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Evaluating the Reliability of Web Services Based on BPEL Code Structure Analysis and Run-Time Information Capture

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4 Author(s)
Bixin Li ; Sch. of Comput. Sci. & Eng., Southeast Univ., Nanjing, China ; Xiaocong Fan ; Ying Zhou ; Ziyong Su

In this article, an approach is proposed to evaluate the reliability of Web services, where three kinds of Web services are discussed, they are atomic service without the structural information, structural activity based composite service which is composed from other services by using a structural activity mechanism, and BPEL flow process based composite service which composes all kinds of atomic services and activity based composite services using BPEL language in an orchestration style. Firstly, the reliability of atomic service is evaluated based on an extended UDDI model, then, the reliability of activity based composite services is evaluated using BPEL code structure analysis, the reliability of atomic service, and function transition probability, finally, the reliability of BPEL flow process based composite web service was evaluated by a recursive algorithm. Case study and experimental results show the significance of the approach.

Published in:

2010 Asia Pacific Software Engineering Conference

Date of Conference:

Nov. 30 2010-Dec. 3 2010