domingo, 10 de mayo de 2009

Orquestación de Servicios

La Orquestación de Servicios constituye "A technique used to compose hierarchical and self-contained service-oriented business processes that are executed and coordinated by a single agent acting in a "conductor" role...An orchestration is typically implemented using a scripting approach to compose service-oriented business processes."

" usually used in private business processes, a central process (which can be another Web service) takes control of the involved Web services and coordinates the execution of different operations on the Web services involved in the operation. The involved Web services do not "know" (and do not need to know) that they are involved in a composition process and that they are taking part in a higher-level business process. Only the central coordinator of the orchestration is aware of this goal, so the orchestration is centralized with explicit definitions of operations and the order of invocation of Web services". Ver la siguiente figura (fuente Oracle).

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