This weeks reading talks about XML Services. XML Web services are the fundamental building blocks in the move to distributed computing on the Internet. Open standards and the focus on communication and collaboration among people and applications XML Web Services expose useful functionality to Web users through a standard Web protocol. In most cases, the protocol used is SOAP. XML Web services provide a way to describe their interfaces in enough detail to allow a user to build a client application to talk to them. This description is usually provided in an XML document called a Web Services Description Language (WSDL) document. XML Web services are registered so that potential users can find them easily. This is done with Universal Discovery Description and Integration (UDDI).
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