Web Services are built on service-oriented architecture which is based on the notion of building applications by discovering and orchestrating services available on the web. Complex business processes can be realized by discovering and orchestrating already available services on the web. In order to make these orchestrated web services resilient to faults; we proposed a simple and elegant check...

—This paper discusses the security implications of Web Services and proposes a framework for providing security based on current and future requirements. The framework provides a basis for achieving end-to-end security for Web Services within the pre-existing security environment. Finally, lessons from initial experiences with Web Services security and advice for the future are provided. Web Se...

Web services evolve over their life time and change their behavior. In our work, we analyze Web service related changes and investigate interdependencies of Web service related changes. We classify changes of Web services for an analysis regarding causes and effects of such changes and utilize a dedicated Web service information model to capture the changes of Web services. We show how to put c...

With WSDL, SOAP and UDDI, Web services are becoming popular with Web application. However, current Web services architecture is confronted with a few intractable problems. We shall give an overview of these problems and current efforts. Finally, we set an eye on the amalgamation of Web services and Grid technologies.

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Web services technology provides a new computing model, which greatly accelerates application processes and responds to changing business needs within and across enterprises. Increasingly, web services transactions are key additions to business processes that access multiple web services and need to string them together. However, many of the previous approaches for scheduling transactions consi...