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 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 ( 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.