Manfred Kroll

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In a service-oriented architecture (SOA), a service is a unit of work performed by a service provider to achieve desired results for one or more service consumers. A service provides a function that is well defined, self-contained (for example, loosely coupled to its environment), described solely by its interface contract and behavioral attributes (for example, it hides implementation), and located anywhere on the network. Essential components of an SOA - such as a service provider, service repository, service mediator, and service consumers - all rely on service definitions as the key element to describe, access, transport, and understand services. Modern SOA as a pattern for transforming enterprise architecture is still emerging, as are the strategies for service discovery and design. At this juncture of SOA's maturation, it's highly useful to consider concepts a... (more)