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Transferring live data without client intervention

Can I have two Web services talking to each other to invoke methods at both the places. I want to transfer live data between two databases with out the intervention of the client through Sproc using XML and SOAP.
Yes, you can. It is very common for a component to act as both a service and as a service requestor. Component A can provide an XML interface that is called by Component B. While Component B provides an XML interface that is called by Component A. As with any interface there is the normal deadlock issues. You don't want Component A waiting on a response from B, while B is waiting on a response from A. However, with appropriate use of multi-threading and/or with appropriate care in designing interfaces and their dependencies deadlocks can be avoided.

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