Yes I mean between 2 or more servers located at different places.
For remote admin of my server I use a terminal server session for direct access (
www.RealVnc.com is a good alternative for ppl without dedicated servers, but eats loads of processor time)
PHPMyAdmin for working with the database (
http://www.phpmyadmin.net/ - At least basic experiance with setting up php and a webserver required)
And a couple of custom batch files which automatically restart crashed zones (with a 1 minute delay, restarting without a delay causes an authentication problem with the world server)