Re: Web service with Push to client ?

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\viewkind4\uc1\pard\lang2052\f0\fs20 Hi Semedao,
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\par I agree with Scott, from standard webservice's perspective, there is no server-side push mechanims or callback interface. And XML webservice is a public service which expose its functionliaty through the service contract(WSDL document) and let various clients to consume it. The webservice itself should not have any sense of the client consumer or platform. However, if we want the webservice to actively push/ping client side, it will require our server-side service has sufficient information about the client-side's programming interface and platform, this is somewhat violating the webservice standard.
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\par BTW, such server-side push(to multiple clients) is quite expense especially for internet scenario. Is the webservice in your scenario work in intranet or internet scenario? If convenient, you can provide us some further background info so that we can look for some other solutions according to your scenario.
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\par Sincerely,
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\par Steven Cheng
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\par Microsoft MSDN Online Support Lead
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\par This posting is provided "AS IS" with no warranties, and confers no rights.
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\par }

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