XML Web Services
An XML Web service is a programmable application component that is accessible through standard Internet protocols. If that definition doesn't make sense to you, perhaps you can understand XML Web services better by comparing how XML Web services work with the way the Web works today. Today, a web browser makes a request on a Web server using the HTTP. The Web server reads this request and responds with an HTML page that contains a visual representation of the requested data. In some cases, the Web server will use a technology like the Common Gateway Interface (CGI) or ASP to generate the HTML dynamically, perhaps using data from a database. In other cases, the Web server simply returns a static HTML page.
With XML Web services, ...
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