On Wed, Mar 15, 2006 at 11:57:07AM -0500, Shi, Xuan wrote: > Carine, > > Thanks very much for your kind information. I am glad to see we eventually > have something based on the same ground: we can separate service semantic > description from service development framework. Thus service semantics can > be neutral and independent from service providers. The semantics can be described by a person and the actual services developed by others, indeed. > Furthermore, my question is, if we can describe the service semantics in the > external resource, then why do we need WSDL again to transfer the message > between service provider and requester, since once we can describe the > service, then we can invoke the service directly over HTTP without the > serialization/deserialization process? You don't need WSDL to transfer messages, but to describe them and how to invoke the services. If I know only a URI and the meaning (e.g. addition of 2 numbers), how would I know how to write the message to send to the service, and how would I know what I get back?Received on Wednesday, 15 March 2006 22:33:54 GMT
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