This chapter now looks in a bit more detail at the infrastructure that provides a standard basis for locating services, describing how to use the services, and formatting of communications for XML Web services. The XML Web services infrastructure comprises the following services:
XML Web services directories
XML Web services discovery
XML Web services description
XML Web services wire formats
If you wanted to include an externally provided Web service in your application, it would be very difficult to locate it on the Internet without a way to search for it. XML Web services directories provide a central, Internet-based location for descriptions of Web services provided by other organizations. ...