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Guest View: SOAs Are Turning the Corner

By Brent Carlson

September 1, 2005 — (Page 1 of 4)
In the past year, service-oriented architectures have become mainstream because of their promise to provide business agility and flexibility through integration, productivity and reuse. Organizations across many industries are now investing in SOA strategies in order to put their IT house in order. In fact, a recent Forrester report found that more than 70 percent of large enterprises, as well as many small and medium-sized businesses, are currently deploying SOAs.

The market has seen numerous vendors emerge with SOA offerings and services, and major analyst firms have pushed a positive outlook on the market. With the hype and promise of SOA continuing to build, and initial adopters of the various technologies supporting SOA beginning to realize ROI, it is important to keep in mind that there are a number of areas that need to be addressed for the full promise of SOA to be realized.

First, all the hype has led to a certain amount of confusion. SOA does not equal Web services—in other words, a Web service that exposes a particular business function may very well be too fine-grained or too narrowly defined (i.e., application-specific) to be considered a valid element of an SOA. SOA is an approach to enterprise architecture that abstracts IT functionality into business-oriented services. Getting an SOA right means spending some upfront time thinking about key business processes and how they can be supported by a set of common underlying services.

SOAs will deliver significant financial and efficiency benefits only to the extent that they enable disparate projects to reuse common services that support key business processes. The long-term ROI of SOA will best be measured by the ability to rapidly implement new applications and integrations based on existing services, enabling organizations to react quickly to changing market demands, while simultaneously reducing both development and operational costs by eliminating redundant code. This of course is easier said than done. Achieving this “SOA Nirvana” requires a governance process that supports, tracks and manages service production and consumption within an SOA.

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