Touring Web Services
Figure 8.1 provides an overview of Web services and the roles that are played by each component of a Web service. The transaction begins when a client makes a request to a Web application. This request could be an HTTP request, a WAP request, or any other request type that the application could handle. The application then employs the use of a Web service for some specific functionality. Thus, the application is a client of the Web service. The first step that the client makes to use the service is to find a provider for the particular service it would like to use. This is accomplished by communicating with a Universal Description, Discovery and Integration (UDDI) registry. When the Web services client has found a provider, ...
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