From nobody Mon Oct 2 07:05:26 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A112D1344B6; Mon, 2 Oct 2017 07:05:19 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.501 X-Spam-Level: X-Spam-Status: No, score=-14.501 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Qk67JNmML6vE; Mon, 2 Oct 2017 07:05:18 -0700 (PDT) Received: from aer-iport-4.cisco.com (aer-iport-4.cisco.com [173.38.203.54]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 8EF9C134304; Mon, 2 Oct 2017 07:05:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=3166; q=dns/txt; s=iport; t=1506953117; x=1508162717; h=message-id:date:from:mime-version:to:subject:references: in-reply-to:content-transfer-encoding; bh=o7zO6xyKe/LTuAifRThlcgzFw18DXv2KB7qsJL7CtyU=; b=JyurV3f4GjjFrUSv/b7bPyW0UQEDUy+YnsCN4M7ePckz1T1mIAsxwPOm EQqiqKCmYdps33vopnuSLyoSnsMltY/8EXuJVpBfLhjL7kpJH1gnCJElW 1LELfP3fRRGVQi5Ft6aShmBIxFcK8VmjttQtiBrPJcFlaCh4VH0oRe2tt Y=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0BxAQCaRtJZ/xbLJq1bGQEBAQEBAQEBA?= =?us-ascii?q?QEBBwEBAQEBhS+EIIsTkGWYPgqFOwKFAxUBAgEBAQEBAQFrKIUYAQEBAQIBIxU?= =?us-ascii?q?vERELDgQGAgIFFgsCAgkDAgECATcOBgEMCAEBiiQIpQ+CFRKLOAEBAQEBAQEBA?= =?us-ascii?q?QEBAQEBAQEigQ6CH4NTgWqDKIgXgmEFoTKUZYIUhW+DWocslVSBOTUigQ4yIQg?= =?us-ascii?q?dFYVjHIFpPopHAQEB?= X-IronPort-AV: E=Sophos;i="5.42,469,1500940800"; d="scan'208";a="657975668" Received: from aer-iport-nat.cisco.com (HELO aer-core-3.cisco.com) ([173.38.203.22]) by aer-iport-4.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2017 14:05:13 +0000 Received: from [10.147.24.18] ([10.147.24.18]) by aer-core-3.cisco.com (8.14.5/8.14.5) with ESMTP id v92E5CAj032103; Mon, 2 Oct 2017 14:05:13 GMT Message-ID: <59D2479B.8050107@cisco.com> Date: Mon, 02 Oct 2017 16:05:15 +0200 From: Peter Psenak User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Alia Atlas , "bier@ietf.org" , OSPF List , draft-ietf-bier-ospf-bier-extensions@ietf.org References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Archived-At: Subject: Re: [OSPF] early AD review of draft-ietf-bier-ospf-bier-extensions-07 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Oct 2017 14:05:20 -0000 Hi Alia, please see inline: On 27/09/17 00:12 , Alia Atlas wrote: > I have done an early AD review of > draft-ietf-bier-ospf-bier-extensions-07 in preparation for the > publication request. > > First, I would like to thank the many authors for their work on this > draft. Given that there are currently 7 authors listed, I'd recommend > appointing a few editors or otherwise reducing down to 5 or fewer. Of > course, I am also willing to consider extraordinary circumstances where > the shepherd can explain to me privately the deep technical contribution > made by each author. > > I do see a number of major issues. > > Major Issues: > > 1) RFC7684 is just for OSPFv2. How is the information carried for > OSPFv3? We need a mechanism that works for IPv6 also. BIER extension for OSPFv3 will be covered in a separate draft. It will be based on draft-ietf-ospf-ospfv3-lsa-extend draft. This is similar to what we did for SR and other extensions. > > 2) In Sec 2.1, the Length is defined as variable and the figure includes > additional sub-TLVs. Please clarify in the text what other sub-TLVs can > be carried & how the length is calculated (yes, same as always - but > clarity helps with interoperability). will change to "Variable, dependent on sub-TLVs" language as we did in SR draft. > > 3) Sec 2.2 "The size of the label range is determined by the number of Set > Identifiers (SI) (section 1 of [I-D.ietf-bier-architecture]) that > are used in the network. Each SI maps to a single label in the > label range. The first label is for SI=0, the second label is for > SI=1, etc.: > > This implies that there is no way to indicate only a label for SI=1 or a > range for SI=1 to 3. That seems unfortunate and assumes that the BFR-ids > are always allocated from SI=0 up. Is there a reason not to use some > of the reserved bits to indicate the starting SI value? I hope this has been clarified by Andrew and Tony already. > > 4) Sec 2.3: The Tree type is a 1 octet value - that doesn't appear to > have any IANA allocation or meaning clearly indicated - beyond the > parenthetical that 0=SPF. Please fix this. will add description for value 0. Will also add the need for new registry in "IANA Considerations" section. > > 5) Sec 2.5: This section could benefit greatly from a diagram - showing > the advertising router for a prefix, the ABR, and what is then flooded > for the BIER MPLS Sub-TLV for the new areas. can you please clarify what type of diagram do you have in mind? I tend to agree with Andrew that we have similar section in many other documents and we've never included any diagram really. Anyway, I don't have a problem adding it if it helps. > > Minor: > > 4) Sec 2.3: "Label Range Base: A 3 octet field, where the 20 rightmost > bits represent the first label in the label range." What about the top > 4 bits? Are they Must Be Zero (MBZ)? How about making that explicit? > Are they potential future flags?/ top for bits are ignored. I'll spell that out explicitly. thanks, Peter > > Thanks, > Alia From nobody Mon Oct 2 07:41:32 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E0DB71344DB; Mon, 2 Oct 2017 07:41:24 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.698 X-Spam-Level: X-Spam-Status: No, score=-2.698 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id XbS4vmBGdVPc; Mon, 2 Oct 2017 07:41:22 -0700 (PDT) Received: from mail-wm0-x235.google.com (mail-wm0-x235.google.com [IPv6:2a00:1450:400c:c09::235]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9F3371344B6; Mon, 2 Oct 2017 07:41:22 -0700 (PDT) Received: by mail-wm0-x235.google.com with SMTP id e195so7329849wma.5; Mon, 02 Oct 2017 07:41:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=yeOQVztfMMa5/lyM2liUSUYWfe6qea9HzfM+PF+trac=; b=a0NLPuNX4f/HYJZPRbu82cM/OEvGvcBBnUcLHX45aZ+WBJWV8p6LKhNYpF7QPx+Hdt JYKCleS9lIY7arQi5LHKY6HvsB52lOVkxihteaOk4L+TLFVwJrOURfPlbWRpcHVp8LxZ NGSoZPDQs003p5UmSOEyjk7Ub5A3kFWPlgi7wcdYtAIJPIsp0uDXflKDjA9rcAcpKPzJ aY2R4n/hKLdHm7dVtRp/1LF91bLKlxtwPMC72HqeR+FLg+SqCmADyFa6/aQLRrcbc2rV t7hhEOhna1eOW+ApFRc7+KgKIr2oFU7j1UekX8RADFtDWjFKtaygTnVUnnSpO7gPtBF9 kFJw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=yeOQVztfMMa5/lyM2liUSUYWfe6qea9HzfM+PF+trac=; b=YQxxv8py+H7d0gjMmT2qxibGAJqAllxhCfXOvH0IWJsr+q0BDxCnci5Cy72iGfAbzw 1UmSq+cUNRv3Je1QrRzIzBbvHh8uvTxiG+aYv+93X8FLmAkl5enWoLXHxg7XNg8L+xrP sxqzlkpfJWGcrxTmqgrG1WcXkCP5qPJtWT8A38jFJAQN+Bcp9jh06JeW7EzzY9tJ3N6L 0xdwX5uUG06osvvvCwflcEXsSXtCtuW5UcSRRaXbp9IEQoLz4dI8jRwKn39b3Day/2UU q4LM78bokRa+ROp340Id+vS5nG0U2leb8Q/9MJ4ll0sfIffTdaulZklsitbAOgLiVNCe y5dQ== X-Gm-Message-State: AMCzsaVc2oM3zWGW2wXfSzn+qPoCv9PPDSzVwZ5MVNizGkHo5sse/SV4 0KKaRRDpM9XtOl9DscFjwDMi6CO0zrd703ktusc= X-Google-Smtp-Source: AOwi7QCfpXRczCXwa8DBMt9OcKMFGKKYaKn9zCmokNlASXBWTztnFUsNnbUMIsdXZcVaYCwTaPFlOnJj+0/vYebL6yY= X-Received: by 10.28.228.213 with SMTP id b204mr10434993wmh.157.1506955280781; Mon, 02 Oct 2017 07:41:20 -0700 (PDT) MIME-Version: 1.0 Received: by 10.223.193.68 with HTTP; Mon, 2 Oct 2017 07:41:20 -0700 (PDT) In-Reply-To: <59D2479B.8050107@cisco.com> References: <59D2479B.8050107@cisco.com> From: Alia Atlas Date: Mon, 2 Oct 2017 10:41:20 -0400 Message-ID: To: Peter Psenak Cc: "bier@ietf.org" , OSPF List , draft-ietf-bier-ospf-bier-extensions@ietf.org Content-Type: multipart/alternative; boundary="001a114b0be234181a055a915ec5" Archived-At: Subject: Re: [OSPF] early AD review of draft-ietf-bier-ospf-bier-extensions-07 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Oct 2017 14:41:25 -0000 --001a114b0be234181a055a915ec5 Content-Type: text/plain; charset="UTF-8" Hi Peter, On Mon, Oct 2, 2017 at 10:05 AM, Peter Psenak wrote: > Hi Alia, > > please see inline: > > > On 27/09/17 00:12 , Alia Atlas wrote: > >> I have done an early AD review of >> draft-ietf-bier-ospf-bier-extensions-07 in preparation for the >> publication request. >> >> First, I would like to thank the many authors for their work on this >> draft. Given that there are currently 7 authors listed, I'd recommend >> appointing a few editors or otherwise reducing down to 5 or fewer. Of >> course, I am also willing to consider extraordinary circumstances where >> the shepherd can explain to me privately the deep technical contribution >> made by each author. >> >> I do see a number of major issues. >> >> Major Issues: >> >> 1) RFC7684 is just for OSPFv2. How is the information carried for >> OSPFv3? We need a mechanism that works for IPv6 also. >> > > BIER extension for OSPFv3 will be covered in a separate draft. It will be > based on draft-ietf-ospf-ospfv3-lsa-extend draft. This is similar to what > we did for SR and other extensions. I understand that theory - but I think it is getting less tractable. How far along is that draft? I'll need to at least reference it and discuss the IPv6 support in the write-up. Once draft-ietf-ospfv3-lsa-extend is published as an RFC, I would really expect this to stop happening. I don't know if you noticed that draft-ietf-sunset4-ipv6-ietf-01 ("IETF: End Work on IPv4") is in IETF Last Call. Of course, it has lots of caveats and is getting a number of concerned comments - but the trend is obvious as is the deployment of IPv6 and the need for feature parity. > 2) In Sec 2.1, the Length is defined as variable and the figure includes >> additional sub-TLVs. Please clarify in the text what other sub-TLVs can >> be carried & how the length is calculated (yes, same as always - but >> clarity helps with interoperability). >> > > will change to "Variable, dependent on sub-TLVs" language as we did in SR > draft. Sounds good - Variable, 4 + length of sub-TLVs I think. I.e., be clear on the length contributed by this TLV as well as the included sub-TLVs. > 3) Sec 2.2 "The size of the label range is determined by the number of Set >> Identifiers (SI) (section 1 of [I-D.ietf-bier-architecture]) that >> are used in the network. Each SI maps to a single label in the >> label range. The first label is for SI=0, the second label is for >> SI=1, etc.: >> >> This implies that there is no way to indicate only a label for SI=1 or a >> range for SI=1 to 3. That seems unfortunate and assumes that the BFR-ids >> are always allocated from SI=0 up. Is there a reason not to use some >> of the reserved bits to indicate the starting SI value? >> > > I hope this has been clarified by Andrew and Tony already. Sure - I'm fine with what the WG wants here - and labels aren't too limited. My concern was about efficiency and future flexibility. > >> 4) Sec 2.3: The Tree type is a 1 octet value - that doesn't appear to >> have any IANA allocation or meaning clearly indicated - beyond the >> parenthetical that 0=SPF. Please fix this. >> > > will add description for value 0. Will also add the need for new registry > in "IANA Considerations" section. Cool - unless there's a reason, could it be a BIER-related registry that both the IS-IS work and OSPF work can refer to? > >> 5) Sec 2.5: This section could benefit greatly from a diagram - showing >> the advertising router for a prefix, the ABR, and what is then flooded >> for the BIER MPLS Sub-TLV for the new areas. >> > > can you please clarify what type of diagram do you have in mind? > A fairly simple one :-) where there are 3 areas - with the middle being the backbone. Have a BFER in each area. Describe what is advertised by each BFER and then by the ABR. > I tend to agree with Andrew that we have similar section in many other > documents and we've never included any diagram really. Anyway, I don't have > a problem adding it if it helps. Frankly, the language/phrasing was such that I had to stop and think about it for 5 minutes or so to be confident that I understood and agreed with what was there. That's generally my sign that added clarity could be useful - but it could just be me or a bad day. > >> Minor: >> >> 4) Sec 2.3: "Label Range Base: A 3 octet field, where the 20 rightmost >> bits represent the first label in the label range." What about the top >> 4 bits? Are they Must Be Zero (MBZ)? How about making that explicit? >> Are they potential future flags?/ >> > > top for bits are ignored. I'll spell that out explicitly. > Sounds good. I look forward to getting these from the WG. If I can put them into IETF Last Call by the end of the week, then we can have them on the Oct 26 telechat and hopefully approved before IETF 100. Regards, Alia > thanks, > Peter > > >> Thanks, >> Alia >> > > --001a114b0be234181a055a915ec5 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Peter,

On Mon, Oct 2, 2017 at 10:05 AM, Peter Psenak <ppsenak@cisco.= com> wrote:
Hi Alia,

please see inline:


On 27/09/17 00:12 , Alia Atlas wrote:
I have done an early AD review of
draft-ietf-bier-ospf-bier-extensions-07 in preparation for the
publication request.

First, I would like to thank the many authors for their work on this
draft. Given that there are currently 7 authors listed, I'd recommend appointing a few editors or otherwise reducing down to 5 or fewer. Of
course, I am also willing to consider extraordinary circumstances where
the shepherd can explain to me privately the deep technical contribution made by each author.

I do see a number of major issues.

Major Issues:

1)=C2=A0 RFC7684 is just for OSPFv2.=C2=A0 How is the information carried f= or
OSPFv3? We need a mechanism that works for IPv6 also.

 BIER extension for OSPFv3 will be covered in a separate draft. It will be b= ased on draft-ietf-ospf-ospfv3-lsa-extend draft. This is similar to wh= at we did for SR and other extensions.

I un= derstand that theory - but I think it is getting less tractable.=C2=A0 How = far along is that draft? I'll need to at least
reference it a= nd discuss the IPv6 support in the write-up.=C2=A0 Once draft-ietf-ospfv3-l= sa-extend is published as an RFC, I would really expect this to stop happen= ing.

I don't know if you noticed that=C2=A0dra= ft-ietf-sunset4-ipv6-ietf-01 ("IETF: End Work on IPv4") is in IET= F Last Call.
Of course, it has lots of caveats and is getting a n= umber of concerned comments - but the trend is obvious
as is the = deployment of IPv6 and the need for feature parity.
=C2=A0
2) In Sec 2.1, the Length is defined as variable and the figure includes additional sub-TLVs. Please clarify in the text what other sub-TLVs can
be carried & how the length is calculated (yes, same as always - but clarity helps with interoperability).

 will change to "Variable, dependent on sub-TLVs" language as we d= id in SR draft.

Sounds good - Variable, 4 += length of sub-TLVs=C2=A0 I think.=C2=A0 I.e., be clear on the length
=
contributed by this TLV as well as the included sub-TLVs.
= =C2=A0
3) Sec 2.2 "The size= of the label range is determined by the number of Set
=C2=A0 =C2=A0 =C2=A0 =C2=A0Identifiers (SI) (section 1 of [I-D.ietf-bier-ar= chitecture]) that
=C2=A0 =C2=A0 =C2=A0 =C2=A0are used in the network.=C2=A0 Each SI maps to a= single label in the
=C2=A0 =C2=A0 =C2=A0 =C2=A0label range.=C2=A0 The first label is for SI=3D0= , the second label is for
=C2=A0 =C2=A0 =C2=A0 =C2=A0SI=3D1, etc.:

This implies that there is no way to indicate only a label for SI=3D1 or a<= br> range for SI=3D1 to 3. That seems unfortunate and assumes that the BFR-ids<= br> are always allocated from SI=3D0 up.=C2=A0 =C2=A0Is there a reason not to u= se some
of the reserved bits to indicate the starting SI value?

 I hope this has been clarified by Andrew and Tony already.

Sure - I'm fine with what the WG wants here - and label= s aren't too limited. My concern
was about efficiency and fut= ure flexibility.
=C2=A0

4) Sec 2.3: The Tree type is a 1 octet value - that doesn't appear to have any IANA allocation or meaning clearly indicated - beyond the
parenthetical that 0=3DSPF.=C2=A0 Please fix this.

 will add description for value 0. Will also add the need for new registry i= n "IANA Considerations" section.

= Cool - unless there's a reason, could it be a BIER-related registry tha= t both the IS-IS work and OSPF work
can refer to?=C2=A0
=C2=A0

5) Sec 2.5: This section could benefit greatly from a diagram - showing
the advertising router for a prefix, the ABR, and what is then flooded
for the BIER MPLS Sub-TLV for the new areas.

 can you please clarify what type of diagram do you have in mind?

A fairly simple one :-) where there are 3 areas -= with the middle being the backbone.
Have a BFER in each area.=C2= =A0 Describe what is advertised by each BFER and then by
the ABR.=
=C2=A0=C2=A0
I tend to agree with Andrew that we have similar section in many other docu= ments and we've never included any diagram really. Anyway, I don't = have a problem adding it if it helps.

Frank= ly, the language/phrasing was such that I had to stop and think about it fo= r 5 minutes or so to be
confident that I understood and agreed wi= th what was there.=C2=A0 That's generally my sign that added clarity
could be useful - but it could just be me or a bad day.=C2=A0
=

=C2=A0

Minor:

4) Sec 2.3: "Label Range Base: A 3 octet field, where the 20 rightmost=
bits represent the first label in the label range."=C2=A0 What about t= he top
4 bits?=C2=A0 Are they Must Be Zero (MBZ)?=C2=A0 How about making that expl= icit?
Are they potential future flags?/

 top for bits are ignored. I'll spell that out explicitly.

Sounds good.

I look forward= to getting these from the WG.=C2=A0 If I can put them into IETF Last Call = by the end of the
week, then we can have them on the Oct 26 telec= hat and hopefully approved before IETF 100.

Regard= s,
Alia=C2=A0
=C2=A0
thanks,
Peter


Thanks,
Alia


--001a114b0be234181a055a915ec5-- From nobody Mon Oct 2 08:07:48 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8A5B1132076; Mon, 2 Oct 2017 08:07:45 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.5 X-Spam-Level: X-Spam-Status: No, score=-14.5 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VNBVZDAfClwx; Mon, 2 Oct 2017 08:07:43 -0700 (PDT) Received: from aer-iport-1.cisco.com (aer-iport-1.cisco.com [173.38.203.51]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id F3B281345C1; Mon, 2 Oct 2017 08:07:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=6649; q=dns/txt; s=iport; t=1506956858; x=1508166458; h=message-id:date:from:mime-version:to:cc:subject: references:in-reply-to:content-transfer-encoding; bh=9ANN4PSt07Q1HdqBa/kQq+IitY9cnohxfDm656Uv5fw=; b=K8Ws2Cgm6BdB37G6qlsdFroFKepawoWig5oUqcxzDkU7v6evXs4uhsEW 5HZbJicO4qgKq4jH8f28F+Da4QOdYeQzcZ6386HIbCvbU6iM/yfOzbCO0 +w2O8C3Kzc5LmL/4SF9N6LgddEyFMBklqY/su5dIAq3KGyxnEcZSnmxlL s=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0COAAAFVdJZ/xbLJq1bGQEBAQEBAQEBA?= =?us-ascii?q?QEBBwEBAQEBgzCBfyeDeYofdJBlliyCEgqFOwKFABgBAgEBAQEBAQFrKIUYAQE?= =?us-ascii?q?BAQIBIxUvEQEQCw4EBgICBRYIAwICCQMCAQIBNAMOBg0BBQIBAYokCKVAghUSi?= =?us-ascii?q?y0BAQEBAQEBAQEBAQEBAQEBAQEBH4EOgh+DU4FpAYMohF2DOoJhBZhYiFqUZYI?= =?us-ascii?q?UhW+DWocslVSBOR84gQ4yIQgdFYVjHIFpPjaHToJDAQEB?= X-IronPort-AV: E=Sophos;i="5.42,469,1500940800"; d="scan'208";a="697702993" Received: from aer-iport-nat.cisco.com (HELO aer-core-4.cisco.com) ([173.38.203.22]) by aer-iport-1.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2017 15:07:33 +0000 Received: from [10.147.24.18] ([10.147.24.18]) by aer-core-4.cisco.com (8.14.5/8.14.5) with ESMTP id v92F7WJB025742; Mon, 2 Oct 2017 15:07:33 GMT Message-ID: <59D25637.7010409@cisco.com> Date: Mon, 02 Oct 2017 17:07:35 +0200 From: Peter Psenak User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Alia Atlas CC: "bier@ietf.org" , OSPF List , draft-ietf-bier-ospf-bier-extensions@ietf.org References: <59D2479B.8050107@cisco.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Archived-At: Subject: Re: [OSPF] early AD review of draft-ietf-bier-ospf-bier-extensions-07 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Oct 2017 15:07:46 -0000 Hi Alia, please see inline: On 02/10/17 16:41 , Alia Atlas wrote: > Hi Peter, > > On Mon, Oct 2, 2017 at 10:05 AM, Peter Psenak > wrote: > > Hi Alia, > > please see inline: > > > On 27/09/17 00:12 , Alia Atlas wrote: > > I have done an early AD review of > draft-ietf-bier-ospf-bier-extensions-07 in preparation for the > publication request. > > First, I would like to thank the many authors for their work on this > draft. Given that there are currently 7 authors listed, I'd > recommend > appointing a few editors or otherwise reducing down to 5 or > fewer. Of > course, I am also willing to consider extraordinary > circumstances where > the shepherd can explain to me privately the deep technical > contribution > made by each author. > > I do see a number of major issues. > > Major Issues: > > 1) RFC7684 is just for OSPFv2. How is the information carried for > OSPFv3? We need a mechanism that works for IPv6 also. > > > BIER extension for OSPFv3 will be covered in a separate draft. It > will be based on draft-ietf-ospf-ospfv3-lsa-extend draft. This is > similar to what we did for SR and other extensions. > > > I understand that theory - but I think it is getting less tractable. > How far along is that draft? I'll need to at least > reference it and discuss the IPv6 support in the write-up. Once > draft-ietf-ospfv3-lsa-extend is published as an RFC, I would really > expect this to stop happening. given that the encoding of the OSPFv3 is way different to OSPFv2 and the fact that the draft-ietf-ospfv3-lsa-extend is still a work in progress I would tend to keep the v2 and v3 extensions separate. When you say "discuss the IPv6 support in the write-up" do you mean to mention it in draft-ietf-bier-ospf-bier-extensions? If yes, why? This documents only specifies OSPFv2 extension. > > I don't know if you noticed that draft-ietf-sunset4-ipv6-ietf-01 ("IETF: > End Work on IPv4") is in IETF Last Call. > Of course, it has lots of caveats and is getting a number of concerned > comments - but the trend is obvious > as is the deployment of IPv6 and the need for feature parity. not that I disagree, but let's not get into that discussion here :) > > 2) In Sec 2.1, the Length is defined as variable and the figure > includes > additional sub-TLVs. Please clarify in the text what other > sub-TLVs can > be carried & how the length is calculated (yes, same as always - but > clarity helps with interoperability). > > > will change to "Variable, dependent on sub-TLVs" language as we did > in SR draft. > > > Sounds good - Variable, 4 + length of sub-TLVs I think. I.e., be clear > on the length > contributed by this TLV as well as the included sub-TLVs. not that I care too much, but I would like to keep the language same between documents. Unless you insist otherwise, keeping the "Variable, dependent on sub-TLVs" would make it consistent with other docs. > > 3) Sec 2.2 "The size of the label range is determined by the > number of Set > Identifiers (SI) (section 1 of > [I-D.ietf-bier-architecture]) that > are used in the network. Each SI maps to a single label > in the > label range. The first label is for SI=0, the second > label is for > SI=1, etc.: > > This implies that there is no way to indicate only a label for > SI=1 or a > range for SI=1 to 3. That seems unfortunate and assumes that the > BFR-ids > are always allocated from SI=0 up. Is there a reason not to > use some > of the reserved bits to indicate the starting SI value? > > > I hope this has been clarified by Andrew and Tony already. > > > Sure - I'm fine with what the WG wants here - and labels aren't too > limited. My concern > was about efficiency and future flexibility. > > > 4) Sec 2.3: The Tree type is a 1 octet value - that doesn't > appear to > have any IANA allocation or meaning clearly indicated - beyond the > parenthetical that 0=SPF. Please fix this. > > > will add description for value 0. Will also add the need for new > registry in "IANA Considerations" section. > > > Cool - unless there's a reason, could it be a BIER-related registry that > both the IS-IS work and OSPF work > can refer to? right, that make sense. In such case, it should be defined outside of IGP BIER drafts, shouldn't it? > > > 5) Sec 2.5: This section could benefit greatly from a diagram - > showing > the advertising router for a prefix, the ABR, and what is then > flooded > for the BIER MPLS Sub-TLV for the new areas. > > > can you please clarify what type of diagram do you have in mind? > > > A fairly simple one :-) where there are 3 areas - with the middle being > the backbone. > Have a BFER in each area. Describe what is advertised by each BFER and > then by > the ABR. > > I tend to agree with Andrew that we have similar section in many > other documents and we've never included any diagram really. Anyway, > I don't have a problem adding it if it helps. > > > Frankly, the language/phrasing was such that I had to stop and think > about it for 5 minutes or so to be > confident that I understood and agreed with what was there. That's > generally my sign that added clarity > could be useful - but it could just be me or a bad day. let me try. thanks, Peter > > > Minor: > > 4) Sec 2.3: "Label Range Base: A 3 octet field, where the 20 > rightmost > bits represent the first label in the label range." What about > the top > 4 bits? Are they Must Be Zero (MBZ)? How about making that > explicit? > Are they potential future flags?/ > > > top for bits are ignored. I'll spell that out explicitly. > > > Sounds good. > > I look forward to getting these from the WG. If I can put them into > IETF Last Call by the end of the > week, then we can have them on the Oct 26 telechat and hopefully > approved before IETF 100. > > Regards, > Alia > > thanks, > Peter > > > Thanks, > Alia > > > From nobody Mon Oct 2 08:34:04 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8FB82134691; Mon, 2 Oct 2017 08:34:03 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.698 X-Spam-Level: X-Spam-Status: No, score=-2.698 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id johG63_CwPI4; Mon, 2 Oct 2017 08:34:00 -0700 (PDT) Received: from mail-wm0-x233.google.com (mail-wm0-x233.google.com [IPv6:2a00:1450:400c:c09::233]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6ADFF124F57; Mon, 2 Oct 2017 08:34:00 -0700 (PDT) Received: by mail-wm0-x233.google.com with SMTP id i82so9218543wmd.3; Mon, 02 Oct 2017 08:34:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=mWLHsoz9uCOP6LqgW7mOan1eQEWduzrnb2NTJSgCYKs=; b=j2HVVt6d3p2HntU/+3i5AcI7VKOKkeR1umJZJAUXLnT9aLWgEoMkQ6iiOnEb92mjez n70MN/CGqSiK/B4Y3Fgj7V422bg9g4vVE/lhAedaos4EUdGPf02ymOZnEnPrlRM3kyH7 vfCA2po2KGSFpdcaIjDZ5eiL/IPsvbJiqmWQgLdTb6IOztnjQhi8xSLnrza9cNXXuRUU SiMSKDG/u4bswpi6pqhQaM+YqfXKTKTT5jrdXsuQ0wfKSvjUPOs7J3fr8D5wWjEPx2s8 5WiZxmyo9HfVPAckNlk2oUbHt9UuXA/OMkvRSHnh0k+z3VRLF8Qsxyxf2AdvjwLi/iFy PJoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=mWLHsoz9uCOP6LqgW7mOan1eQEWduzrnb2NTJSgCYKs=; b=gG5cC+XFgjs9Aaog6QifF7WOsL7uL+RxKJcnFZ8RSrK6uCHDusC81ck+cuGJZPJQWd vb3qydKY3R8D2LoCfoTh+8MjsmUpOQfhSYG04f+z7SDEf23Y1bR2LM0L1Yi0uEJXofDX tPhtVdSypteQXxymUWSBoOfn2NUOFRnJofrOh6886Q63A4WPBY2Jg33eszSPaLF/fMB3 8lGtFc1UojOB3VFrvdb3YQOHcTqmGriehh+mcznmh7mj9CA710bcXCk/3okZ1BsP8uhA umlMyDcPJGOkCt5DzvZ+4Y1LFIGhKdtKD2AtFuXCJSS0A1rGIIQWQuebET1gmCOJRNi+ YDMg== X-Gm-Message-State: AMCzsaXskEyXCD5Gp4EgP3Oz7QptGFOsOBPTuF61aW4PlXEcL23iNzRp RcEWCY12KSHHrRIaBvpmcy9hAYQxrwtHPAw0m/0= X-Google-Smtp-Source: AOwi7QCD24Rhr5j7jB4CVN8sMM6eI3Hk2FWCKLnrIUG+Ny5RZcM7sZqgDayo2F3ZKlWHuyZycNFezyiXssZt1o9sgLg= X-Received: by 10.28.232.75 with SMTP id f72mr8710486wmh.90.1506958438630; Mon, 02 Oct 2017 08:33:58 -0700 (PDT) MIME-Version: 1.0 Received: by 10.223.193.68 with HTTP; Mon, 2 Oct 2017 08:33:58 -0700 (PDT) In-Reply-To: <59D25637.7010409@cisco.com> References: <59D2479B.8050107@cisco.com> <59D25637.7010409@cisco.com> From: Alia Atlas Date: Mon, 2 Oct 2017 11:33:58 -0400 Message-ID: To: Peter Psenak Cc: "bier@ietf.org" , OSPF List , draft-ietf-bier-ospf-bier-extensions@ietf.org Content-Type: multipart/alternative; boundary="001a1147578a6d1376055a921a6a" Archived-At: Subject: Re: [OSPF] early AD review of draft-ietf-bier-ospf-bier-extensions-07 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Oct 2017 15:34:04 -0000 --001a1147578a6d1376055a921a6a Content-Type: text/plain; charset="UTF-8" On Mon, Oct 2, 2017 at 11:07 AM, Peter Psenak wrote: > Hi Alia, > > please see inline: > > On 02/10/17 16:41 , Alia Atlas wrote: > >> Hi Peter, >> >> On Mon, Oct 2, 2017 at 10:05 AM, Peter Psenak > > wrote: >> >> Hi Alia, >> >> please see inline: >> >> >> On 27/09/17 00:12 , Alia Atlas wrote: >> >> I have done an early AD review of >> draft-ietf-bier-ospf-bier-extensions-07 in preparation for the >> publication request. >> >> First, I would like to thank the many authors for their work on >> this >> draft. Given that there are currently 7 authors listed, I'd >> recommend >> appointing a few editors or otherwise reducing down to 5 or >> fewer. Of >> course, I am also willing to consider extraordinary >> circumstances where >> the shepherd can explain to me privately the deep technical >> contribution >> made by each author. >> >> I do see a number of major issues. >> >> Major Issues: >> >> 1) RFC7684 is just for OSPFv2. How is the information carried >> for >> OSPFv3? We need a mechanism that works for IPv6 also. >> >> >> BIER extension for OSPFv3 will be covered in a separate draft. It >> will be based on draft-ietf-ospf-ospfv3-lsa-extend draft. This is >> similar to what we did for SR and other extensions. >> >> >> I understand that theory - but I think it is getting less tractable. >> How far along is that draft? I'll need to at least >> reference it and discuss the IPv6 support in the write-up. Once >> draft-ietf-ospfv3-lsa-extend is published as an RFC, I would really >> expect this to stop happening. >> > > given that the encoding of the OSPFv3 is way different to OSPFv2 and the > fact that the draft-ietf-ospfv3-lsa-extend is still a work in progress I > would tend to keep the v2 and v3 extensions separate. > Given the second, that's ok - but usually the difference in encoding isn't enough to require a different draft. Please do talk to Acee about this. He's collecting OSPFv3 LSA extensions to add to a separate draft when draft-ietf-osfpv3-lsa-extend progresses - and that draft is just waiting on the implementations (and there are finally 2 of them) so I expect it to move along soon. > When you say "discuss the IPv6 support in the write-up" do you mean to > mention it in draft-ietf-bier-ospf-bier-extensions? If yes, why? This > documents only specifies OSPFv2 extension. No - I mean in the shepherd's write-up - though an informative reference to an OSPFv3 draft or a common one would help. At the moment, there's NOTHING about IPv6 and that's going to make it harder to get IESG agreement on. > >> I don't know if you noticed that draft-ietf-sunset4-ipv6-ietf-01 ("IETF: >> End Work on IPv4") is in IETF Last Call. >> Of course, it has lots of caveats and is getting a number of concerned >> comments - but the trend is obvious >> as is the deployment of IPv6 and the need for feature parity. >> > > not that I disagree, but let's not get into that discussion here :) Just calling your attention to the current atmosphere :-) > 2) In Sec 2.1, the Length is defined as variable and the figure >> includes >> additional sub-TLVs. Please clarify in the text what other >> sub-TLVs can >> be carried & how the length is calculated (yes, same as always - >> but >> clarity helps with interoperability). >> >> >> will change to "Variable, dependent on sub-TLVs" language as we did >> in SR draft. >> >> >> Sounds good - Variable, 4 + length of sub-TLVs I think. I.e., be clear >> on the length >> contributed by this TLV as well as the included sub-TLVs. >> > > not that I care too much, but I would like to keep the language same > between documents. Unless you insist otherwise, keeping the "Variable, > dependent on sub-TLVs" would make it consistent with other docs. Well, I don't deeply care either (beyond bike-shed painting) - but there is content to the TLV so it has length to be included in the calculation. > 3) Sec 2.2 "The size of the label range is determined by the >> number of Set >> Identifiers (SI) (section 1 of >> [I-D.ietf-bier-architecture]) that >> are used in the network. Each SI maps to a single label >> in the >> label range. The first label is for SI=0, the second >> label is for >> SI=1, etc.: >> >> This implies that there is no way to indicate only a label for >> SI=1 or a >> range for SI=1 to 3. That seems unfortunate and assumes that the >> BFR-ids >> are always allocated from SI=0 up. Is there a reason not to >> use some >> of the reserved bits to indicate the starting SI value? >> >> >> I hope this has been clarified by Andrew and Tony already. >> >> >> Sure - I'm fine with what the WG wants here - and labels aren't too >> limited. My concern >> was about efficiency and future flexibility. >> >> >> 4) Sec 2.3: The Tree type is a 1 octet value - that doesn't >> appear to >> have any IANA allocation or meaning clearly indicated - beyond the >> parenthetical that 0=SPF. Please fix this. >> >> >> will add description for value 0. Will also add the need for new >> registry in "IANA Considerations" section. >> >> >> Cool - unless there's a reason, could it be a BIER-related registry that >> both the IS-IS work and OSPF work >> can refer to? >> > > right, that make sense. In such case, it should be defined outside of IGP > BIER drafts, shouldn't it? It's ok to have it here. This is a BIER WG draft and it isn't needed until this or the ISIS one. Either can work. It could be in the mpls-encap draft, but that's ready for IETF Last Call and it isn't used there - so it would need more explanation. > 5) Sec 2.5: This section could benefit greatly from a diagram - >> showing >> the advertising router for a prefix, the ABR, and what is then >> flooded >> for the BIER MPLS Sub-TLV for the new areas. >> >> >> can you please clarify what type of diagram do you have in mind? >> >> >> A fairly simple one :-) where there are 3 areas - with the middle being >> the backbone. >> Have a BFER in each area. Describe what is advertised by each BFER and >> then by >> the ABR. >> >> I tend to agree with Andrew that we have similar section in many >> other documents and we've never included any diagram really. Anyway, >> I don't have a problem adding it if it helps. >> >> >> Frankly, the language/phrasing was such that I had to stop and think >> about it for 5 minutes or so to be >> confident that I understood and agreed with what was there. That's >> generally my sign that added clarity >> could be useful - but it could just be me or a bad day. >> > > let me try. > Thanks, Alia > thanks, > Peter > > > > >> >> Minor: >> >> 4) Sec 2.3: "Label Range Base: A 3 octet field, where the 20 >> rightmost >> bits represent the first label in the label range." What about >> the top >> 4 bits? Are they Must Be Zero (MBZ)? How about making that >> explicit? >> Are they potential future flags?/ >> >> >> top for bits are ignored. I'll spell that out explicitly. >> >> >> Sounds good. >> >> I look forward to getting these from the WG. If I can put them into >> IETF Last Call by the end of the >> week, then we can have them on the Oct 26 telechat and hopefully >> approved before IETF 100. >> >> Regards, >> Alia >> >> thanks, >> Peter >> >> >> Thanks, >> Alia >> >> >> >> > --001a1147578a6d1376055a921a6a Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
On M= on, Oct 2, 2017 at 11:07 AM, Peter Psenak <ppsenak@cisco.com> wrote:
Hi Alia,

please see inline:

