I thought it was called Traffic Shape Management!
Quote:
Traffic management
We don't like traffic jams
Here at Virgin Media, we want all our customers to get the best service possible from their broadband. That means speedy downloads for all users – not just a few.
When someone is downloading a particularly large amount of information over a long period of time, it can slow down the internet speed for other users who might just be checking their email or browsing online. So to make sure our service is fair for everybody, we sometimes moderate the speeds during peak times (4pm till midnight) for customers who are downloading an unusually large amount at these times.
This ensures that the service doesn't get blocked up with people using more than their fair share – which means a lot fewer traffic jams on the information superhighway.
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Source:
http://allyours.virginmedia.com/html...t/traffic.html