Inproceedings,

Monitoring WS-CDL-based choreographies of Web Services

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Proceedings of the 20th International Workshop on Principles of Diagnosis, page 43--50. (June 2009)

Abstract

Self-healing software, and especially self-healing web services, is one of the chal- lenging tasks for a next future. This paper is a step in this direction, insofar as it describes a framework for monitoring and diagnosing web services. One of the main diculties is that faults may propagate from one service to another, which makes the diagnosis a crucial issue in order to react properly. We propose to use a chronicle recognition approach, currently in use for monitoring complex industrial systems. The challenge is to extend the existing approach to the speci c context of web services, the main point being to deal with highly distributed systems. We focus in this paper on choreographed web services, whose choreography model is described in a WS-CDL le. We use a simpli ed example of an e-foodshop web service to illustrate our proposal. A monitoring platform, named Matrac, has been developed and experimented in the context of e-commerce. This work has been achieved in the framework of the WS-Diamond European project.

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