Site to Site VPN Connectivity

Dear All
I am facing problem in VPN connectivity. The exisitng situation i sthis, we have a server in UK and other in Pakistan, We want to create VPN between these two servers using Windows 2000.
1) Tell me how i create this connection?
2) How our users (in pakistan) would access the server in UK

Thanks in anticipation for your guidance and help.

Thanks,
Wajid Ali
speakatruht@yahoo.com