Abstract

In order to improve the robustness and recovering capability of the Web service, the fault diagnosis becomes the key technology in the Web service management. On the basis of analyzing the features of the Web service fault, this paper proposes a Web service fault taxonomy that combines the Web service type with the implementation process and constructs a Web service fault tree. Meanwhile, this paper also proposes a policy-based Web service fault diagnosis method, as well as designs and realizes a policy-based Web service fault diagnosis system. The analysis and verification shows that the policy-based Web service fault diagnosis system can effectively support quick and accurate Web service fault diagnosis.

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