How to keep and accumulate intellectual property of the software to the greatest extent, prevent from repeated to work, improve software productivity and quality, shorten construction period and reducing the development cost as much as possible, is the whole software trade in a diligent important research direction all the time. Which includes reusing data, reusing module, reusing structure, reusing design, reusing standard, even reusing software development process and so on. Nowadays, in the fierce commercial competition, enterprises may face the business with the demand increased, recombinated, combined etc. at any time. For improve the rank of software reuse ulteriorly, fully utilize existing assets, meet enterprises' demand and reduce the risk of developing in a flexible way rapidly, the new IT structure implementation method "service-oriented architecture" (SOA) is generated and developed, which is expected to resolve the contradiction of real time enterprise business and inflexible traditional enterprise IT.With the KA-2 platform, this paper carries on some theories study of...
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