chat server

hi there, - I have a plan, made a chat server and i finding an optimize way to made it.- I found a way: control every client with a different thread at server. But seem with 500 user or larger, it not be good effect.any suggestion?
[259 byte] By [NhTina] at [2007-11-26 17:20:46]
# 1
noone?
NhTina at 2007-7-8 23:48:47 > top of Java-index,Core,Core APIs...
# 2
Use non-blocking functionality.
Michael.Nazarov@sun.coma at 2007-7-8 23:48:47 > top of Java-index,Core,Core APIs...