 On 02/10/17 16:41 , Alia Atlas wrote:
Hi Peter,

On Mon, Oct 2, 2017 at 10:05 AM, Peter Psenak <ppsenak@cisco.com
<mailto:ppsenak@c= isco.com>> wrote:

=C2=A0 =C2=A0 Hi Alia,

=C2=A0 =C2=A0 please see inline:


=C2=A0 =C2=A0 On 27/09/17 00:12 , Alia Atlas wrote:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 I have done an early AD review of
=C2=A0 =C2=A0 =C2=A0 =C2=A0 draft-ietf-bier-ospf-bier-extensions-07 in= preparation for the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 publication request.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 First, I would like to thank the many authors f= or their work on this
=C2=A0 =C2=A0 =C2=A0 =C2=A0 draft. Given that there are currently 7 authors= listed, I'd
=C2=A0 =C2=A0 =C2=A0 =C2=A0 recommend
=C2=A0 =C2=A0 =C2=A0 =C2=A0 appointing a few editors or otherwise reducing = down to 5 or
=C2=A0 =C2=A0 =C2=A0 =C2=A0 fewer. Of
=C2=A0 =C2=A0 =C2=A0 =C2=A0 course, I am also willing to consider extraordi= nary
=C2=A0 =C2=A0 =C2=A0 =C2=A0 circumstances where
=C2=A0 =C2=A0 =C2=A0 =C2=A0 the shepherd can explain to me privately the de= ep technical
=C2=A0 =C2=A0 =C2=A0 =C2=A0 contribution
=C2=A0 =C2=A0 =C2=A0 =C2=A0 made by each author.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 I do see a number of major issues.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 Major Issues:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 1)=C2=A0 RFC7684 is just for OSPFv2.=C2=A0 How = is the information carried for
=C2=A0 =C2=A0 =C2=A0 =C2=A0 OSPFv3? We need a mechanism that works for IPv6= also.


=C2=A0 =C2=A0 BIER extension for OSPFv3 will be covered in a separate draft= . It
=C2=A0 =C2=A0 will be based on draft-ietf-ospf-ospfv3-lsa-extend draft= . This is
=C2=A0 =C2=A0 similar to what we did for SR and other extensions.


I understand that theory - but I think it is getting less tractable.
How far along is that draft? I'll need to at least
reference it and discuss the IPv6 support in the write-up.=C2=A0 Once
draft-ietf-ospfv3-lsa-extend is published as an RFC, I would really
expect this to stop happening.

given that the encoding of the OSPFv3 is way different to OSPFv2 and the fa= ct that the draft-ietf-ospfv3-lsa-extend is still a work in progress I woul= d tend to keep the v2 and v3 extensions separate.

=
Given the second, that's ok - but usually the difference in = encoding isn't enough to require a different draft.
Please do= talk to Acee about this. He's collecting OSPFv3 LSA extensions to add = to a separate draft when
draft-ietf-osfpv3-lsa-extend progresses = - and that draft is just waiting on the implementations (and there are
finally 2 of them) so I expect it to move along soon.=C2=A0
=
=C2=A0
When you say "discuss the IPv6 support in the write-up" do you me= an to mention it in draft-ietf-bier-ospf-bier-extensions? If yes, why?= This documents only specifies OSPFv2 extension.

No - I mean in the shepherd's write-up - though an informative re= ference to an OSPFv3 draft or a common one would help.=C2=A0 At the moment,= there's NOTHING about IPv6 and that's going to make it harder to g= et IESG agreement on.=C2=A0
=C2=A0

I don't know if you noticed that draft-ietf-sunset4-ipv6-ietf-01 (= "IETF:
End Work on IPv4") is in IETF Last Call.
Of course, it has lots of caveats and is getting a number of concerned
comments - but the trend is obvious
as is the deployment of IPv6 and the need for feature parity.

 not that I disagree, but let's not get into that discussion here :)

Just calling your attention to the current atm= osphere :-)=C2=A0
=C2=A0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 2) In Sec 2.1, the Length is defined as variabl= e and the figure
=C2=A0 =C2=A0 =C2=A0 =C2=A0 includes
=C2=A0 =C2=A0 =C2=A0 =C2=A0 additional sub-TLVs. Please clarify in the text= what other
=C2=A0 =C2=A0 =C2=A0 =C2=A0 sub-TLVs can
=C2=A0 =C2=A0 =C2=A0 =C2=A0 be carried & how the length is calculated (= yes, same as always - but
=C2=A0 =C2=A0 =C2=A0 =C2=A0 clarity helps with interoperability).


=C2=A0 =C2=A0 will change to "Variable, dependent on sub-TLVs" la= nguage as we did
=C2=A0 =C2=A0 in SR draft.


Sounds good - Variable, 4 + length of sub-TLVs=C2=A0 I think.=C2=A0 I.e., b= e clear
on the length
contributed by this TLV as well as the included sub-TLVs.

not that I care too much, but I would like to keep the language same betwee= n documents. Unless you insist otherwise, keeping the "Variable, depen= dent on sub-TLVs" would make it consistent with other docs.

Well, I don't deeply care either (beyond bike-she= d painting) - but there is content to the TLV so it has length to be includ= ed in the calculation.
=C2=A0
=C2=A0 =C2=A0 =C2=A0= =C2=A0 3) Sec 2.2 "The size of the label range is determined by the =C2=A0 =C2=A0 =C2=A0 =C2=A0 number of Set
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Identifiers (SI) (s= ection 1 of
=C2=A0 =C2=A0 =C2=A0 =C2=A0 [I-D.ietf-bier-architecture]) that
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 are used in the net= work.=C2=A0 Each SI maps to a single label
=C2=A0 =C2=A0 =C2=A0 =C2=A0 in the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 label range.=C2=A0 = The first label is for SI=3D0, the second
=C2=A0 =C2=A0 =C2=A0 =C2=A0 label is for
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 SI=3D1, etc.:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 This implies that there is no way to indicate o= nly a label for
=C2=A0 =C2=A0 =C2=A0 =C2=A0 SI=3D1 or a
=C2=A0 =C2=A0 =C2=A0 =C2=A0 range for SI=3D1 to 3. That seems unfortunate a= nd assumes that the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 BFR-ids
=C2=A0 =C2=A0 =C2=A0 =C2=A0 are always allocated from SI=3D0 up.=C2=A0 =C2= =A0Is there a reason not to
=C2=A0 =C2=A0 =C2=A0 =C2=A0 use some
=C2=A0 =C2=A0 =C2=A0 =C2=A0 of the reserved bits to indicate the starting S= I value?


=C2=A0 =C2=A0 I hope this has been clarified by Andrew and Tony already.

Sure - I'm fine with what the WG wants here - and labels aren't too=
limited. My concern
was about efficiency and future flexibility.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 4) Sec 2.3: The Tree type is a 1 octet value - = that doesn't
=C2=A0 =C2=A0 =C2=A0 =C2=A0 appear to
=C2=A0 =C2=A0 =C2=A0 =C2=A0 have any IANA allocation or meaning clearly ind= icated - beyond the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 parenthetical that 0=3DSPF.=C2=A0 Please fix th= is.


=C2=A0 =C2=A0 will add description for value 0. Will also add the need for = new
=C2=A0 =C2=A0 registry in "IANA Considerations" section.


Cool - unless there's a reason, could it be a BIER-related registry tha= t
both the IS-IS work and OSPF work
can refer to?

right, that make sense. In such case, it should be defined outside of IGP B= IER drafts, shouldn't it?

It's ok t= o have it here.=C2=A0 This is a BIER WG draft and it isn't needed until= this or the ISIS one.
Either can work.=C2=A0 It could be in the = mpls-encap draft, but that's ready for IETF Last Call and it isn't<= /div>
used there - so it would need more explanation.
=C2=A0<= /div>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 5) Sec 2.5: This= section could benefit greatly from a diagram -
=C2=A0 =C2=A0 =C2=A0 =C2=A0 showing
=C2=A0 =C2=A0 =C2=A0 =C2=A0 the advertising router for a prefix, the ABR, a= nd what is then
=C2=A0 =C2=A0 =C2=A0 =C2=A0 flooded
=C2=A0 =C2=A0 =C2=A0 =C2=A0 for the BIER MPLS Sub-TLV for the new areas.

=C2=A0 =C2=A0 can you please clarify what type of diagram do you have in mi= nd?


A fairly simple one :-) where there are 3 areas - with the middle being
the backbone.
Have a BFER in each area.=C2=A0 Describe what is advertised by each BFER an= d
then by
the ABR.

=C2=A0 =C2=A0 I tend to agree with Andrew that we have similar section in m= any
=C2=A0 =C2=A0 other documents and we've never included any diagram real= ly. Anyway,
=C2=A0 =C2=A0 I don't have a problem adding it if it helps.


Frankly, the language/phrasing was such that I had to stop and think
about it for 5 minutes or so to be
confident that I understood and agreed with what was there.=C2=A0 That'= s
generally my sign that added clarity
could be useful - but it could just be me or a bad day.

 let me try.

Thanks,
Alia=C2= =A0
=C2=A0
thanks,
Peter





=C2=A0 =C2=A0 =C2=A0 =C2=A0 Minor:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 4) Sec 2.3: "Label Range Base: A 3 octet f= ield, where the 20
=C2=A0 =C2=A0 =C2=A0 =C2=A0 rightmost
=C2=A0 =C2=A0 =C2=A0 =C2=A0 bits represent the first label in the label ran= ge."=C2=A0 What about
=C2=A0 =C2=A0 =C2=A0 =C2=A0 the top
=C2=A0 =C2=A0 =C2=A0 =C2=A0 4 bits?=C2=A0 Are they Must Be Zero (MBZ)?=C2= =A0 How about making that
=C2=A0 =C2=A0 =C2=A0 =C2=A0 explicit?
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Are they potential future flags?/


=C2=A0 =C2=A0 top for bits are ignored. I'll spell that out explicitly.=


Sounds good.

I look forward to getting these from the WG.=C2=A0 If I can put them into IETF Last Call by the end of the
week, then we can have them on the Oct 26 telechat and hopefully
approved before IETF 100.

Regards,
Alia

=C2=A0 =C2=A0 thanks,
=C2=A0 =C2=A0 Peter


=C2=A0 =C2=A0 =C2=A0 =C2=A0 Thanks,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Alia





--001a1147578a6d1376055a921a6a-- From nobody Mon Oct 2 11:26:47 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D1C11134733; Mon, 2 Oct 2017 11:26:45 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.5 X-Spam-Level: X-Spam-Status: No, score=-14.5 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id spzE-ET4KXM3; Mon, 2 Oct 2017 11:26:43 -0700 (PDT) Received: from aer-iport-4.cisco.com (aer-iport-4.cisco.com [173.38.203.54]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 40BEE134742; Mon, 2 Oct 2017 11:26:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=9684; q=dns/txt; s=iport; t=1506968775; x=1508178375; h=message-id:date:from:mime-version:to:cc:subject: references:in-reply-to:content-transfer-encoding; bh=XKEuMlGPQcUl5BL67UUaKmvFA4Ro1r2H5dpWIH7qdsY=; b=Ml4luAhAZ7o50B/a/dajI0aaVQ1oTfcg6wS+WGn/6tzx1gcBmBrKmNFe MfmGWGLOh3Vcnlu2wOaE2G2t9aJ0TwQ5yurJEgU1RHPTzQkeMOFBihS1S 9LO+anUnROseNbrHnPMytRJtZT/PoydjxSYlGmmeAvF+LoNVSfwf3fwco Y=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0COAACzg9JZ/xbLJq1dGQEBAQEBAQEBA?= =?us-ascii?q?QEBBwEBAQEBhS8ng3mKH3SQZpYsghIKhTsChQAYAQIBAQEBAQEBayiFGAEBAQE?= =?us-ascii?q?CASMVLxEBEAsOBAYCAgUWCAMCAgkDAgECATQDDgYNAQUCAQGKJAilOoIVEosyA?= =?us-ascii?q?QEBAQEBAQEBAQEBAQEBAQEBAR+BDoIfg1OBaQGDKIRdgzqCYQWHRJlujx2FSII?= =?us-ascii?q?UhW+DWocslVSBOR84gQ4yIQgdFYVjHIFpPjaHToJDAQEB?= X-IronPort-AV: E=Sophos;i="5.42,470,1500940800"; d="scan'208";a="657979660" Received: from aer-iport-nat.cisco.com (HELO aer-core-4.cisco.com) ([173.38.203.22]) by aer-iport-4.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2017 18:26:10 +0000 Received: from [10.60.140.51] (ams-ppsenak-nitro2.cisco.com [10.60.140.51]) by aer-core-4.cisco.com (8.14.5/8.14.5) with ESMTP id v92IQ94K000744; Mon, 2 Oct 2017 18:26:10 GMT Message-ID: <59D284C5.8040801@cisco.com> Date: Mon, 02 Oct 2017 20:26:13 +0200 From: Peter Psenak User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Alia Atlas CC: "bier@ietf.org" , OSPF List , draft-ietf-bier-ospf-bier-extensions@ietf.org References: <59D2479B.8050107@cisco.com> <59D25637.7010409@cisco.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Archived-At: Subject: Re: [OSPF] early AD review of draft-ietf-bier-ospf-bier-extensions-07 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Oct 2017 18:26:46 -0000 Hi Alia, please see inline: On 02/10/17 17:33 , Alia Atlas wrote: > On Mon, Oct 2, 2017 at 11:07 AM, Peter Psenak > wrote: > > Hi Alia, > > please see inline: > > On 02/10/17 16:41 , Alia Atlas wrote: > > Hi Peter, > > On Mon, Oct 2, 2017 at 10:05 AM, Peter Psenak > >> wrote: > > Hi Alia, > > please see inline: > > > On 27/09/17 00:12 , Alia Atlas wrote: > > I have done an early AD review of > draft-ietf-bier-ospf-bier-extensions-07 in preparation > for the > publication request. > > First, I would like to thank the many authors for their > work on this > draft. Given that there are currently 7 authors listed, I'd > recommend > appointing a few editors or otherwise reducing down to 5 or > fewer. Of > course, I am also willing to consider extraordinary > circumstances where > the shepherd can explain to me privately the deep technical > contribution > made by each author. > > I do see a number of major issues. > > Major Issues: > > 1) RFC7684 is just for OSPFv2. How is the information > carried for > OSPFv3? We need a mechanism that works for IPv6 also. > > > BIER extension for OSPFv3 will be covered in a separate > draft. It > will be based on draft-ietf-ospf-ospfv3-lsa-extend draft. > This is > similar to what we did for SR and other extensions. > > > I understand that theory - but I think it is getting less tractable. > How far along is that draft? I'll need to at least > reference it and discuss the IPv6 support in the write-up. Once > draft-ietf-ospfv3-lsa-extend is published as an RFC, I would really > expect this to stop happening. > > > given that the encoding of the OSPFv3 is way different to OSPFv2 and > the fact that the draft-ietf-ospfv3-lsa-extend is still a work in > progress I would tend to keep the v2 and v3 extensions separate. > > > Given the second, that's ok - but usually the difference in encoding > isn't enough to require a different draft. > Please do talk to Acee about this. He's collecting OSPFv3 LSA extensions > to add to a separate draft when > draft-ietf-osfpv3-lsa-extend progresses - and that draft is just waiting > on the implementations (and there are > finally 2 of them) so I expect it to move along soon. > > When you say "discuss the IPv6 support in the write-up" do you mean > to mention it in draft-ietf-bier-ospf-bier-extensions? If yes, why? > This documents only specifies OSPFv2 extension. > > > No - I mean in the shepherd's write-up - though an informative reference > to an OSPFv3 draft or a common one would help. At the moment, there's > NOTHING about IPv6 and that's going to make it harder to get IESG > agreement on. would stating in this document that OSPFv3 BIER extension will be covered in a separate draft help? > > > I don't know if you noticed that draft-ietf-sunset4-ipv6-ietf-01 > ("IETF: > End Work on IPv4") is in IETF Last Call. > Of course, it has lots of caveats and is getting a number of > concerned > comments - but the trend is obvious > as is the deployment of IPv6 and the need for feature parity. > > > not that I disagree, but let's not get into that discussion here :) > > > Just calling your attention to the current atmosphere :-) > > 2) In Sec 2.1, the Length is defined as variable and > the figure > includes > additional sub-TLVs. Please clarify in the text what other > sub-TLVs can > be carried & how the length is calculated (yes, same as > always - but > clarity helps with interoperability). > > > will change to "Variable, dependent on sub-TLVs" language > as we did > in SR draft. > > > Sounds good - Variable, 4 + length of sub-TLVs I think. I.e., > be clear > on the length > contributed by this TLV as well as the included sub-TLVs. > > > not that I care too much, but I would like to keep the language same > between documents. Unless you insist otherwise, keeping the > "Variable, dependent on sub-TLVs" would make it consistent with > other docs. > > > Well, I don't deeply care either (beyond bike-shed painting) - but there > is content to the TLV so it has length to be included in the calculation. > > 3) Sec 2.2 "The size of the label range is determined > by the > number of Set > Identifiers (SI) (section 1 of > [I-D.ietf-bier-architecture]) that > are used in the network. Each SI maps to a > single label > in the > label range. The first label is for SI=0, the > second > label is for > SI=1, etc.: > > This implies that there is no way to indicate only a > label for > SI=1 or a > range for SI=1 to 3. That seems unfortunate and assumes > that the > BFR-ids > are always allocated from SI=0 up. Is there a reason > not to > use some > of the reserved bits to indicate the starting SI value? > > > I hope this has been clarified by Andrew and Tony already. > > > Sure - I'm fine with what the WG wants here - and labels aren't too > limited. My concern > was about efficiency and future flexibility. > > > 4) Sec 2.3: The Tree type is a 1 octet value - that doesn't > appear to > have any IANA allocation or meaning clearly indicated - > beyond the > parenthetical that 0=SPF. Please fix this. > > > will add description for value 0. Will also add the need > for new > registry in "IANA Considerations" section. > > > Cool - unless there's a reason, could it be a BIER-related > registry that > both the IS-IS work and OSPF work > can refer to? > > > right, that make sense. In such case, it should be defined outside > of IGP BIER drafts, shouldn't it? > > > It's ok to have it here. This is a BIER WG draft and it isn't needed > until this or the ISIS one. > Either can work. It could be in the mpls-encap draft, but that's ready > for IETF Last Call and it isn't > used there - so it would need more explanation. ok, I define it here. thanks, Peter > > 5) Sec 2.5: This section could benefit greatly from a > diagram - > showing > the advertising router for a prefix, the ABR, and what > is then > flooded > for the BIER MPLS Sub-TLV for the new areas. > > > can you please clarify what type of diagram do you have in > mind? > > > A fairly simple one :-) where there are 3 areas - with the > middle being > the backbone. > Have a BFER in each area. Describe what is advertised by each > BFER and > then by > the ABR. > > I tend to agree with Andrew that we have similar section in > many > other documents and we've never included any diagram > really. Anyway, > I don't have a problem adding it if it helps. > > > Frankly, the language/phrasing was such that I had to stop and think > about it for 5 minutes or so to be > confident that I understood and agreed with what was there. That's > generally my sign that added clarity > could be useful - but it could just be me or a bad day. > > > let me try. > > > Thanks, > Alia > > thanks, > Peter > > > > > > Minor: > > 4) Sec 2.3: "Label Range Base: A 3 octet field, where > the 20 > rightmost > bits represent the first label in the label range." > What about > the top > 4 bits? Are they Must Be Zero (MBZ)? How about making > that > explicit? > Are they potential future flags?/ > > > top for bits are ignored. I'll spell that out explicitly. > > > Sounds good. > > I look forward to getting these from the WG. If I can put them into > IETF Last Call by the end of the > week, then we can have them on the Oct 26 telechat and hopefully > approved before IETF 100. > > Regards, > Alia > > thanks, > Peter > > > Thanks, > Alia > > > > > From nobody Mon Oct 2 11:33:42 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 23232134792; Mon, 2 Oct 2017 11:33:36 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.698 X-Spam-Level: X-Spam-Status: No, score=-2.698 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id uH45qVFINNkO; Mon, 2 Oct 2017 11:33:34 -0700 (PDT) Received: from mail-wm0-x231.google.com (mail-wm0-x231.google.com [IPv6:2a00:1450:400c:c09::231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 55635134794; Mon, 2 Oct 2017 11:32:08 -0700 (PDT) Received: by mail-wm0-x231.google.com with SMTP id i124so12339775wmf.3; Mon, 02 Oct 2017 11:32:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=TYwop853BoqNU64kStDUKGlUfGZdC1eXib1/ncwO3m4=; b=oiFFnumWP8oZxwBmzZrJ+djYAzfQMC7qf7ZWr74tmkCxQCpO0OD8VVPMtJK8AMv30s Qcm4s8YHkfmcrVRO6gkYunZcH8kMoKkvJlrsGLq0NKvmq6JG3LjCQq/l9bXjYsM7380u hW7MKsOOFLHXJRnqLyl8uJ8A9EMN5PsKZMLlUeZ8E7WIaT/9YQGnueHNLsuzIZFkTI2m IxHLnSPnTNotk+NCz5n6TJuasAAeaACUHCEBCcSsf2F7GmQsyYD7RyceP8u+dMZzZzG4 M3dIBQ0PQ3eTFBDuEPKe5zyPAHmCH98yZyh7S50Aoq5Fx/uaSDQN2Npn6oWEuyecILze 6clg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=TYwop853BoqNU64kStDUKGlUfGZdC1eXib1/ncwO3m4=; b=eYQZJ+U21b0TmqVQyM3Rt2Q1ha5PVuNO8aA9Ua042McodTGyMG74bvvtPN3OGsTN93 NW6o+OUaWNzUazoqCYAlGY4AtsEhALL/5PA0P0b7rstSkd+GsvRq9SRSmDj8Gbgr7mvq hUPenhM4qwmsce1763dIBB83Nn5hIVd/OMuo1/sHFllmCOfvN5qv5B3dsQLMrdw8f/IF 4tz2TU4jehNj4DKFi2vJ7IDoZJdOCyHeRAUCiBaKhvInzD9LQ1JoTaEoiJMjiVhZoyiX NymXBSKpdi/m1yv06YKR3mtmcPpeTzWO8Y+gPDz+6yR4nAbvKJcYxz5khgb3sE4d2GBD 4Lcw== X-Gm-Message-State: AMCzsaUn+Gb/iGX6l8GUilTS8ME0XD0ZtlR6W26MpwKdAh6/PgbzKYf9 hGXGDHb8XEDXRCI3nB/zjspkll1GJxB3fra/cXQ= X-Google-Smtp-Source: AOwi7QAX1TVGDSOsQAzs5aktwH3oJyceeckpalnJ5zXbdTseDCMZ9eJTLP9izV7K6uicztIxeGGdVnAB6682lFGlHC8= X-Received: by 10.28.18.210 with SMTP id 201mr10070636wms.135.1506969126596; Mon, 02 Oct 2017 11:32:06 -0700 (PDT) MIME-Version: 1.0 Received: by 10.223.193.68 with HTTP; Mon, 2 Oct 2017 11:32:06 -0700 (PDT) In-Reply-To: <59D284C5.8040801@cisco.com> References: <59D2479B.8050107@cisco.com> <59D25637.7010409@cisco.com> <59D284C5.8040801@cisco.com> From: Alia Atlas Date: Mon, 2 Oct 2017 14:32:06 -0400 Message-ID: To: Peter Psenak , Acee Lindem Cc: "bier@ietf.org" , OSPF List , draft-ietf-bier-ospf-bier-extensions@ietf.org Content-Type: multipart/alternative; boundary="001a1145b02c7a74bd055a949702" Archived-At: Subject: Re: [OSPF] early AD review of draft-ietf-bier-ospf-bier-extensions-07 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Oct 2017 18:33:36 -0000 --001a1145b02c7a74bd055a949702 Content-Type: text/plain; charset="UTF-8" On Mon, Oct 2, 2017 at 2:26 PM, Peter Psenak wrote: > Hi Alia, > > please see inline: > > On 02/10/17 17:33 , Alia Atlas wrote: > >> On Mon, Oct 2, 2017 at 11:07 AM, Peter Psenak > > wrote: >> >> Hi Alia, >> >> please see inline: >> >> On 02/10/17 16:41 , Alia Atlas wrote: >> >> Hi Peter, >> >> On Mon, Oct 2, 2017 at 10:05 AM, Peter Psenak > >> >> wrote: >> >> Hi Alia, >> >> please see inline: >> >> >> On 27/09/17 00:12 , Alia Atlas wrote: >> >> I have done an early AD review of >> draft-ietf-bier-ospf-bier-extensions-07 in preparation >> for the >> publication request. >> >> First, I would like to thank the many authors for their >> work on this >> draft. Given that there are currently 7 authors listed, >> I'd >> recommend >> appointing a few editors or otherwise reducing down to 5 >> or >> fewer. Of >> course, I am also willing to consider extraordinary >> circumstances where >> the shepherd can explain to me privately the deep >> technical >> contribution >> made by each author. >> >> I do see a number of major issues. >> >> Major Issues: >> >> 1) RFC7684 is just for OSPFv2. How is the information >> carried for >> OSPFv3? We need a mechanism that works for IPv6 also. >> >> >> BIER extension for OSPFv3 will be covered in a separate >> draft. It >> will be based on draft-ietf-ospf-ospfv3-lsa-extend draft. >> This is >> similar to what we did for SR and other extensions. >> >> >> I understand that theory - but I think it is getting less >> tractable. >> How far along is that draft? I'll need to at least >> reference it and discuss the IPv6 support in the write-up. Once >> draft-ietf-ospfv3-lsa-extend is published as an RFC, I would >> really >> expect this to stop happening. >> >> >> given that the encoding of the OSPFv3 is way different to OSPFv2 and >> the fact that the draft-ietf-ospfv3-lsa-extend is still a work in >> progress I would tend to keep the v2 and v3 extensions separate. >> >> >> Given the second, that's ok - but usually the difference in encoding >> isn't enough to require a different draft. >> Please do talk to Acee about this. He's collecting OSPFv3 LSA extensions >> to add to a separate draft when >> draft-ietf-osfpv3-lsa-extend progresses - and that draft is just waiting >> on the implementations (and there are >> finally 2 of them) so I expect it to move along soon. >> >> When you say "discuss the IPv6 support in the write-up" do you mean >> to mention it in draft-ietf-bier-ospf-bier-extensions? If yes, why? >> This documents only specifies OSPFv2 extension. >> >> >> No - I mean in the shepherd's write-up - though an informative reference >> to an OSPFv3 draft or a common one would help. At the moment, there's >> NOTHING about IPv6 and that's going to make it harder to get IESG >> agreement on. >> > > would stating in this document that OSPFv3 BIER extension will be covered > in a separate draft help? It would need more than that. Let's see what Acee thinks is a reasonable approach. My tendency would be to reference the draft that is collecting OSPV3 Extended LSA TLVs - but I'm not sure if that draft is still merely conceptual. > I don't know if you noticed that draft-ietf-sunset4-ipv6-ietf-01 >> ("IETF: >> End Work on IPv4") is in IETF Last Call. >> Of course, it has lots of caveats and is getting a number of >> concerned >> comments - but the trend is obvious >> as is the deployment of IPv6 and the need for feature parity. >> >> >> not that I disagree, but let's not get into that discussion here :) >> >> >> Just calling your attention to the current atmosphere :-) >> >> 2) In Sec 2.1, the Length is defined as variable and >> the figure >> includes >> additional sub-TLVs. Please clarify in the text what >> other >> sub-TLVs can >> be carried & how the length is calculated (yes, same as >> always - but >> clarity helps with interoperability). >> >> >> will change to "Variable, dependent on sub-TLVs" language >> as we did >> in SR draft. >> >> >> Sounds good - Variable, 4 + length of sub-TLVs I think. I.e., >> be clear >> on the length >> contributed by this TLV as well as the included sub-TLVs. >> >> >> not that I care too much, but I would like to keep the language same >> between documents. Unless you insist otherwise, keeping the >> "Variable, dependent on sub-TLVs" would make it consistent with >> other docs. >> >> >> Well, I don't deeply care either (beyond bike-shed painting) - but there >> is content to the TLV so it has length to be included in the calculation. >> >> 3) Sec 2.2 "The size of the label range is determined >> by the >> number of Set >> Identifiers (SI) (section 1 of >> [I-D.ietf-bier-architecture]) that >> are used in the network. Each SI maps to a >> single label >> in the >> label range. The first label is for SI=0, the >> second >> label is for >> SI=1, etc.: >> >> This implies that there is no way to indicate only a >> label for >> SI=1 or a >> range for SI=1 to 3. That seems unfortunate and assumes >> that the >> BFR-ids >> are always allocated from SI=0 up. Is there a reason >> not to >> use some >> of the reserved bits to indicate the starting SI value? >> >> >> I hope this has been clarified by Andrew and Tony already. >> >> >> Sure - I'm fine with what the WG wants here - and labels aren't >> too >> limited. My concern >> was about efficiency and future flexibility. >> >> >> 4) Sec 2.3: The Tree type is a 1 octet value - that >> doesn't >> appear to >> have any IANA allocation or meaning clearly indicated - >> beyond the >> parenthetical that 0=SPF. Please fix this. >> >> >> will add description for value 0. Will also add the need >> for new >> registry in "IANA Considerations" section. >> >> >> Cool - unless there's a reason, could it be a BIER-related >> registry that >> both the IS-IS work and OSPF work >> can refer to? >> >> >> right, that make sense. In such case, it should be defined outside >> of IGP BIER drafts, shouldn't it? >> >> >> It's ok to have it here. This is a BIER WG draft and it isn't needed >> until this or the ISIS one. >> Either can work. It could be in the mpls-encap draft, but that's ready >> for IETF Last Call and it isn't >> used there - so it would need more explanation. >> > > ok, I define it here. > Sounds good. Thanks! Alia > > thanks, > Peter > > >> 5) Sec 2.5: This section could benefit greatly from a >> diagram - >> showing >> the advertising router for a prefix, the ABR, and what >> is then >> flooded >> for the BIER MPLS Sub-TLV for the new areas. >> >> >> can you please clarify what type of diagram do you have in >> mind? >> >> >> A fairly simple one :-) where there are 3 areas - with the >> middle being >> the backbone. >> Have a BFER in each area. Describe what is advertised by each >> BFER and >> then by >> the ABR. >> >> I tend to agree with Andrew that we have similar section in >> many >> other documents and we've never included any diagram >> really. Anyway, >> I don't have a problem adding it if it helps. >> >> >> Frankly, the language/phrasing was such that I had to stop and >> think >> about it for 5 minutes or so to be >> confident that I understood and agreed with what was there. >> That's >> generally my sign that added clarity >> could be useful - but it could just be me or a bad day. >> >> >> let me try. >> >> >> Thanks, >> Alia >> >> thanks, >> Peter >> >> >> >> >> >> Minor: >> >> 4) Sec 2.3: "Label Range Base: A 3 octet field, where >> the 20 >> rightmost >> bits represent the first label in the label range." >> What about >> the top >> 4 bits? Are they Must Be Zero (MBZ)? How about making >> that >> explicit? >> Are they potential future flags?/ >> >> >> top for bits are ignored. I'll spell that out explicitly. >> >> >> Sounds good. >> >> I look forward to getting these from the WG. If I can put them >> into >> IETF Last Call by the end of the >> week, then we can have them on the Oct 26 telechat and hopefully >> approved before IETF 100. >> >> Regards, >> Alia >> >> thanks, >> Peter >> >> >> Thanks, >> Alia >> >> >> >> >> >> > --001a1145b02c7a74bd055a949702 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Mon, Oct 2, 2017 at 2:26 PM, Peter Psenak <ppsenak@cisco.com>= ; wrote:
Hi Alia,=

please see inline:

 On 02/10/17 17:33 , Alia Atlas wrote:
On Mon, Oct 2, 2017 at 11:07 AM, Peter Psenak <ppsenak@cisco.com
 <mailto:ppsenak@c= isco.com>> wrote:

=C2=A0 =C2=A0 Hi Alia,

=C2=A0 =C2=A0 please see inline:

=C2=A0 =C2=A0 On 02/10/17 16:41 , Alia Atlas wrote:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 Hi Peter,

=C2=A0 =C2=A0 =C2=A0 =C2=A0 On Mon, Oct 2, 2017 at 10:05 AM, Peter Psenak &= lt;ppsenak@cisco.com=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <mailto:ppsenak@cisco.com>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <mailto:ppsenak@cisco.com <mailto:ppsenak@cisco.com>>> wrote:
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Hi Alia,

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0please see inline:


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0On 27/09/17 00:12 , Alia At= las wrote:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I have done a= n early AD review of
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-ietf-bi= er-ospf-bier-extensions-07 in preparation
=C2=A0 =C2=A0 =C2=A0 =C2=A0 for the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0publication r= equest.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0First, I woul= d like to thank the many authors for their
=C2=A0 =C2=A0 =C2=A0 =C2=A0 work on this
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft. Given = that there are currently 7 authors listed, I'd
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0recommend
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0appointing a = few editors or otherwise reducing down to 5 or
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0fewer. Of
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0course, I am = also willing to consider extraordinary
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0circumstances= where
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0the shepherd = can explain to me privately the deep technical
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0contribution<= br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0made by each = author.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I do see a nu= mber of major issues.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Major Issues:=

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A01)=C2=A0 RFC7= 684 is just for OSPFv2.=C2=A0 How is the information
=C2=A0 =C2=A0 =C2=A0 =C2=A0 carried for
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0OSPFv3? We ne= ed a mechanism that works for IPv6 also.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0BIER extension for OSPFv3 w= ill be covered in a separate
=C2=A0 =C2=A0 =C2=A0 =C2=A0 draft. It
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0will be based on draft-ietf= -ospf-ospfv3-lsa-extend draft.
=C2=A0 =C2=A0 =C2=A0 =C2=A0 This is
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0similar to what we did for = SR and other extensions.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 I understand that theory - but I think it is ge= tting less tractable.
=C2=A0 =C2=A0 =C2=A0 =C2=A0 How far along is that draft? I'll need to a= t least
=C2=A0 =C2=A0 =C2=A0 =C2=A0 reference it and discuss the IPv6 support in th= e write-up.=C2=A0 Once
=C2=A0 =C2=A0 =C2=A0 =C2=A0 draft-ietf-ospfv3-lsa-extend is published as an= RFC, I would really
=C2=A0 =C2=A0 =C2=A0 =C2=A0 expect this to stop happening.


