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WS-BPEL 2.0 for SOA Composite Applications with IBM WebSphere 7 by Gregor Srdic, Matjaz B. Juric, Ales Frece, Swami Chandrasekaran, Matej Hertis

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Chapter 1. Introduction to BPEL and SOA

BPEL (Business Process Execution Language) for web services, also WS-BPEL, (BPEL4WS) is a language used for the composition, orchestration, and coordination of web services. It provides a rich vocabulary for expressing the behavior of business processes. In this chapter, we introduce BPEL, define its role with regard to SOA (Service Oriented Architecture), and explain the process-oriented approach to SOA and the role of BPEL. We will also provide short descriptions of the most important BPEL servers — the run‑time environments for the execution of business processes specified in BPEL and compare BPEL with other business process languages. In this chapter, we will:

  • Discuss the role of business processes and ...

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