Get Connected With The .NET Framework 3.5
MSDN Magazine has coverage of Peer-to-Peer (P2P) namespace in the upcoming release of the .NET Framework 3.5 (which will ship with Visual Studio® 2008, formerly code-named "Orcas"). Check it out here:
https://msdn.microsoft.com/msdnmag/issues/07/09/Networking/default.aspx
-Tyler