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Is BPM the orchestrator that Web services needs?

Doron Sherman EXPERT RESPONSE FROM: Doron Sherman

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QUESTION POSED ON: 19 May 2003
Is BPM the orchestrator that Web services needs?

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The first phase of the Web services technology stack supported publishing of IT assets by exposing WSDL interfaces and enabling XML messaging using SOAP over a number of Internet-native transport protocols. The second phase of the Web services stack is concerned with orchestration, i.e. assembling published Web services and coordinating their interactions into business flows. The three pillars of orchestration are asynchronous conversations, flow coordination and exception management. These should serve as core elements of any infrastructure used as foundation for Web service orchestration.

Web service orchestration software should be designed to support the Web services standards stack from the ground up, most importantly BPEL4WS. This infrastructure should offer reliability for long-running transactional flows as well as ease-of-management (e.g. monitoring, audit trail, debugging and versioning). Other elements found in today's BPM solutions can be morphed on top of orchestration infrastructure to provide advanced capabilities, such as business activity monitoring and business performance optimization.


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