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Web services-specific view

Web services-specific view - WSDL document also contains...

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Before we look at the architecture from a Web services-specific view, the following terms need a brief explanation: XML Extensible Markup Language is a generic language that can be used to describe any kind of content in a structured way, separated from its presentation to a specific device. SOAP SOAP is a network, transport, and programming language and platform-neutral protocol that enables a client to call a remote service. The message format is XML. WSDL Web Services Description Language is an XML-based interface and implementation description language. The service provider uses a WSDL document in order to specify the operations a Web service provides, and the parameters and data types of these operations. A
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Unformatted text preview: WSDL document also contains the service access information. UDDI Universal Description, Discovery, and Integration is both a client-side API and a SOAP-based server implementation that can be used to store and retrieve information about service providers and Web services. WSIL Web Services Inspection Language is an XML-based specification about how to locate Web services without the necessity of using UDDI. However, WSIL can be also used together with UDDI, and does not necessarily replace it. Figure 11-2 on page 365 is a lower-level view of an SOA architecture, but now showing some specific components and technologies. The UDDI and WSIL, separately or together, become the service broker....
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