Understanding Web Services: XML, WSDL, SOAP, and UDDI

This book introduces the main ideas and concepts behind core and extended Web services technologies and provides students with a primer for each of the major technologies that have emerged in this space. In addition, Understanding Web Services summarizes the major architectural approaches to Web services, examines the role of Web services within the .NET and J2EE communities, and provides information about major product offerings from Microsoft, IBM, IONA, HP, Sun, BEA, Oracle, and others. Key topics include: XML facilities for structuring and serializing data, how WSDL maps services onto communication protocols and transports, WSDL support for RPC-oriented and document-oriented interactions and UDDI data formats.

Eric Newcomer is chief technical officer at IONA (http://www.iona.com), an independent provider of e-business platforms for Web services integration. As a member of the World Wide Web Consortium (W3C), the organization responsible for establishing Web standards, he participates in the XML Protocols and Web Services Architecture Working Groups. He is also IONA's representative to UDDI.org and has been active in Web services since early 2000. He is the coauthor of the highly acclaimed Principles of Transaction Processing (Morgan Kaufmann, 1997), as well as numerous journal articles, chapters, and conference reports.

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