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| With the development of the Internet world, the service itself and the service environment are becoming more and more complex, service system which bases on service composition faces many new challenges, especially the security of services has become an important research problems. Typically, the service's credibility refer to the behavior and the result of the service are consistent with users' expectations, and its extension including availability, reliability, integrity, maintainability and survivability of service and so on. Intemet's attribute of openness, autonomy and free distribution of central control, heterogeneous and dynamic features of service system itself increase the difficulty of credibility. Relying solely on common services engineering method has been difficult to adapt to the credibility of security requirements.Therefore,we need apply related trusted computing technology to service engineering methodology,and security trust mechanisms should also be added, to dynamically protect the credibility of the service system. |
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| Keywords:service engineering; trusted computing; methodology for service engineering |
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