C# Game Network Library

Question

I am developing an online strategy game using .Net v2. Although the game is primarily strategic, it does have some tactical elements that require reasonable network performa

Answer 1

http://code.google.com/p/lidgren-network-gen3/

Lidgren.Network 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.