Example of Security Interoperability in WCF Services

WCF supports several standard security mechanisms, following the various security-related WS-* standards. For example, you may need to specify transport-level security when you communicate with an older Java Web service. In this case, encryption is necessary because the Username token, including the user’s password, is passed with the message.

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How to Expose Multiple Contracts in WCF Service?

WCF enables you to build services that expose multiple contracts by defining additional endpoints; each endpoint can refer to a different contract. Exposing multiple contracts is useful because it means that you can release a new version of a contract, but still support legacy client applications that may continue to use the old contract.

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