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Re: What is a SOAP Message

From: Mark Baker <distobj@acm.org>
Date: Tue, 4 Feb 2003 21:32:09 -0500
To: David Orchard <dorchard@bea.com>
Cc: noah_mendelsohn@us.ibm.com, "'Jean-Jacques Moreau'" <jean-jacques.moreau@crf.canon.fr>, xml-dist-app@w3.org
Message-ID: <20030204213209.P8837@www.markbaker.ca>

On Tue, Feb 04, 2003 at 02:48:58PM -0800, David Orchard wrote:
> While I can't see
> where REST speaks about binding to protocols being in the definition of
> representations, it also doesn't appear to preclude this.  REST talks about
> representations being the transfer of application state.

Right, representations are serializations of application state.  But
everything is not a representation.  For example, any SOAP envelope with
a method in it is not a representation.

For at least one use of SOAP - the so-called "chameleon" use - it
appears that what you call a "SOAP representation" is indeed a
representation.  But in the tunnel use of SOAP, or when SOAP is bound to
a *transport* protocol, a "SOAP representation" is not a representation.

Just my 2c.

MB
-- 
Mark Baker.   Ottawa, Ontario, CANADA.        http://www.markbaker.ca
Web architecture consulting, technical reports, evaluation & analysis
Received on Tuesday, 4 February 2003 21:30:10 GMT

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