Chapter 6. Architect and Design Services Using BPEL

In an enterprise, it is rare for us to get an opportunity to design and build enterprise systems from scratch. As enterprise architects, we must deal with the existing application services portfolio to identify commonly used services, and utilize them to implement an enterprise SOA. The architectural design has shifted from creating standalone enterprise systems from scratch to integrating existing systems due to the huge benefits in cost and time to deliver such systems. The standalone system cannot meet the business requirements in an enterprise setup anymore to benefit from economies of scale and scope.

There are several use cases for Business-to-Business (B2B) integration and application to application integration. Usually, many enterprises have application platforms developed using different technologies such as .NET, Visual Basic, Java, PHP, Mainframe, and Commercial Off-The-Shelf (COTS) products. To achieve integration goals, always...