Understanding Web Services

Instantiate and invoke a Web service or component.

  • Instantiate and invoke a Web service.

Before I get into the nuts and bolts of actually working with Web services, I'll give you an overview of the way they work.

The key to understanding Web services is to know something about the protocols that make them possible:

  • Simple Object Access Protocol (SOAP)

  • Disco and Universal Description, Discovery, and Integration (UDDI)

  • Web Services Description Language (WSDL)

One important thing to realize is that, by default, all communication between Web services servers and their clients is through Extensible Markup Language (XML) messages transmitted over Hypertext Transfer Protocol (HTTP). This has several benefits. First, because Web ...

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