This free e-book focuses on the SOA
approach to integration of existing (legacy) applications and newly
developed solutions, using modern technologies, particularly web
services, XML, ESB, and BPEL. The book shows how to define SOA for
integration, what integration patterns to use, which technologies to
use, and how to best integrate existing applications with modern
e-business solutions. It also shows how to develop web services and
BPEL processes, and how to process and manage XML documents from the
JEE and .NET platforms. Finally, it also explains how to integrate both
platforms using web services and ESBs.