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Subject: Relationship of ISSUE 008 with ISSUE 021
The Sept 2004 version of WS-policy attachment includes the following section: " 4.1.4 Message Policy Subject The following WSDL/1.1 elements are used to describe messages: • wsdl:message • wsdl:portType/wsdl:operation/wsdl:input • wsdl:portType/wsdl:operation/wsdl:output • wsdl:portType/wsdl:operation/wsdl:fault • wsdl:binding/wsdl:operation/wsdl:input • wsdl:binding/wsdl:operation/wsdl:output • wsdl:binding/wsdl:operation/wsdl:fault The current WS-RM policy spec attaches policy at the endpoint subject level. If we could attach the Qos policy for DA at the message subject level, we would be in a better position to express the desired semantics for Reliability of a WSDL Request/response operation. For example, exactly once, ordered could be attached to the request message, while no reliability qos is attached to the response. Other examples could attache reliability DA levels to the response message as well. Thus I now see that Issue 008 on granularity of reliability policy attachment, and Issue 021 on reliability for two way exchanges should be discussed together. Tom Rutt -- ---------------------------------------------------- Tom Rutt email: tom@coastin.com; trutt@us.fujitsu.com Tel: +1 732 801 5744 Fax: +1 732 774 5133
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