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Re: Session-ID proposal

From: Koen Holtman <koen@win.tue.nl>
Date: Tue, 8 Aug 1995 10:51:55 +0200 (MET DST)
Message-Id: <199508080851.KAA18475@wswiop05.win.tue.nl>
To: dmk@allegra.att.com (Dave Kristol)
Cc: www-talk@www10.w3.org
Dave Kristol:
[....]
>	http://www.research.att.com/~dmk/session.html

This proposal is not clear enough about caching. Specifically:

  is the session-id header in the request part of the cache key for the
  entity in the response?

If it is, this means that almost no meaningful caching is possible for
services using session-id, even if 99% if the entities in the session
(inline pictures, product description pages) do not depend on the session
state.

If it is not, session-id may be an unreliable mechanism (in that it cannot
be used to build reliable statfull dialogs), depending on how pessimistic
you are about cache administrators adhering to standards.

I'm busy on a session-id proposal that tries to resolve these issues.
I expect to be posting it at the end of this week.

>Dave Kristol
Koen.
Received on Tuesday, 8 August 1995 04:52:28 GMT

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