See service classification.
See also the e-Framework Service Classification Scheme.

An application or service implementation (or its service instances) that uses other service implementations (or their service instances). See also, requestor.

A restriction on behaviour or interaction. Constraints may be imposed for technical, policy, or other reasons, e.g., accessibility, scope, ease of evolution, efficiency, extensibility.

A Commonly Recurring SUM. A core e-Framework term referring to a description of the key aspects of a common design for an operation, behaviour or communication used in creating a reusable service-oriented design. CORE SUMs are identified from examples, not created.