Estimating the Reliability of Composite Web Services- Service Consumer Perspective

Sasikala devi, Dr.L. Arockiam


Web services are playing a predominant role in today‟s business environment. Business process is implemented as composed web services. Different workflow patterns are available for web service composition. In a business environment, web services‟ availability has been identified as one of the key properties for service-oriented applications. Quality of Service (QoS), including reliability, has been identified by IEEE as a service consumer perceived property. Though numerous web services are evolving today, reliability of the web service is an important issue. In this paper, reliability estimation technique for atomic web service is proposed. And Aggregate reliability is estimated for basic workflow patterns for composite web service.

Keywords: Web Service, Reliability, Workflow Patterns.

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