On Design Principles for Realizing Adaptive Service Flows with BPEL

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Provided by: University of Udine
Topic: Big Data
Format: PDF
Web service technology offers a promising approach for realizing enterprise-wide and cross-organizational business applications. With the Business Process Execution Language for Web Services (BPEL, also known as WS-BPEL or BPEL4WS) a powerful language for the process-oriented composition and orchestration of Web services exists. However, BPEL flow specifications tend to be too complex, and current BPEL engines do not provide the flexibility needed to cover the broad spectrum of business processes users have to deal with in practice. Neither ad-hoc deviations form the pre-specified BPEL schema (e.g., to add or move activities for single flow instances) nor the propagation of BPEL schema changes to a collection of flow instances have been supported by BPEL engines yet.
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