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Volume 20 / Issue 3

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DOI:   10.3217/jucs-020-03-0302


Service Composition Management: A Risk-Driven Approach

Shang-Pin Ma (National Taiwan Ocean University, Taiwan)

Ching-Lung Yeh (National Taiwan Ocean University, Taiwan)

Ping-Chang Chen (National Taiwan Ocean University, Taiwan)

Abstract: How to effectively and efficiently monitor, manage, and adapt web services in a composite service or a service-oriented application is becoming a significant issue. In this paper, we argue that it is insufficient to only solve emerging service faults at the deployment time or runtime; instead, we propose that the prediction of service faults is equally important. We devised a risk-driven service composition management (RDSCM) approach including four main phases: (1) preparation, (2) planning, (3) monitoring and reaction, and (4) analysis. By applying the proposed approach, risky component services can be removed earlier, and the fault source can be tracked and identified more easily when a fault occurs. We developed a prototype to realize the proposed approach, and conducted experiments to verify the approach. The implementation and experiments demonstrate that the proposed risk-driven approach can effectively and efficiently ensure the robustness of a service-oriented system.

Keywords: risk management, service composition, service management

Categories: D.2, D.2.11