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The Channel Wire
September 22, 2008
Comcast's new network traffic management plan, recently submitted to the Federal Communications Commission (FCC), slows down heavy users at times of peak congestion, in an effort to let all users of network resources access a "fair share" of bandwidth.

The Interent/cable service provider terms its new approach "protocol-agnostic." It will focus on managing the traffic of the heaviest users -- those individuals who are using the most bandwidth, rather than target specific usage (say, peer-to-peer file sharing). At times when network congestion is high, it will slow down Internet speeds for those "power users."

According to the Comcast document, the heavy users will only be slowed during times of congestion. Otherwise, no one's speed will be affected. Subscriber traffic returns to normal priority status once his or her bandwidth usage drops below a set threshold over a particular time interval.

The timeline for Comcast's new approach is as follows: By October 15, Comcast will have completed installation of its PacketCable Multimedia and Internet Protocol Detail Record servers, and will have begun installation of the Congestion Management Fairshare servers. Within a month, by November 15, the company will have started commercial "cutovers" to the new congestion management practices on a market-by-market basis. That includes installing a software updates to customers' cable modems and disabling the current congestion management techniques.

The company projects that deployment should be complete by the end of the year, and Comcast's protocol-specific congestion management practices will be completely abandoned.

Posted by Jennifer Bosavage at 4:38 PM
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