SOA and WS-BPEL is a new book from Packt that helps users to compose Service-Oriented Architecture Solutions with PHP and Open-Source ActiveBPEL. Written by experience author Yuli Vasiliev this practical book explains in extensive detail how to build Web Services with PHP and then utilize them within WS-BPEL orchestrations deployed to the ActiveBPEL engine.
When Utilized within a Service-Oriented Architecture (SOA), Web Services are part of a business process determining the logical order of service activities - logical units of work performed by one or more services.