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When calculating the value of an SOA, it's best to focus on reuse among existing Web services, rather than the number of newly developed Web services. Reuse is not only a key benefit of SOA, but also something that one can quantify. One can measure how many times a service is being used and how many processes it is supporting, thus the number of items being reused. This enables to measure the value of the service. With a little work, a person can calculate the cost savings for each instance of reuse, including saved architecture and design time, saved development time, and saved testing time. Moreover, reuse means fewer services to maintain and triage.

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Format:PDFSize:484 KB
Date:May 2006
Pages:15

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