4.1 An SOA timeline (from XML to Web services to SOA)
4.2 The continuing evolution of SOA (standards organizations and contributing vendors)
4.3 The roots of SOA (comparing SOA to past architectures)
One of the SOA characteristics we identified in Chapter 3 is that it is in a state of evolution. To fully appreciate this quality we need to take a look at what industry developments are influencing SOA today and the overall direction SOA is headed.
This chapter examines the relationship between XML, Web services, and SOA and explains how vendors and standards organizations have formed a strangely competitive and collaborative ...