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WS-Addressing

WS-Addressing. F2F Meeting Nov 05 WSDL extensions for Async support. Summary of Main Questions…. Enable service to specify asynchronous capabilities?. Enable asynchronous response binding to be specified?. Specification of async at operation/interface level?.

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WS-Addressing

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  1. WS-Addressing F2F Meeting Nov 05 WSDL extensions for Async support

  2. Summary of Main Questions… Enable service to specify asynchronous capabilities? Enable asynchronous response binding to be specified? Specification of async at operation/interface level? Enable granularity of asynchronous capabilities Async only, async never and full?

  3. Summary of decision process Enable service to specify asynchronous capabilities? Enable asynchronous response binding to be specified? Specification of async at operation/interface level?

  4. Agreed Enable service to specify asynchronous capabilities? Enable asynchronous response binding to be specified? Specification of programming model hint at operation/interface level to support async? X X Enable granularity of asynchronous capabilities Async only, async never and full? Deliver semantics of extension for SOAP/HTTP

  5. Specification of Synch/Sync capabilities of Service • Asynchronous nature of request response operation is determined by wsa:ReplyTo/FaultTo on request header • Anonymous URI indicates synchronous response for SOAP binding (e.g. return response on HTTP connection) • Provide extension to WSDL to enable the • Possible to specify the synchronous capabilities of a binding in WSDL • Synchronous only vs Asynchronous only vs either

  6. Ability to specify Async/sync capabilities at endpoint <binding name="StockQuoteSoapBinding" type="tns:StockQuotePortType"> <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http" /> <wsaw:UsingAddressing wsdl:required="true" /> <wsaw:Async wsdl:required=”true”/>full<wsaw:Async> <operation name="GetLastTradePrice"> <soap:operation soapaction="http://example.com/GetLastTradePrice" /> <input> <soap:body use="literal" /> </input> <output> <soap:body use="literal" /> </output> </operation> (Example syntax – under discussion) Never=Supports anonymous [reply/fault endpoint] Always= No support for anonymous [reply/fault endpoint] Full=Full support

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