Abstract
Web services are playing dominant role on Internet for e-business. The compositions of these services are used to meet business objectives. The web service choreography describes the external observable behavior of these compositions. Many compositions may available for same functionality. These compositions cannot be distinguished on the basis of functional properties. This Quality of services (QoS) may help the user to select web services and to analyze composition of the web services. Web service choreography is going to dictate implementation of workflow. This workflow consists of several tasks. Each task is implemented by web services. These services are hosted in large numbers by different service providers on different service clusters. The mapping of service and task is difficult issue in run time environment. The interoperability between services is also a great problem. The selection of services is very big issue. In this paper we have proposed a bio-inspired selection algorithm based on dominant role and proposed a discovery infrastructure. We have also used the client behavior to improve the failure of the composition of the service.
Highlights
Several business organizations are interacting their business activities through heterogeneous software applications
In this paper we have proposed a bio-inspired selection algorithm based on dominant role and proposed a discovery infrastructure
We propose a meta-heuristic search based on dominant role of choreography
Summary
Several business organizations are interacting their business activities through heterogeneous software applications. Software acts as a component or a service These services are self describing, interoperable and loosely coupled. To model the service interactions several standards are present like web service choreography and orchestration. The present service descriptions do not captures this information in the WSDL file In this scenario client invocation behaviour plays dominant role to minimize failure of service. These services are stored in centralized environment. Due to tremendous growth in web services this centralized approach seems impractical This motivated distributed environment to store web services. In nature insects are using their wonderful sense to search food source All they are using very good methods for interaction and communication in their society. We have used web service meta model with QoS as in [5] to use quality of service attributes in web services
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