=C2=A0 =C2=A0 given that the encoding of the OSPFv3 is way different to OSP= Fv2 and
=C2=A0 =C2=A0 the fact that the draft-ietf-ospfv3-lsa-extend is still a wor= k in
=C2=A0 =C2=A0 progress I would tend to keep the v2 and v3 extensions separa= te.


Given the second, that's ok - but usually the difference in encoding isn't enough to require a different draft.
Please do talk to Acee about this. He's collecting OSPFv3 LSA extension= s
to add to a separate draft when
draft-ietf-osfpv3-lsa-extend progresses - and that draft is just waiting on the implementations (and there are
finally 2 of them) so I expect it to move along soon.

=C2=A0 =C2=A0 When you say "discuss the IPv6 support in the write-up&q= uot; do you mean
=C2=A0 =C2=A0 to mention it in draft-ietf-bier-ospf-bier-extensions? I= f yes, why?
=C2=A0 =C2=A0 This documents only specifies OSPFv2 extension.


No - I mean in the shepherd's write-up - though an informative referenc= e
to an OSPFv3 draft or a common one would help.=C2=A0 At the moment, there&#= 39;s
NOTHING about IPv6 and that's going to make it harder to get IESG
agreement on.

would stating in this document that OSPFv3 BIER extension will be covered i= n a separate draft help?

It would need more= than that.=C2=A0 Let's see what Acee thinks is a reasonable approach.<= /div>
My tendency would be to reference the draft that is collecting OS= PV3 Extended LSA TLVs - but I'm not
sure if that draft is sti= ll merely conceptual.
=C2=A0
=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 I don't know if you noticed that draft-ietf= -sunset4-ipv6-ietf-01
=C2=A0 =C2=A0 =C2=A0 =C2=A0 ("IETF:
=C2=A0 =C2=A0 =C2=A0 =C2=A0 End Work on IPv4") is in IETF Last Call. =C2=A0 =C2=A0 =C2=A0 =C2=A0 Of course, it has lots of caveats and is gettin= g a number of
=C2=A0 =C2=A0 =C2=A0 =C2=A0 concerned
=C2=A0 =C2=A0 =C2=A0 =C2=A0 comments - but the trend is obvious
=C2=A0 =C2=A0 =C2=A0 =C2=A0 as is the deployment of IPv6 and the need for f= eature parity.


=C2=A0 =C2=A0 not that I disagree, but let's not get into that discussi= on here :)


Just calling your attention to the current atmosphere :-)

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A02) In Sec 2.1= , the Length is defined as variable and
=C2=A0 =C2=A0 =C2=A0 =C2=A0 the figure
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0includes
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0additional su= b-TLVs. Please clarify in the text what other
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0sub-TLVs can<= br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0be carried &a= mp; how the length is calculated (yes, same as
=C2=A0 =C2=A0 =C2=A0 =C2=A0 always - but
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0clarity helps= with interoperability).


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0will change to "Variab= le, dependent on sub-TLVs" language
=C2=A0 =C2=A0 =C2=A0 =C2=A0 as we did
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0in SR draft.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 Sounds good - Variable, 4 + length of sub-TLVs= =C2=A0 I think.=C2=A0 I.e.,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 be clear
=C2=A0 =C2=A0 =C2=A0 =C2=A0 on the length
=C2=A0 =C2=A0 =C2=A0 =C2=A0 contributed by this TLV as well as the included= sub-TLVs.


=C2=A0 =C2=A0 not that I care too much, but I would like to keep the langua= ge same
=C2=A0 =C2=A0 between documents. Unless you insist otherwise, keeping the =C2=A0 =C2=A0 "Variable, dependent on sub-TLVs" would make it con= sistent with
=C2=A0 =C2=A0 other docs.


Well, I don't deeply care either (beyond bike-shed painting) - but ther= e
is content to the TLV so it has length to be included in the calculation.
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A03) Sec 2.2 &q= uot;The size of the label range is determined
=C2=A0 =C2=A0 =C2=A0 =C2=A0 by the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0number of Set=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0Identifiers (SI) (section 1 of
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0[I-D.ietf-bie= r-architecture]) that
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0are used in the network.=C2=A0 Each SI maps to a
=C2=A0 =C2=A0 =C2=A0 =C2=A0 single label
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0in the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0label range.=C2=A0 The first label is for SI=3D0, the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 second
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0label is for<= br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0SI=3D1, etc.:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0This implies = that there is no way to indicate only a
=C2=A0 =C2=A0 =C2=A0 =C2=A0 label for
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0SI=3D1 or a =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0range for SI= =3D1 to 3. That seems unfortunate and assumes
=C2=A0 =C2=A0 =C2=A0 =C2=A0 that the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0BFR-ids
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0are always al= located from SI=3D0 up.=C2=A0 =C2=A0Is there a reason
=C2=A0 =C2=A0 =C2=A0 =C2=A0 not to
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0use some
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0of the reserv= ed bits to indicate the starting SI value?


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I hope this has been clarif= ied by Andrew and Tony already.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 Sure - I'm fine with what the WG wants here= - and labels aren't too
=C2=A0 =C2=A0 =C2=A0 =C2=A0 limited. My concern
=C2=A0 =C2=A0 =C2=A0 =C2=A0 was about efficiency and future flexibility.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A04) Sec 2.3: T= he Tree type is a 1 octet value - that doesn't
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0appear to
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0have any IANA= allocation or meaning clearly indicated -
=C2=A0 =C2=A0 =C2=A0 =C2=A0 beyond the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0parenthetical= that 0=3DSPF.=C2=A0 Please fix this.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0will add description for va= lue 0. Will also add the need
=C2=A0 =C2=A0 =C2=A0 =C2=A0 for new
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0registry in "IANA Cons= iderations" section.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 Cool - unless there's a reason, could it be= a BIER-related
=C2=A0 =C2=A0 =C2=A0 =C2=A0 registry that
=C2=A0 =C2=A0 =C2=A0 =C2=A0 both the IS-IS work and OSPF work
=C2=A0 =C2=A0 =C2=A0 =C2=A0 can refer to?


=C2=A0 =C2=A0 right, that make sense. In such case, it should be defined ou= tside
=C2=A0 =C2=A0 of IGP BIER drafts, shouldn't it?


It's ok to have it here.=C2=A0 This is a BIER WG draft and it isn't= needed
until this or the ISIS one.
Either can work.=C2=A0 It could be in the mpls-encap draft, but that's = ready
for IETF Last Call and it isn't
used there - so it would need more explanation.

ok, I define it here.

Sounds good.=C2= =A0 Thanks!

Alia
=C2=A0

thanks,
Peter


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A05) Sec 2.5: T= his section could benefit greatly from a
=C2=A0 =C2=A0 =C2=A0 =C2=A0 diagram -
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0showing
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0the advertisi= ng router for a prefix, the ABR, and what
=C2=A0 =C2=A0 =C2=A0 =C2=A0 is then
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0flooded
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0for the BIER = MPLS Sub-TLV for the new areas.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0can you please clarify what= type of diagram do you have in
=C2=A0 =C2=A0 =C2=A0 =C2=A0 mind?


=C2=A0 =C2=A0 =C2=A0 =C2=A0 A fairly simple one :-) where there are 3 areas= - with the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 middle being
=C2=A0 =C2=A0 =C2=A0 =C2=A0 the backbone.
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Have a BFER in each area.=C2=A0 Describe what i= s advertised by each
=C2=A0 =C2=A0 =C2=A0 =C2=A0 BFER and
=C2=A0 =C2=A0 =C2=A0 =C2=A0 then by
=C2=A0 =C2=A0 =C2=A0 =C2=A0 the ABR.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I tend to agree with Andrew= that we have similar section in
=C2=A0 =C2=A0 =C2=A0 =C2=A0 many
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0other documents and we'= ve never included any diagram
=C2=A0 =C2=A0 =C2=A0 =C2=A0 really. Anyway,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I don't have a problem = adding it if it helps.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 Frankly, the language/phrasing was such that I = had to stop and think
=C2=A0 =C2=A0 =C2=A0 =C2=A0 about it for 5 minutes or so to be
=C2=A0 =C2=A0 =C2=A0 =C2=A0 confident that I understood and agreed with wha= t was there.=C2=A0 That's
=C2=A0 =C2=A0 =C2=A0 =C2=A0 generally my sign that added clarity
=C2=A0 =C2=A0 =C2=A0 =C2=A0 could be useful - but it could just be me or a = bad day.


=C2=A0 =C2=A0 let me try.


Thanks,
Alia

=C2=A0 =C2=A0 thanks,
=C2=A0 =C2=A0 Peter





=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Minor:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A04) Sec 2.3: &= quot;Label Range Base: A 3 octet field, where
=C2=A0 =C2=A0 =C2=A0 =C2=A0 the 20
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0rightmost
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0bits represen= t the first label in the label range."
=C2=A0 =C2=A0 =C2=A0 =C2=A0 What about
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0the top
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A04 bits?=C2=A0= Are they Must Be Zero (MBZ)?=C2=A0 How about making
=C2=A0 =C2=A0 =C2=A0 =C2=A0 that
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0explicit?
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Are they pote= ntial future flags?/


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0top for bits are ignored. I= 'll spell that out explicitly.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 Sounds good.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 I look forward to getting these from the WG.=C2= =A0 If I can put them into
=C2=A0 =C2=A0 =C2=A0 =C2=A0 IETF Last Call by the end of the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 week, then we can have them on the Oct 26 telec= hat and hopefully
=C2=A0 =C2=A0 =C2=A0 =C2=A0 approved before IETF 100.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 Regards,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Alia

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0thanks,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Peter


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Thanks,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Alia







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charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Ok. Thx, Dirk ________________________________ From: Acee Lindem (acee) Sent: Monday, October 2, 2017 8:45:41 PM To: Goethals, Dirk (Nokia - BE/Antwerp) Cc: OSPF WG List Subject: Re: draft-ietf-ospf-ospfv3-segment-routing-extensions Hi Dirk, I agree we should use the same term but we have finished WG last call and AD review for the OSPFv2 Segment Routing extensions. Additionally, everyone is familiar with the term link-group. A link-set would be new terminology. Let=92s fix the IS-IS draft. Thanks, Acee > > > >-------- Original Message -------- >Subject: draft-ietf-ospf-ospfv3-segment-routing-extensions >Resent-Date: Wed, 13 Sep 2017 06:26:45 -0700 >Resent-From: >Resent-To: , , >, , , >, >Date: Wed, 13 Sep 2017 15:26:47 +0200 >From: Dirk Goethals >To: , >, >"draft-ietf-ospf-segment-routing-extensions@ietf.org" > > > > >Hi authors, > >OSPF's G-flag and ISIS's S-flag are both representing adjacency sets, >see snip below, >can we align these definitions and simply call it S-Flag in both IGPs. > >Thx, >Dirk > >OSPFv2 and OSPFv3: > > The G-Flag. Group Flag. When set, the G-Flag indicates that > the Adj-SID refers to a set of adjacencies (and therefore MAY > be assigned to other adjacencies as well). > > > >ISIS: > > S-Flag. Set flag. When set, the S-Flag indicates that the > Adj-SID refers to a set of adjacencies (and therefore MAY be > assigned to other adjacencies as well). > >. > > --_000_AMSPR07MB1005D6BB5A01BB19640E974E27D0AMSPR07MB100eurprd_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Ok.
Thx,
Dirk
From: Acee Lindem (acee) = <acee@cisco.com>
Sent: Monday, October 2, 2017 8:45:41 PM
To: Goethals, Dirk (Nokia - BE/Antwerp)
Cc: OSPF WG List
Subject: Re: draft-ietf-ospf-ospfv3-segment-routing-extensions
 
Hi Dirk,

I agree we should use the same term but we have finished WG last call and AD review for the OSPFv2 Segment Routing extensions. Additionally,
everyone is familiar with the term link-group. A link-set would be new
terminology. Let=92s fix the IS-IS draft.

Thanks,
Acee 
>
>
>
>-------- Original Message --------
>Subject:        draft-ietf-ospf-ospf= v3-segment-routing-extensions
>Resent-Date:    Wed, 13 Sep 2017 06:26:45 -0700
>Resent-From:    <alias-bounces@ietf.org>
>Resent-To:      <ppsenak@cisco.com>, <= ;stefano@previdi.net>,
><cfilsfil@cisco.com>, <hannes@rtbrick.com>, <robjs@googl= e.com>,
><wim.henderickx@nokia.com>, <jefftant.ietf@gmail.com>
>Date:   Wed, 13 Sep 2017 15:26:47 +0200
>From:   Dirk Goethals <dirk.goethals@nokia.com>
>To:     <draft-ietf-ospf-ospfv3-segment-routing-= extensions@ietf.org>,
><draft-ietf-isis-segment-routing-extensions@ietf.org>,
>"draft-ietf-ospf-segment-routing-extensions@ietf.org"
><draft-ietf-ospf-segment-routing-extensions@ietf.org>
>
>
>
>Hi authors,
>
>OSPF's G-flag and ISIS's S-flag are both representing adjacency sets, >see snip below,
>can we align these definitions and simply call it S-Flag in both IGPs.<= br> >
>Thx,
>Dirk
>
>OSPFv2 and OSPFv3:
>
>           The G-Flag= .  Group Flag.  When set, the G-Flag indicates that
>           the Adj-SI= D refers to a set of adjacencies (and therefore MAY
>           be assigne= d to other adjacencies as well).
>
>
>
>ISIS:
>
>           S-Flag.&nb= sp; Set flag.  When set, the S-Flag indicates that the
>           Adj-SID re= fers to a set of adjacencies (and therefore MAY be
>           assigned t= o other adjacencies as well).
>
>.
>
>

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<548C44CB9EF02E4E8C498DEBEDBD1FAE@emea.cisco.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] draft-ietf-ospf-ospfv3-segment-routing-extensions X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Oct 2017 20:41:10 -0000 SGkgTGVzLCANCg0KSSB3YXMgdGFsa2luZyBpbiB0ZXJtcyBvZiBnZW5lcmFsIElFVEYgdGVybWlu b2xvZ3kgYXMgb3Bwb3NlZCB0byBzcGVjaWZpYw0KdGVybWlub2xvZ3kgaW4gdGhpcyBkcmFmdC4g Rm9yIGV4YW1wbGUsIHdlIGhhdmUgdmFyaW91cyBncm91cHMgb2YgbGlua3MsDQplLmcuLCBTUkxH cyBhbmQgTEFHcy4gSXQgaXMgbW9yZSBjb25zaXN0ZW50IHRvIHVzZSDigJxncm91cOKAnSBmb3Ig YWRqYWNlbmNpZXMNCmFzIHdlbGwuIA0KVGhhbmtzLA0KQWNlZQ0KDQoNCk9uIDEwLzIvMTcsIDQ6 MTYgUE0sICJMZXMgR2luc2JlcmcgKGdpbnNiZXJnKSIgPGdpbnNiZXJnQGNpc2NvLmNvbT4gd3Jv dGU6DQoNCj5BY2VlIC0NCj4NCj5PU1BGIGRyYWZ0IGN1cnJlbnRseSBzYXlzOg0KPg0KPiJUaGUg 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X19fX19fX18NCj4+IE9TUEYgbWFpbGluZyBsaXN0DQo+PiBPU1BGQGlldGYub3JnDQo+PiBodHRw czovL3d3dy5pZXRmLm9yZy9tYWlsbWFuL2xpc3RpbmZvL29zcGYNCg0K From nobody Tue Oct 3 07:59:10 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 959CA134E25; Tue, 3 Oct 2017 07:59:08 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.519 X-Spam-Level: X-Spam-Status: No, score=-14.519 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) 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mapi id 15.00.1320.000; Tue, 3 Oct 2017 10:56:21 -0400 From: "Acee Lindem (acee)" To: Alia Atlas , "Peter Psenak (ppsenak)" CC: "bier@ietf.org" , OSPF List , "draft-ietf-bier-ospf-bier-extensions@ietf.org" Thread-Topic: early AD review of draft-ietf-bier-ospf-bier-extensions-07 Thread-Index: AQHTO6zLj9HnRW+I6UGWpv+ANma486LSOCEA Date: Tue, 3 Oct 2017 14:56:21 +0000 Message-ID: References: <59D2479B.8050107@cisco.com> <59D25637.7010409@cisco.com> <59D284C5.8040801@cisco.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.196] Content-Type: multipart/alternative; boundary="_000_D5F91C87CAFC7aceeciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] early AD review of draft-ietf-bier-ospf-bier-extensions-07 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG 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References: <59D2479B.8050107@cisco.com> <59D25637.7010409@cisco.com> <59D284C5.8040801@cisco.com> From: Alia Atlas Date: Tue, 3 Oct 2017 10:59:03 -0400 Message-ID: To: "Acee Lindem (acee)" Cc: "Peter Psenak (ppsenak)" , "bier@ietf.org" , OSPF List , "draft-ietf-bier-ospf-bier-extensions@ietf.org" Content-Type: multipart/alternative; boundary="f403045cf0fa684e13055aa5bb01" Archived-At: Subject: Re: [OSPF] early AD review of draft-ietf-bier-ospf-bier-extensions-07 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Oct 2017 15:04:05 -0000 --f403045cf0fa684e13055aa5bb01 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Acee, On Tue, Oct 3, 2017 at 10:56 AM, Acee Lindem (acee) wrote: > Hi Alia, > > I spoke to Peter and I think the OSPFv3 Bier Extensions should go into a > separate OSPFv3 draft. Heretofore, all the work has been done in the BIER > working group and it seems it would make sense to do it here rather than > mix much into the overflow draft. As for the OSPF WG, the priority needs = to > be to publish the OSPFv3 Extended LSA draft. I=E2=80=99ll ask Abhay to st= art the WG > last call and concurrently post the implementation information. > Ok - that works for BIER. For OSPF, getting that draft done will help a great deal with enabling feature parity for IPv6. Thanks for all your work on it. Regards, Alia > Thanks, > Acee > > From: Alia Atlas > Date: Monday, October 2, 2017 at 2:32 PM > To: "Peter Psenak (ppsenak)" , Acee Lindem < > acee@cisco.com> > Cc: "bier@ietf.org" , OSPF WG List , " > draft-ietf-bier-ospf-bier-extensions@ietf.org" extensions@ietf.org> > Subject: Re: early AD review of draft-ietf-bier-ospf-bier-extensions-07 > > > > On Mon, Oct 2, 2017 at 2:26 PM, Peter Psenak wrote: > >> Hi Alia, >> >> please see inline: >> >> On 02/10/17 17:33 , Alia Atlas wrote: >> >>> On Mon, Oct 2, 2017 at 11:07 AM, Peter Psenak >> > wrote: >>> >>> Hi Alia, >>> >>> please see inline: >>> >>> On 02/10/17 16:41 , Alia Atlas wrote: >>> >>> Hi Peter, >>> >>> On Mon, Oct 2, 2017 at 10:05 AM, Peter Psenak >> >>> >> wrote: >>> >>> Hi Alia, >>> >>> please see inline: >>> >>> >>> On 27/09/17 00:12 , Alia Atlas wrote: >>> >>> I have done an early AD review of >>> draft-ietf-bier-ospf-bier-extensions-07 in preparation >>> for the >>> publication request. >>> >>> First, I would like to thank the many authors for thei= r >>> work on this >>> draft. Given that there are currently 7 authors listed= , >>> I'd >>> recommend >>> appointing a few editors or otherwise reducing down to >>> 5 or >>> fewer. Of >>> course, I am also willing to consider extraordinary >>> circumstances where >>> the shepherd can explain to me privately the deep >>> technical >>> contribution >>> made by each author. >>> >>> I do see a number of major issues. >>> >>> Major Issues: >>> >>> 1) RFC7684 is just for OSPFv2. How is the informatio= n >>> carried for >>> OSPFv3? We need a mechanism that works for IPv6 also. >>> >>> >>> BIER extension for OSPFv3 will be covered in a separate >>> draft. It >>> will be based on draft-ietf-ospf-ospfv3-lsa-extend draft. >>> This is >>> similar to what we did for SR and other extensions. >>> >>> >>> I understand that theory - but I think it is getting less >>> tractable. >>> How far along is that draft? I'll need to at least >>> reference it and discuss the IPv6 support in the write-up. Onc= e >>> draft-ietf-ospfv3-lsa-extend is published as an RFC, I would >>> really >>> expect this to stop happening. >>> >>> >>> given that the encoding of the OSPFv3 is way different to OSPFv2 an= d >>> the fact that the draft-ietf-ospfv3-lsa-extend is still a work in >>> progress I would tend to keep the v2 and v3 extensions separate. >>> >>> >>> Given the second, that's ok - but usually the difference in encoding >>> isn't enough to require a different draft. >>> Please do talk to Acee about this. He's collecting OSPFv3 LSA extension= s >>> to add to a separate draft when >>> draft-ietf-osfpv3-lsa-extend progresses - and that draft is just waitin= g >>> on the implementations (and there are >>> finally 2 of them) so I expect it to move along soon. >>> >>> When you say "discuss the IPv6 support in the write-up" do you mean >>> to mention it in draft-ietf-bier-ospf-bier-extensions? If yes, why? >>> This documents only specifies OSPFv2 extension. >>> >>> >>> No - I mean in the shepherd's write-up - though an informative referenc= e >>> to an OSPFv3 draft or a common one would help. At the moment, there's >>> NOTHING about IPv6 and that's going to make it harder to get IESG >>> agreement on. >>> >> >> would stating in this document that OSPFv3 BIER extension will be covere= d >> in a separate draft help? > > > It would need more than that. Let's see what Acee thinks is a reasonable > approach. > My tendency would be to reference the draft that is collecting OSPV3 > Extended LSA TLVs - but I'm not > sure if that draft is still merely conceptual. > > >> I don't know if you noticed that draft-ietf-sunset4-ipv6-ietf-01 >>> ("IETF: >>> End Work on IPv4") is in IETF Last Call. >>> Of course, it has lots of caveats and is getting a number of >>> concerned >>> comments - but the trend is obvious >>> as is the deployment of IPv6 and the need for feature parity. >>> >>> >>> not that I disagree, but let's not get into that discussion here :) >>> >>> >>> Just calling your attention to the current atmosphere :-) >>> >>> 2) In Sec 2.1, the Length is defined as variable and >>> the figure >>> includes >>> additional sub-TLVs. Please clarify in the text what >>> other >>> sub-TLVs can >>> be carried & how the length is calculated (yes, same a= s >>> always - but >>> clarity helps with interoperability). >>> >>> >>> will change to "Variable, dependent on sub-TLVs" language >>> as we did >>> in SR draft. >>> >>> >>> Sounds good - Variable, 4 + length of sub-TLVs I think. I.e., >>> be clear >>> on the length >>> contributed by this TLV as well as the included sub-TLVs. >>> >>> >>> not that I care too much, but I would like to keep the language sam= e >>> between documents. Unless you insist otherwise, keeping the >>> "Variable, dependent on sub-TLVs" would make it consistent with >>> other docs. >>> >>> >>> Well, I don't deeply care either (beyond bike-shed painting) - but ther= e >>> is content to the TLV so it has length to be included in the calculatio= n. >>> >>> 3) Sec 2.2 "The size of the label range is determined >>> by the >>> number of Set >>> Identifiers (SI) (section 1 of >>> [I-D.ietf-bier-architecture]) that >>> are used in the network. Each SI maps to a >>> single label >>> in the >>> label range. The first label is for SI=3D0, t= he >>> second >>> label is for >>> SI=3D1, etc.: >>> >>> This implies that there is no way to indicate only a >>> label for >>> SI=3D1 or a >>> range for SI=3D1 to 3. That seems unfortunate and assu= mes >>> that the >>> BFR-ids >>> are always allocated from SI=3D0 up. Is there a reas= on >>> not to >>> use some >>> of the reserved bits to indicate the starting SI value= ? >>> >>> >>> I hope this has been clarified by Andrew and Tony already. >>> >>> >>> Sure - I'm fine with what the WG wants here - and labels aren't >>> too >>> limited. My concern >>> was about efficiency and future flexibility. >>> >>> >>> 4) Sec 2.3: The Tree type is a 1 octet value - that >>> doesn't >>> appear to >>> have any IANA allocation or meaning clearly indicated = - >>> beyond the >>> parenthetical that 0=3DSPF. Please fix this. >>> >>> >>> will add description for value 0. Will also add the need >>> for new >>> registry in "IANA Considerations" section. >>> >>> >>> Cool - unless there's a reason, could it be a BIER-related >>> registry that >>> both the IS-IS work and OSPF work >>> can refer to? >>> >>> >>> right, that make sense. In such case, it should be defined outside >>> of IGP BIER drafts, shouldn't it? >>> >>> >>> It's ok to have it here. This is a BIER WG draft and it isn't needed >>> until this or the ISIS one. >>> Either can work. It could be in the mpls-encap draft, but that's ready >>> for IETF Last Call and it isn't >>> used there - so it would need more explanation. >>> >> >> ok, I define it here. >> > > Sounds good. Thanks! > > Alia > > >> >> thanks, >> Peter >> >> >>> 5) Sec 2.5: This section could benefit greatly from a >>> diagram - >>> showing >>> the advertising router for a prefix, the ABR, and what >>> is then >>> flooded >>> for the BIER MPLS Sub-TLV for the new areas. >>> >>> >>> can you please clarify what type of diagram do you have in >>> mind? >>> >>> >>> A fairly simple one :-) where there are 3 areas - with the >>> middle being >>> the backbone. >>> Have a BFER in each area. Describe what is advertised by each >>> BFER and >>> then by >>> the ABR. >>> >>> I tend to agree with Andrew that we have similar section i= n >>> many >>> other documents and we've never included any diagram >>> really. Anyway, >>> I don't have a problem adding it if it helps. >>> >>> >>> Frankly, the language/phrasing was such that I had to stop and >>> think >>> about it for 5 minutes or so to be >>> confident that I understood and agreed with what was there. >>> That's >>> generally my sign that added clarity >>> could be useful - but it could just be me or a bad day. >>> >>> >>> let me try. >>> >>> >>> Thanks, >>> Alia >>> >>> thanks, >>> Peter >>> >>> >>> >>> >>> >>> Minor: >>> >>> 4) Sec 2.3: "Label Range Base: A 3 octet field, where >>> the 20 >>> rightmost >>> bits represent the first label in the label range." >>> What about >>> the top >>> 4 bits? Are they Must Be Zero (MBZ)? How about makin= g >>> that >>> explicit? >>> Are they potential future flags?/ >>> >>> >>> top for bits are ignored. I'll spell that out explicitly. >>> >>> >>> Sounds good. >>> >>> I look forward to getting these from the WG. If I can put them >>> into >>> IETF Last Call by the end of the >>> week, then we can have them on the Oct 26 telechat and hopefull= y >>> approved before IETF 100. >>> >>> Regards, >>> Alia >>> >>> thanks, >>> Peter >>> >>> >>> Thanks, >>> Alia >>> >>> >>> >>> >>> >>> >> > --f403045cf0fa684e13055aa5bb01 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Acee,

On Tue, Oct 3, 2017 at 10:56 AM, Acee Lindem (acee) <acee@cisco= .com> wrote:
Hi Alia,=C2=A0

I spoke to Peter and I think the OSPFv3 Bier Extensions should go into= a separate OSPFv3 draft. Heretofore, all the work has been done in the BIE= R working group and it seems it would make sense to do it here rather than = mix much into the overflow draft. As for the OSPF WG, the priority needs to be to publish the OSPFv3 Extende= d LSA draft. I=E2=80=99ll ask Abhay to start the WG last call and concurren= tly post the implementation information.=C2=A0

Ok - that works for BIER.=C2=A0 For OSPF, getting that draf= t done will help a great deal with enabling feature parity for IPv6.
<= div>
Thanks for all your work on it.

