Chapter 3. SOAP, WSDL, and UDDI Explained

IN THIS CHAPTER

If you are going to do any Web Service development, you need to have a basic understanding of what is going on under the covers. Because the underlying technology uses plain text to communicate, you do not need any fancy tools to view and makes sense of what is going back and forth. You do, however, need to understand how the messages are defined and what the different parts mean. Web Services use three different specifications to do different things. These specifications are

  • SOAP— The XML-based protocol specification

  • Web Services Description Language (WSDL)— Defines the Web Service interface

  • Universal Description, Discovery, and Integration (UDDI)— A Web Service that serves ...

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