Page "Universal Description Discovery and Integration" Paragraph 15

Green pages are used to describe how to access a Web Service, with information on the service bindings.

Some of the information is related to the Web Service-such as the address of the service and the parameters, and references to specifications of interfaces.

Other information is not related directly to the Web Service-this includes e-mail, FTP, CORBA and telephone details for the service.

Because a Web Service may have multiple bindings ( as defined in its WSDL description ), a service may have multiple Green Pages, as each binding will need to be accessed differently.