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Proposed resolution to issue 455

From: Marc Hadley <Marc.Hadley@Sun.COM>
Date: Wed, 25 Feb 2004 17:03:42 -0500
To: xml-dist-app@w3.org
Message-id: <797E7F5B-67DE-11D8-9D4A-000A95BC8D92@Sun.COM>
I took an action to propose a resolution to issue 455[1]. The issue 
concerns the relationship of the Representation header block to the 
SOAP processing model.

The proposed resolution:

(i) A representation header block is only 'in scope' wrt to URI 
resolution if the representation header block is targetted at a role 
played by the SOAP node.

(ii) The normal SOAP processing rules apply: the role, mustUnderstand 
and relay attributes all function as normal.

(iii) If the header block is targetted at the standard 'next' role and 
is processed by an intermediary then it should be reinserted.

(iv) Another (different) header block could be used to override (iii) 

The issue also includes the following question:

"If I want to specifically cause two different representations, of the 
media type for the same resource, to be sent to A and B respectively, 
can I
safely use multiple representation headers that differ in their 
to do this?  I would think so."

I think the answer is yes, but (unfortunately) our current rules would 
require that, when using our SOAP binding, each representation header 
include a different MIME part (since we disallow multiple inclusions of 
a single MIME part) - i.e. this would require multiple copies of the 
data in the XOP package.


[1] http://www.w3.org/2000/xp/Group/xmlp-issues.html#x455

Marc Hadley <marc.hadley at sun.com>
Web Products, Technologies and Standards, Sun Microsystems.

Received on Wednesday, 25 February 2004 17:01:22 UTC

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