Reliability Prediction and Sensitivity Analysis of Web Services Composition
Duhang Zhong, Zhichang Qi, Xishan Xu · 2008
In this paper, we introduce an approach to predict the reliability of Web services composition. We present the transformation algorithms from BPEL, which is the de facto industry standard of Web services composition specification, to CSPN models. Using the model, we can compute the reliability prediction of the web service composition. The major contribution of this paper is a reliability prediction technique that takes into account the structure of BPEL specification and the concurrent nature of service composition. For future work, we will transform all control-flow constructs of BPEL (including link, scope, faultHandler etc) into Petri nets. And we will use our CSPN model to give a more precise estimation of the reliability and performance of web service composition.