Regards,
Alia=C2=A0
=C2=A0
Thanks,
Acee=C2=A0

From: Alia Atlas <akatlas@gmail.com>
Date: Monday, October 2, 2017 at 2:= 32 PM
To: "Peter Psenak (ppsenak)&qu= ot; <ppsenak@cisc= o.com>, Acee Lindem <acee@cisco.com>
Cc: "bier@ietf.org" <bier@ietf.org>, OSPF WG List <ospf@ietf.org>, "= draft-ietf-bier-ospf-bier-extensions@ietf.org" <draft-ietf-bier-ospf-bier-extensions@ietf.org>
Subject: Re: early AD review of dra= ft-ietf-bier-ospf-bier-extensions-07



On Mon, Oct 2, 2017 at 2:26 PM, Peter Psenak <ppsenak@cisco.co= m> wrote:
Hi Alia,

please see inline:

On 02/10/17 17:33 , Alia Atlas wrote:
On Mon, Oct 2, 2017 at 11:07 AM, Peter Psenak <ppsenak@cisco.com
<mailto:ppsenak@cisco.com>> wrote:

=C2=A0 =C2=A0 Hi Alia,

=C2=A0 =C2=A0 please see inline:

=C2=A0 =C2=A0 On 02/10/17 16:41 , Alia Atlas wrote:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 Hi Peter,

=C2=A0 =C2=A0 =C2=A0 =C2=A0 On Mon, Oct 2, 2017 at 10:05 AM, Peter Psenak &= lt;ppsenak@cisco.com=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <mailto:ppsenak@cisco.com>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <mail= to:ppsenak@cisco.com= <mailto:ppse= nak@cisco.com>>> wrote:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Hi Alia,

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0please see inline:


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0On 27/09/17 00:12 , Alia At= las wrote:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I have done a= n early AD review of
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-ietf-bi= er-ospf-bier-extensions-07 in preparation
=C2=A0 =C2=A0 =C2=A0 =C2=A0 for the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0publication r= equest.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0First, I woul= d like to thank the many authors for their
=C2=A0 =C2=A0 =C2=A0 =C2=A0 work on this
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft. Given = that there are currently 7 authors listed, I'd
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0recommend
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0appointing a = few editors or otherwise reducing down to 5 or
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0fewer. Of
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0course, I am = also willing to consider extraordinary
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0circumstances= where
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0the shepherd = can explain to me privately the deep technical
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0contribution<= br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0made by each = author.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I do see a nu= mber of major issues.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Major Issues:=

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A01)=C2=A0 RFC7= 684 is just for OSPFv2.=C2=A0 How is the information
=C2=A0 =C2=A0 =C2=A0 =C2=A0 carried for
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0OSPFv3? We ne= ed a mechanism that works for IPv6 also.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0BIER extension for OSPFv3 w= ill be covered in a separate
=C2=A0 =C2=A0 =C2=A0 =C2=A0 draft. It
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0will be based on draft-ietf= -ospf-ospfv3-lsa-extend draft.
=C2=A0 =C2=A0 =C2=A0 =C2=A0 This is
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0similar to what we did for = SR and other extensions.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 I understand that theory - but I think it is ge= tting less tractable.
=C2=A0 =C2=A0 =C2=A0 =C2=A0 How far along is that draft? I'll need to a= t least
=C2=A0 =C2=A0 =C2=A0 =C2=A0 reference it and discuss the IPv6 support in th= e write-up.=C2=A0 Once
=C2=A0 =C2=A0 =C2=A0 =C2=A0 draft-ietf-ospfv3-lsa-extend is published as an= RFC, I would really
=C2=A0 =C2=A0 =C2=A0 =C2=A0 expect this to stop happening.


=C2=A0 =C2=A0 given that the encoding of the OSPFv3 is way different to OSP= Fv2 and
=C2=A0 =C2=A0 the fact that the draft-ietf-ospfv3-lsa-extend is still a wor= k in
=C2=A0 =C2=A0 progress I would tend to keep the v2 and v3 extensions separa= te.


Given the second, that's ok - but usually the difference in encoding isn't enough to require a different draft.
Please do talk to Acee about this. He's collecting OSPFv3 LSA extension= s
to add to a separate draft when
draft-ietf-osfpv3-lsa-extend progresses - and that draft is just waiting on the implementations (and there are
finally 2 of them) so I expect it to move along soon.

=C2=A0 =C2=A0 When you say "discuss the IPv6 support in the write-up&q= uot; do you mean
=C2=A0 =C2=A0 to mention it in draft-ietf-bier-ospf-bier-extensions? I= f yes, why?
=C2=A0 =C2=A0 This documents only specifies OSPFv2 extension.


No - I mean in the shepherd's write-up - though an informative referenc= e
to an OSPFv3 draft or a common one would help.=C2=A0 At the moment, there&#= 39;s
NOTHING about IPv6 and that's going to make it harder to get IESG
agreement on.

would stating in this document that OSPFv3 BIER extension will be covered i= n a separate draft help?

It would need more than that.=C2=A0 Let's see what Acee thinks is = a reasonable approach.
My tendency would be to reference the draft that is collecting OSPV3 E= xtended LSA TLVs - but I'm not
sure if that draft is still merely conceptual.
=C2=A0
=C2=A0 =C2=A0 =C2=A0 =C2=A0 I don't know if you noticed that draft-ietf= -sunset4-ipv6-ietf-01
=C2=A0 =C2=A0 =C2=A0 =C2=A0 ("IETF:
=C2=A0 =C2=A0 =C2=A0 =C2=A0 End Work on IPv4") is in IETF Last Call. =C2=A0 =C2=A0 =C2=A0 =C2=A0 Of course, it has lots of caveats and is gettin= g a number of
=C2=A0 =C2=A0 =C2=A0 =C2=A0 concerned
=C2=A0 =C2=A0 =C2=A0 =C2=A0 comments - but the trend is obvious
=C2=A0 =C2=A0 =C2=A0 =C2=A0 as is the deployment of IPv6 and the need for f= eature parity.


=C2=A0 =C2=A0 not that I disagree, but let's not get into that discussi= on here :)


Just calling your attention to the current atmosphere :-)

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A02) In Sec 2.1= , the Length is defined as variable and
=C2=A0 =C2=A0 =C2=A0 =C2=A0 the figure
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0includes
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0additional su= b-TLVs. Please clarify in the text what other
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0sub-TLVs can<= br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0be carried &a= mp; how the length is calculated (yes, same as
=C2=A0 =C2=A0 =C2=A0 =C2=A0 always - but
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0clarity helps= with interoperability).


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0will change to "Variab= le, dependent on sub-TLVs" language
=C2=A0 =C2=A0 =C2=A0 =C2=A0 as we did
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0in SR draft.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 Sounds good - Variable, 4 + length of sub-TLVs= =C2=A0 I think.=C2=A0 I.e.,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 be clear
=C2=A0 =C2=A0 =C2=A0 =C2=A0 on the length
=C2=A0 =C2=A0 =C2=A0 =C2=A0 contributed by this TLV as well as the included= sub-TLVs.


=C2=A0 =C2=A0 not that I care too much, but I would like to keep the langua= ge same
=C2=A0 =C2=A0 between documents. Unless you insist otherwise, keeping the =C2=A0 =C2=A0 "Variable, dependent on sub-TLVs" would make it con= sistent with
=C2=A0 =C2=A0 other docs.


Well, I don't deeply care either (beyond bike-shed painting) - but ther= e
is content to the TLV so it has length to be included in the calculation.
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A03) Sec 2.2 &q= uot;The size of the label range is determined
=C2=A0 =C2=A0 =C2=A0 =C2=A0 by the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0number of Set=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0Identifiers (SI) (section 1 of
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0[I-D.ietf-bie= r-architecture]) that
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0are used in the network.=C2=A0 Each SI maps to a
=C2=A0 =C2=A0 =C2=A0 =C2=A0 single label
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0in the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0label range.=C2=A0 The first label is for SI=3D0, the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 second
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0label is for<= br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0SI=3D1, etc.:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0This implies = that there is no way to indicate only a
=C2=A0 =C2=A0 =C2=A0 =C2=A0 label for
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0SI=3D1 or a =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0range for SI= =3D1 to 3. That seems unfortunate and assumes
=C2=A0 =C2=A0 =C2=A0 =C2=A0 that the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0BFR-ids
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0are always al= located from SI=3D0 up.=C2=A0 =C2=A0Is there a reason
=C2=A0 =C2=A0 =C2=A0 =C2=A0 not to
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0use some
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0of the reserv= ed bits to indicate the starting SI value?


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I hope this has been clarif= ied by Andrew and Tony already.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 Sure - I'm fine with what the WG wants here= - and labels aren't too
=C2=A0 =C2=A0 =C2=A0 =C2=A0 limited. My concern
=C2=A0 =C2=A0 =C2=A0 =C2=A0 was about efficiency and future flexibility.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A04) Sec 2.3: T= he Tree type is a 1 octet value - that doesn't
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0appear to
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0have any IANA= allocation or meaning clearly indicated -
=C2=A0 =C2=A0 =C2=A0 =C2=A0 beyond the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0parenthetical= that 0=3DSPF.=C2=A0 Please fix this.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0will add description for va= lue 0. Will also add the need
=C2=A0 =C2=A0 =C2=A0 =C2=A0 for new
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0registry in "IANA Cons= iderations" section.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 Cool - unless there's a reason, could it be= a BIER-related
=C2=A0 =C2=A0 =C2=A0 =C2=A0 registry that
=C2=A0 =C2=A0 =C2=A0 =C2=A0 both the IS-IS work and OSPF work
=C2=A0 =C2=A0 =C2=A0 =C2=A0 can refer to?


=C2=A0 =C2=A0 right, that make sense. In such case, it should be defined ou= tside
=C2=A0 =C2=A0 of IGP BIER drafts, shouldn't it?


It's ok to have it here.=C2=A0 This is a BIER WG draft and it isn't= needed
until this or the ISIS one.
Either can work.=C2=A0 It could be in the mpls-encap draft, but that's = ready
for IETF Last Call and it isn't
used there - so it would need more explanation.

ok, I define it here.

Sounds good.=C2=A0 Thanks!

Alia
=C2=A0

thanks,
Peter


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A05) Sec 2.5: T= his section could benefit greatly from a
=C2=A0 =C2=A0 =C2=A0 =C2=A0 diagram -
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0showing
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0the advertisi= ng router for a prefix, the ABR, and what
=C2=A0 =C2=A0 =C2=A0 =C2=A0 is then
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0flooded
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0for the BIER = MPLS Sub-TLV for the new areas.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0can you please clarify what= type of diagram do you have in
=C2=A0 =C2=A0 =C2=A0 =C2=A0 mind?


=C2=A0 =C2=A0 =C2=A0 =C2=A0 A fairly simple one :-) where there are 3 areas= - with the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 middle being
=C2=A0 =C2=A0 =C2=A0 =C2=A0 the backbone.
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Have a BFER in each area.=C2=A0 Describe what i= s advertised by each
=C2=A0 =C2=A0 =C2=A0 =C2=A0 BFER and
=C2=A0 =C2=A0 =C2=A0 =C2=A0 then by
=C2=A0 =C2=A0 =C2=A0 =C2=A0 the ABR.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I tend to agree with Andrew= that we have similar section in
=C2=A0 =C2=A0 =C2=A0 =C2=A0 many
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0other documents and we'= ve never included any diagram
=C2=A0 =C2=A0 =C2=A0 =C2=A0 really. Anyway,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0I don't have a problem = adding it if it helps.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 Frankly, the language/phrasing was such that I = had to stop and think
=C2=A0 =C2=A0 =C2=A0 =C2=A0 about it for 5 minutes or so to be
=C2=A0 =C2=A0 =C2=A0 =C2=A0 confident that I understood and agreed with wha= t was there.=C2=A0 That's
=C2=A0 =C2=A0 =C2=A0 =C2=A0 generally my sign that added clarity
=C2=A0 =C2=A0 =C2=A0 =C2=A0 could be useful - but it could just be me or a = bad day.


=C2=A0 =C2=A0 let me try.


Thanks,
Alia

=C2=A0 =C2=A0 thanks,
=C2=A0 =C2=A0 Peter





=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Minor:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A04) Sec 2.3: &= quot;Label Range Base: A 3 octet field, where
=C2=A0 =C2=A0 =C2=A0 =C2=A0 the 20
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0rightmost
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0bits represen= t the first label in the label range."
=C2=A0 =C2=A0 =C2=A0 =C2=A0 What about
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0the top
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A04 bits?=C2=A0= Are they Must Be Zero (MBZ)?=C2=A0 How about making
=C2=A0 =C2=A0 =C2=A0 =C2=A0 that
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0explicit?
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Are they pote= ntial future flags?/


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0top for bits are ignored. I= 'll spell that out explicitly.


=C2=A0 =C2=A0 =C2=A0 =C2=A0 Sounds good.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 I look forward to getting these from the WG.=C2= =A0 If I can put them into
=C2=A0 =C2=A0 =C2=A0 =C2=A0 IETF Last Call by the end of the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 week, then we can have them on the Oct 26 telec= hat and hopefully
=C2=A0 =C2=A0 =C2=A0 =C2=A0 approved before IETF 100.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 Regards,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Alia

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0thanks,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Peter


=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Thanks,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Alia

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Thu, 5 Oct 2017 04:05:32 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Dan Romascanu To: Cc: draft-ietf-ospf-segment-routing-extensions.all@ietf.org, ietf@ietf.org, ospf@ietf.org, dromasca@gmail.com X-Test-IDTracker: no X-IETF-IDTracker: 6.63.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <150720153207.1342.7778064227193146950@ietfa.amsl.com> Date: Thu, 05 Oct 2017 04:05:32 -0700 Archived-At: Subject: [OSPF] Genart last call review of draft-ietf-ospf-segment-routing-extensions-19 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Oct 2017 11:05:32 -0000 Reviewer: Dan Romascanu Review result: Ready with Issues I am the assigned Gen-ART reviewer for this draft. The General Area Review Team (Gen-ART) reviews all IETF documents being processed by the IESG for the IETF Chair. Please treat these comments just like any other last call comments. For more information, please see the FAQ at . Document: draft-ietf-ospf-segment-routing-extensions-19 Reviewer: Dan Romascanu Review Date: 2017-10-05 IETF LC End Date: 2017-10-13 IESG Telechat date: Not scheduled for a telechat Summary: A useful and well-written document. It requires previous reading and understanding of OSPF, SPRING and other routing work. It is Ready for publication. I found some unclear minor issues. I recommend to address them before approval and publication. Major issues: Minor issues: 1. I am wondering why, at this stage of progress of the document, the type values are still 'TBD, suggested value x'. Is there any other document defining this? 2. Section 3.1 - are there other algorithms planned to be added in the future? If yes, do we need a registry? If no, what is this field an octet? 3. It would be useful to mention that the Length fields are expressed in Octets. Also please clarify if padding is applied or not. 4. Section 3.3: 'The originating router MUST NOT advertise overlapping ranges.' How are conflicts resolved at receiver? 5. I like Section 9 - Implementation Status - which I found rather useful. Is there any chance to keep a trimmed down version of it, with synthetic information on the lines of 'at the time the document was discussed a survey was run, it showed that there were x implementation, y were implementing the full specification, z were included in released production software ....' 6. Section 10 - beyond recommending the counting and logging of the mal-formed TLVs and sub-TLVs, should not supplementary security recommendations be made? for example - throttling mechanisms to preempt DoS attacks. 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Please reply to the list with your = comments. As usual note we cannot advance the draft without = participation from the group. Please get your comments in before October = 20, 2017. We previously had a WGLC for version -04, = https://www.ietf.org/mail-archive/web/idr/current/msg18151.html, which = failed to achieve consensus largely due to lack of participation. Since = then there have been several revisions to the document and active = discussion, so I hope we'll have better engagement this time and will be = able to conclude this WGLC. I especially hope we can proceed forward = since drafts in both OSPF and BESS normatively reference this draft, for = this reason I've cc'd both the OSPF and BESS mailing lists. The authors have already confirmed IPR during the previous last call, so = we won't require that again. Of course, if there have been any changes = to IPR status since -04, please do make the necessary disclosures. https://tools.ietf.org/html/draft-ietf-idr-tunnel-encaps-07 Thanks, --John= From nobody Fri Oct 6 11:39:32 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5FE52134BB3; Fri, 6 Oct 2017 11:39:27 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.021 X-Spam-Level: X-Spam-Status: No, score=-2.021 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=juniper.net Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CeRKRm31iCQ9; 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Please reply to the list with your = comments. As usual note we cannot advance the draft without = participation from the group. Please get your comments in before October = 20, 2017. We previously had a WGLC for version -04, = https://www.ietf.org/mail-archive/web/idr/current/msg18151.html, which = failed to achieve consensus largely due to lack of participation. Since = then there have been several revisions to the document and active = discussion, so I hope we'll have better engagement this time and will be = able to conclude this WGLC. I especially hope we can proceed forward = since drafts in both OSPF and BESS normatively reference this draft, for = this reason I've cc'd both the OSPF and BESS mailing lists. The authors have already confirmed IPR during the previous last call, so = we won't require that again. Of course, if there have been any changes = to IPR status since -04, please do make the necessary disclosures. https://tools.ietf.org/html/draft-ietf-idr-tunnel-encaps-07 Thanks, --John= From nobody Fri Oct 6 15:55:19 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A526A132F7C; Fri, 6 Oct 2017 15:55:01 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.52 X-Spam-Level: X-Spam-Status: No, score=-14.52 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id oA9H7et_OYat; 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d="scan'208";a="13167603" Received: from alln-core-12.cisco.com ([173.36.13.134]) by alln-iport-7.cisco.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 06 Oct 2017 22:54:58 +0000 Received: from XCH-RTP-013.cisco.com (xch-rtp-013.cisco.com [64.101.220.153]) by alln-core-12.cisco.com (8.14.5/8.14.5) with ESMTP id v96MsvvF005411 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Fri, 6 Oct 2017 22:54:58 GMT Received: from xch-rtp-015.cisco.com (64.101.220.155) by XCH-RTP-013.cisco.com (64.101.220.153) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Fri, 6 Oct 2017 18:54:57 -0400 Received: from xch-rtp-015.cisco.com ([64.101.220.155]) by XCH-RTP-015.cisco.com ([64.101.220.155]) with mapi id 15.00.1320.000; Fri, 6 Oct 2017 18:54:57 -0400 From: "Acee Lindem (acee)" To: Dan Romascanu , "gen-art@ietf.org" CC: "draft-ietf-ospf-segment-routing-extensions.all@ietf.org" , "ietf@ietf.org" , "ospf@ietf.org" Thread-Topic: [OSPF] Genart last call review of draft-ietf-ospf-segment-routing-extensions-19 Thread-Index: AQHTPcn1wlE7EWN+70O+s2iOU8SMBaLXOxIA Date: Fri, 6 Oct 2017 22:54:57 +0000 Message-ID: References: <150720153207.1342.7778064227193146950@ietfa.amsl.com> In-Reply-To: <150720153207.1342.7778064227193146950@ietfa.amsl.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.196] Content-Type: text/plain; charset="utf-8" Content-ID: <30546932A32C5A4094FDCCA49D93C6A7@emea.cisco.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] Genart last call review of draft-ietf-ospf-segment-routing-extensions-19 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Oct 2017 22:55:02 -0000 DQoNCk9uIDEwLzUvMTcsIDc6MDUgQU0sICJPU1BGIG9uIGJlaGFsZiBvZiBEYW4gUm9tYXNjYW51 Ig0KPG9zcGYtYm91bmNlc0BpZXRmLm9yZyBvbiBiZWhhbGYgb2YgZHJvbWFzY2FAZ21haWwuY29t PiB3cm90ZToNCg0KPlJldmlld2VyOiBEYW4gUm9tYXNjYW51DQo+UmV2aWV3IHJlc3VsdDogUmVh ZHkgd2l0aCBJc3N1ZXMNCj4NCj5JIGFtIHRoZSBhc3NpZ25lZCBHZW4tQVJUIHJldmlld2VyIGZv ciB0aGlzIGRyYWZ0LiBUaGUgR2VuZXJhbCBBcmVhDQo+UmV2aWV3IFRlYW0gKEdlbi1BUlQpIHJl dmlld3MgYWxsIElFVEYgZG9jdW1lbnRzIGJlaW5nIHByb2Nlc3NlZA0KPmJ5IHRoZSBJRVNHIGZv ciB0aGUgSUVURiBDaGFpci4gIFBsZWFzZSB0cmVhdCB0aGVzZSBjb21tZW50cyBqdXN0DQo+bGlr ZSBhbnkgb3RoZXIgbGFzdCBjYWxsIGNvbW1lbnRzLg0KPg0KPkZvciBtb3JlIGluZm9ybWF0aW9u LCBwbGVhc2Ugc2VlIHRoZSBGQVEgYXQNCj4NCj48aHR0cHM6Ly90cmFjLmlldGYub3JnL3RyYWMv Z2VuL3dpa2kvR2VuQXJ0ZmFxPi4NCj4NCj5Eb2N1bWVudDogZHJhZnQtaWV0Zi1vc3BmLXNlZ21l bnQtcm91dGluZy1leHRlbnNpb25zLTE5DQo+UmV2aWV3ZXI6IERhbiBSb21hc2NhbnUNCj5SZXZp ZXcgRGF0ZTogMjAxNy0xMC0wNQ0KPklFVEYgTEMgRW5kIERhdGU6IDIwMTctMTAtMTMNCj5JRVNH IFRlbGVjaGF0IGRhdGU6IE5vdCBzY2hlZHVsZWQgZm9yIGEgdGVsZWNoYXQNCj4NCj5TdW1tYXJ5 Og0KPg0KPkEgdXNlZnVsIGFuZCB3ZWxsLXdyaXR0ZW4gZG9jdW1lbnQuIEl0IHJlcXVpcmVzIHBy ZXZpb3VzIHJlYWRpbmcgYW5kDQo+dW5kZXJzdGFuZGluZyBvZiBPU1BGLCBTUFJJTkcgYW5kIG90 aGVyIHJvdXRpbmcgd29yay4gSXQgaXMgUmVhZHkgZm9yDQo+cHVibGljYXRpb24uIEkgZm91bmQg c29tZSB1bmNsZWFyIG1pbm9yIGlzc3Vlcy4gSSByZWNvbW1lbmQgdG8gYWRkcmVzcw0KPnRoZW0N Cj5iZWZvcmUgYXBwcm92YWwgYW5kIHB1YmxpY2F0aW9uLg0KPg0KPk1ham9yIGlzc3VlczoNCj4N Cj5NaW5vciBpc3N1ZXM6DQo+DQo+MS4gSSBhbSB3b25kZXJpbmcgd2h5LCBhdCB0aGlzIHN0YWdl IG9mIHByb2dyZXNzIG9mIHRoZSBkb2N1bWVudCwgdGhlIHR5cGUNCj52YWx1ZXMgYXJlIHN0aWxs ICdUQkQsIHN1Z2dlc3RlZCB2YWx1ZSB4Jy4gSXMgdGhlcmUgYW55IG90aGVyIGRvY3VtZW50DQo+ ZGVmaW5pbmcNCj50aGlzPw0KPg0KPjIuIFNlY3Rpb24gMy4xIC0gYXJlIHRoZXJlIG90aGVyIGFs Z29yaXRobXMgcGxhbm5lZCB0byBiZSBhZGRlZCBpbiB0aGUNCj5mdXR1cmU/DQo+SWYgeWVzLCBk byB3ZSBuZWVkIGEgcmVnaXN0cnk/IElmIG5vLCB3aGF0IGlzIHRoaXMgZmllbGQgYW4gb2N0ZXQ/ DQo+DQo+My4gSXQgd291bGQgYmUgdXNlZnVsIHRvIG1lbnRpb24gdGhhdCB0aGUgTGVuZ3RoIGZp ZWxkcyBhcmUgZXhwcmVzc2VkIGluDQo+T2N0ZXRzLiBBbHNvIHBsZWFzZSBjbGFyaWZ5IGlmIHBh ZGRpbmcgaXMgYXBwbGllZCBvciBub3QuDQo+DQo+NC4gU2VjdGlvbiAzLjM6DQo+DQo+J1RoZSBv cmlnaW5hdGluZyByb3V0ZXIgTVVTVCBOT1QgYWR2ZXJ0aXNlIG92ZXJsYXBwaW5nIHJhbmdlcy4n DQo+DQo+SG93IGFyZSBjb25mbGljdHMgcmVzb2x2ZWQgYXQgcmVjZWl2ZXI/DQo+DQo+NS4gSSBs aWtlIFNlY3Rpb24gOSAtIEltcGxlbWVudGF0aW9uIFN0YXR1cyAtIHdoaWNoIEkgZm91bmQgcmF0 aGVyDQo+dXNlZnVsLiBJcw0KPnRoZXJlIGFueSBjaGFuY2UgdG8ga2VlcCBhIHRyaW1tZWQgZG93 biB2ZXJzaW9uIG9mIGl0LCB3aXRoIHN5bnRoZXRpYw0KPmluZm9ybWF0aW9uIG9uIHRoZSBsaW5l cyBvZiAnYXQgdGhlIHRpbWUgdGhlIGRvY3VtZW50IHdhcyBkaXNjdXNzZWQgYQ0KPnN1cnZleQ0K PndhcyBydW4sIGl0IHNob3dlZCB0aGF0IHRoZXJlIHdlcmUgeCBpbXBsZW1lbnRhdGlvbiwgeSB3 ZXJlIGltcGxlbWVudGluZw0KPnRoZQ0KPmZ1bGwgc3BlY2lmaWNhdGlvbiwgeiB3ZXJlIGluY2x1 ZGVkIGluIHJlbGVhc2VkIHByb2R1Y3Rpb24gc29mdHdhcmUgLi4uLicNCj4NCj42LiBTZWN0aW9u IDEwIC0gYmV5b25kIHJlY29tbWVuZGluZyB0aGUgY291bnRpbmcgYW5kIGxvZ2dpbmcgb2YgdGhl DQo+bWFsLWZvcm1lZA0KPlRMVnMgYW5kIHN1Yi1UTFZzLCBzaG91bGQgbm90IHN1cHBsZW1lbnRh cnkgc2VjdXJpdHkgcmVjb21tZW5kYXRpb25zIGJlDQo+bWFkZT8NCj5mb3IgZXhhbXBsZSAtIHRo cm90dGxpbmcgbWVjaGFuaXNtcyB0byBwcmVlbXB0IERvUyBhdHRhY2tzLg0KDQpUaGUgZ2VuZXJp YyBPU1BGdjIgc2VjdXJpdHkgY29uc2lkZXJhdGlvbnMgYXJlIHJlZmVyZW5jZWQgYXMgd2VsbC4g Q2FuIHlvdQ0KYmUgc3BlY2lmaWMgYXMgdG8gd2h5IHlvdSB0aGluayB0aGVyZSBhZGRpdGlvbmFs IGNvbnNpZGVyYXRpb25zIHNwZWNpZmljDQp0byB0aGVzZSBleHRlbnNpb25zPyBQZXJoYXBzLCB3 ZSBzaG91bGQgc3RhcnQgd29yayBvbiBhIGdlbmVyaWMgSUdQDQpwcm90b2NvbCBzZWN1cml0eSBj b25zaWRlcmF0aW9ucyBkb2N1bWVudCB0aGF0IGlzIG1vcmUgY29tcHJlaGVuc2l2ZSB0aGFuDQp3 aGF0IHdlIGhhdmUgZG9uZSBiZWZvcmUuDQoNClRoYW5rcywNCkFjZWUNCg0KDQo+DQo+Tml0cy9l ZGl0b3JpYWwgY29tbWVudHM6DQo+DQo+DQo+X19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18NCj5PU1BGIG1haWxpbmcgbGlzdA0KPk9TUEZAaWV0Zi5vcmcNCj5o dHRwczovL3d3dy5pZXRmLm9yZy9tYWlsbWFuL2xpc3RpbmZvL29zcGYNCg0K From nobody Fri Oct 6 22:57:53 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 68A4A1321A1; 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Fri, 06 Oct 2017 22:57:30 -0700 (PDT) MIME-Version: 1.0 Received: by 10.140.40.164 with HTTP; Fri, 6 Oct 2017 22:57:29 -0700 (PDT) In-Reply-To: References: <150720153207.1342.7778064227193146950@ietfa.amsl.com> From: Dan Romascanu Date: Sat, 7 Oct 2017 08:57:29 +0300 Message-ID: To: "Acee Lindem (acee)" Cc: "gen-art@ietf.org" , "draft-ietf-ospf-segment-routing-extensions.all@ietf.org" , "ietf@ietf.org" , "ospf@ietf.org" Content-Type: multipart/alternative; boundary="94eb2c05d50efff4ac055aeea144" Archived-At: Subject: Re: [OSPF] Genart last call review of draft-ietf-ospf-segment-routing-extensions-19 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 07 Oct 2017 05:57:36 -0000 --94eb2c05d50efff4ac055aeea144 Content-Type: text/plain; charset="UTF-8" Hi Acee, Thank you for your response and for addressing my comments. I do not disagree that a generic IGP protocol security considerations document may be useful, but I do not believe that this document should be dependent upon it. My observation was related to the last paragraph of the Security Considerations document. It seems to me that non-mandatory counting or logging of malformed TLVs or Sub-TLVs may not be sufficient to protect against a large scale DoS attack. Regards, Dan On Sat, Oct 7, 2017 at 1:54 AM, Acee Lindem (acee) wrote: > > > On 10/5/17, 7:05 AM, "OSPF on behalf of Dan Romascanu" > wrote: > > >Reviewer: Dan Romascanu > >Review result: Ready with Issues > > > >I am the assigned Gen-ART reviewer for this draft. The General Area > >Review Team (Gen-ART) reviews all IETF documents being processed > >by the IESG for the IETF Chair. Please treat these comments just > >like any other last call comments. > > > >For more information, please see the FAQ at > > > >. > > > >Document: draft-ietf-ospf-segment-routing-extensions-19 > >Reviewer: Dan Romascanu > >Review Date: 2017-10-05 > >IETF LC End Date: 2017-10-13 > >IESG Telechat date: Not scheduled for a telechat > > > >Summary: > > > >A useful and well-written document. It requires previous reading and > >understanding of OSPF, SPRING and other routing work. It is Ready for > >publication. I found some unclear minor issues. I recommend to address > >them > >before approval and publication. > > > >Major issues: > > > >Minor issues: > > > >1. I am wondering why, at this stage of progress of the document, the type > >values are still 'TBD, suggested value x'. Is there any other document > >defining > >this? > > > >2. Section 3.1 - are there other algorithms planned to be added in the > >future? > >If yes, do we need a registry? If no, what is this field an octet? > > > >3. It would be useful to mention that the Length fields are expressed in > >Octets. Also please clarify if padding is applied or not. > > > >4. Section 3.3: > > > >'The originating router MUST NOT advertise overlapping ranges.' > > > >How are conflicts resolved at receiver? > > > >5. I like Section 9 - Implementation Status - which I found rather > >useful. Is > >there any chance to keep a trimmed down version of it, with synthetic > >information on the lines of 'at the time the document was discussed a > >survey > >was run, it showed that there were x implementation, y were implementing > >the > >full specification, z were included in released production software ....' > > > >6. Section 10 - beyond recommending the counting and logging of the > >mal-formed > >TLVs and sub-TLVs, should not supplementary security recommendations be > >made? > >for example - throttling mechanisms to preempt DoS attacks. > > The generic OSPFv2 security considerations are referenced as well. Can you > be specific as to why you think there additional considerations specific > to these extensions? Perhaps, we should start work on a generic IGP > protocol security considerations document that is more comprehensive than > what we have done before. > > Thanks, > Acee > > > > > >Nits/editorial comments: > > > > > >_______________________________________________ > >OSPF mailing list > >OSPF@ietf.org > >https://www.ietf.org/mailman/listinfo/ospf > > --94eb2c05d50efff4ac055aeea144 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Acee,

Thank you for your re= sponse and for addressing my comments. I do not disagree that a generic IGP= protocol security considerations document may be useful, but I do not beli= eve that this document should be dependent upon it. My observation was rela= ted to the last paragraph of the Security Considerations document. It seems= to me that non-mandatory counting or logging of malformed TLVs or Sub-TLVs= may not be sufficient to protect against a large scale DoS attack.
Regards,

Dan

<= br>
On Sat, Oct 7, 2017 at 1:54 AM, Acee Lindem (= acee) <acee@cisco.com> wrote:


On 10/5/17, 7:05 AM, "OSPF on behalf of Dan Romascanu"
<ospf-bo= unces@ietf.org on behalf of droma= sca@gmail.com> wrote:

>Reviewer: Dan Romascanu
>Review result: Ready with Issues
>
>I am the assigned Gen-ART reviewer for this draft. The General Area
>Review Team (Gen-ART) reviews all IETF documents being processed
>by the IESG for the IETF Chair.=C2=A0 Please treat these comments just<= br> >like any other last call comments.
>
>For more information, please see the FAQ at
>
><https://trac.ietf.org/trac/gen/wiki/GenArt= faq>.
>
>Document: draft-ietf-ospf-segment-routing-extensions-19
>Reviewer: Dan Romascanu
>Review Date: 2017-10-05
>IETF LC End Date: 2017-10-13
>IESG Telechat date: Not scheduled for a telechat
>
>Summary:
>
>A useful and well-written document. It requires previous reading and >understanding of OSPF, SPRING and other routing work. It is Ready for >publication. I found some unclear minor issues. I recommend to address<= br> >them
>before approval and publication.
>
>Major issues:
>
>Minor issues:
>
>1. I am wondering why, at this stage of progress of the document, the t= ype
>values are still 'TBD, suggested value x'. Is there any other d= ocument
>defining
>this?
>
>2. Section 3.1 - are there other algorithms planned to be added in the<= br> >future?
>If yes, do we need a registry? If no, what is this field an octet?
>
>3. It would be useful to mention that the Length fields are expressed i= n
>Octets. Also please clarify if padding is applied or not.
>
>4. Section 3.3:
>
>'The originating router MUST NOT advertise overlapping ranges.'=
>
>How are conflicts resolved at receiver?
>
>5. I like Section 9 - Implementation Status - which I found rather
>useful. Is
>there any chance to keep a trimmed down version of it, with synthetic >information on the lines of 'at the time the document was discussed= a
>survey
>was run, it showed that there were x implementation, y were implementin= g
>the
>full specification, z were included in released production software ...= .'
>
>6. Section 10 - beyond recommending the counting and logging of the
>mal-formed
>TLVs and sub-TLVs, should not supplementary security recommendations be=
>made?
>for example - throttling mechanisms to preempt DoS attacks.

The generic OSPFv2 security considerations are referenced as we= ll. Can you
be specific as to why you think there additional considerations specific to these extensions? Perhaps, we should start work on a generic IGP
protocol security considerations document that is more comprehensive than what we have done before.

