Architecture-based reliability analysis of web services in multilayer environment

Authors:
M. Rahmani;A. Azadmanesh;H. Siy
Affiliations:
University of Nebraska-Omaha, Omaha, NE, USA;University of Nebraska-Omaha, Omaha, NE, USA;University of Nebraska-Omaha, Omaha, NE, USA
Venue:
Proceedings of the 3rd International Workshop on Principles of Engineering Service-Oriented Systems
Year:
2011

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Abstract

The reliability analysis of web services is often focused on the web service components, ignoring the impact of the middleware located beneath the web services. A service-based software system is a multilayered system that includes the web service (WS), shared resources, and the hosting application server (AS). It is conjectured that the reliability prediction of the web services is improved if the reliability model accounts for such underlying layers. The initial experiment illustrates that the AS and shared resources can impact the overall reliability of web services greatly. This observation is demonstrated by simulating the interaction between a web service and the AS.