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The web services a simply a number of tools that can be used in many various ways. The most used ones are PRC, SOA and REST. The Remote Procedure Call web services is a service familiar to a great variety of developers. It represents a distributed function call interface. The most well-know operation of RPC is WSDL. It is the first web service that was widely implemented, and therefore it is very wide deployed and supported. But, regardless of its wide implementation, it has been criticized for not being loosely coupled, because it is often

Web services are a set of tools that can be used in a number of ways. The three most common styles of use are RPC, SOA and REST. Remote procedure calls RPC Web services present a distributed function (or method) call interface that is familiar to many developers. Typically, the basic unit of RPC Web services is the WSDL operation. The first Web services tools were focused on RPC, and as a result this style is widely deployed and supported. However, it is sometimes criticised for not being loosely coupled, because it was often implemented by mapping

Use of the Web Services architecture provides the following benefits: * Promotes interoperability by minimizing the requirements for shared understanding XML-based interface definition language (NASSL), an XML-based service description (WDS) and a protocol of collaboration and negotiation are the only requirements for shared understanding between a service provider and a service requester. By limiting what is absolutely required for interoperability, collaborating Web services can be truly platform and language independent. By limiting what is

Several essential activities need to happen in any service-oriented environment: 1. A Web service needs to be created, and its interfaces and invocation methods must be defined. 2. A Web service needs to be published to one or more intranet or Internet repositories for potential users to locate. 3. A Web service needs to be located to be invoked by potential users. 4. A Web service needs to be invoked to be of any benefit. 5. A Web service may need to be unpublished when it is no longer available or needed. A Web Services architecture then