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RE: choreography usage scenarios

From: Champion, Mike <Mike.Champion@SoftwareAG-USA.com>
Date: Mon, 21 Oct 2002 15:19:23 -0400
Message-ID: <9A4FC925410C024792B85198DF1E97E4043AEE6C@usmsg03.sagus.com>
To: www-ws-arch@w3.org

> -----Original Message-----
> From: Mark Jones [mailto:jones@research.att.com]
> Sent: Monday, October 21, 2002 3:04 PM
> To: www-ws-arch@w3.org
> Subject: choreography usage scenarios
> Is it helpful to elaborate a set of such scenarios to sharpen further
> distinctions?

Yes, IMHO.  For example, I'd like to see a more business-oriented
explanation of "The requestor is able to correlate a response received in a
separate message (and protocol invocation) with the original requesting
message."  That is, what business is being transacted here, and why is the
correlation necessary?
> --mark
> PS  I tried to focus on the relationships among messages and not so
> much on the mechanisms used to determine those relationships.  I'd
> like to see a characterization that can remain relatively neutral with
> respect to architectural styles (e.g., REST).

Right.  Remember that we're not trying to design an actual choreography
language, just figure out the scope of a WS Choreography WG.  I do think
that the suggestions, such as the "state machine in XML", help us think
about these requirements, but let's not get carried away :-) 
Received on Monday, 21 October 2002 15:19:32 UTC

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