NOTE Dan Wahlins Integrate .NET into Other Platforms XML Magazine article explains the gyrations required to manually create a .NET client proxy for nntp.wsdl. You can read the article at http://www.fawcette.com/xmlmag/2002_03/magazine/columns/integration/dwahlin/. The Web Services Interoperability Organization Microsoft and IBM, together with Accenture, BEA Systems, Fujitsu, Hewlett-Packard, Intel, Oracle, and SAP announced formation of the Web Services Interoperability Organization (WS-I) on February 5, 2002. The organizations Web site (http://www.ws-i.org) describes WS-I as & an open, industry organization chartered to promote Web services interoperability across platforms, operating systems, and programming languages. As of mid-February 2002, WS-I had a total of 40 corporate members. WS-Is mission is to provide implementation guidance to support customers deploying Web services, promote consistent and reliable interoperability among Web services, and articulate a common industry vision for Web services. The first step in the process is establishing 4 3 6 V i s u a l B a s i c . N E T X M L W e b S e r v i c e s D e v e l o p e r s G u i d e Figure 12-2 A WSDL file created with the SOAP Toolkit 2.0 generates an operable .NET Web Reference.