25th Oct, 2004WS-MessageDelivery9 Comparison of WSMD and WSA (EPR and WSRef) EPR and WSRef –WS-Policy –Reference properties/parameters Allows one to specify additional information that must be sent with a message –Reuse of existing syntactic structures (place of WSDL in the architecture) –wsa:Address – only item that is mandatory (need additional info before accessing a WS) –wsa:PortType/wsa:ServiceName -- optional
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