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Master Thesis

Integrating Diagnostic and Repair to Ensure the Quality of a Composition of Web Services

Abstract : Service-Oriented Computing is based on dynamic composition of web services to meet the demand of a user. A major challenge in conditioning actual use of web services is to monitor their performance and enable them to react to unexpected malfunctioning. This can be done using the mechanisms of exception handling. But they do react in a predefined manner and local issues have to be planned at the services design time. However, in dynamic environments like the Internet, web services may be subject to unexpected malfunctioning which may not be handled with repair mechanisms defined at design time. In addition, local management ignores errors during the interactions between services, which limit their effectiveness. Such failures may also propagate through the services before being detected, and the key is to find the problem at the source of the malfunction and repair the service. In this context, this work is dedicated to study a distributed but coordinated and dynamic management of repair mechanisms. The difficulty is that repairs are carried out locally, but a global approach must be ensured to take into account interactions between different services. Our objective is to propose a diagnostic-repair architecture and mechanisms for this feature in detail.
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Submitted on : Friday, October 28, 2011 - 11:00:50 AM
Last modification on : Wednesday, May 16, 2018 - 11:23:29 AM
Long-term archiving on: : Monday, January 30, 2012 - 11:14:23 AM


  • HAL Id : dumas-00636727, version 1


Muhammad Memon. Integrating Diagnostic and Repair to Ensure the Quality of a Composition of Web Services. Distributed, Parallel, and Cluster Computing [cs.DC]. 2011. ⟨dumas-00636727⟩



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