Thanks,
Acee


>
>Nits/editorial comments:
>
>
>_______________________________________________
>OSPF mailing list
>OSPF@ietf.org
>https://www.ietf.org/mailman/listinfo/ospf

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Lindem (acee)" To: Dan Romascanu CC: "gen-art@ietf.org" , "draft-ietf-ospf-segment-routing-extensions.all@ietf.org" , "ietf@ietf.org" , "ospf@ietf.org" Thread-Topic: [OSPF] Genart last call review of draft-ietf-ospf-segment-routing-extensions-19 Thread-Index: AQHTPcn1wlE7EWN+70O+s2iOU8SMBaLXOxIAgADuuYCAAgydgA== Date: Sun, 8 Oct 2017 17:15:19 +0000 Message-ID: References: <150720153207.1342.7778064227193146950@ietfa.amsl.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.195] Content-Type: multipart/alternative; boundary="_000_D5FFD4B8CDAF3aceeciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] Genart last call review of draft-ietf-ospf-segment-routing-extensions-19 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , 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Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id A495E13451F; Mon, 9 Oct 2017 05:30:23 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: ospf@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.63.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <150755222360.18344.1168611368125522231@ietfa.amsl.com> Date: Mon, 09 Oct 2017 05:30:23 -0700 Archived-At: Subject: [OSPF] I-D Action: draft-ietf-ospf-ospfv3-lsa-extend-15.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Oct 2017 12:30:24 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP WG of the IETF. Title : OSPFv3 LSA Extendibility Authors : Acee Lindem Abhay Roy Dirk Goethals Veerendranatha Reddy Vallem Fred Baker Filename : draft-ietf-ospf-ospfv3-lsa-extend-15.txt Pages : 37 Date : 2017-10-09 Abstract: OSPFv3 requires functional extension beyond what can readily be done with the fixed-format Link State Advertisement (LSA) as described in RFC 5340. Without LSA extension, attributes associated with OSPFv3 links and advertised IPv6 prefixes must be advertised in separate LSAs and correlated to the fixed-format LSAs. This document extends the LSA format by encoding the existing OSPFv3 LSA information in Type-Length-Value (TLV) tuples and allowing advertisement of additional information with additional TLVs. Backward compatibility mechanisms are also described. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-ospfv3-lsa-extend/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-ospf-ospfv3-lsa-extend-15 https://datatracker.ietf.org/doc/html/draft-ietf-ospf-ospfv3-lsa-extend-15 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-ospfv3-lsa-extend-15 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. 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Mon, 09 Oct 2017 10:58:41 -0700 (PDT) MIME-Version: 1.0 Received: by 10.140.40.164 with HTTP; Mon, 9 Oct 2017 10:58:41 -0700 (PDT) In-Reply-To: References: <150720153207.1342.7778064227193146950@ietfa.amsl.com> From: Dan Romascanu Date: Mon, 9 Oct 2017 20:58:41 +0300 Message-ID: To: "Acee Lindem (acee)" Cc: "gen-art@ietf.org" , "draft-ietf-ospf-segment-routing-extensions.all@ietf.org" , "ietf@ietf.org" , "ospf@ietf.org" Content-Type: multipart/alternative; boundary="001a1146f28edf37e0055b20f0cd" Archived-At: Subject: Re: [OSPF] Genart last call review of draft-ietf-ospf-segment-routing-extensions-19 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Oct 2017 17:58:45 -0000 --001a1146f28edf37e0055b20f0cd Content-Type: text/plain; charset="UTF-8" Hi Acee, Indeed, that was the intention of my comment. Thanks and Regards, Dan On Sun, Oct 8, 2017 at 8:15 PM, Acee Lindem (acee) wrote: > Hi Dan, > > Can you elaborate on how the OSPFv2 segment routing extensions in the > draft make the protocol more susceptible to a DDoS attack? Is this with > respect to logging the occurrence of malformed TLVs or Sub-TLVs? If so, > that can be added. > > Thanks, > Acee > > From: Dan Romascanu > Date: Saturday, October 7, 2017 at 1:57 AM > To: Acee Lindem > Cc: "gen-art@ietf.org" , "draft-ietf-ospf-segment- > routing-extensions.all@ietf.org" routing-extensions.all@ietf.org>, "ietf@ietf.org" , OSPF > WG List > Subject: Re: [OSPF] Genart last call review of draft-ietf-ospf-segment- > routing-extensions-19 > > Hi Acee, > > Thank you for your response and for addressing my comments. I do not > disagree that a generic IGP protocol security considerations document may > be useful, but I do not believe that this document should be dependent upon > it. My observation was related to the last paragraph of the Security > Considerations document. It seems to me that non-mandatory counting or > logging of malformed TLVs or Sub-TLVs may not be sufficient to protect > against a large scale DoS attack. > > Regards, > > Dan > > > On Sat, Oct 7, 2017 at 1:54 AM, Acee Lindem (acee) wrote: > >> >> >> On 10/5/17, 7:05 AM, "OSPF on behalf of Dan Romascanu" >> wrote: >> >> >Reviewer: Dan Romascanu >> >Review result: Ready with Issues >> > >> >I am the assigned Gen-ART reviewer for this draft. The General Area >> >Review Team (Gen-ART) reviews all IETF documents being processed >> >by the IESG for the IETF Chair. Please treat these comments just >> >like any other last call comments. >> > >> >For more information, please see the FAQ at >> > >> >. >> > >> >Document: draft-ietf-ospf-segment-routing-extensions-19 >> >Reviewer: Dan Romascanu >> >Review Date: 2017-10-05 >> >IETF LC End Date: 2017-10-13 >> >IESG Telechat date: Not scheduled for a telechat >> > >> >Summary: >> > >> >A useful and well-written document. It requires previous reading and >> >understanding of OSPF, SPRING and other routing work. It is Ready for >> >publication. I found some unclear minor issues. I recommend to address >> >them >> >before approval and publication. >> > >> >Major issues: >> > >> >Minor issues: >> > >> >1. I am wondering why, at this stage of progress of the document, the >> type >> >values are still 'TBD, suggested value x'. Is there any other document >> >defining >> >this? >> > >> >2. Section 3.1 - are there other algorithms planned to be added in the >> >future? >> >If yes, do we need a registry? If no, what is this field an octet? >> > >> >3. It would be useful to mention that the Length fields are expressed in >> >Octets. Also please clarify if padding is applied or not. >> > >> >4. Section 3.3: >> > >> >'The originating router MUST NOT advertise overlapping ranges.' >> > >> >How are conflicts resolved at receiver? >> > >> >5. I like Section 9 - Implementation Status - which I found rather >> >useful. Is >> >there any chance to keep a trimmed down version of it, with synthetic >> >information on the lines of 'at the time the document was discussed a >> >survey >> >was run, it showed that there were x implementation, y were implementing >> >the >> >full specification, z were included in released production software ....' >> > >> >6. Section 10 - beyond recommending the counting and logging of the >> >mal-formed >> >TLVs and sub-TLVs, should not supplementary security recommendations be >> >made? >> >for example - throttling mechanisms to preempt DoS attacks. >> >> The generic OSPFv2 security considerations are referenced as well. Can you >> be specific as to why you think there additional considerations specific >> to these extensions? Perhaps, we should start work on a generic IGP >> protocol security considerations document that is more comprehensive than >> what we have done before. >> >> Thanks, >> Acee >> >> >> > >> >Nits/editorial comments: >> > >> > >> >_______________________________________________ >> >OSPF mailing list >> >OSPF@ietf.org >> >https://www.ietf.org/mailman/listinfo/ospf >> >> > --001a1146f28edf37e0055b20f0cd Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Acee,

Indeed, that was the = intention of my comment.

Thanks and Regards,

Dan=


On = Sun, Oct 8, 2017 at 8:15 PM, Acee Lindem (acee) <acee@cisco.com> wrote:
Hi Dan,

Can you elaborate on how the OSPFv2 segment routing extensions in the = draft make the protocol more susceptible to a DDoS attack? Is this with res= pect to logging the occurrence of malformed TLVs or Sub-TLVs? If so, that c= an be added.

Thanks,
Acee

From: Dan Romascanu <dromasca@gmail.com>
Date: Saturday, October 7, 2017 at = 1:57 AM
To: Acee Lindem <acee@cisco.com>
Cc: "gen-art@ietf.org" <gen-art@ietf.org>, "draft-ietf-ospf-segment-routing-extensions.all@ietf.org" <draft-ietf-ospf-segment-routing-extensions.all@= ietf.org>, "ietf@ietf.org" <ietf@ietf.org>, OSPF WG List <ospf@ietf.org>
Subject: Re: [OSPF] Genart last cal= l review of draft-ietf-ospf-segment-routing-extensions-19

Hi Acee,

Thank you for your response and for addressing my comments. I do not disagr= ee that a generic IGP protocol security considerations document may be usef= ul, but I do not believe that this document should be dependent upon it. My= observation was related to the last paragraph of the Security Considerations document. It seems to me tha= t non-mandatory counting or logging of malformed TLVs or Sub-TLVs may not b= e sufficient to protect against a large scale DoS attack.

Regards,

Dan


On Sat, Oct 7, 2017 at 1:54 AM, Acee Lindem (ace= e) <acee@cisco.com&= gt; wrote:


On 10/5/17, 7:05 AM, "OSPF on behalf of Dan Romascanu"
<ospf-bounces@ietf.org on behalf of dromasca@gmail.com<= /a>> wrote:

>Reviewer: Dan Romascanu
>Review result: Ready with Issues
>
>I am the assigned Gen-ART reviewer for this draft. The General Area
>Review Team (Gen-ART) reviews all IETF documents being processed
>by the IESG for the IETF Chair.=C2=A0 Please treat these comments just<= br> >like any other last call comments.
>
>For more information, please see the FAQ at
>
><https://trac.ietf.org/trac/gen/wiki/GenArt= faq>.
>
>Document: draft-ietf-ospf-segment-routing-extensions-19
>Reviewer: Dan Romascanu
>Review Date: 2017-10-05
>IETF LC End Date: 2017-10-13
>IESG Telechat date: Not scheduled for a telechat
>
>Summary:
>
>A useful and well-written document. It requires previous reading and >understanding of OSPF, SPRING and other routing work. It is Ready for >publication. I found some unclear minor issues. I recommend to address<= br> >them
>before approval and publication.
>
>Major issues:
>
>Minor issues:
>
>1. I am wondering why, at this stage of progress of the document, the t= ype
>values are still 'TBD, suggested value x'. Is there any other d= ocument
>defining
>this?
>
>2. Section 3.1 - are there other algorithms planned to be added in the<= br> >future?
>If yes, do we need a registry? If no, what is this field an octet?
>
>3. It would be useful to mention that the Length fields are expressed i= n
>Octets. Also please clarify if padding is applied or not.
>
>4. Section 3.3:
>
>'The originating router MUST NOT advertise overlapping ranges.'=
>
>How are conflicts resolved at receiver?
>
>5. I like Section 9 - Implementation Status - which I found rather
>useful. Is
>there any chance to keep a trimmed down version of it, with synthetic >information on the lines of 'at the time the document was discussed= a
>survey
>was run, it showed that there were x implementation, y were implementin= g
>the
>full specification, z were included in released production software ...= .'
>
>6. Section 10 - beyond recommending the counting and logging of the
>mal-formed
>TLVs and sub-TLVs, should not supplementary security recommendations be=
>made?
>for example - throttling mechanisms to preempt DoS attacks.

The generic OSPFv2 security considerations are referenced as well. Can you<= br> be specific as to why you think there additional considerations specific to these extensions? Perhaps, we should start work on a generic IGP
protocol security considerations document that is more comprehensive than what we have done before.

Thanks,
Acee


>
>Nits/editorial comments:
>
>
>_______________________________________________
>OSPF mailing list
>OSPF@ietf.org >https://www.ietf.org/mailman/listinfo/ospf


--001a1146f28edf37e0055b20f0cd-- From nobody Mon Oct 9 11:16:58 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id F2EC6134765; Mon, 9 Oct 2017 11:16:43 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.801 X-Spam-Level: X-Spam-Status: No, score=-4.801 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-2.8, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=juniper.net Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kb_LcmnmxKBF; Mon, 9 Oct 2017 11:16:41 -0700 (PDT) Received: from NAM03-DM3-obe.outbound.protection.outlook.com (mail-dm3nam03on0134.outbound.protection.outlook.com [104.47.41.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7C778133059; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: juniper.net X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Oct 2017 18:16:39.6463 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: bea78b3c-4cdb-4130-854a-1d193232e5f4 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO2PR05MB2503 Archived-At: Subject: Re: [OSPF] [bess] WGLC for draft-ietf-idr-tunnel-encaps-07 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Oct 2017 18:16:44 -0000 Support. A truly useful document that has already been used by a multiplic= ity of other drafts. Yours Irrespectively, John > -----Original Message----- > From: BESS [mailto:bess-bounces@ietf.org] On Behalf Of John Scudder > Sent: Friday, October 6, 2017 2:39 PM > To: idr@ietf.org > Cc: ospf@ietf.org; draft-ietf-idr-tunnel-encaps@ietf.org; bess@ietf.org > Subject: [bess] WGLC for draft-ietf-idr-tunnel-encaps-07 >=20 > [resending with corrected draft alias in cc, sorry about that] >=20 > Hi All, >=20 > A working group last call has been requested for draft-ietf-idr-tunnel-en= caps- > 07. Please reply to the list with your comments. As usual note we cannot > advance the draft without participation from the group. Please get your > comments in before October 20, 2017. >=20 > We previously had a WGLC for version -04, > https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.ietf.org_mail- > 2Darchive_web_idr_current_msg18151.html&d=3DDwICAg&c=3DHAkYuh63rsuhr6Sc > bfh0UjBXeMK-ndb3voDTXcWzoCI&r=3DCRB2tJiQePk0cT-h5LGhEWH- > s_xXXup3HzvBSMRj5VE&m=3D2lBrJKCsEOnplL1EXFV5g4pIcz_tUOWsuQnWRiHAYf > U&s=3DHfNVHm9qwDABpo8_2P1gNv7RT6xypg1nPM6XNJTOhYI&e=3D , which > failed to achieve consensus largely due to lack of participation. Since t= hen > there have been several revisions to the document and active discussion, = so I > hope we'll have better engagement this time and will be able to conclude = this > WGLC. I especially hope we can proceed forward since drafts in both OSPF = and > BESS normatively reference this draft, for this reason I've cc'd both the= OSPF > and BESS mailing lists. >=20 > The authors have already confirmed IPR during the previous last call, so = we > won't require that again. Of course, if there have been any changes to IP= R > status since -04, please do make the necessary disclosures. >=20 > https://urldefense.proofpoint.com/v2/url?u=3Dhttps- > 3A__tools.ietf.org_html_draft-2Dietf-2Didr-2Dtunnel-2Dencaps- > 2D07&d=3DDwICAg&c=3DHAkYuh63rsuhr6Scbfh0UjBXeMK- > ndb3voDTXcWzoCI&r=3DCRB2tJiQePk0cT-h5LGhEWH- > s_xXXup3HzvBSMRj5VE&m=3D2lBrJKCsEOnplL1EXFV5g4pIcz_tUOWsuQnWRiHAYf > U&s=3Dkqiy1m8WEpHg1ooJCoK2Z3GlDgKuEBX8qyfHZ25J-5c&e=3D >=20 > Thanks, >=20 > --John > _______________________________________________ > BESS mailing list > BESS@ietf.org > https://urldefense.proofpoint.com/v2/url?u=3Dhttps- > 3A__www.ietf.org_mailman_listinfo_bess&d=3DDwICAg&c=3DHAkYuh63rsuhr6Scbf > h0UjBXeMK-ndb3voDTXcWzoCI&r=3DCRB2tJiQePk0cT-h5LGhEWH- > s_xXXup3HzvBSMRj5VE&m=3D2lBrJKCsEOnplL1EXFV5g4pIcz_tUOWsuQnWRiHAYf > U&s=3DZo-6kPCgDPDGvZQryohZDAlaQjFtKgUTkjsXtsCgkyc&e=3D From nobody Mon Oct 9 11:36:45 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: 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"draft-ietf-ospf-segment-routing-extensions.all@ietf.org" , "ietf@ietf.org" , "ospf@ietf.org" Thread-Topic: [OSPF] Genart last call review of draft-ietf-ospf-segment-routing-extensions-19 Thread-Index: AQHTPcn1wlE7EWN+70O+s2iOU8SMBaLXOxIAgADuuYCAAgydgIAB4Y2A///gJoA= Date: Mon, 9 Oct 2017 20:04:51 +0000 Message-ID: References: <150720153207.1342.7778064227193146950@ietfa.amsl.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.195] Content-Type: multipart/alternative; boundary="_000_D6014E7ECDD6Eaceeciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] Genart last call review of draft-ietf-ospf-segment-routing-extensions-19 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: 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--_000_D6014E7ECDD6Eaceeciscocom_-- From nobody Tue Oct 10 05:05:35 2017 Return-Path: X-Original-To: ospf@ietf.org Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 3A0E9134D93; Tue, 10 Oct 2017 05:05:32 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: ospf@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.63.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <150763713217.18344.14397174633695423342@ietfa.amsl.com> Date: Tue, 10 Oct 2017 05:05:32 -0700 Archived-At: Subject: [OSPF] I-D Action: draft-ietf-ospf-encapsulation-cap-09.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Oct 2017 12:05:32 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP WG of the IETF. Title : The Tunnel Encapsulations OSPF Router Information Authors : Xiaohu Xu Bruno Decraene Robert Raszuk Luis M. Contreras Luay Jalil Filename : draft-ietf-ospf-encapsulation-cap-09.txt Pages : 11 Date : 2017-10-10 Abstract: Networks use tunnels for a variety of reasons. A large variety of tunnel types are defined and the tunnel encapsulator router needs to select a type of tunnel which is supported by the tunnel decapsulator router. This document defines how to advertise, in OSPF Router Information Link State Advertisement (LSAs), the list of tunnel encapsulations supported by the tunnel decapsulator. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-encapsulation-cap/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-ospf-encapsulation-cap-09 https://datatracker.ietf.org/doc/html/draft-ietf-ospf-encapsulation-cap-09 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-encapsulation-cap-09 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Tue Oct 10 05:11:09 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 57E2D134D96 for ; Tue, 10 Oct 2017 05:11:06 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.618 X-Spam-Level: X-Spam-Status: No, score=-2.618 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id adLh7ur-VRJH for ; Tue, 10 Oct 2017 05:11:01 -0700 (PDT) Received: from relais-inet.orange.com (mta134.mail.business.static.orange.com [80.12.70.34]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 90B221321A4 for ; Tue, 10 Oct 2017 05:09:01 -0700 (PDT) Received: from opfednr03.francetelecom.fr (unknown [xx.xx.xx.67]) by opfednr23.francetelecom.fr (ESMTP service) with ESMTP id D5BB9C069B; Tue, 10 Oct 2017 14:08:59 +0200 (CEST) Received: from Exchangemail-eme2.itn.ftgroup (unknown [xx.xx.31.3]) by opfednr03.francetelecom.fr (ESMTP service) with ESMTP id B2AD41A0069; Tue, 10 Oct 2017 14:08:59 +0200 (CEST) Received: from OPEXCLILM21.corporate.adroot.infra.ftgroup ([fe80::e92a:c932:907e:8f06]) by OPEXCLILM5D.corporate.adroot.infra.ftgroup ([fe80::9898:741c:bc1d:258d%19]) with mapi id 14.03.0361.001; Tue, 10 Oct 2017 14:08:59 +0200 From: To: "ospf@ietf.org" Thread-Topic: draft-ietf-ospf-encapsulation-cap-09.txt Thread-Index: AdNBwCQ2tyslkXSZTPq1VewQtNpFOg== Date: Tue, 10 Oct 2017 12:08:58 +0000 Message-ID: <29234_1507637339_59DCB85B_29234_353_1_53C29892C857584299CBF5D05346208A478A9595@OPEXCLILM21.corporate.adroot.infra.ftgroup> Accept-Language: fr-FR, en-US Content-Language: fr-FR X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.168.234.6] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Archived-At: Subject: [OSPF] draft-ietf-ospf-encapsulation-cap-09.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Oct 2017 12:11:06 -0000 Hi all, Changes introduced in -09 are the following: - Name and number added to each figure - "Address Family" field added to the Endpoint Sub-TLV (as per Joe's commen= t, and as per draft-ietf-idr-tunnel-encaps) - For Sub-TLV defined in this document, explicit the number of times that t= hey may appear (as per Benoit's comment, and as per draft-ietf-idr-tunnel-e= ncaps) - =A7 Operation, slightly easing the restriction OLD: A tunnel MUST NOT be used if there is no route toward the IP address spe= cified in the Endpoint Sub-TLV (See ) or if the route is not advertised by the router advertising this Tunnel = Sub-TLV. NEW: A tunnel MUST NOT be used if there is no route toward the IP address spe= cified in the Endpoint Sub-TLV (See ) or if the route is not advertised in the same OSPF domain. =20=20=20 As the OLD text would be restricting in multi-areas deployments. As a consequence, one sentence is changed in the security consideration sec= tion =20 OLD: It prohibits a destination outside of the OSPF domain and also to oth= er routers within the domain. NEW: It prohibits a destination outside of the OSPF domain. > A diff from the previous version is available at: > https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-ospf-encapsulation-cap-09 Thanks, Regards, --Bruno > -----Original Message----- > From: OSPF [mailto:ospf-bounces@ietf.org] On Behalf Of internet-drafts@i= etf.org > Sent: Tuesday, October 10, 2017 2:06 PM > To: i-d-announce@ietf.org > Cc: ospf@ietf.org > Subject: [OSPF] I-D Action: draft-ietf-ospf-encapsulation-cap-09.txt >=20 >=20 > A New Internet-Draft is available from the on-line Internet-Drafts direc= tories. > This draft is a work item of the Open Shortest Path First IGP WG of the = IETF. >=20 > Title : The Tunnel Encapsulations OSPF Router Informat= ion > Authors : Xiaohu Xu > Bruno Decraene > Robert Raszuk > Luis M. Contreras > Luay Jalil > Filename : draft-ietf-ospf-encapsulation-cap-09.txt > Pages : 11 > Date : 2017-10-10 >=20 > Abstract: > Networks use tunnels for a variety of reasons. A large variety of > tunnel types are defined and the tunnel encapsulator router needs to > select a type of tunnel which is supported by the tunnel decapsulator > router. This document defines how to advertise, in OSPF Router > Information Link State Advertisement (LSAs), the list of tunnel > encapsulations supported by the tunnel decapsulator. >=20 >=20 >=20 > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-ospf-encapsulation-cap/ >=20 > There are also htmlized versions available at: > https://tools.ietf.org/html/draft-ietf-ospf-encapsulation-cap-09 > https://datatracker.ietf.org/doc/html/draft-ietf-ospf-encapsulation-cap-= 09 >=20 > A diff from the previous version is available at: > https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-ospf-encapsulation-cap-09 >=20 >=20 > Please note that it may take a couple of minutes from the time of submis= sion > until the htmlized version and diff are available at tools.ietf.org. >=20 > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet-drafts/ >=20 > _______________________________________________ > OSPF mailing list > OSPF@ietf.org > https://www.ietf.org/mailman/listinfo/ospf ___________________________________________________________________________= ______________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confiden= tielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu= ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el= ectroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou = falsifie. Merci. This message and its attachments may contain confidential or privileged inf= ormation that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and dele= te this message and its attachments. As emails may be altered, Orange is not liable for messages that have been = modified, changed or falsified. Thank you. From nobody Thu Oct 12 10:49:41 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E0DDA133528; Thu, 12 Oct 2017 10:49:26 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.5 X-Spam-Level: X-Spam-Status: No, score=-14.5 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rpiqR06bA9hk; Thu, 12 Oct 2017 10:49:22 -0700 (PDT) Received: from aer-iport-1.cisco.com (aer-iport-1.cisco.com [173.38.203.51]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B9703133054; Thu, 12 Oct 2017 10:49:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=4001; q=dns/txt; s=iport; t=1507830562; x=1509040162; h=message-id:date:from:mime-version:to:cc:subject: references:in-reply-to:content-transfer-encoding; bh=ipB0TzNpxkwspCfI9UCtB7h9orVKEyaiykxlJyTpP/M=; b=fAbwsoxmhEoq3pKMUI3T5rughvPyIntjyWWpp0URJWlUq0Srcr5V+d+K jVym6Z2cVuAhJizXi4YL32gcitTvZS+5jT/gMYGl7dKyLGx5TCvNg5Mwq 8zUJ7DyAmMwIDIvYja8WCGhdtEA+oBHGx/mm4GQgccAXlADENYEzvOm6e U=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0COAACxqd9Z/xbLJq1dGQEBAQEBAQEBA?= =?us-ascii?q?QEBBwEBAQEBgy+BEm4njhl0kDGWLw6CBAoYC4FegzoChH0YAQIBAQEBAQEBayi?= =?us-ascii?q?FHQEBAQECAQEBFiA2BgQBEAsOBgQJFg8JAwIBAgEVMAYBDAEFAgEBihIIEK1YE?= =?us-ascii?q?os5AQEBAQEBAQEBAQEBAQEBAQEBAQEBGAWDKQSDWIFqgyqEXg+GDAWhRIdejQy?= =?us-ascii?q?CFIV0g1qHLpVrgTkfOIEOMiEIHRVJhRocGYFQPjaJE4JEAQEB?= X-IronPort-AV: E=Sophos;i="5.43,367,1503360000"; d="scan'208";a="697984982" Received: from aer-iport-nat.cisco.com (HELO aer-core-2.cisco.com) ([173.38.203.22]) by aer-iport-1.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Oct 2017 17:49:19 +0000 Received: from [10.60.140.54] (ams-ppsenak-nitro5.cisco.com [10.60.140.54]) by aer-core-2.cisco.com (8.14.5/8.14.5) with ESMTP id v9CHnJfr007330; Thu, 12 Oct 2017 17:49:19 GMT Message-ID: <59DFAB21.3020303@cisco.com> Date: Thu, 12 Oct 2017 19:49:21 +0200 From: Peter Psenak User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Dan Romascanu , gen-art@ietf.org CC: draft-ietf-ospf-segment-routing-extensions.all@ietf.org, ietf@ietf.org, ospf@ietf.org References: <150720153207.1342.7778064227193146950@ietfa.amsl.com> In-Reply-To: <150720153207.1342.7778064227193146950@ietfa.amsl.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Archived-At: Subject: Re: [OSPF] Genart last call review of draft-ietf-ospf-segment-routing-extensions-19 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Oct 2017 17:49:27 -0000 Hi Dan, please see inline: On 05/10/17 13:05 , Dan Romascanu wrote: > Reviewer: Dan Romascanu > Review result: Ready with Issues > > I am the assigned Gen-ART reviewer for this draft. The General Area > Review Team (Gen-ART) reviews all IETF documents being processed > by the IESG for the IETF Chair. Please treat these comments just > like any other last call comments. > > For more information, please see the FAQ at > > . > > Document: draft-ietf-ospf-segment-routing-extensions-19 > Reviewer: Dan Romascanu > Review Date: 2017-10-05 > IETF LC End Date: 2017-10-13 > IESG Telechat date: Not scheduled for a telechat > > Summary: > > A useful and well-written document. It requires previous reading and > understanding of OSPF, SPRING and other routing work. It is Ready for > publication. I found some unclear minor issues. I recommend to address them > before approval and publication. > > Major issues: > > Minor issues: > > 1. I am wondering why, at this stage of progress of the document, the type > values are still 'TBD, suggested value x'. Is there any other document defining > this? good point, fixed it. > > 2. Section 3.1 - are there other algorithms planned to be added in the future? > If yes, do we need a registry? If no, what is this field an octet? yes, we know about this. The question is where do we want to put this registry - draft-ietf-spring-segment-routing defines Prefix-SID Algorithms 3.1.1. Both IGP SR drafts defines the same algorithms. This looks redundant. We need to keep it either in draft-ietf-spring-segment-routing and define a registry there and remove the definitions from IGP SR drafts and simply point to them to draft-ietf-spring-segment-routing. An alternative is to remove the section 3.1.1 from teh draft-ietf-spring-segment-routing and keep the SR Algorithm definition in IGP SR drafts and define the registry in one of them. I need to talk to authors of draft-ietf-spring-segment-routing to resolve this. > > 3. It would be useful to mention that the Length fields are expressed in > Octets. Also please clarify if padding is applied or not. I fixed those cases where the "octets" was missing in the Length specification. For the padding, all OSPF TLVs are always padded to 4-octet alignment. I don't believe we need to specify that here again. > > 4. Section 3.3: > > 'The originating router MUST NOT advertise overlapping ranges.' > > How are conflicts resolved at receiver? SRLB sub-TLV is not used by routers running ISIS. The advertisement is only there for the benefit of external entities such as controllers so they can determine what labels are available for assignment. We do not define controllers behavior in our drafts. > > 5. I like Section 9 - Implementation Status - which I found rather useful. Is > there any chance to keep a trimmed down version of it, with synthetic > information on the lines of 'at the time the document was discussed a survey > was run, it showed that there were x implementation, y were implementing the > full specification, z were included in released production software ....' I'm not sure, typically such section is removed prior to publication. I have no problem keeping it if that is allowed. > > 6. Section 10 - beyond recommending the counting and logging of the mal-formed > TLVs and sub-TLVs, should not supplementary security recommendations be made? > for example - throttling mechanisms to preempt DoS attacks. added following statement: "Logging of malformed TLVs and Sub-TLVs should be rate-limited to prevent a Denial of Service (DoS) attack (distributed or otherwise) from overloading the OSPF control plane. " thanks, Peter > > Nits/editorial comments: > > > _______________________________________________ > OSPF mailing list > OSPF@ietf.org > https://www.ietf.org/mailman/listinfo/ospf > . > From nobody Thu Oct 12 12:30:41 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E6410133085; Thu, 12 Oct 2017 12:30:25 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.521 X-Spam-Level: X-Spam-Status: No, score=-14.521 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VHHFz4sSHeX3; Thu, 12 Oct 2017 12:30:22 -0700 (PDT) Received: from rcdn-iport-6.cisco.com (rcdn-iport-6.cisco.com [173.37.86.77]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C8473120724; Thu, 12 Oct 2017 12:30:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=1354; q=dns/txt; s=iport; t=1507836620; x=1509046220; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=uJDijYuSRsRo3K9+Xr2e5QxS5S/TNpPQY+Ag7sO1xME=; b=kZjxWNO1XhQbXKlHGJWFHqq7fXm0xhElTh8QdAB/8ZyjvVZ1RC4i/HM8 WIKXRexieCK05k20+x8tDqO4DqJPAHxurxb+CvmqmBGaTl+LdbkrsbqJ4 tM+OKN8EwPgTvow3mE6ZW0LOm1FiliGsk7GPTrS48bZ/hZ+hqyEEuLd/a s=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0CaAAB3wd9Z/40NJK1dGQEBAQEBAQEBA?= =?us-ascii?q?QEBBwEBAQEBgy8ugVIujhKPMYF2li+CEgqFOwKEPz8YAQIBAQEBAQEBayiFHQE?= =?us-ascii?q?BAQECATo/EAIBCDYQMiUCBAENDYoOCK4ZizoBAQEBAQEBAQEBAQEBAQEBAQEBA?= =?us-ascii?q?QEdgy2CB4FRgWqDKop5BaFEApRfkxmVPgIRGQGBOAEfOIEOeBWFYxwZgU6KCyy?= =?us-ascii?q?BBYERAQEB?= X-IronPort-AV: E=Sophos;i="5.43,367,1503360000"; d="scan'208";a="307165181" Received: from alln-core-8.cisco.com ([173.36.13.141]) by rcdn-iport-6.cisco.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 12 Oct 2017 19:30:19 +0000 Received: from XCH-RCD-015.cisco.com (xch-rcd-015.cisco.com [173.37.102.25]) by alln-core-8.cisco.com (8.14.5/8.14.5) with ESMTP id v9CJUJI5000783 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Thu, 12 Oct 2017 19:30:19 GMT Received: from xch-aln-001.cisco.com (173.36.7.11) by XCH-RCD-015.cisco.com (173.37.102.25) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Thu, 12 Oct 2017 14:30:18 -0500 Received: from xch-aln-001.cisco.com ([173.36.7.11]) by XCH-ALN-001.cisco.com ([173.36.7.11]) with mapi id 15.00.1320.000; Thu, 12 Oct 2017 14:30:18 -0500 From: "Les Ginsberg (ginsberg)" To: "Peter Psenak (ppsenak)" , Dan Romascanu , "gen-art@ietf.org" CC: "draft-ietf-ospf-segment-routing-extensions.all@ietf.org" , "ietf@ietf.org" , "ospf@ietf.org" Thread-Topic: [OSPF] Genart last call review of draft-ietf-ospf-segment-routing-extensions-19 Thread-Index: AQHTPcn1DVIDOYzeYkK3H8wNOXxQr6Lg3RuA///D7DA= Date: Thu, 12 Oct 2017 19:30:18 +0000 Message-ID: <08e17081ab0d4f9b9923f042e6d7b58e@XCH-ALN-001.cisco.com> References: <150720153207.1342.7778064227193146950@ietfa.amsl.com> <59DFAB21.3020303@cisco.com> In-Reply-To: <59DFAB21.3020303@cisco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.154.131.82] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] Genart last call review of draft-ietf-ospf-segment-routing-extensions-19 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Oct 2017 19:30:26 -0000 In regards to > > 4. Section 3.3: > > > > 'The originating router MUST NOT advertise overlapping ranges.' > > > > How are conflicts resolved at receiver? >=20 > SRLB sub-TLV is not used by routers running ISIS. The advertisement is on= ly > there for the benefit of external entities such as controllers so they ca= n > determine what labels are available for assignment. We do not define > controllers behavior in our drafts. >=20 > > [Les:] SRLB usage is not the same as SRGB usage. SRLB is a local space for each node to allocate node private labels. There = is no notion of conflicting usage e.g. Node A can use 1000 as an adj-sid fo= r one of its links and Node B can use SID 1000 as an adj-sid for one of its= links and this is not a conflict. In other words the scope of the SIDs is = local to the advertising node. Further, nodes are NOT required to validate that a private SID (such as an = adj-sid) is allocated from the SRLB of the advertising node - it is legal t= o assign a SID from outside of this space - so - as Peter has indicated - o= ther routers do not make use of SRLB advertisements. IT is there for the co= nvenience of external entities only. It should be obvious that advertising overlapping ranges makes the advertis= ement ambiguous. Not sure what else needs to be said. ??? Les From nobody Mon Oct 16 05:24:24 2017 Return-Path: X-Original-To: ospf@ietf.org Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id EAC651344CC; Mon, 16 Oct 2017 05:24:16 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: ospf@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.63.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <150815665691.351.16347094793270560273@ietfa.amsl.com> Date: Mon, 16 Oct 2017 05:24:16 -0700 Archived-At: Subject: [OSPF] I-D Action: draft-ietf-ospf-xaf-te-01.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Oct 2017 12:24:17 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP WG of the IETF. Title : OSPF Routing with Cross-Address Family MPLS Traffic Engineering Tunnels Authors : Anton Smirnov Alvaro Retana Michael Barnes Filename : draft-ietf-ospf-xaf-te-01.txt Pages : 8 Date : 2017-10-16 Abstract: When using Traffic Engineering (TE) in a dual-stack IPv4/IPv6 network the Multiprotocol Label Switching (MPLS) TE Label Switched Paths (LSP) infrastructure may be duplicated, even if the destination IPv4 and IPv6 addresses belong to the same remote router. In order to achieve an integrated MPLS TE LSP infrastructure, OSPF routes must be computed over MPLS TE tunnels created using information propagated in another OSPF instance. This is solved by advertising cross-address family (X-AF) OSPF TE information. This document describes an update to RFC5786 that allows for the easy identification of a router's local X-AF IP addresses. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-xaf-te/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-ospf-xaf-te-01 https://datatracker.ietf.org/doc/html/draft-ietf-ospf-xaf-te-01 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-xaf-te-01 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Oct 16 08:03:26 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 693311344FD for ; Mon, 16 Oct 2017 08:03:25 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.619 X-Spam-Level: X-Spam-Status: No, score=-2.619 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id B5vmDp_aJ6WK for ; Mon, 16 Oct 2017 08:03:19 -0700 (PDT) Received: from relais-inet.orange.com (mta241.mail.business.static.orange.com [80.12.66.41]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id BFA48133011 for ; Mon, 16 Oct 2017 08:03:18 -0700 (PDT) Received: from opfedar03.francetelecom.fr (unknown [xx.xx.xx.5]) by opfedar23.francetelecom.fr (ESMTP service) with ESMTP id 2DB6216064A; Mon, 16 Oct 2017 17:03:17 +0200 (CEST) Received: from Exchangemail-eme2.itn.ftgroup (unknown [xx.xx.31.34]) by opfedar03.francetelecom.fr (ESMTP service) with ESMTP id 0A6D9180077; Mon, 16 Oct 2017 17:03:17 +0200 (CEST) Received: from [10.193.71.231] (10.168.234.4) by OPEXCLILM6F.corporate.adroot.infra.ftgroup (10.114.31.34) with Microsoft SMTP Server (TLS) id 14.3.361.1; Mon, 16 Oct 2017 17:03:16 +0200 To: , From: Organization: Orange Labs Message-ID: <10170_1508166197_59E4CA35_10170_182_6_e39cb950-80c3-bc84-dd0b-21a67e45dc0a@orange.com> Date: Mon, 16 Oct 2017 17:03:15 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Language: en-GB X-Originating-IP: [10.168.234.4] Archived-At: Subject: [OSPF] Comments on draft-ietf-ospf-te-link-attr-reuse-01.txt and draft-ietf-isis-te-app-01.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Oct 2017 15:03:25 -0000 Dear authors, Please find below a comment on both draft-ietf-ospf-te-link-attr-reuse-01.txt and draft-ietf-isis-te-app-01.txt. I consider the use case of bandwidth reservation. I know this is not the most common use case, but the one I known well. The context is that of an operator who would setup some RSVP-TE tunnels and simultaneously SR-TE paths with bandwidth reservation. In this particular case, it is not possible to manage both reservation with the drafts as they are. Indeed, in OSPF draft, it is not proposed to advertised the usual bandwidth parameters as defined in RFC3630 and in ISIS, it is proposed to duplicate these parameters per application. The main problem arises from the fact that each application, in this case SR-TE and RSVP-TE, independently compute a path and therefore reserve bandwidth on their respective set of parameters. However, this will lead at a some point to bandwidth overbooking, which exactly what an operator wants to avoid by performing bandwidth reservation. Even if a PCE can be used to handle both the RSVP-TE tunnels and SR-TE paths, the same problem arises because each path computation is performed on a different set of bandwidth parameters i.e. one TED per application whereas these information relate to the same links. Of course a central entity like a PCE might try to reconcile the information into a single TED, but this will greatly increase the complexity of the PCE with a risk that the TE information will never be up to date, so at the end unnecessary. So, for me there are only 2 possibles solutions to avoid this overbooking problem: 1/ Split and partition network resources to avoid conflicts. But, this leads into a poor network usage. Indeed, if an application like RSVP-TE uses less bandwidth than its budget, why the SR-TE application could not reuse them if it has reached its threshold ? The under utilization of network resources will increase proportionally with the number of applications. Imagine if we want to use this principle for network Slicing. I understand the advantage for vendors, but I'm on the operator side ;-) 2/ Each time an application reserved some bandwidth, the routers concerned by this new path must update the bandwidth parameters of the concerned link not only to the given application, but also to all others. For example, when RSVP-TE setup a tunnel, Unreserved Bandwidth parameters must be updated in the standard RFC3630 set, but also in SR-TE parameters set. But, in this case, why duplicate TE parameters if at the end all set carry the same values, apart wasting CPU and bandwidth ? In summary, duplicate TE information is only relevant for the added metrics i.e. delay, loss, jitter ... but unusable for concave metrics i.e. bandwidth. Can you explain me how you intend to solve this issue as both possible solutions are not suitable for an operator. Best Regards Olivier _________________________________________________________________________________________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confidentielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages electroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou falsifie. Merci. This message and its attachments may contain confidential or privileged information that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and delete this message and its attachments. As emails may be altered, Orange is not liable for messages that have been modified, changed or falsified. Thank you. 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[54.88.81.56]) by ietfa.amsl.com (Postfix) with ESMTP id 132FD1342DF; Thu, 19 Oct 2017 06:55:30 -0700 (PDT) Received: from tops.chopps.org (47-50-69-38.static.klmz.mi.charter.com [47.50.69.38]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by smtp.chopps.org (Postfix) with ESMTPSA id 0998362F03; Thu, 19 Oct 2017 13:55:28 +0000 (UTC) User-agent: mu4e 0.9.18; emacs 25.3.1 From: Christian Hopps To: "isis-wg\@ietf.org" , "ospf\@ietf.org" Cc: "isis-chairs\@ietf.org" , "ospf-chairs\@ietf.org" , "isis-ads\@ietf.org" , ospf-ads@ietf.org Date: Thu, 19 Oct 2017 09:55:28 -0400 Message-ID: <87h8uvmecv.fsf@chopps.org> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Archived-At: Subject: [OSPF] IS-IS and OSPF Call for agenda slots @ IETF-100 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Oct 2017 13:55:34 -0000 --=-=-= Content-Type: text/plain Hi OSPF and IS-IS, The preliminary agenda has been posted: https://datatracker.ietf.org/meeting/100/agenda.html Our 2.5h joint session of IS-IS and OSPF is tentatively scheduled for Thursday from 9:30am to 12:00pm (+08). Please send your requests for a presentation slot, indicating draft name, speaker, and desired duration (covering presentation and discussion) to isis-chairs@ietf.org or ospf-chairs@ietf.org. Thanks, Abhay, Acee, Chris and Hannes. --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIzBAEBCgAdFiEEm56yH/NF+m1FHa6lLh2DDte4MCUFAlnortAACgkQLh2DDte4 MCU1eg/+PDce6JRoVhhvnLDhoJWe8EYj4IxS2crADXdWtEXAMWvOjaZLL7EXF9hX OIVXCmJ+/eMZMa5hIIbmPJWeBKArG1b7mxEA1tpfDEe3NBa9fZqunrzcAnvFw8Yu 6ncQ+OszbV2yd7RFd1HuZs8eywwK9jVq15H+PXVh9rJiMzK/iHD7QChQID6U6kX7 5im+g4kCUl0o8edjis8OKOn4xm/CgoO/Sm2PfB/AYP9AZfbJl0WWiL0TR9fHQLXP +F8qIHLaikILl8+bp+Qz1mGTX0h/CaeBN7doQTHyeGsNKOaC6ej2m/jpHh6kqnwQ R9CcwvaGOeRxsIxWQPaDuC8wsgbd8ASfnDqrGnZ8F+PK4NAZwgpC5nK4tDGs/Qn2 7H35mKpPbAkO57Xqktk8TY00IGZeJ4rVLHzeiAyRQprbk8AUbwdULS4+eh54xmKx ow0Zb8y3aAf4wk5VfA4mAHmainckKzxicfRAvYtV1MyoNTc7+64C5E6CHVZSm+D0 J4BKBCcttOdOYI/IbnOpNXBSyUA73aXXo0cymvc5O0PvGHv5vetn5Tb8lISzQTm1 EPGNxQkp1i1zW8L7dSFdRxNZdzWEHMx4zqjCSrTAFrsBSq1Aj4cDspRAWWUBDRJY 9MhqldfAl/hjm4WbvZIVG3Zq1t4y+JYa8b9l7A6UcJ0M5C35flk= =BcjB -----END PGP SIGNATURE----- --=-=-=-- From nobody Thu Oct 19 07:01:00 2017 Return-Path: <7riw77@gmail.com> X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8D6C11332E1; Thu, 19 Oct 2017 07:00:42 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.551 X-Spam-Level: X-Spam-Status: No, score=-0.551 tagged_above=-999 required=5 tests=[BAYES_20=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id UukQhciwuX6B; Thu, 19 Oct 2017 07:00:36 -0700 (PDT) Received: from mail-it0-x233.google.com (mail-it0-x233.google.com [IPv6:2607:f8b0:4001:c0b::233]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4FD4112421A; Thu, 19 Oct 2017 07:00:35 -0700 (PDT) Received: by mail-it0-x233.google.com with SMTP id 72so9845097itk.3; Thu, 19 Oct 2017 07:00:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:references:in-reply-to:subject:date:message-id :mime-version:content-transfer-encoding:thread-index :content-language; bh=VSoAcZABOhxVw+nDMCC/tkWt8P+KQdzMNNztnWH9kWw=; b=Lt8x9yO4W4LbFANfj5dmZirpUtNZergQIH0YtFSY/5t5w9AkqEgqjR60fCHV2fA9gc AW/H3y1TAfQOiuv59Tti5qN0rpVGwff/gOfBXh8fjpTfWcgChKGZzj64MYHpVWuS9JL5 CtNZNRNFzkdoSRIjcBAIK/EdODVF8ergSBsF0BYKvCGktgqrg0yi81Yo8xVEakU0+Gub si8NfRLKwefVVdImbgUu6x2NtpzjW8e1OhZV0EYbozeGa7jctMr/na3r6ExGy7G1zrvh QSWWL5e8wSPAKOE7BLQg8bB+tUp7HvF+y3JN9qn7D30iME91ViQ3lRaJi4nt7y/mk/qD Cv8w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:references:in-reply-to:subject:date :message-id:mime-version:content-transfer-encoding:thread-index :content-language; bh=VSoAcZABOhxVw+nDMCC/tkWt8P+KQdzMNNztnWH9kWw=; b=FOy+9Z73SMRAHSEExncoJtd05UxDPLyxM87beTnoYqJdnLmzQIM4+ggN3W7W0lLd/8 m/qcRIDvbkJLA4bBhT+qUqjCIvdPC51K1RU4mOHe/PpP5jsVWB9a8DHXTBcjwRJN3dgP URJKy+x+m2qzdbnDt9vSfpVSRI1jzORLmr1j3AKM8JDFJZArdB1xoew12JP48yU0lax+ PmrAmH6F3c6jePwbw3RuoXY1mbmd72aHRv/JGrNzb74Aed2eOD9pei2JIqPLCR9IqYbj 43X9UX8pWoQAKrtryoQHQyFz/Ru0Ph0W+e+DylnRbNh25oD9rTIQxF7t+zyM+SnAmCHq xutQ== X-Gm-Message-State: AMCzsaWnQK1E9dKG6NPxLjM9lYhNdhPGS7DTA1/yCG8brIkgRIPTgX94 w6Ga19G6TAu+Iow+6ui1a3Pqnw== X-Google-Smtp-Source: ABhQp+QCezxPJ3SsKVCdSkv2FENIjlanKrkSDmPg2NCdcKRcIxDTNM1pylUTHIM9dbTDqNNx1eUEvw== X-Received: by 10.36.200.138 with SMTP id w132mr2320548itf.24.1508421634374; Thu, 19 Oct 2017 07:00:34 -0700 (PDT) Received: from Russ (108-78-210-25.lightspeed.chrlnc.sbcglobal.net. [108.78.210.25]) by smtp.gmail.com with ESMTPSA id 8sm7003192iob.32.2017.10.19.07.00.33 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 19 Oct 2017 07:00:33 -0700 (PDT) From: "Russ White" <7riw77@gmail.com> To: "'Van De Velde, Gunter \(Nokia - BE/Antwerp\)'" , , , , , , Cc: "'Victor Kuarsingh'" References: In-Reply-To: Date: Thu, 19 Oct 2017 10:00:31 -0400 Message-ID: <00b801d348e2$a15027f0$e3f077d0$@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQHQFQFSyh4xvZkYdkLnfLM5lrkAVqLxmTFQ Content-Language: en-us Archived-At: Subject: Re: [OSPF] [bess] DC ROUTING BOF at IETF100 - call for meeting topics X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Oct 2017 14:00:43 -0000 > If you have a draft and would like to see it discussed during the BOF = meeting, > then please send the note to the BOF co-chairs and copy the > dcrouting@ietf.org email address. Please include a slot for openfabric. =F0=9F=98=8A Russ From nobody Fri Oct 20 02:06:59 2017 Return-Path: X-Original-To: ospf@ietf.org Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id EC2DC1321F5; Fri, 20 Oct 2017 02:06:57 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: ospf@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.63.2 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <150849041793.26737.4451062545880774065@ietfa.amsl.com> Date: Fri, 20 Oct 2017 02:06:57 -0700 Archived-At: Subject: [OSPF] I-D Action: draft-ietf-ospf-segment-routing-extensions-20.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Oct 2017 09:06:58 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP WG of the IETF. Title : OSPF Extensions for Segment Routing Authors : Peter Psenak Stefano Previdi Clarence Filsfils Hannes Gredler Rob Shakir Wim Henderickx Jeff Tantsura Filename : draft-ietf-ospf-segment-routing-extensions-20.txt Pages : 28 Date : 2017-10-20 Abstract: Segment Routing (SR) allows a flexible definition of end-to-end paths within IGP topologies by encoding paths as sequences of topological sub-paths, called "segments". These segments are advertised by the link-state routing protocols (IS-IS and OSPF). This draft describes the OSPF extensions required for Segment Routing. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-segment-routing-extensions/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-20 https://datatracker.ietf.org/doc/html/draft-ietf-ospf-segment-routing-extensions-20 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-segment-routing-extensions-20 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Fri Oct 20 04:58:09 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 075A6132D17; Fri, 20 Oct 2017 04:58:02 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.52 X-Spam-Level: X-Spam-Status: No, score=-14.52 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gsQh8YNSXFEl; Fri, 20 Oct 2017 04:58:00 -0700 (PDT) Received: from rcdn-iport-7.cisco.com (rcdn-iport-7.cisco.com [173.37.86.78]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5AFC21330B3; 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charset="utf-8" Content-ID: <645ABC393208F244A4E925031988718B@emea.cisco.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] [Bier] I-D Action: draft-ietf-bier-ospf-bier-extensions-08.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Oct 2017 11:58:02 -0000 SGkgWGllamluZywgKCtPU1BGIExpc3QpLA0KDQpPbiAxMC8yMC8xNywgNToyMCBBTSwgIkJJRVIg b24gYmVoYWxmIG9mIFhpZWppbmdyb25nIg0KPGJpZXItYm91bmNlc0BpZXRmLm9yZyBvbiBiZWhh bGYgb2YgeGllamluZ3JvbmdAaHVhd2VpLmNvbT4gd3JvdGU6DQoNCj5ISSwgYWxsOg0KPg0KPkFi b3V0IGRyYWZ0LWlldGYtYmllci1vc3BmLWJpZXItZXh0ZW5zaW9ucy0wOC50eHQsDQo+SW4gY2hh cCAyLjEsIEJJRVIgU3ViLVRMViBpcyBkZWZpbmVkIGFzIGEgc3ViLXRsdiBvZiB0aGUgRXh0ZW5k ZWQgUHJlZml4DQo+VExWIChkZWZpbmVkIGluIFJGQzc2ODQpLg0KPkluIGNoYXAgMi4yLCBUaGUg QklFUiBNUExTIEVuY2Fwc3VsYXRpb24gU3ViLVRMViBpcyBhIFN1Yi1UTFYgb2YgdGhlIEJJRVIN Cj5TdWItVExWLg0KPkluIGNoYXAgMi4zLCBUaGUgQklFUiBUcmVlIFR5cGUgU3ViLVRMViBpcyBh IFN1Yi1UTFYgb2YgdGhlIEJJRVIgU3ViLVRMVi4NCj5JbiBjaGFwIDIuNCwgVGhlIEJJRVIgc3Vi LWRvbWFpbiBCU0wgY29udmVyc2lvbiBTdWItVExWIGlzIGEgU3ViLVRMViBvZg0KPnRoZSBCSUVS IFN1Yi1UTFYuIA0KPkluIGNoYXAgNCwgVGhlIGRvY3VtZW50IHJlcXVlc3RzIHRocmVlIG5ldyBh bGxvY2F0aW9ucyBmcm9tIHRoZSBPU1BGDQo+RXh0ZW5kZWQgUHJlZml4IHN1Yi1UTFYgcmVnaXN0 cnkgYXMgZGVmaW5lZCBpbiBbUkZDNzY4NF0uDQo+DQo+U2hvdWxkIHRoZSBhbGxvY2F0aW9uIGZv ciAzIFN1Yi1UTFZzIG9mIHRoZSBCSUVSIFN1Yi1UTFYgYmUgZnJvbSBzb21lDQo+cmVnaXN0cnks IG90aGVyIHRoYW4gdGhlIE9TUEYgRXh0ZW5kZWQgUHJlZml4IHN1Yi1UTFYgcmVnaXN0cnk/DQoN Ck5vLiBXaXRoIDY0SyBTdWItVExWIHR5cGVzLCBpdCBpcyBub3QgbGlrZWx5IHRoYXQgd2Ugd2ls bCBydW4gb3V0IGFueSB0aW1lDQpzb29uIGFuZCBzb21lIG9mIHRoZSBTdWItVExWcyBhcHBseSB0 byBtdWx0aXBsZSBUTFZzLg0KDQpUaGFua3MsDQpBY2VlIA0KPl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fDQo+QklFUiBtYWlsaW5nIGxpc3QNCj5CSUVSQGll dGYub3JnDQo+aHR0cHM6Ly93d3cuaWV0Zi5vcmcvbWFpbG1hbi9saXN0aW5mby9iaWVyDQoNCg== From nobody Fri Oct 20 09:57:51 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AD8691342F7 for ; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Acee/Abhay, All the review comments received so far from working group have been addres= sed in the latest revision draft-ietf-ospf-link-overload-09. Authors of draft-ietf-ospf-link-overload would like to request for WG last= call and also early code-point allocation from IANA. Rgds Shraddha --_000_BN3PR05MB27065EDC9A4C61B733642A1DD5430BN3PR05MB2706namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
Acee/Abhay,
 
