Evaluation of QoS Based Web- Service Selection Techniques for Service Composition

In service oriented computing, services are the basic construct that aims to facilitate building of business application in a more flexible and interoperable manner for enterprise collaboration. To satisfy the needs of clients and to adapt to changing needs, service composition is performed to compose the various capabilities of available services. With the proliferation of services offering similar functionalities around the web, the task of service selection for service composition is complicated. It is vital to provide service consumers with facilities for selecting required web services according to their non-functional characteristics or quality of service (QoS). The objective of this paper presents the exploration of various techniques of Quality of Service based Service Selection (QSS) approach in the literature. To evaluate the service selection process, a number of criteria for QSS approach have been identified and presented in this paper.