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It is a service specially designed for electronic devices to make communication worldwide and share information with each other using a portal World Wide Web. It is an application identified by a URI and it works by the use of interface getting described by using Web Service Description Language (WSDL). Further the process of making interaction is through XML based messages via internet based-protocols. It can also be used by the three mentioned ways; Remote Procedure Calls (RPC), Service Oriented Architecture (SOA) and Representational State Transfer (REST).
Internet plays a role of important medium in web services as it is a revolutionized communication. Web services are performing a range of functions from a simple request to complicated business processes. It has paved a wide way for application development as being adopted by various companies. Each service is defined in a discrete unit of code and is offering a small specific task. It has build up renowned search engines that leads to websites, enterprise portals, software applications and other interactive services.
These services are thus playing a complementary role in building up global information system for today’s dynamic business world.