Hola,
For Win XP Pro I was using Traffic Shaper XP, its free and as long as installed on each individual machine and setup properly I can limit each PC on my networks bandwidth usage at any given time. It just runs in the background. Dont get me wrong I have like a T2 Down stream and a T1...
background processes
bandwidth
download
freeware
internet
limitations
network issues
network performance
networking
pc management
pc setup
software
trafficcontroltraffic shaping
upload
user management
windows 7
windows software
windows xp