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Re: Issue 455 closed: Representation header and SOAP processing model

From: Anish Karmarkar <Anish.Karmarkar@oracle.com>
Date: Thu, 18 Mar 2004 11:07:11 -0800
Message-ID: <4059F35F.1050702@oracle.com>
To: noah_mendelsohn@us.ibm.com
Cc: Jean-Jacques Moreau <jean-jacques.moreau@crf.canon.fr>, Dear XMLP Comments <xmlp-comments@w3.org>

Noah_mendelsohn@us.ibm.com wrote:

> First of all, I formally accept this resolution.  We can move ahead, thank 
> you. 
> 
> I should note that, on reflection, I think it would have made sense to say 
> that "if the processing node has knowledge of the role to which the header 
> is addressed, and if the node is aware that no other downstream node can 
> act in such a role, then the representation header need not be reinserted; 
>  in all other situations it MUST be reinserted."  This would avoid the 
> need to send a large representation past an intermediary which had good 
> reason to believe that it would be useless anyway.
> 

I would imagine that a node that has knowledge of the downstream nodes 
and their capabilities/roles would be an active intermediary and in that 
case all bets are off. Comments?

> I see no need to reopen the issue unless this observation gets widespread 
> support.  Thank you.
> 
> --------------------------------------
> Noah Mendelsohn 
> IBM Corporation
> One Rogers Street
> Cambridge, MA 02142
> 1-617-693-4036
> --------------------------------------
> 
> 
> 
> 
> 
> 
> 
> 
> "Jean-Jacques Moreau" <jean-jacques.moreau@crf.canon.fr>
> Sent by: xmlp-comments-request@w3.org
> 03/17/04 04:08 AM
> 
>  
>         To:     noah_mendelsohn@us.ibm.com
>         cc:     Dear XMLP Comments <xmlp-comments@w3.org>
>         Subject:        Issue 455 closed: Representation header and SOAP processing model
> 
> 
> 
> Dear Noah,
> 
> You raised issue #455 about the interaction between the SOAP processing 
> model and the Representation Header.
> 
> At its recent f2f, the XMLP WG decided to close[1] this issue by 
> defining a new role (name to be decided), with the following 
> characteristics:
> 
> 1. The role will be used to target all Representation header blocks.
> 
> 2. The Representation header block MUST always be reinserted, even if 
> processed.
> 
> 3a. It's OK for multiple Representation header blocks in the same 
> message to have the same URI and role.
> 
> 3b. Such Representation header blocks would typically have different 
> metadata.
> 
> 4. Implementations MAY need to process Representation header blocks 
> BEFORE other header blocks that might dereference URIs.
> 
> Please let us know immediately if you do not agree with this resolution.
> 
> Regards,
> 
> Jean-Jacques.
> 
> [1] <http://www.w3.org/2004/03/02-xmlprotocol-irc.txt>
> 
> 
> 
> 
Received on Thursday, 18 March 2004 14:08:58 UTC

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