Registry have nothing with your distance or even ping,only in case if your system is in really bad condition with plenty of tweak shit which make any game run unstable.
Not really. It indeed does while you can make delay between sending pockets etc lower. Read more about this method.
In previous post i was bit lazy to write more than just registry have nothing with ping,cause playing in registry is risky if you ain't skilled so its more easy to say people it doesn't help so they wont bother to edit something and probably make worst than was before they tried.
It does but you must do more than just of edit one value to true(1)
That is why your tip didn't helped for most of people here.
Check list about TCP/IP there are plenty things to change if you are about to do.
http://support.microsoft.com/kb/314053Some people using DHCP,some use static IP on their systems same is with their routers,modems,etc. and hell internet providers...