Hi, After some months of playing wow i discovered this little fix to reduce the LAG in game servers.
This script increase the frequency of TCP sent to game server.
Is for Wow , but works in any online game such RF Online.
Read Here for More Info:
Leatrix Latency Fix : WoWInterface Downloads : WoW Tools & Utilities
To Download click in download button , right side
Discuss if it help you
Sorry my english ^^