[def_true_false]

Increasing the server tick rate would help with that. AFAIK Starcraft, Dota2 and LoL all use 30Hz. FPS games usually use higher tickrates. Some fighting games enforce a constant amount of (input and network) lag to make the connection quality unimportant (up to a point).

[monocasa]

Unfortunately there's a lot of jitter in real world environments, so you can't really rely on that. : \