are there any tutorials on multiplayer networking?

i have gotten to be reasonably good at making games in unity and am even working a FPS game that has enemies with their own AI but i havnt messed with or even gotten close to messing with multiplayer games but i figure i should start sooner or later. is there a good tutorial i can use to learn how to script a multiplayer game in unity?

Quite:
http://forum.unity3d.com/viewtopic.php?t=30788