All the review comments received so far from working group have been a= ddressed in the latest revision draft-ietf-ospf-link-overload-09.
Authors of draft-ietf-ospf-link-overload would like to request for WG= last call and also early code-point allocation from IANA.
 
Rgds
Shraddha
 
 --_000_BN3PR05MB27065EDC9A4C61B733642A1DD5430BN3PR05MB2706namp_-- From nobody Fri Oct 20 14:25:27 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D5FC41320C9 for ; Fri, 20 Oct 2017 14:25:25 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.519 X-Spam-Level: X-Spam-Status: No, score=-14.519 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ljz2eu1A7usy for ; Fri, 20 Oct 2017 14:25:24 -0700 (PDT) Received: from rcdn-iport-2.cisco.com (rcdn-iport-2.cisco.com [173.37.86.73]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 2CBCA129A89 for ; 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20 Oct 2017 21:25:22 +0000 Received: from XCH-RTP-011.cisco.com (xch-rtp-011.cisco.com [64.101.220.151]) by rcdn-core-3.cisco.com (8.14.5/8.14.5) with ESMTP id v9KLPM6j021355 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Fri, 20 Oct 2017 21:25:22 GMT Received: from xch-rtp-015.cisco.com (64.101.220.155) by XCH-RTP-011.cisco.com (64.101.220.151) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Fri, 20 Oct 2017 17:25:21 -0400 Received: from xch-rtp-015.cisco.com ([64.101.220.155]) by XCH-RTP-015.cisco.com ([64.101.220.155]) with mapi id 15.00.1320.000; Fri, 20 Oct 2017 17:25:21 -0400 From: "Acee Lindem (acee)" To: Shraddha Hegde , "Abhay Roy (akr)" CC: "ospf@ietf.org" Thread-Topic: Request for WG last call and Early IANA allocation for draft-ietf-ospf-link-overload-09 Thread-Index: AdNIOFY2J+DgYBmGR7qF9NpwLi2dwABsYsUA Date: Fri, 20 Oct 2017 21:25:21 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.195] Content-Type: multipart/alternative; boundary="_000_D60FE19FD0CCCaceeciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] Request for WG last call and Early IANA allocation for draft-ietf-ospf-link-overload-09 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Oct 2017 21:25:26 -0000 --_000_D60FE19FD0CCCaceeciscocom_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 SGkgU2hyYWRkaGEsDQoNClRoaXMgc291bmRzIHJlYXNvbmFibGUuIEkgd2lsbCBzdGFydCB0aGUg V0cgTGFzdCBDYWxsIGFmdGVyIHJlYWRpbmcgdGhlIOKAkzA5IHZlcnNpb24gdGhpcyB3ZWVrZW5k Lg0KDQpUaGFua3MsDQpBY2VlDQoNCg0KRnJvbTogU2hyYWRkaGEgSGVnZGUgPHNocmFkZGhhQGp1 bmlwZXIubmV0PG1haWx0bzpzaHJhZGRoYUBqdW5pcGVyLm5ldD4+DQpEYXRlOiBGcmlkYXksIE9j dG9iZXIgMjAsIDIwMTcgYXQgMTI6NTcgUE0NClRvOiBBY2VlIExpbmRlbSA8YWNlZUBjaXNjby5j b208bWFpbHRvOmFjZWVAY2lzY28uY29tPj4sICJBYmhheSBSb3kgKGFrcikiIDxha3JAY2lzY28u Y29tPG1haWx0bzpha3JAY2lzY28uY29tPj4NCkNjOiBPU1BGIFdHIExpc3QgPG9zcGZAaWV0Zi5v cmc8bWFpbHRvOm9zcGZAaWV0Zi5vcmc+Pg0KU3ViamVjdDogUmVxdWVzdCBmb3IgV0cgbGFzdCBj YWxsIGFuZCBFYXJseSBJQU5BIGFsbG9jYXRpb24gZm9yIGRyYWZ0LWlldGYtb3NwZi1saW5rLW92 ZXJsb2FkLTA5DQoNCkFjZWUvQWJoYXksDQoNCkFsbCB0aGUgcmV2aWV3IGNvbW1lbnRzIHJlY2Vp dmVkIHNvIGZhciBmcm9tIHdvcmtpbmcgZ3JvdXAgaGF2ZSBiZWVuIGFkZHJlc3NlZCBpbiB0aGUg bGF0ZXN0IHJldmlzaW9uIGRyYWZ0LWlldGYtb3NwZi1saW5rLW92ZXJsb2FkLTA5Lg0KQXV0aG9y cyBvZiBkcmFmdC1pZXRmLW9zcGYtbGluay1vdmVybG9hZCB3b3VsZCBsaWtlIHRvIHJlcXVlc3Qg Zm9yIFdHIGxhc3QgY2FsbCBhbmQgYWxzbyBlYXJseSBjb2RlLXBvaW50IGFsbG9jYXRpb24gZnJv bSBJQU5BLg0KDQpSZ2RzDQpTaHJhZGRoYQ0KDQo= --_000_D60FE19FD0CCCaceeciscocom_ Content-Type: text/html; 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Fri, 20 Oct 2017 17:24:20 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: "\"IETF Secretariat\"" To: , Cc: ospf@ietf.org, akatlas@gmail.com X-Test-IDTracker: no X-IETF-IDTracker: 6.63.2 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <150854546091.20809.6042077114066692946.idtracker@ietfa.amsl.com> Date: Fri, 20 Oct 2017 17:24:20 -0700 Archived-At: Subject: [OSPF] ospf - Requested session has been scheduled for IETF 100 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 21 Oct 2017 00:24:21 -0000 Dear Acee Lindem, The session(s) that you have requested have been scheduled. Below is the scheduled session information followed by the original request. ospf Session 1 (2:30:00) Thursday, Morning Session I 0930-1200 Room Name: Bras Basah size: 100 --------------------------------------------- Special Note: Joint session with IS-IS Request Information: --------------------------------------------------------- Working Group Name: Open Shortest Path First IGP Area Name: Routing Area Session Requester: Acee Lindem Number of Sessions: 1 Length of Session(s): 2.5 Hours Number of Attendees: 75 Conflicts to Avoid: First Priority: rtgwg idr spring netmod Second Priority: pim bier bess Third Priority: mpls People who must be present: Acee Lindem Christian Hopps Abhay Roy Alia Atlas Hannes Gredler Resources Requested: Special Requests: This 2.5 hour session will be a joint session with the IS-IS WG (which is why it is not included in the conflicts) --------------------------------------------------------- From nobody Sat Oct 21 11:50:39 2017 Return-Path: X-Original-To: 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02:40:50 -0700 (PDT) Received: from gilfert.gredler.at (gilfert.gredler.at [87.106.222.165]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7AF2C137AC3; Sun, 22 Oct 2017 02:40:50 -0700 (PDT) Received: from [192.168.1.34] (62-46-229-4.adsl.highway.telekom.at [::ffff:62.46.229.4]) (AUTH: PLAIN hannes, TLS: TLSv1/SSLv3,256bits,AES256-GCM-SHA384) by gilfert.gredler.at with ESMTPSA; Sun, 22 Oct 2017 11:40:43 +0200 id 0000000002F20191.0000000059EC679B.00004F49 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (1.0) From: Hannes Gredler X-Mailer: iPhone Mail (14G60) In-Reply-To: Date: Sun, 22 Oct 2017 11:40:42 +0200 Cc: "draft-ietf-ospf-link-overload@ietf.org" , OSPF WG List Content-Transfer-Encoding: quoted-printable Message-Id: <1BA78B10-3B9B-4893-8E51-CE73C135B700@gredler.at> References: To: "Acee Lindem (acee)" Archived-At: Subject: Re: [OSPF] IPR Poll "OSPF Link Overload" X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 22 Oct 2017 09:40:52 -0000 not aware of invention disclosure / patents beyond junipers. /hannes > On 21 Oct 2017, at 20:50, Acee Lindem (acee) wrote: >=20 > Authors, >=20 > Please indicate whether you are aware of any relevant IPR and if so, > whether it has been disclosed. >=20 > The following IPR has been disclosed:=20 >=20 > https://datatracker.ietf.org/ipr/search/?submit=3Ddraft&id=3Ddraft-ietf-os= pf-link-overload >=20 > Thanks, > Acee >=20 > _______________________________________________ > OSPF mailing list > OSPF@ietf.org > https://www.ietf.org/mailman/listinfo/ospf From nobody Sun Oct 22 10:13:34 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 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boundary="_000_BN3PR05MB2706DE5C95B65F71C791287DD5410BN3PR05MB2706namp_" MIME-Version: 1.0 X-OriginatorOrg: juniper.net X-MS-Exchange-CrossTenant-Network-Message-Id: 74235f8c-c6b1-45be-687c-08d5197035fa X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Oct 2017 17:13:27.4802 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: bea78b3c-4cdb-4130-854a-1d193232e5f4 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3PR05MB2707 Archived-At: Subject: Re: [OSPF] IPR Poll "OSPF Link Overload" X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 22 Oct 2017 17:13:31 -0000 --_000_BN3PR05MB2706DE5C95B65F71C791287DD5410BN3PR05MB2706namp_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 SGksDQoNCkkgYW0gbm90IGF3YXJlIGFueSAgSVBSIG90aGVyIHRoYW4gZGVjbGFyZWQgYnkgSnVu 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endeavour.tdc.vzwcorp.com Received: from ohtwi1exh003.uswin.ad.vzwcorp.com ([10.144.218.45]) by eris.verizonwireless.com with ESMTP/TLS/AES128-SHA256; 23 Oct 2017 04:53:37 +0000 Received: from tbwexch19apd.uswin.ad.vzwcorp.com (153.114.162.43) by OHTWI1EXH003.uswin.ad.vzwcorp.com (10.144.218.45) with Microsoft SMTP Server (TLS) id 14.3.248.2; Mon, 23 Oct 2017 00:53:37 -0400 Received: from OMZP1LUMXCA05.uswin.ad.vzwcorp.com (144.8.22.175) by tbwexch19apd.uswin.ad.vzwcorp.com (153.114.162.43) with Microsoft SMTP Server (TLS) id 15.0.1263.5; Mon, 23 Oct 2017 00:53:37 -0400 Received: from OMZP1LUMXCA07.uswin.ad.vzwcorp.com (144.8.22.180) by OMZP1LUMXCA05.uswin.ad.vzwcorp.com (144.8.22.175) with Microsoft SMTP Server (TLS) id 15.0.1263.5; Sun, 22 Oct 2017 23:53:36 -0500 Received: from OMZP1LUMXCA07.uswin.ad.vzwcorp.com ([144.8.22.180]) by OMZP1LUMXCA07.uswin.ad.vzwcorp.com ([144.8.22.180]) with mapi id 15.00.1263.000; Sun, 22 Oct 2017 23:53:36 -0500 To: "Acee Lindem (acee)" , "draft-ietf-ospf-link-overload@ietf.org" CC: OSPF WG List Thread-Topic: [E] IPR Poll "OSPF Link Overload" Thread-Index: AQHTS7ri+TwUOjZ5BkmOb++SXxOC5Q== Date: Mon, 23 Oct 2017 04:53:36 +0000 Message-ID: <9qly8hhtf5nbefir6eae9j8w.1508734413997@email.android.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted Content-Type: multipart/alternative; boundary="_000_9qly8hhtf5nbefir6eae9j8w1508734413997emailandroidcom_" MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] [E] IPR Poll "OSPF Link Overload" X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Oct 2017 04:54:27 -0000 --_000_9qly8hhtf5nbefir6eae9j8w1508734413997emailandroidcom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I'm not aware of any IPR other than the Juniper one Regards, Luay -------- Original Message -------- From: "Acee Lindem (acee)" > Date: Sat, Oct 21, 2017, 1:50 PM To: "draft-ietf-ospf-link-overload@ietf.org" > CC: OSPF WG List > Subject: [E] IPR Poll "OSPF Link Overload" Authors, Please indicate whether you are aware of any relevant IPR and if so, whether it has been disclosed. The following IPR has been disclosed: https://datatracker.ietf.org/ipr/search/?submit=3Ddraft&id=3Ddraft-ietf-osp= f-link-overload Thanks, Acee --_000_9qly8hhtf5nbefir6eae9j8w1508734413997emailandroidcom_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I'm not aware of any IPR other than the Juniper one

Regards,
Luay

-------- Original Message --------
From: "Acee Lindem (acee)" <= acee@cisco.com>
Date: Sat, Oct 21, 2017, 1:50 PM
To: "draft-i= etf-ospf-link-overload@ietf.org" <draft-ietf-ospf-link-overload@ietf.org>=
CC: OSPF WG List <ospf@ietf.org>=
Subject: [E] IPR Poll "OSPF  Link Overload"

Authors,

Please indicate whether you are aware of any relevant IPR and if so,
whether it has been disclosed.

