This is the reason behind the…
Player Connection Stutter
Explosives Stutter
Failed Text to Server (Chat)
Jump Lag/Warping
Dumps of server info is also causing a regular dip in framerate at set intervals.
Not only that its basically impossible to have a reliable network connection…
Normally games would fill in the gaps/delays or ignore them until everything is back on track.
The fact we can “feel” these problems are making the problem worse.
I think while this remains the case the game will never feel as smooth as it should.
Not to mention I believe this also means there are massive disadvantages to higher frame rates.

