ISSN : 1796-203X
Volume : 4    Issue : 6    Date : June 2009

A Stochastic Approach to Predicting Performance of Web Service Composition
Yuxiang Dong, Yunni Xia, Qingsheng Zhu, and Ruilong Yang
Page(s): 485-493
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In this paper, we propose an analytical approach to predict the performance of web service
composition built on BPEL. The approach first translates web service composition specification into
Stochastic Petri Nets. From the SPN model and its corresponding continuous-time Markov chain,
we derive the analytical performance estimates of process-completion-time. In the case study, we
also use computer simulation techniques to validate our analytical model.

Index Terms
service composition, performance, stochastic Petri net