Service-Oriented Architecture (SOA) is an approach to building complex software systems from a set of reusable services that obey service-orientation principles. With those sorts of numbers, it stands to reason that many readers will be interested in a roadmap and a cohesive example that brings some clarity to the problem. A recent article from IBM Global Technology Services suggests that nearly half the companies in the world are either adopting, piloting, or considering SOA, and that investments in these projects may reach between $18 Billion and $160 Billion in the near future. Web services and SOA have become increasingly important in today's IT universe. Why a Service-Oriented Architecture Roadmap? Our SOA Process Roadmap will tie everything together in what we hope will be a clear and understandable manner. The example we'll follow will be a Service-Oriented Architecture (SOA) car rental system model, developed by the team at Sparx Systems, that's implemented with a combination of web-services and custom software. Along the way we'll illustrate many of the key features of Enterprise Architect Business and Software Engineering Edition. We're going to take a shot at it in this article by defining a process roadmap and following a single example all the way from architecture to code. Trying to make sense out of the "acronym-scrabble" that engulfs Service Oriented Architectures (SOA) is a major challenge.
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