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[Bug 7206] New: Extension negotiation behavior of Delivery (6692-c)

From: <bugzilla@wiggum.w3.org>
Date: Mon, 03 Aug 2009 15:25:08 +0000
To: public-ws-resource-access-notifications@w3.org
Message-ID: <bug-7206-2780@http.www.w3.org/Bugs/Public/>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=7206

           Summary: Extension negotiation behavior of Delivery (6692-c)
           Product: WS-Resource Access
           Version: FPWD
          Platform: All
               URL: http://lists.w3.org/Archives/Public/public-ws-resource-
                    access/2009Jul/0050.html.
        OS/Version: Windows 95
            Status: NEW
          Severity: normal
          Priority: P2
         Component: All
        AssignedTo: public-ws-resource-access-notifications@w3.org
        ReportedBy: lli5@avaya.com
         QAContact: public-ws-resource-access-notifications@w3.org


Issue:
When Qnames are used for delivery mode extension, there is a critical need for
the event source to specify and publish the supported delivery mode Qname
expressions for the subscriber to negotiate with its own capabilities and
compose an event subscription message to reach an agreement with the event
source. Moreover, when optional event delivery behaviors are involved in the
negotiation, there is a need for the event source to inform the event
subscriber exactly which options will be used for the event subscriber to
prepare the matching event sink.

Proposal:
We propose to use delivery policy to decorate the delivery mode extensions in
the WSDL and using the policy negotiation based on WS-Policy for delivery
extension negotiation. Moreover, we propose to include the exact delivery
extension in the form of delivery policy as part of the positive response
message to the event subscribe for subscriber to prepare the matching event
sink. Detailed description is provided in (Section B.3, B.4)
http://lists.w3.org/Archives/Public/public-ws-resource-access/2009Jul/0050.html.


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Received on Monday, 3 August 2009 15:25:17 GMT

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