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J2EE™ Security for Servlets, EJBs and Web Services: Applying Theory and Standards to Practice by Pankaj Kumar

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Web Services Standards

We have already mentioned SOAP and WSDL. SOAP describes the format of data that is transmitted over the wire. WSDL describes the interface specifying what messages an endpoint may receive and send. These descriptions must be understood and processed by communicating parties for meaningful exchange of messages. For this reason, they are also known as interoperability standards. Interoperability standards are critical for programs interacting over the network to work.

The most widely used version of SOAP, SOAP 1.1, is a W3C Note dated May 08, 2000. Since then, W3C has created a working group named XML Protocol Working Group, to work on its standardization. At the time of finalizing this chapter, the current specification, ...

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