The following IPR has been disclosed: 


Thanks,
Acee

--_000_9qly8hhtf5nbefir6eae9j8w1508734413997emailandroidcom_-- From nobody Sun Oct 22 22:21:41 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id F30D813D929; Sun, 22 Oct 2017 22:21:39 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id funXbPSB0VOi; Sun, 22 Oct 2017 22:21:38 -0700 (PDT) Received: from mail-pg0-x22f.google.com (mail-pg0-x22f.google.com [IPv6:2607:f8b0:400e:c05::22f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6FB3113D927; Sun, 22 Oct 2017 22:21:38 -0700 (PDT) Received: by mail-pg0-x22f.google.com with SMTP id r25so10888977pgn.4; Sun, 22 Oct 2017 22:21:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=message-id:mime-version:to:cc:from:subject:date:importance :in-reply-to:references; bh=65TwU1w/hvPGldigAtCLwHy/jV8x3pLol+p9skJY0u4=; b=DClZPv9WQH2OD3gvuOsa+8lD7ERHXy8gJJmFB3LjcqXGQlEb0sCzAkcu1zbGXlutnO eqQy01V7SOXwxojommpL9+/l9KcHv2YK15IchhUpqX88BHQCKVeEPN9AraKW5Fyn/aYL K9iiL+n2aCIrGk7W2WR+FzIlMdXXfe6yR35ev1IQZuKHnulnj2J0ssJKlorA7+rC08nS butHW9e1aUoyeODiM1scIvn7Hie3F4zpaAeABoqhtYbu7XD2mL/7if1le/dH8fzlgkYX rR1Qn7wHIKPVH9Sikl7WQaOi4cerJ0NCJXvbEi3FC69J6kFqeBbIxSkfKZYI2UuEWAz5 ntrg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:mime-version:to:cc:from:subject:date :importance:in-reply-to:references; bh=65TwU1w/hvPGldigAtCLwHy/jV8x3pLol+p9skJY0u4=; b=Lo2tIaIazdQ7hEMG++DF3VFMr3YUHzewmES9NcFthaqDoGfBB7Z8ETTz5jWJVkx5jb GtX1t2b84rsi8QgBmSRfqg0cOllyhATXY1P79OSs19hV9wF1IYRBrb4q+vKIGHK9M27X alOOReq/pWomjLn48q9WyUOioG9hUV1RCWR0H5V8DeKbnu/WPXjzQpL9lE/04EUXoyMK fldvuYQ1vE0xC4Zy7u68vULCiSFWNXxe+2EaHp/nBOuLGIas26wonr1i8ngdY5W8J9cc V3eWY3nrVy8Q+PVfzxwUZBKVWlSAL1QitXksvGzjMuQBO0k6lh5pKWJY9f2ZNonQkVxA AlBA== X-Gm-Message-State: AMCzsaXPHYBaUIhXbyICalOtaoH88vtiLDf4n1JmYDH1ThJtIJorB78x Mi22mvtPl/WzIpB3nsydSeg= X-Google-Smtp-Source: ABhQp+RNiwNY2pCsZ2RElgPO+so5lXOE43zgKPA4kFXLYtsI9WwGGXcXA72Qe6MGXzCAcer8aaI0Nw== X-Received: by 10.159.195.69 with SMTP id z5mr7130524pln.183.1508736098025; Sun, 22 Oct 2017 22:21:38 -0700 (PDT) Received: from ?IPv6:::ffff:10.243.120.84? ([49.39.252.143]) by smtp.gmail.com with ESMTPSA id d7sm10306426pgf.20.2017.10.22.22.21.33 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 22 Oct 2017 22:21:36 -0700 (PDT) Message-ID: <59ed7c60.07a7630a.361fe.ae4a@mx.google.com> MIME-Version: 1.0 To: Hannes Gredler , "Acee Lindem (acee)" Cc: OSPF WG List , "draft-ietf-ospf-link-overload@ietf.org" From: Mohan Nanduri Date: Mon, 23 Oct 2017 10:51:29 +0530 Importance: normal X-Priority: 3 In-Reply-To: <1BA78B10-3B9B-4893-8E51-CE73C135B700@gredler.at> References: <1BA78B10-3B9B-4893-8E51-CE73C135B700@gredler.at> Content-Type: multipart/alternative; boundary="_F0A83E7D-DB3D-4DAC-A738-73994D13AB06_" Archived-At: Subject: Re: [OSPF] IPR Poll "OSPF Link Overload" X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Oct 2017 05:21:40 -0000 --_F0A83E7D-DB3D-4DAC-A738-73994D13AB06_ Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" I am not aware of any IPR other than declared by Juniper. Cheers, Mohan Sent from my Windows 10 phone From: Hannes Gredler Sent: Sunday, October 22, 2017 3:10 PM To: Acee Lindem (acee) Cc: OSPF WG List; draft-ietf-ospf-link-overload@ietf.org Subject: Re: [OSPF] IPR Poll "OSPF Link Overload" not aware of invention disclosure / patents beyond junipers. /hannes > On 21 Oct 2017, at 20:50, Acee Lindem (acee) wrote: >=20 > Authors, >=20 > Please indicate whether you are aware of any relevant IPR and if so, > whether it has been disclosed. >=20 > The following IPR has been disclosed:=20 >=20 > https://datatracker.ietf.org/ipr/search/?submit=3Ddraft&id=3Ddraft-ietf-o= spf-link-overload >=20 > Thanks, > Acee >=20 > _______________________________________________ > OSPF mailing list > OSPF@ietf.org > https://www.ietf.org/mailman/listinfo/ospf _______________________________________________ OSPF mailing list OSPF@ietf.org https://www.ietf.org/mailman/listinfo/ospf --_F0A83E7D-DB3D-4DAC-A738-73994D13AB06_ Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="utf-8"

&= nbsp;

 

I am not aware of any IPR other than declared by Juniper.

 <= /span>

Cheers,

Mohan

 

Sent from my Windows 10 phone

 

 

not a= ware of invention disclosure / patents beyond junipers. /hannes

 

> On 21 Oct 2017,= at 20:50, Acee Lindem (acee) <acee@cisco.com> wrote:

>

> Authors,

>

> Please indicate whether you are aware = of any relevant IPR and if so,

> whether it has = been disclosed.

>

> = The following IPR has been disclosed:

>

> https://datatracker.ietf.org/ipr/search/?submit=3Ddr= aft&id=3Ddraft-ietf-ospf-link-overload

>

> Thanks,

> Acee

>

> ______________________= _________________________

> OSPF mailing list

> OSPF@ietf.org

> https= ://www.ietf.org/mailman/listinfo/ospf

 

______________________________________________= _

OSPF mailing list

OSPF@ie= tf.org

https://www.ietf.org/mailman/listinfo/ospf

 

= --_F0A83E7D-DB3D-4DAC-A738-73994D13AB06_-- From nobody Sun Oct 22 23:06:50 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D44D713DBBF for ; Sun, 22 Oct 2017 23:06:48 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.52 X-Spam-Level: X-Spam-Status: No, score=-14.52 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wOAmSyD5Hikn for ; Sun, 22 Oct 2017 23:06:47 -0700 (PDT) Received: from alln-iport-3.cisco.com (alln-iport-3.cisco.com [173.37.142.90]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D7EDB13DBBB for ; Sun, 22 Oct 2017 23:06:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=7562; q=dns/txt; s=iport; t=1508738806; x=1509948406; h=subject:references:from:to:message-id:date:mime-version: in-reply-to; bh=5N3eCMKF9HHZW8dve+3ib+9QjoIeibh4abpvKlVLnjo=; b=QWNf3b48NTU5gWx/4s/x2qXwb5+fMxqtLevvZ+0QjTov6A7xnHWxHgSI UOZWAwA6OEvFnhR9kutGszwxulWQjdtUSo6mXo6X53RzQ7pLwKfuqn1OM 98SaL21GMc422Kla3MhM+pqLVjApwqQUTUbyN6BO3Ffe5K0Cv4Vv/xwQC I=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0CpAADkhe1Z/5xdJa1dGQEBAQEBAQEBA?= =?us-ascii?q?QEBBwEBAQEBgzAuZG4ng3qKH48+PwEBAQEBAQUBgSoFkHeFQoIRChgBDIUWAoR?= =?us-ascii?q?APxgBAgEBAQEBAQFrHQuFHgEBAQMBARsGSxsjKgICJzAGDQYCAQGKDw0Qq1eCJ?= =?us-ascii?q?yaKcQEBAQEBAQEDAQEBAQEBASGDLoIHgQmCMCmGM4RngmEFkmGPBYdkjRCCFV2?= =?us-ascii?q?FHYNdhzWVfIE5HziBWzQhCB0VHyqCZAmEdiA2i0oBAQE?= X-IronPort-AV: E=Sophos; i="5.43,421,1503360000"; d="scan'208,217"; a="20732574" Received: from rcdn-core-5.cisco.com ([173.37.93.156]) by alln-iport-3.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Oct 2017 06:06:46 +0000 Received: from [10.24.44.35] ([10.24.44.35]) by rcdn-core-5.cisco.com (8.14.5/8.14.5) with ESMTP id v9N66jpj019234 for ; Mon, 23 Oct 2017 06:06:45 GMT References: <150755222360.18344.1168611368125522231@ietfa.amsl.com> From: Abhay Roy To: "ospf@ietf.org" Message-ID: <368b3e84-d528-fad8-64c6-5ae5024fb990@cisco.com> Date: Sun, 22 Oct 2017 23:06:45 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/alternative; boundary="------------00900DDED47AB0342EDA6DA4" Content-Language: en-US Archived-At: Subject: [OSPF] Working Group Last Call for draft-ietf-ospf-ospfv3-lsa-extend X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Oct 2017 06:06:49 -0000 This is a multi-part message in MIME format. --------------00900DDED47AB0342EDA6DA4 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit We are starting the Working Group Last Call of this revision of the subject draft. Draft has been stable for a while waiting for some implementations. Also, there are multiple drafts waiting to allocate code points from the new IANA registries coming from this draft. The OSPF WG last call will end at 9am PST on Nov 6 2017. Abhay/Acee On 10/9/17 5:32 AM, Acee Lindem (acee) wrote: > This is a simple refresh. We will WG last call this version. > Thanks, > Acee > > On 10/9/17, 8:30 AM, "OSPF on behalf of internet-drafts@ietf.org" > wrote: > >> A New Internet-Draft is available from the on-line Internet-Drafts >> directories. >> This draft is a work item of the Open Shortest Path First IGP WG of the >> IETF. >> >> Title : OSPFv3 LSA Extendibility >> Authors : Acee Lindem >> Abhay Roy >> Dirk Goethals >> Veerendranatha Reddy Vallem >> Fred Baker >> Filename : draft-ietf-ospf-ospfv3-lsa-extend-15.txt >> Pages : 37 >> Date : 2017-10-09 >> >> Abstract: >> OSPFv3 requires functional extension beyond what can readily be done >> with the fixed-format Link State Advertisement (LSA) as described in >> RFC 5340. Without LSA extension, attributes associated with OSPFv3 >> links and advertised IPv6 prefixes must be advertised in separate >> LSAs and correlated to the fixed-format LSAs. This document extends >> the LSA format by encoding the existing OSPFv3 LSA information in >> Type-Length-Value (TLV) tuples and allowing advertisement of >> additional information with additional TLVs. Backward compatibility >> mechanisms are also described. >> >> >> The IETF datatracker status page for this draft is: >> https://datatracker.ietf.org/doc/draft-ietf-ospf-ospfv3-lsa-extend/ >> >> There are also htmlized versions available at: >> https://tools.ietf.org/html/draft-ietf-ospf-ospfv3-lsa-extend-15 >> https://datatracker.ietf.org/doc/html/draft-ietf-ospf-ospfv3-lsa-extend-15 >> >> A diff from the previous version is available at: >> https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-ospfv3-lsa-extend-15 >> >> >> Please note that it may take a couple of minutes from the time of >> submission >> until the htmlized version and diff are available at tools.ietf.org. >> >> Internet-Drafts are also available by anonymous FTP at: >> ftp://ftp.ietf.org/internet-drafts/ >> >> _______________________________________________ >> OSPF mailing list >> OSPF@ietf.org >> https://www.ietf.org/mailman/listinfo/ospf > _______________________________________________ > OSPF mailing list > OSPF@ietf.org > https://www.ietf.org/mailman/listinfo/ospf --------------00900DDED47AB0342EDA6DA4 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit We are starting the Working Group Last Call of this revision of the subject draft. Draft has been stable for a while waiting for some implementations.

Also, there are multiple drafts waiting to allocate code points from the new IANA registries coming from this draft.

The OSPF WG last call will end at 9am PST on Nov 6 2017.

Abhay/Acee


On 10/9/17 5:32 AM, Acee Lindem (acee) wrote:
This is a simple refresh. We will WG last call this version.
Thanks,
Acee 

On 10/9/17, 8:30 AM, "OSPF on behalf of internet-drafts@ietf.org"
<ospf-bounces@ietf.org on behalf of internet-drafts@ietf.org> wrote:


A New Internet-Draft is available from the on-line Internet-Drafts
directories.
This draft is a work item of the Open Shortest Path First IGP WG of the
IETF.

       Title           : OSPFv3 LSA Extendibility
       Authors         : Acee Lindem
                         Abhay Roy
                         Dirk Goethals
                         Veerendranatha Reddy Vallem
                         Fred Baker
	Filename        : draft-ietf-ospf-ospfv3-lsa-extend-15.txt
	Pages           : 37
	Date            : 2017-10-09

Abstract:
  OSPFv3 requires functional extension beyond what can readily be done
  with the fixed-format Link State Advertisement (LSA) as described in
  RFC 5340.  Without LSA extension, attributes associated with OSPFv3
  links and advertised IPv6 prefixes must be advertised in separate
  LSAs and correlated to the fixed-format LSAs.  This document extends
  the LSA format by encoding the existing OSPFv3 LSA information in
  Type-Length-Value (TLV) tuples and allowing advertisement of
  additional information with additional TLVs.  Backward compatibility
  mechanisms are also described.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-ospf-ospfv3-lsa-extend/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-ospf-ospfv3-lsa-extend-15
https://datatracker.ietf.org/doc/html/draft-ietf-ospf-ospfv3-lsa-extend-15

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-ospfv3-lsa-extend-15


Please note that it may take a couple of minutes from the time of
submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/

_______________________________________________
OSPF mailing list
OSPF@ietf.org
https://www.ietf.org/mailman/listinfo/ospf

_______________________________________________
OSPF mailing list
OSPF@ietf.org
https://www.ietf.org/mailman/listinfo/ospf

