The ugly day has arrived. Upper management has come to the conclusion that employees spending all day on Myspace and YouTube does not in fact lead to a productive work environment. They have asked ...

Cisco ThousandEyes has acquired Code BGP, a privately held Border Gateway Protocol (BGP) monitoring company in its seventh planned acquisition of the year.

Cisco ThousandEyes gains Code BGP’s real-time detection of BGP hijacking, route leaks and other BGP performance and security issues.

You can monitor detailed network usage in Performance Monitor included in W2000 and XP, but I doubt per user. Also use netstat for port usage.