Details about upcoming Microsoft interoperability "plug-fests," which are
Web Services interoperability events that are focused on WS-* specifications, hosted by Microsoft, and attended by
other vendors. In each plug-fest, participants use their Web Services stack to interoperate on scenarios
and test cases that are defined using these specifications. Also see the blog by Arun Gupta, Technology Evangelist
for Web Services and Web 2.0 Applications at Sun, which provides
information about Sun's participation in plug-fests.