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There are performance benefits to using asynchronous services that Windows Communication Foundation 4.5 allows, and with that, one should know the differences between sync and async services as well ...

Asynchronous programming is a form of parallel programming that enables you to execute tasks separate from the main application thread and then notifies the thread when its execution is over.

Asynchronous services are easier to implement with support of the await and async keywords in WCF 4.5. We look at that, as well as contract-first development. There are performance benefits to using ...