Management Requirements of Web Service Compositions

Several works have addressed the management of individual Web Services. However, the specific management requirements of workflow-based web service compositions such as those specified in the WS-BPEL have not yet been considered. In this paper, we present several management requirements in web service compositions such as discovery and selection management, SLA and policy management, middleware services management, and management of the composite service. Supporting these requirements is crucial for providing a reliable service composition with well-defined QoS properties. We also introduce web service composition management and present our vision of having dedicated tool support for it in future WS-BPEL engines.

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