Preface

WS-BPEL 2.0 (Business Process Execution Language for Web Services, also BPEL or BPEL4WS) has become the industry standard for orchestration of services, implementation of business processes, and development of composite applications. BPEL provides a rich vocabulary for expressing the behavior of business processes and composites. Although it looks quite simple at first sight, BPEL provides a rich set of operations (called activities) to model the process flows of composite applications, such as asynchronous and parallel invocation of services, correlation, event, fault, compensation and termination handlers, scopes, source and destination links, and so on.

BPEL is an OASIS specification. It is not owned by a specific vendor or company. ...

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