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This paper discusses a layered workflow software architecture for distributed coordination of workflows over Web services and proposes fundamental enhancements to the web services infrastructure that facilitate the layered workflow software architecture. We verify our layered approach using a detailed simulation and a proof-of-concept prototype implementation. Our proposed architecture for Web service...
The current state of the art of workflows over Web services employs a centralized composite process to coordinate the constituent Web services. Therefore, the coordinator process is complex, less scalable, and bulky. This paper introduces an architecture and a technique for distributing the centralized coordination logic of traditional workflows by (i) extending the stateless Web services into self-coordinating...
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