Chapter 6Process-Oriented BPEL
The previous chapter introduced BPEL as one of the prominent implementation languages for service components in the SOA Suite. BPEL is good for creating components that call upon multiple Web Services, that may be asynchronous in nature, and whose combined results are used to achieve some business purpose. A BPEL process can resemble both a short-running composite service that combines several automated elementary services as well as a business process, especially when it is configured to have parallel activities, has a state that runs for longer than a subsecond, and also involves notifications to and tasks performed by human participants. This chapter introduces some of the more advanced BPEL concepts—especially ...
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