One of the business benefits organizations strive to achieve by  implementing a Service-Oriented Architecture, or utilizing Web Services, says Parasoft's Rami Jaamour, is the opportunity to reuse business components. "Asset reuse is one of  the core drivers of the SOA or Web Service ROI calculation," he notes.

"Although leveraging the service concept provides an avenue for application consolidation and reuse," says Jaamour, "these same efficiencies also introduce a distinct level of business risk."

In his view, in spite of the technical risks involved, reusable components are core to the SOA vision:

"In order to fully reap the benefits of SOA and Web services, it is critical that companies find an efficient and robust solution that mitigates risk, increases trust, and ultimately promotes reuse. However, in order to promote trust in the business components that are to be reused, policies that determine how the services are handled must be followed and enforced."

The ability to attain the benefits of service orientation, he will contend, is largely constrained by the ability to manage the various SOA domains: security, management, registry, development, orchestration/composite services, and enablement/integration. The lack of a solid SOA governance strategy throughout the entire service lifecycle can result in an inconsistent and uncontrollable IT infrastructure that compromises the benefits of SOA.

"This SOA governance strategy is just the first step," Jaamour says. "A governance strategy without the capability to enforce the prescribed policies is destined for failure. In order to achieve the forecasted benefits of SOA, including reuse, you must achieve trust. Trust that your services are capable of supporting defined business objectives. Trust that your services are scalable to meet the demands of business partners. Trust that your services are robust and interoperable. Building this trust means that the SOA governance strategy is enforced, and this begins in design and is extraordinarily critical in development."

About the Speaker: Rami Jaamour is a product manager for SOA Solutions at Parasoft Corporation. Rami has 5 years experience in the SOA and Web services domain. He has published numerous articles and spoken at many SOA related events, such as RSA, EclipseWorld, SOA World, etc.. His experience with SOA includes the development of effective SOA test automation methodologies and the establishment of effective SDLC processes and activities that are essential for successful SOA initiatives. Rami has worked with many of Parasoft clients on achieving their goals in having secure, reliable and compliant SOA.

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