The following is a description of how Canaxia moved into Web services. The functionality that they chose to turn into Web services and the thought processes behind the choices.
The system architecture analysis done by Myles Standish indicated that several areas would benefit greatly from an SOA. The business drivers for the SOA implementation would be these:
Save money by creating components from existing legacy applications and client/server functionality so that they can be integrated into the enterprise architecture.
Make Canaxia agile by increasing architectural flexibility and by increasing the choices of how to provide a given functionality.
Produce shared components for the software product line ...