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SPEWS: A Framework for the Performance Analysis of Web Services Orchestrated with BPEL4WS

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3 Author(s)
Holanda, H. ; Dept. de Inf., Univ. do Estado do R.G. do Norte, Mossoro ; Barroso, G.C. ; Serra, A.

This paper addresses quality of service aspects of Web services (WS) orchestrations created using the business process execution language for Web services (BPEL4WS). BPEL4WS is a promising language describing the WS orchestrations in form of business processes, but it lacks of a sound formal semantic, which hinders the formal analysis and verification of business processes specified in it. Formal methods, like Petri nets (PN), may provide a means to analyse BPEL4WS processes, evaluating its performance, detecting weaknesses and errors in the process model already at design-time. A framework for transformation of BPEL4WS into generalized stochastic Petri nets (GSPN) is proposed to analyse the performance and throughput of WS, based on the execution of orchestrated processes.

Published in:

Internet and Web Applications and Services, 2009. ICIW '09. Fourth International Conference on

Date of Conference:

24-28 May 2009