Web Services Platform Architecture: SOAP, WSDL, WS-Policy, WS-Addressing, WS-BPEL, WS-Reliable Messaging, and More

Chapter 1. Service-Oriented Architectures

This chapter introduces the concept of Services and the associated architectural paradigm, Service-Oriented Architecture (SOA). SOA has emerged as a direct consequence of specific business and technology drivers that have materialized over the past decade. From the business side, major trends such as the outsourcing of noncore operations and the importance of business process reengineering have been key influences driving the surfacing of SOA as an important architectural approach to business information technology (IT) today. From the technology side, the past 15 years have resulted in a realization of the importance of middleware standards and architectures, learning in particular from the successes ...