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service capability

A service can be seen as a container for a collection of related functions. These functions are called service capabilities and those exposed via a service contract establish a basic API by which the service can be invoked.

The term service capability has no implication as to how a service is implemented. Therefore, this term can be especially useful during service modeling stages when the physical design of a service has not yet been determined (at which point it is further qualified as a service capability candidate).

Once it is known whether a service exists as a Web service or as a component, the terms "service method" or "service operation" can be used instead.

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