Lidgren.Network is an open source networking library for .NET Framework with a simple API used mainly in client/server games.
Lidgren Network 3 is a networking library for .NET Framework which uses a single UDP socket to deliver a simple API for connecting a client to a server, reading and sending messages.
- Code and documentation can be found here: http://code.google.com/p/lidgren-network-gen3
- Official forum: https://groups.google.com/forum/?fromgroups#!forum/lidgren-network-gen3