http://blogs.msdn.com/b/nelsd/archive/2012/08/28/websockets-in-wcf-how-it-looks-like-in-memory.aspxWCF 4.5 supports websockets which is a bi-directional, full-duplex communication channel over a single TCP connection. This is achieved by NetHttp(s)Binding. I used Paul's WebSocket samples from github and tried to check how it looks Paul Batum's linken-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)