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Anbazhagan Mani & Arun Nagarajan

Company: IBM
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Anbazhagan Mani is a software engineer at IBM Software Labs in India. He has experience working in WebSphere family of tools, XML, Java technologies, BPM, Workflow, and Object technologies. Recently, he has been working on Web services QoS, P2P computing, and Business Process Integration. You can reach him at

Arun Nagarajan is a software engineer at IBM Global Services in India. He has previously worked in XML and Java technologies like JavaBeans, J2EE, and WebSphere. Currently, he has been working in different Web services technologies such as SOAP, WSDL, UDDI, etc. You can contact him at


With the widespread proliferation of Web services, quality of service (QoS) will become a significant factor in distinguishing the success of service providers. QoS determines the service usability and utility, both of which influence the popularity of the service. In this article, we look at the various Web service QoS requirements, bottlenecks affecting performance of Web services, approaches of providing service quality, transactional services, and a simple method of measuring response time of your Web services using the service proxy.

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