--------------00900DDED47AB0342EDA6DA4-- From nobody Mon Oct 23 01:26:55 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0E5A313EFE3; Mon, 23 Oct 2017 01:26:48 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.501 X-Spam-Level: X-Spam-Status: No, score=-14.501 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id BtA1oTzUpBhf; Mon, 23 Oct 2017 01:26:46 -0700 (PDT) Received: from aer-iport-3.cisco.com (aer-iport-3.cisco.com [173.38.203.53]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E16FB13EFE0; 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23 Oct 2017 08:26:42 +0000 Received: from [10.60.140.54] (ams-ppsenak-nitro5.cisco.com [10.60.140.54]) by aer-core-1.cisco.com (8.14.5/8.14.5) with ESMTP id v9N8Qgqs014707; Mon, 23 Oct 2017 08:26:42 GMT Message-ID: <59EDA7CD.2080804@cisco.com> Date: Mon, 23 Oct 2017 10:26:53 +0200 From: Peter Psenak User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Christian Hopps , "isis-wg@ietf.org" , "ospf@ietf.org" CC: ospf-ads@ietf.org, "isis-chairs@ietf.org" , "isis-ads@ietf.org" , "ospf-chairs@ietf.org" References: <87h8uvmecv.fsf@chopps.org> In-Reply-To: <87h8uvmecv.fsf@chopps.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Archived-At: Subject: Re: [OSPF] IS-IS and OSPF Call for agenda slots @ IETF-100 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Oct 2017 08:26:48 -0000 Hi Folks, authors of the following drafts would like to request a slot: - draft-ietf-ospf-lls-interface-id-00 - 10 mims - draft-hegdeppsenak-isis-sr-flex-algo-00 - 20 mins thanks, Peter On 19/10/17 15:55 , Christian Hopps wrote: > > Hi OSPF and IS-IS, > > The preliminary agenda has been posted: > > https://datatracker.ietf.org/meeting/100/agenda.html > > Our 2.5h joint session of IS-IS and OSPF is tentatively scheduled for > Thursday from 9:30am to 12:00pm (+08). > > Please send your requests for a presentation slot, indicating > draft name, speaker, and desired duration (covering presentation and > discussion) to isis-chairs@ietf.org or ospf-chairs@ietf.org. > > Thanks, > Abhay, Acee, Chris and Hannes. > > > > _______________________________________________ > OSPF mailing list > OSPF@ietf.org > https://www.ietf.org/mailman/listinfo/ospf > From nobody Mon Oct 23 04:23:44 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D106713F3A9; 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23 Oct 2017 11:23:34 +0000 Received: from XCH-RTP-014.cisco.com (xch-rtp-014.cisco.com [64.101.220.154]) by rcdn-core-2.cisco.com (8.14.5/8.14.5) with ESMTP id v9NBNXUN018265 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Mon, 23 Oct 2017 11:23:33 GMT Received: from xch-rtp-015.cisco.com (64.101.220.155) by XCH-RTP-014.cisco.com (64.101.220.154) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Mon, 23 Oct 2017 07:23:32 -0400 Received: from xch-rtp-015.cisco.com ([64.101.220.155]) by XCH-RTP-015.cisco.com ([64.101.220.155]) with mapi id 15.00.1320.000; Mon, 23 Oct 2017 07:23:32 -0400 From: "Acee Lindem (acee)" To: "Peter Psenak (ppsenak)" , Christian Hopps , "isis-wg@ietf.org" , "ospf@ietf.org" CC: "ospf-ads@ietf.org" , "isis-chairs@ietf.org" , "isis-ads@ietf.org" , "ospf-chairs@ietf.org" Thread-Topic: [OSPF] IS-IS and OSPF Call for agenda slots @ IETF-100 Thread-Index: AQHTS9itoI0RM1UNt0eFoKcoQS+9vKLxSuIA Date: Mon, 23 Oct 2017 11:23:32 +0000 Message-ID: References: <87h8uvmecv.fsf@chopps.org> <59EDA7CD.2080804@cisco.com> In-Reply-To: <59EDA7CD.2080804@cisco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.195] Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] IS-IS and OSPF Call for agenda slots @ IETF-100 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Oct 2017 11:23:37 -0000 SGkgUGV0ZXIsIA0KDQpXZeKAmWxsIGFkZCB0aGVzZSB0byB0aGUgYWdlbmRhLg0KDQpUaGFua3Ms DQpBY2VlIA0KDQpPbiAxMC8yMy8xNywgNDoyNiBBTSwgIlBldGVyIFBzZW5hayAocHBzZW5hayki IDxwcHNlbmFrQGNpc2NvLmNvbT4gd3JvdGU6DQoNCj5IaSBGb2xrcywNCj4NCj5hdXRob3JzIG9m IHRoZSBmb2xsb3dpbmcgZHJhZnRzIHdvdWxkIGxpa2UgdG8gcmVxdWVzdCBhIHNsb3Q6DQo+DQo+ LSBkcmFmdC1pZXRmLW9zcGYtbGxzLWludGVyZmFjZS1pZC0wMCAtIDEwIG1pbXMNCj4NCj4tIGRy YWZ0LWhlZ2RlcHBzZW5hay1pc2lzLXNyLWZsZXgtYWxnby0wMCAtIDIwIG1pbnMNCj4NCj50aGFu a3MsDQo+UGV0ZXINCj4NCj4NCj5PbiAxOS8xMC8xNyAxNTo1NSAsIENocmlzdGlhbiBIb3BwcyB3 cm90ZToNCj4+DQo+PiBIaSBPU1BGIGFuZCBJUy1JUywNCj4+DQo+PiBUaGUgcHJlbGltaW5hcnkg YWdlbmRhIGhhcyBiZWVuIHBvc3RlZDoNCj4+DQo+PiAgICAgaHR0cHM6Ly9kYXRhdHJhY2tlci5p ZXRmLm9yZy9tZWV0aW5nLzEwMC9hZ2VuZGEuaHRtbA0KPj4NCj4+IE91ciAyLjVoIGpvaW50IHNl c3Npb24gb2YgSVMtSVMgYW5kIE9TUEYgaXMgdGVudGF0aXZlbHkgc2NoZWR1bGVkIGZvcg0KPj4g VGh1cnNkYXkgZnJvbSA5OjMwYW0gdG8gMTI6MDBwbSAoKzA4KS4NCj4+DQo+PiBQbGVhc2Ugc2Vu ZCB5b3VyIHJlcXVlc3RzIGZvciBhIHByZXNlbnRhdGlvbiBzbG90LCBpbmRpY2F0aW5nDQo+PiBk cmFmdCBuYW1lLCBzcGVha2VyLCBhbmQgZGVzaXJlZCBkdXJhdGlvbiAoY292ZXJpbmcgcHJlc2Vu dGF0aW9uIGFuZA0KPj4gZGlzY3Vzc2lvbikgdG8gaXNpcy1jaGFpcnNAaWV0Zi5vcmcgb3Igb3Nw Zi1jaGFpcnNAaWV0Zi5vcmcuDQo+Pg0KPj4gVGhhbmtzLA0KPj4gQWJoYXksIEFjZWUsIENocmlz IGFuZCBIYW5uZXMuDQo+Pg0KPj4NCj4+DQo+PiBfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXw0KPj4gT1NQRiBtYWlsaW5nIGxpc3QNCj4+IE9TUEZAaWV0Zi5v cmcNCj4+IGh0dHBzOi8vd3d3LmlldGYub3JnL21haWxtYW4vbGlzdGluZm8vb3NwZg0KPj4NCj4N Cg0K From nobody Tue Oct 24 01:28:18 2017 Return-Path: X-Original-To: ospf@ietf.org Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id EEB7413E1DA; Tue, 24 Oct 2017 01:28:16 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: ospf@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.63.2 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <150883369693.25210.10641041196102368874@ietfa.amsl.com> Date: Tue, 24 Oct 2017 01:28:16 -0700 Archived-At: Subject: [OSPF] I-D Action: draft-ietf-ospf-segment-routing-extensions-21.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Oct 2017 08:28:17 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP WG of the IETF. Title : OSPF Extensions for Segment Routing Authors : Peter Psenak Stefano Previdi Clarence Filsfils Hannes Gredler Rob Shakir Wim Henderickx Jeff Tantsura Filename : draft-ietf-ospf-segment-routing-extensions-21.txt Pages : 28 Date : 2017-10-24 Abstract: Segment Routing (SR) allows a flexible definition of end-to-end paths within IGP topologies by encoding paths as sequences of topological sub-paths, called "segments". These segments are advertised by the link-state routing protocols (IS-IS and OSPF). This draft describes the OSPF extensions required for Segment Routing. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-segment-routing-extensions/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-ospf-segment-routing-extensions-21 https://datatracker.ietf.org/doc/html/draft-ietf-ospf-segment-routing-extensions-21 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-segment-routing-extensions-21 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Tue Oct 24 09:30:17 2017 Return-Path: X-Original-To: ospf@ietf.org Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 205751393A5; Tue, 24 Oct 2017 09:30:03 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.63.2 Auto-Submitted: auto-generated Precedence: bulk Cc: The IESG , draft-ietf-ospf-encapsulation-cap@ietf.org, ospf@ietf.org, Acee Lindem , akatlas@gmail.com, acee@cisco.com, ospf-chairs@ietf.org, rfc-editor@rfc-editor.org MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <150886260312.25249.2441153576270054549.idtracker@ietfa.amsl.com> Date: Tue, 24 Oct 2017 09:30:03 -0700 Archived-At: Subject: [OSPF] Protocol Action: 'The Tunnel Encapsulations OSPF Router Information' to Proposed Standard (draft-ietf-ospf-encapsulation-cap-09.txt) X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Oct 2017 16:30:03 -0000 The IESG has approved the following document: - 'The Tunnel Encapsulations OSPF Router Information' (draft-ietf-ospf-encapsulation-cap-09.txt) as Proposed Standard This document is the product of the Open Shortest Path First IGP Working Group. The IESG contact persons are Alvaro Retana, Alia Atlas and Deborah Brungard. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-encapsulation-cap/ Technical Summary This document specifies extensions to OSPF Router Informational (RI) to advertise multiple node tunnel capabilities and associated tunnel parameters (e.g., endpoint). These tunnel capabilities can then be used to determine whether an OSPF router can act as the endpoint for a specific tunnel type (i.e., encapsulation). Working Group Summary There was concern that the document didn't satisfy a real requirement and was unnecessary. Much of the debate transpired in the IS-IS WG. Subsequently, consensus was reached on the attendant use cases. Document Quality This document has been a WG document for more than 1 1/2 years and has been stable other than addressing minor comments. I do not know of implementations. Personnel Acee Lindem is the Document Shepherd. Alia Atlas is the Responsible Area Director. From nobody Tue Oct 24 16:26:38 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9D77F13F8E9 for ; Tue, 24 Oct 2017 16:26:37 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.52 X-Spam-Level: X-Spam-Status: No, score=-14.52 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 78Bc_Bor8Z1P for ; Tue, 24 Oct 2017 16:26:35 -0700 (PDT) Received: from rcdn-iport-2.cisco.com 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[64.101.220.153]) by rcdn-core-4.cisco.com (8.14.5/8.14.5) with ESMTP id v9ONPgia027520 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Tue, 24 Oct 2017 23:25:42 GMT Received: from xch-rtp-015.cisco.com (64.101.220.155) by XCH-RTP-013.cisco.com (64.101.220.153) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Tue, 24 Oct 2017 19:25:41 -0400 Received: from xch-rtp-015.cisco.com ([64.101.220.155]) by XCH-RTP-015.cisco.com ([64.101.220.155]) with mapi id 15.00.1320.000; Tue, 24 Oct 2017 19:25:41 -0400 From: "Acee Lindem (acee)" To: "olivier.dugeon@orange.com" , "ospf@ietf.org" , "isis@ietf.org" Thread-Topic: [OSPF] Comments on draft-ietf-ospf-te-link-attr-reuse-01.txt and draft-ietf-isis-te-app-01.txt Thread-Index: AQHTRo/7E1tsMAVpwUG0j+g/c1ZCzKLzsY6A Date: Tue, 24 Oct 2017 23:25:41 +0000 Message-ID: References: <10170_1508166197_59E4CA35_10170_182_6_e39cb950-80c3-bc84-dd0b-21a67e45dc0a@orange.com> In-Reply-To: <10170_1508166197_59E4CA35_10170_182_6_e39cb950-80c3-bc84-dd0b-21a67e45dc0a@orange.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.195] Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] Comments on draft-ietf-ospf-te-link-attr-reuse-01.txt and draft-ietf-isis-te-app-01.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Oct 2017 23:26:37 -0000 SGkgT2xpdmllciwgDQoNCklmIHlvdSByZWFkIHRoZSBkZWZpbml0aW9ucyBvZiBVbmlkaXJlY3Rp b25hbCByZXNpZHVhbCwgYXZhaWxhYmxlLCBhbmQNCnV0aWxpemVkIGJhbmR3aWR0aCBpbiBSRkMg 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dy5pZXRmLm9yZy9tYWlsbWFuL2xpc3RpbmZvL29zcGYNCg0K From nobody Wed Oct 25 02:37:40 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0419113ADBD for ; Wed, 25 Oct 2017 02:37:39 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.619 X-Spam-Level: X-Spam-Status: No, score=-2.619 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FamwF2QzipS1 for ; Wed, 25 Oct 2017 02:37:37 -0700 (PDT) Received: from orange.com (mta240.mail.business.static.orange.com [80.12.66.40]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B75AC139436 for ; Wed, 25 Oct 2017 02:37:36 -0700 (PDT) Received: from opfedar06.francetelecom.fr (unknown [xx.xx.xx.8]) by opfedar24.francetelecom.fr (ESMTP service) with ESMTP id 405C9C10EB; Wed, 25 Oct 2017 11:37:35 +0200 (CEST) Received: from Exchangemail-eme2.itn.ftgroup (unknown [xx.xx.31.34]) by opfedar06.francetelecom.fr (ESMTP service) with ESMTP id 226BF80073; Wed, 25 Oct 2017 11:37:35 +0200 (CEST) Received: from [10.193.71.231] (10.168.234.2) by OPEXCLILM6F.corporate.adroot.infra.ftgroup (10.114.31.34) with Microsoft SMTP Server (TLS) id 14.3.361.1; Wed, 25 Oct 2017 11:37:34 +0200 To: "Acee Lindem (acee)" , "ospf@ietf.org" , "isis@ietf.org" References: <10170_1508166197_59E4CA35_10170_182_6_e39cb950-80c3-bc84-dd0b-21a67e45dc0a@orange.com> From: Organization: Orange Labs Message-ID: <650_1508924255_59F05B5F_650_30_1_ca19b84b-f7da-0bca-b0de-5d5f4d6e81e0@orange.com> Date: Wed, 25 Oct 2017 11:37:33 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Language: en-GB X-Originating-IP: [10.168.234.2] Archived-At: Subject: Re: [OSPF] Comments on draft-ietf-ospf-te-link-attr-reuse-01.txt and draft-ietf-isis-te-app-01.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Oct 2017 09:37:39 -0000 Hi Acee, I agree, but I'm not referring to Unidirectional residual, available and ut= ilized bandwidth as per RFC 7471. My comment concerns the MaximumBandwidth, MaximumReservableBandwidth and Un= reservedBandwidth parameters defined in RFC 3630that are used by the CSPF t= o compute the path. These one are not aggregate if I correctly understand t= he proposed draft. I also don't understand why these standard TE parameters= are duplicate in the ISIS draft and not mention in the OSPF draft. Do we g= o to a different behaviour between IS-IS and OSPF ? Now, if the proposed drafts aims to used onlythese new Performance Metrics = without duplicate them per application, my question becomes: Why a new draf= ts ? Why not simply implement RFC 7471 and RFC 7810 ? Up to now, I know onl= y one partial implementation of these 2 RFCs (in FR-Routing Open Source pro= ject). Regards Olivier Le 25/10/2017 =C3=A0 01:25, Acee Lindem (acee) a =C3=A9crit=C2=A0: > Hi Olivier,=20 > > If you read the definitions of Unidirectional residual, available, and > utilized bandwidth in RFC 7471 you will note that these are all aggregate > rather than application specific values. In other words, they will not > vary per application. > > Thanks, > Acee=20 > > On 10/16/17, 11:03 AM, "OSPF on behalf of olivier.dugeon@orange.com" > wrote: > >> Dear authors, >> >> Please find below a comment on both >> draft-ietf-ospf-te-link-attr-reuse-01.txt and >> draft-ietf-isis-te-app-01.txt. >> >> I consider the use case of bandwidth reservation. I know this is not the >> most common use case, but the one I known well. The context is that of an >> operator who would setup some RSVP-TE tunnels and simultaneously SR-TE >> paths with bandwidth reservation. In this particular case, it is not >> possible to manage both reservation with the drafts as they are. >> >> Indeed, in OSPF draft, it is not proposed to advertised the usual >> bandwidth parameters as defined in RFC3630 and in ISIS, it is proposed to >> duplicate these parameters per application. The main problem arises from >> the fact that each application, in this case SR-TE and RSVP-TE, >> independently compute a path and therefore reserve bandwidth on their >> respective set of parameters. However, this will lead at a some point to >> bandwidth overbooking, which exactly what an operator wants to avoid by >> performing bandwidth reservation. Even if a PCE can be used to handle >> both the RSVP-TE tunnels and SR-TE paths, the same problem arises because >> each path computation is performed on a different set of bandwidth >> parameters i.e. one TED per application whereas these information relate >> to the same links. Of course a central entity like a PCE might try to >> reconcile the information into a single TED, but this will greatly >> increase the complexity of the PCE with a risk that the TE information >> will >> never be up to date, so at the end unnecessary. >> >> So, for me there are only 2 possibles solutions to avoid this overbooking >> problem: >> >> 1/ Split and partition network resources to avoid conflicts. But, this >> leads into a poor network usage. Indeed, if an application like RSVP-TE >> uses less bandwidth than its budget, why the SR-TE application could not >> reuse them if it has reached its threshold ? The under utilization of >> network resources will increase proportionally with the number of >> applications. Imagine if we want to use this principle for network >> Slicing. I understand the advantage for vendors, but I'm on the operator >> side ;-) >> >> 2/ Each time an application reserved some bandwidth, the routers >> concerned by this new path must update the bandwidth parameters of the >> concerned link not only to the given application, but also to all others. >> For example, when RSVP-TE setup a tunnel, Unreserved Bandwidth parameters >> must be updated in the standard RFC3630 set, but also in SR-TE parameters >> set. But, in this case, why duplicate TE parameters if at the end all set >> carry the same values, apart wasting CPU and bandwidth ? >> >> In summary, duplicate TE information is only relevant for the added >> metrics i.e. delay, loss, jitter ... but unusable for concave metrics >> i.e. bandwidth. >> >> Can you explain me how you intend to solve this issue as both possible >> solutions are not suitable for an operator. >> >> Best Regards >> >> Olivier >> >> ________________________________________________________________________= __ >> _______________________________________________ >> >> Ce message et ses pieces jointes peuvent contenir des informations >> confidentielles ou privilegiees et ne doivent donc >> pas etre diffuses, exploites ou copies sans autorisation. Si vous avez >> recu ce message par erreur, veuillez le signaler >> a l'expediteur et le detruire ainsi que les pieces jointes. Les messages >> electroniques etant susceptibles d'alteration, >> Orange decline toute responsabilite si ce message a ete altere, deforme >> ou falsifie. Merci. >> >> This message and its attachments may contain confidential or privileged >> information that may be protected by law; >> they should not be distributed, used or copied without authorisation. >> If you have received this email in error, please notify the sender and >> delete this message and its attachments. >> As emails may be altered, Orange is not liable for messages that have >> been modified, changed or falsified. >> Thank you. >> >> _______________________________________________ >> OSPF mailing list >> OSPF@ietf.org >> https://www.ietf.org/mailman/listinfo/ospf ___________________________________________________________________________= ______________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confiden= tielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu= ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el= ectroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou = falsifie. Merci. This message and its attachments may contain confidential or privileged inf= ormation that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and dele= te this message and its attachments. As emails may be altered, Orange is not liable for messages that have been = modified, changed or falsified. Thank you. From nobody Wed Oct 25 04:45:31 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 63A4313AE08 for ; Wed, 25 Oct 2017 04:45:30 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.521 X-Spam-Level: X-Spam-Status: No, score=-14.521 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0jXRT4Kb2UDn for ; Wed, 25 Oct 2017 04:45:28 -0700 (PDT) Received: from alln-iport-8.cisco.com (alln-iport-8.cisco.com 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(acee)" To: "olivier.dugeon@orange.com" , "ospf@ietf.org" , "isis@ietf.org" Thread-Topic: [OSPF] Comments on draft-ietf-ospf-te-link-attr-reuse-01.txt and draft-ietf-isis-te-app-01.txt Thread-Index: AQHTRo/7E1tsMAVpwUG0j+g/c1ZCzKLzsY6AgADuJID//+CLAA== Date: Wed, 25 Oct 2017 11:45:25 +0000 Message-ID: References: <10170_1508166197_59E4CA35_10170_182_6_e39cb950-80c3-bc84-dd0b-21a67e45dc0a@orange.com> <650_1508924255_59F05B5F_650_30_1_ca19b84b-f7da-0bca-b0de-5d5f4d6e81e0@orange.com> In-Reply-To: <650_1508924255_59F05B5F_650_30_1_ca19b84b-f7da-0bca-b0de-5d5f4d6e81e0@orange.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.195] Content-Type: text/plain; charset="utf-8" Content-ID: <074B302A656EE3438A891D40533796C4@emea.cisco.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] Comments on draft-ietf-ospf-te-link-attr-reuse-01.txt and draft-ietf-isis-te-app-01.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Oct 2017 11:45:30 -0000 SGkgT2xpdmllciwgDQoNCk9uIDEwLzI1LzE3LCA1OjM3IEFNLCAib2xpdmllci5kdWdlb25Ab3Jh bmdlLmNvbSINCjxvbGl2aWVyLmR1Z2VvbkBvcmFuZ2UuY29tPiB3cm90ZToNCg0KPkhpIEFjZWUs DQo+DQo+SSBhZ3JlZSwgYnV0IEknbSBub3QgcmVmZXJyaW5nIHRvIFVuaWRpcmVjdGlvbmFsIHJl c2lkdWFsLCBhdmFpbGFibGUgYW5kDQo+dXRpbGl6ZWQgYmFuZHdpZHRoIGFzIHBlciBSRkMgNzQ3 MS4NCj4NCj5NeSBjb21tZW50IGNvbmNlcm5zIHRoZSBNYXhpbXVtQmFuZHdpZHRoLCBNYXhpbXVt UmVzZXJ2YWJsZUJhbmR3aWR0aCBhbmQNCj5VbnJlc2VydmVkQmFuZHdpZHRoIHBhcmFtZXRlcnMg ZGVmaW5lZCBpbiBSRkMgMzYzMHRoYXQgYXJlIHVzZWQgYnkgdGhlDQo+Q1NQRiB0byBjb21wdXRl IHRoZSBwYXRoLiBUaGVzZSBvbmUgYXJlIG5vdCBhZ2dyZWdhdGUgaWYgSSBjb3JyZWN0bHkNCj51 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IHVzZWQgb3IgY29waWVkIHdpdGhvdXQgYXV0aG9yaXNhdGlvbi4NCj5JZiB5b3UgaGF2ZSByZWNl aXZlZCB0aGlzIGVtYWlsIGluIGVycm9yLCBwbGVhc2Ugbm90aWZ5IHRoZSBzZW5kZXIgYW5kDQo+ ZGVsZXRlIHRoaXMgbWVzc2FnZSBhbmQgaXRzIGF0dGFjaG1lbnRzLg0KPkFzIGVtYWlscyBtYXkg YmUgYWx0ZXJlZCwgT3JhbmdlIGlzIG5vdCBsaWFibGUgZm9yIG1lc3NhZ2VzIHRoYXQgaGF2ZQ0K PmJlZW4gbW9kaWZpZWQsIGNoYW5nZWQgb3IgZmFsc2lmaWVkLg0KPlRoYW5rIHlvdS4NCj4NCg0K From nobody Wed Oct 25 09:53:19 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8B4BE1394F1; Wed, 25 Oct 2017 09:53:13 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.619 X-Spam-Level: X-Spam-Status: No, score=-2.619 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id BljZOa3SP19c; Wed, 25 Oct 2017 09:53:11 -0700 (PDT) Received: from orange.com (mta239.mail.business.static.orange.com [80.12.66.39]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 15633138BE7; Wed, 25 Oct 2017 09:53:11 -0700 (PDT) Received: from opfedar04.francetelecom.fr (unknown [xx.xx.xx.6]) by opfedar20.francetelecom.fr (ESMTP service) with ESMTP id B9AC41205FC; Wed, 25 Oct 2017 18:53:09 +0200 (CEST) Received: from Exchangemail-eme2.itn.ftgroup (unknown [xx.xx.31.34]) by opfedar04.francetelecom.fr (ESMTP service) with ESMTP id 9B4B340069; Wed, 25 Oct 2017 18:53:09 +0200 (CEST) Received: from [10.193.71.231] (10.168.234.4) by OPEXCLILM6F.corporate.adroot.infra.ftgroup (10.114.31.34) with Microsoft SMTP Server (TLS) id 14.3.361.1; Wed, 25 Oct 2017 18:53:09 +0200 To: "Acee Lindem (acee)" , "ospf@ietf.org" , "isis-wg@ietf.org" References: <10170_1508166197_59E4CA35_10170_182_6_e39cb950-80c3-bc84-dd0b-21a67e45dc0a@orange.com> <650_1508924255_59F05B5F_650_30_1_ca19b84b-f7da-0bca-b0de-5d5f4d6e81e0@orange.com> From: Organization: Orange Labs Message-ID: <12783_1508950389_59F0C175_12783_211_1_0f38311d-73ba-a67f-91e6-81faa3885897@orange.com> Date: Wed, 25 Oct 2017 18:53:08 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Language: en-GB X-Originating-IP: [10.168.234.4] Archived-At: Subject: Re: [OSPF] Comments on draft-ietf-ospf-te-link-attr-reuse-01.txt and draft-ietf-isis-te-app-01.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Oct 2017 16:53:13 -0000 Acee, First apologize for my typo error on IS-IS mailing list. I hope every body = got the thread from the beginning (thanks to the OSPF & IS-IS mailing list = inter redistribution). Then, my answers in line. Le 25/10/2017 =C3=A0 13:45, Acee Lindem (acee) a =C3=A9crit=C2=A0: > Hi Olivier,=20 > > On 10/25/17, 5:37 AM, "olivier.dugeon@orange.com" > wrote: > >> Hi Acee, >> >> I agree, but I'm not referring to Unidirectional residual, available and >> utilized bandwidth as per RFC 7471. >> >> My comment concerns the MaximumBandwidth, MaximumReservableBandwidth and >> UnreservedBandwidth parameters defined in RFC 3630that are used by the >> CSPF to compute the path. These one are not aggregate if I correctly >> understand the proposed draft. I also don't understand why these standard >> TE parameters are duplicate in the ISIS draft and not mention in the OSPF >> draft. Do we go to a different behaviour between IS-IS and OSPF ? > If read beyond the draft title, you=E2=80=99ll see that these reservation > parameters are not included in draft-ietf-ospf-te-link-attr-reuse. I read carefully the draft and it is exactly what it makes confuse me when = I read carefully draft-ietf-isis-te-app-01.txt which explicitly reuse these= reservation parameters and suggest to duplicate them per application. The = latter is my concerns as it will potentially break the possibility to perfo= rm efficient bandwidth reservation with both RSVP-TE and SR-TE in a same ne= twork. For me, this will be certainly the main use case during the transiti= on period when an operator will go to SR-TE from RSVP-TE. Both protocol mus= t be manage simultaneously during a large period of time. If standard reser= vation parameters are duplicated, it will be a nightmare to manage efficien= tly bandwidth reservation without wasting bandwidth. So, I would understand if 1) both draft will be align ? 2) in which direction i.e. with or without reservation information and 3) if reservation parameters are included, how my use case could be solved ? > >> Now, if the proposed drafts aims to used onlythese new Performance >> Metrics without duplicate them per application, my question becomes: Why >> a new drafts ? Why not simply implement RFC 7471 and RFC 7810 ? Up to >> now, I know only one partial implementation of these 2 RFCs (in >> FR-Routing Open Source project). > With respect to OSPF, this topic was already discussed at great length on > the OSPF list and during the IETF meetings in both Seoul and Chicago. > Please see the OSPF list archive. Apologize. I'm jumping on the bandwagon now. Regards Olivier ** > > Thanks, > Acee=20 >> Regards >> >> Olivier >> >> >> Le 25/10/2017 =C3=A0 01:25, Acee Lindem (acee) a =C3=A9crit : >>> Hi Olivier,=20 >>> >>> If you read the definitions of Unidirectional residual, available, and >>> utilized bandwidth in RFC 7471 you will note that these are all >>> aggregate >>> rather than application specific values. In other words, they will not >>> vary per application. >>> >>> Thanks, >>> Acee=20 >>> >>> On 10/16/17, 11:03 AM, "OSPF on behalf of olivier.dugeon@orange.com" >>> wrote: >>> >>>> Dear authors, >>>> >>>> Please find below a comment on both >>>> draft-ietf-ospf-te-link-attr-reuse-01.txt and >>>> draft-ietf-isis-te-app-01.txt. >>>> >>>> I consider the use case of bandwidth reservation. I know this is not >>>> the >>>> most common use case, but the one I known well. The context is that of >>>> an >>>> operator who would setup some RSVP-TE tunnels and simultaneously SR-TE >>>> paths with bandwidth reservation. In this particular case, it is not >>>> possible to manage both reservation with the drafts as they are. >>>> >>>> Indeed, in OSPF draft, it is not proposed to advertised the usual >>>> bandwidth parameters as defined in RFC3630 and in ISIS, it is proposed >>>> to >>>> duplicate these parameters per application. The main problem arises >>>> from >>>> the fact that each application, in this case SR-TE and RSVP-TE, >>>> independently compute a path and therefore reserve bandwidth on their >>>> respective set of parameters. However, this will lead at a some point >>>> to >>>> bandwidth overbooking, which exactly what an operator wants to avoid by >>>> performing bandwidth reservation. Even if a PCE can be used to handle >>>> both the RSVP-TE tunnels and SR-TE paths, the same problem arises >>>> because >>>> each path computation is performed on a different set of bandwidth >>>> parameters i.e. one TED per application whereas these information >>>> relate >>>> to the same links. Of course a central entity like a PCE might try to >>>> reconcile the information into a single TED, but this will greatly >>>> increase the complexity of the PCE with a risk that the TE information >>>> will >>>> never be up to date, so at the end unnecessary. >>>> >>>> So, for me there are only 2 possibles solutions to avoid this >>>> overbooking >>>> problem: >>>> >>>> 1/ Split and partition network resources to avoid conflicts. But, this >>>> leads into a poor network usage. Indeed, if an application like RSVP-TE >>>> uses less bandwidth than its budget, why the SR-TE application could >>>> not >>>> reuse them if it has reached its threshold ? The under utilization of >>>> network resources will increase proportionally with the number of >>>> applications. Imagine if we want to use this principle for network >>>> Slicing. I understand the advantage for vendors, but I'm on the >>>> operator >>>> side ;-) >>>> >>>> 2/ Each time an application reserved some bandwidth, the routers >>>> concerned by this new path must update the bandwidth parameters of the >>>> concerned link not only to the given application, but also to all >>>> others. >>>> For example, when RSVP-TE setup a tunnel, Unreserved Bandwidth >>>> parameters >>>> must be updated in the standard RFC3630 set, but also in SR-TE >>>> parameters >>>> set. But, in this case, why duplicate TE parameters if at the end all >>>> set >>>> carry the same values, apart wasting CPU and bandwidth ? >>>> >>>> In summary, duplicate TE information is only relevant for the added >>>> metrics i.e. delay, loss, jitter ... but unusable for concave metrics >>>> i.e. bandwidth. >>>> >>>> Can you explain me how you intend to solve this issue as both possible >>>> solutions are not suitable for an operator. >>>> >>>> Best Regards >>>> >>>> Olivier >>>> >>>> >>>> ______________________________________________________________________= __ >>>> __ >>>> _______________________________________________ >>>> >>>> Ce message et ses pieces jointes peuvent contenir des informations >>>> confidentielles ou privilegiees et ne doivent donc >>>> pas etre diffuses, exploites ou copies sans autorisation. Si vous avez >>>> recu ce message par erreur, veuillez le signaler >>>> a l'expediteur et le detruire ainsi que les pieces jointes. Les >>>> messages >>>> electroniques etant susceptibles d'alteration, >>>> Orange decline toute responsabilite si ce message a ete altere, deforme >>>> ou falsifie. Merci. >>>> >>>> This message and its attachments may contain confidential or privileged >>>> information that may be protected by law; >>>> they should not be distributed, used or copied without authorisation. >>>> If you have received this email in error, please notify the sender and >>>> delete this message and its attachments. >>>> As emails may be altered, Orange is not liable for messages that have >>>> been modified, changed or falsified. >>>> Thank you. >>>> >>>> _______________________________________________ >>>> OSPF mailing list >>>> OSPF@ietf.org >>>> https://www.ietf.org/mailman/listinfo/ospf >> >> >> ________________________________________________________________________= __ >> _______________________________________________ >> >> Ce message et ses pieces jointes peuvent contenir des informations >> confidentielles ou privilegiees et ne doivent donc >> pas etre diffuses, exploites ou copies sans autorisation. Si vous avez >> recu ce message par erreur, veuillez le signaler >> a l'expediteur et le detruire ainsi que les pieces jointes. Les messages >> electroniques etant susceptibles d'alteration, >> Orange decline toute responsabilite si ce message a ete altere, deforme >> ou falsifie. Merci. >> >> This message and its attachments may contain confidential or privileged >> information that may be protected by law; >> they should not be distributed, used or copied without authorisation. >> If you have received this email in error, please notify the sender and >> delete this message and its attachments. >> As emails may be altered, Orange is not liable for messages that have >> been modified, changed or falsified. >> Thank you. >> ___________________________________________________________________________= ______________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confiden= tielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu= ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el= ectroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou = falsifie. Merci. This message and its attachments may contain confidential or privileged inf= ormation that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and dele= te this message and its attachments. As emails may be altered, Orange is not liable for messages that have been = modified, changed or falsified. Thank you. 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"ospf@ietf.org" , "isis-wg@ietf.org" Thread-Topic: [Isis-wg] [OSPF] Comments on draft-ietf-ospf-te-link-attr-reuse-01.txt and draft-ietf-isis-te-app-01.txt Thread-Index: AQHTRo/6Psf8Co97B0q9XSqsRCxTb6L0BYGAgACq9YCAACO5gIAAVfoAgAHVrWA= Date: Fri, 27 Oct 2017 01:55:18 +0000 Message-ID: <272a1e965b9e4d14bc92b114cfaaa573@XCH-ALN-001.cisco.com> References: <10170_1508166197_59E4CA35_10170_182_6_e39cb950-80c3-bc84-dd0b-21a67e45dc0a@orange.com> <650_1508924255_59F05B5F_650_30_1_ca19b84b-f7da-0bca-b0de-5d5f4d6e81e0@orange.com> <12783_1508950389_59F0C175_12783_211_1_0f38311d-73ba-a67f-91e6-81faa3885897@orange.com> In-Reply-To: <12783_1508950389_59F0C175_12783_211_1_0f38311d-73ba-a67f-91e6-81faa3885897@orange.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.154.163.53] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] [Isis-wg] Comments on draft-ietf-ospf-te-link-attr-reuse-01.txt and draft-ietf-isis-te-app-01.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Oct 2017 01:55:23 -0000 T2xpdmllciAtDQoNClRoYW54IGZvciB0aGUgZGlzY3Vzc2lvbi4NCg0KVGhlIGF1dGhvcnMgb2Yg ZHJhZnQtaWV0Zi1vc3BmLXRlLWxpbmstYXR0ci1yZXVzZS0wMS50eHQgYW5kIGRyYWZ0LWlldGYt aXNpcy10ZS1hcHAtMDEudHh0IGFyZSBpbiBkaXNjdXNzaW9ucyBhbmQgd2Ugd2lsbCByZXNvbHZl IHRoZSBkaXNjcmVwYW5jaWVzIGJldHdlZW4gdGhlIHR3byBkcmFmdHMgYXMgcmVnYXJkcyB0aGUg c2V0IG9mIGxpbmsgYXR0cmlidXRlcyB3aGljaCBhcmUgc3VwcG9ydGVkLg0KQXMgcmVnYXJkcyBp c3N1ZXMgYXNzb2NpYXRlZCB3aXRoIE1heGltdW1CYW5kd2lkdGgsIE1heGltdW1SZXNlcnZhYmxl QmFuZHdpZHRoIGFuZCBVbnJlc2VydmVkQmFuZHdpZHRoIHBhcmFtZXRlcnMgdGhpcyBpcyBhbHNv IHVuZGVyIGRpc2N1c3Npb24gYW5kIHdlIHdpbGwgaGF2ZSBtb3JlIHRvIHNheSBhYm91dCB0aGF0 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text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: ospf@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.63.2 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <150910363238.22291.2904239994777337885@ietfa.amsl.com> Date: Fri, 27 Oct 2017 04:27:12 -0700 Archived-At: Subject: [OSPF] I-D Action: draft-ietf-ospf-te-link-attr-reuse-02.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Oct 2017 11:27:12 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP WG of the IETF. Title : OSPFv2 Link Traffic Engineering (TE) Attribute Reuse Authors : Peter Psenak Acee Lindem Les Ginsberg Wim Henderickx Jeff Tantsura Hannes Gredler John Drake Filename : draft-ietf-ospf-te-link-attr-reuse-02.txt Pages : 16 Date : 2017-10-27 Abstract: Various link attributes have been defined in OSPFv2 in the context of the MPLS Traffic Engineering (TE) and GMPLS. Many of these link attributes can be used for purposes other than MPLS Traffic Engineering or GMPLS. This documents defines how to distribute such attributes in OSPFv2 for applications other than MPLS Traffic Engineering or GMPLS purposes. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-te-link-attr-reuse/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-ospf-te-link-attr-reuse-02 https://datatracker.ietf.org/doc/html/draft-ietf-ospf-te-link-attr-reuse-02 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-te-link-attr-reuse-02 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Sat Oct 28 04:17:37 2017 Return-Path: X-Original-To: ospf@ietf.org Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id AE6CD13F907; Sat, 28 Oct 2017 04:17:30 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: ospf@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.63.2 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <150918945066.2588.2371642994383776336@ietfa.amsl.com> Date: Sat, 28 Oct 2017 04:17:30 -0700 Archived-At: Subject: [OSPF] I-D Action: draft-ietf-ospf-ospfv3-lsa-extend-16.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Oct 2017 11:17:31 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP WG of the IETF. Title : OSPFv3 LSA Extendibility Authors : Acee Lindem Abhay Roy Dirk Goethals Veerendranatha Reddy Vallem Fred Baker Filename : draft-ietf-ospf-ospfv3-lsa-extend-16.txt Pages : 37 Date : 2017-10-28 Abstract: OSPFv3 requires functional extension beyond what can readily be done with the fixed-format Link State Advertisement (LSA) as described in RFC 5340. Without LSA extension, attributes associated with OSPFv3 links and advertised IPv6 prefixes must be advertised in separate LSAs and correlated to the fixed-format LSAs. This document extends the LSA format by encoding the existing OSPFv3 LSA information in Type-Length-Value (TLV) tuples and allowing advertisement of additional information with additional TLVs. Backward compatibility mechanisms are also described. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-ospfv3-lsa-extend/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-ospf-ospfv3-lsa-extend-16 https://datatracker.ietf.org/doc/html/draft-ietf-ospf-ospfv3-lsa-extend-16 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-ospfv3-lsa-extend-16 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. 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ospf@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.63.2 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <150937870218.7740.9010103899236850981@ietfa.amsl.com> Date: Mon, 30 Oct 2017 08:51:42 -0700 Archived-At: Subject: [OSPF] I-D Action: draft-ietf-ospf-ospfv3-lsa-extend-17.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Oct 2017 15:51:43 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP WG of the IETF. Title : OSPFv3 LSA Extendibility Authors : Acee Lindem Abhay Roy Dirk Goethals Veerendranatha Reddy Vallem Fred Baker Filename : draft-ietf-ospf-ospfv3-lsa-extend-17.txt Pages : 37 Date : 2017-10-30 Abstract: OSPFv3 requires functional extension beyond what can readily be done with the fixed-format Link State Advertisement (LSA) as described in RFC 5340. Without LSA extension, attributes associated with OSPFv3 links and advertised IPv6 prefixes must be advertised in separate LSAs and correlated to the fixed-format LSAs. This document extends the LSA format by encoding the existing OSPFv3 LSA information in Type-Length-Value (TLV) tuples and allowing advertisement of additional information with additional TLVs. Backward compatibility mechanisms are also described. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-ospfv3-lsa-extend/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-ospf-ospfv3-lsa-extend-17 https://datatracker.ietf.org/doc/html/draft-ietf-ospf-ospfv3-lsa-extend-17 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-ospfv3-lsa-extend-17 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Oct 30 09:05:07 2017 Return-Path: X-Original-To: ospf@ietfa.amsl.com Delivered-To: ospf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5EFE74D36 for ; Mon, 30 Oct 2017 09:05:04 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -13.499 X-Spam-Level: X-Spam-Status: No, score=-13.499 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, MISSING_HEADERS=1.021, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Am3Tqif2g0rP for ; 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d="scan'208";a="307995415" Received: from rcdn-core-2.cisco.com ([173.37.93.153]) by rcdn-iport-9.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Oct 2017 15:53:36 +0000 Received: from XCH-RTP-014.cisco.com (xch-rtp-014.cisco.com [64.101.220.154]) by rcdn-core-2.cisco.com (8.14.5/8.14.5) with ESMTP id v9UFraLs028263 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL) for ; Mon, 30 Oct 2017 15:53:36 GMT Received: from xch-rtp-015.cisco.com (64.101.220.155) by XCH-RTP-014.cisco.com (64.101.220.154) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Mon, 30 Oct 2017 11:53:35 -0400 Received: from xch-rtp-015.cisco.com ([64.101.220.155]) by XCH-RTP-015.cisco.com ([64.101.220.155]) with mapi id 15.00.1320.000; Mon, 30 Oct 2017 11:53:35 -0400 From: "Acee Lindem (acee)" CC: "ospf@ietf.org" Thread-Topic: [OSPF] I-D Action: draft-ietf-ospf-ospfv3-lsa-extend-17.txt Thread-Index: AQHTUZcJVMOcPo01KUCqlMYS/x9jvqL8iyWA Date: Mon, 30 Oct 2017 15:53:35 +0000 Message-ID: References: <150937870218.7740.9010103899236850981@ietfa.amsl.com> In-Reply-To: <150937870218.7740.9010103899236850981@ietfa.amsl.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.116.152.196] Content-Type: text/plain; charset="utf-8" Content-ID: <880FDBF294BE8649A940C8EE1193366F@emea.cisco.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] I-D Action: draft-ietf-ospf-ospfv3-lsa-extend-17.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Oct 2017 16:05:04 -0000 U2ltcGx5IHVwZGF0ZWQgVmVlcnXigJlzIGNvbnRhY3QgaW5mb3JtYXRpb24gdG8gYXZvaWQgYm91 bmNlcyB0byBkcmFmdCBhbGlhcw0KQVNBUC4gDQpUaGFua3MsDQpBY2VlDQoNCk9uIDEwLzMwLzE3 LCAxMTo1MSBBTSwgIk9TUEYgb24gYmVoYWxmIG9mIGludGVybmV0LWRyYWZ0c0BpZXRmLm9yZyIN Cjxvc3BmLWJvdW5jZXNAaWV0Zi5vcmcgb24gYmVoYWxmIG9mIGludGVybmV0LWRyYWZ0c0BpZXRm Lm9yZz4gd3JvdGU6DQoNCj4NCj5BIE5ldyBJbnRlcm5ldC1EcmFmdCBpcyBhdmFpbGFibGUgZnJv bSB0aGUgb24tbGluZSBJbnRlcm5ldC1EcmFmdHMNCj5kaXJlY3Rvcmllcy4NCj5UaGlzIGRyYWZ0 IGlzIGEgd29yayBpdGVtIG9mIHRoZSBPcGVuIFNob3J0ZXN0IFBhdGggRmlyc3QgSUdQIFdHIG9m IHRoZQ0KPklFVEYuDQo+DQo+ICAgICAgICBUaXRsZSAgICAgICAgICAgOiBPU1BGdjMgTFNBIEV4 dGVuZGliaWxpdHkNCj4gICAgICAgIEF1dGhvcnMgICAgICAgICA6IEFjZWUgTGluZGVtDQo+ICAg ICAgICAgICAgICAgICAgICAgICAgICBBYmhheSBSb3kNCj4gICAgICAgICAgICAgICAgICAgICAg ICAgIERpcmsgR29ldGhhbHMNCj4gICAgICAgICAgICAgICAgICAgICAgICAgIFZlZXJlbmRyYW5h dGhhIFJlZGR5IFZhbGxlbQ0KPiAgICAgICAgICAgICAgICAgICAgICAgICAgRnJlZCBCYWtlcg0K PglGaWxlbmFtZSAgICAgICAgOiBkcmFmdC1pZXRmLW9zcGYtb3NwZnYzLWxzYS1leHRlbmQtMTcu dHh0DQo+CVBhZ2VzICAgICAgICAgICA6IDM3DQo+CURhdGUgICAgICAgICAgICA6IDIwMTctMTAt MzANCj4NCj5BYnN0cmFjdDoNCj4gICBPU1BGdjMgcmVxdWlyZXMgZnVuY3Rpb25hbCBleHRlbnNp b24gYmV5b25kIHdoYXQgY2FuIHJlYWRpbHkgYmUgZG9uZQ0KPiAgIHdpdGggdGhlIGZpeGVkLWZv cm1hdCBMaW5rIFN0YXRlIEFkdmVydGlzZW1lbnQgKExTQSkgYXMgZGVzY3JpYmVkIGluDQo+ICAg UkZDIDUzNDAuICBXaXRob3V0IExTQSBleHRlbnNpb24sIGF0dHJpYnV0ZXMgYXNzb2NpYXRlZCB3 aXRoIE9TUEZ2Mw0KPiAgIGxpbmtzIGFuZCBhZHZlcnRpc2VkIElQdjYgcHJlZml4ZXMgbXVzdCBi ZSBhZHZlcnRpc2VkIGluIHNlcGFyYXRlDQo+ICAgTFNBcyBhbmQgY29ycmVsYXRlZCB0byB0aGUg Zml4ZWQtZm9ybWF0IExTQXMuICBUaGlzIGRvY3VtZW50IGV4dGVuZHMNCj4gICB0aGUgTFNBIGZv cm1hdCBieSBlbmNvZGluZyB0aGUgZXhpc3RpbmcgT1NQRnYzIExTQSBpbmZvcm1hdGlvbiBpbg0K PiAgIFR5cGUtTGVuZ3RoLVZhbHVlIChUTFYpIHR1cGxlcyBhbmQgYWxsb3dpbmcgYWR2ZXJ0aXNl bWVudCBvZg0KPiAgIGFkZGl0aW9uYWwgaW5mb3JtYXRpb24gd2l0aCBhZGRpdGlvbmFsIFRMVnMu ICBCYWNrd2FyZCBjb21wYXRpYmlsaXR5DQo+ICAgbWVjaGFuaXNtcyBhcmUgYWxzbyBkZXNjcmli ZWQuDQo+DQo+DQo+VGhlIElFVEYgZGF0YXRyYWNrZXIgc3RhdHVzIHBhZ2UgZm9yIHRoaXMgZHJh ZnQgaXM6DQo+aHR0cHM6Ly9kYXRhdHJhY2tlci5pZXRmLm9yZy9kb2MvZHJhZnQtaWV0Zi1vc3Bm LW9zcGZ2My1sc2EtZXh0ZW5kLw0KPg0KPlRoZXJlIGFyZSBhbHNvIGh0bWxpemVkIHZlcnNpb25z IGF2YWlsYWJsZSBhdDoNCj5odHRwczovL3Rvb2xzLmlldGYub3JnL2h0bWwvZHJhZnQtaWV0Zi1v c3BmLW9zcGZ2My1sc2EtZXh0ZW5kLTE3DQo+aHR0cHM6Ly9kYXRhdHJhY2tlci5pZXRmLm9yZy9k b2MvaHRtbC9kcmFmdC1pZXRmLW9zcGYtb3NwZnYzLWxzYS1leHRlbmQtMTcNCj4NCj5BIGRpZmYg ZnJvbSB0aGUgcHJldmlvdXMgdmVyc2lvbiBpcyBhdmFpbGFibGUgYXQ6DQo+aHR0cHM6Ly93d3cu aWV0Zi5vcmcvcmZjZGlmZj91cmwyPWRyYWZ0LWlldGYtb3NwZi1vc3BmdjMtbHNhLWV4dGVuZC0x Nw0KPg0KPg0KPlBsZWFzZSBub3RlIHRoYXQgaXQgbWF5IHRha2UgYSBjb3VwbGUgb2YgbWludXRl cyBmcm9tIHRoZSB0aW1lIG9mDQo+c3VibWlzc2lvbg0KPnVudGlsIHRoZSBodG1saXplZCB2ZXJz aW9uIGFuZCBkaWZmIGFyZSBhdmFpbGFibGUgYXQgdG9vbHMuaWV0Zi5vcmcuDQo+DQo+SW50ZXJu ZXQtRHJhZnRzIGFyZSBhbHNvIGF2YWlsYWJsZSBieSBhbm9ueW1vdXMgRlRQIGF0Og0KPmZ0cDov L2Z0cC5pZXRmLm9yZy9pbnRlcm5ldC1kcmFmdHMvDQo+DQo+X19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18NCj5PU1BGIG1haWxpbmcgbGlzdA0KPk9TUEZAaWV0 Zi5vcmcNCj5odHRwczovL3d3dy5pZXRmLm9yZy9tYWlsbWFuL2xpc3RpbmZvL29zcGYNCg0K From nobody Mon Oct 30 10:31:37 2017 Return-Path: X-Original-To: ospf@ietf.org Delivered-To: ospf@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 332FF13FA3A; Mon, 30 Oct 2017 10:31:29 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: ospf@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.63.2 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <150938468917.7919.16518650139843806036@ietfa.amsl.com> Date: Mon, 30 Oct 2017 10:31:29 -0700 Archived-At: Subject: [OSPF] I-D Action: draft-ietf-ospf-yang-09.txt X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Oct 2017 17:31:29 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Open Shortest Path First IGP WG of the IETF. Title : Yang Data Model for OSPF Protocol Authors : Derek Yeung Yingzhen Qu Jeffrey Zhang Ing-Wher Chen Acee Lindem Filename : draft-ietf-ospf-yang-09.txt Pages : 105 Date : 2017-10-30 Abstract: This document defines a YANG data model that can be used to configure and manage OSPF. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-ospf-yang/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-ospf-yang-09 https://datatracker.ietf.org/doc/html/draft-ietf-ospf-yang-09 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-ospf-yang-09 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. 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charset="utf-8" Content-ID: <097BA7E8399F8A4486E5AB5566762B51@emea.cisco.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [OSPF] IS-IS and OSPF Call for agenda slots @ IETF-100 X-BeenThere: ospf@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: The Official IETF OSPG WG Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Oct 2017 19:57:10 -0000 SGkgQ2hyaXMsIGV0IGFsLCANCg0KVGhlIGF1dGhvcnMgb2YgIk9TUEYgR3JhY2VmdWwgUmVzdGFy dCBFbmhhbmNlbWVudHPigJ0sDQpkcmFmdC1iYXNhdmFyYWotb3NwZi1ncmFjZWZ1bC1yZXN0YXJ0 LWVuaGFuY2VtZW50cy0wMCB3b3VsZCBsaWtlIGEgMTANCm1pbnV0ZSBzbG90IGF0IElFVEYgMTAw Lg0KDQpUaGFua3MsDQpBY2VlIA0KDQoNCk9uIDEwLzE5LzE3LCA5OjU1IEFNLCAiQ2hyaXN0aWFu IEhvcHBzIiA8Y2hvcHBzQGNob3Bwcy5vcmc+IHdyb3RlOg0KDQo+DQo+SGkgT1NQRiBhbmQgSVMt SVMsDQo+DQo+VGhlIHByZWxpbWluYXJ5IGFnZW5kYSBoYXMgYmVlbiBwb3N0ZWQ6DQo+DQo+ICAg aHR0cHM6Ly9kYXRhdHJhY2tlci5pZXRmLm9yZy9tZWV0aW5nLzEwMC9hZ2VuZGEuaHRtbA0KPg0K Pk91ciAyLjVoIGpvaW50IHNlc3Npb24gb2YgSVMtSVMgYW5kIE9TUEYgaXMgdGVudGF0aXZlbHkg c2NoZWR1bGVkIGZvcg0KPlRodXJzZGF5IGZyb20gOTozMGFtIHRvIDEyOjAwcG0gKCswOCkuDQo+ DQo+UGxlYXNlIHNlbmQgeW91ciByZXF1ZXN0cyBmb3IgYSBwcmVzZW50YXRpb24gc2xvdCwgaW5k aWNhdGluZw0KPmRyYWZ0IG5hbWUsIHNwZWFrZXIsIGFuZCBkZXNpcmVkIGR1cmF0aW9uIChjb3Zl cmluZyBwcmVzZW50YXRpb24gYW5kDQo+ZGlzY3Vzc2lvbikgdG8gaXNpcy1jaGFpcnNAaWV0Zi5v cmcgb3Igb3NwZi1jaGFpcnNAaWV0Zi5vcmcuDQo+DQo+VGhhbmtzLA0KPkFiaGF5LCBBY2VlLCBD aHJpcyBhbmQgSGFubmVzLg0KDQo=