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Re: Rough text for State finding

From: Walden Mathews <waldenm@optonline.net>
Date: Tue, 18 Oct 2005 23:23:53 -0400
To: Mark Baker <distobj@acm.org>, David Orchard <dorchard@bea.com>
Cc: www-tag@w3.org
Message-id: <055d01c5d45c$8821e690$0902a8c0@WALDENDESKTOP>

True or false:

1. All resources are stateful.

2. All state is resource state.

3. Some resources are conversations; some are not.

4. Sometimes conversations are given identifiers; sometimes they are not.

Bonus:

5. Servers should (usually) refrain from remembering conversations
    for which they have no identifier.


ANSWERS ------

1. True.

2. True.

3. True.

4. True.

5. It depends.

----

How did we do?  Is this helpful?

Walden




----- Original Message ----- 
From: "Mark Baker" <distobj@acm.org>
To: "David Orchard" <dorchard@bea.com>
Cc: <www-tag@w3.org>
Sent: Tuesday, October 18, 2005 1:59 PM
Subject: Re: Rough text for State finding


: 
: Dave,
: 
: On Tue, Oct 18, 2005 at 10:07:36AM -0700, David Orchard wrote:
: > I've been wondering about the difference and relationship between
: > resource state, entity state, protocol state, session state, and
: > application state.
: 
: FWIW, earlier this year I took at stab at some of those on the RESTwiki;
: 
: http://rest.blueoxen.net/cgi-bin/wiki.pl?StateFaq
: 
: >I think there are layers of state, and multiple
: > layers of protocols, which can be mixed together to confuse things from
: > a modeling/layering perspective.  For example, I may have a stateful
: > application protocol (bank app), a stateless network session protocol
: > (http), and a stateful low level network data protocol (tcp). 
: 
: That's an interesting comment.  Why do you call the "bank app" the
: application protocol and HTTP a "network session protocol"?  HTTP is
: of course an application protocol, which AFAICT, makes the "bank app"
: just a bunch of interlinked resources and their representations.  No?
: 
: If you mean to suggest that there's a layered relationship between
: session state and resource state (using the StateFaq definitions), I'd
: disagree.  I think both are primarily application layer inhabitants,
: although "session state" is sometimes used to refer to sub-application
: layer state too, e.g. TCP.
: 
: Mark.
: -- 
: Mark Baker.  Ottawa, Ontario, CANADA.          http://www.markbaker.ca
: Coactus; Web-inspired integration strategies   http://www.coactus.com
: 
: 
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Received on Wednesday, 19 October 2005 03:23:53 UTC

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