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Source Code

The HelloWorldWebService project is located under the Chapter 25 subdirectory.

Web Service Standards

A major problem that web services faced early on was the fact that all of the big industry players

(Microsoft, IBM, and Sun Microsystems) created web service implementations that were not 100

percent compatible with other web service implementations. Obviously, this was an issue, given

that the whole point of web services was to achieve a very high degree of interoperability across

platforms and operating systems!

In order to ensure the interoperability of web services, groups such as the World Wide Web

Consortium (W3C; http://www.w3.org) and the Web Services Interoperability Organization (WS-I;

http://www.ws-i.org) began to author several specifications that laid out the details of how a

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