Subject: RE: [Simple] Re: Draft-campbell-simple-im-session-01: Resource R ecovery

From: Adam Roach <[email-masked]>
Date: Mon, 21 Apr 2003 15:52:12 -0500

Cullen Jennings writes:

> How is the state on a relays cleaned up and the connections 
> closed in the
> case where both end points crash. I'm a little suspicious of  TCP Keep
> Alives as the answer.

The discussion so far is to let the relays drop the connection
to other relays whenever they feel like it. The other connections
are cleaned up by making VISIT and BIND create soft state.

> How much state to you really need at the Relay  could you 
> set up the URI
> such that all the state the Relay needed it could embed in 
> the URI and get
> the state handed to it each time the state was needed so that it could
> minimize the sate that it holds. 

The minimal state that must be maintained is the correlation
between the URIs and the (e.g. TCP) connections -- that is,
the very information established by BIND and VISIT. I don't
see how this could trivially be pushed off to the clients.

/a
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