want to do mmorpg

Here's some links you may find useful.

http://www.realmcrafter.com/

http://www.gamedev.net/reference/list.asp?categoryid=30

http://beej.us/guide/bgnet/

http://www.gamedev.net/community/forums/showfaq.asp?forum_id=15


Also check out the code archives on this site. There's some good stuff in there on cubic spline interpolation, networking, etc.


Here's a MMORPG being developed with Blitz3D.

http://www.freeworldonline.com/