A Web service is software that is available over the Internet and uses a standardized XML messaging system to invoke the service and supply the response. Web services are a useful way to provide data to a variety of consumers; for example, traffic reports, stock quotes, and travel services. This section provides basic introductory material about Web services and describes how to implement Web services in your portal.
This book does not provide the detailed information
necessary to fully understand and use Web services and Web service
protocols. You can find detailed informationhttp://searchwebservices.techtarget.com/ and http://www.w3.org/2002/ws/.
