This online tutorial guide for anyone wanting to start building
Service-Oriented Architecture applications using powerful, free tools
explains in detail how to build and deploy them by creating Web
Services with PHP, combining them into SOAs with WS-BPEL using free
ActiveBPEL Designer, and deploying composite WS-BPEL-based
orchestrations to the open-source ActiveBPEL engine. Unlike many books
on SOA, it is not focused on architecture, but discusses practical
aspects of SOA and WS-BPEL development with many examples, showing you
how to apply architecture in practice. In 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. Today the
most popular tool for organizing service activities into business
processes is Web Services Business Process Execution Language
(WS-BPEL). A graphical WS-BPEL tool like ActiveBPEL Designer can
significantly simplify defining a business process with WS-BPEL