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I'm probably one of Comcast's more active customers and it really seems that as I have become more active my internet has become slower. Could I be being throttled?

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asked May 22 '11 at 20:41

Paul%20Shirey's gravatar image

Paul Shirey

Comcast says that they don't. However I think that they do. Really fast Internet plan with Comcast however I think that they throttle YouTube access because the speed test on YouTube says that I am getting less than half my speed. I know someone that has a speed at 5 Mbps and they can download a YouTube video twice as fast. I think that they are but who knows.

answered May 22 '11 at 20:51

TheTechDude's gravatar image


I used to get 30mbps from them but I've seen it drop down to 13mpbs. Crooks!

(May 22 '11 at 21:12) Paul Shirey Paul%20Shirey's gravatar image

Mine is a 30Mbps also I think. But now I get about 20Mbps. I also might has a business class plan (Because of what we pay for the speed) but I'm not sure and my parents don't know.

(May 22 '11 at 21:24) TheTechDude TheTechDude's gravatar image

Yes, they use SandVine to throttle. There is no way to get around it either, as a sandvine box is installed with your cable box

answered May 22 '11 at 20:52

Kyle's gravatar image


Well that will depend on the time of day as well. Even up here in Canada. The two Major ISP providers Like Bell Canada and Videotron. There seems to be some throttling being done. But they are most likely during peak hours of day. I hardly notice it at night time like past 12:30am after work since I am working evening here. I would not notice it that much over here since everyone is already asleep up over here.

answered May 22 '11 at 21:08

Compucore's gravatar image


What about Rogers?

(May 22 '11 at 21:33) archaeme archaeme's gravatar image

I don't know off hand about rogers if they do the same thing. But like I said I know for sure with Videotron and Bell high speed internet they might be doing it there. Since I worked as a bell rep for doing help desk. Many times as well being a rep there are a few people that do not know enough about using the internet since they are just starting to learn on knowing what to do with it. Its a big jungle out there just learning about what the internet can do for you without loosing your hair about it.

(May 24 '11 at 13:46) Compucore Compucore's gravatar image

Check out this article http://tinyurl.com/3cdo96j

answered May 22 '11 at 22:27

Paul%20Shirey's gravatar image

Paul Shirey

YES! Comcast has been throttling bandwidth since the later part of 2008.

alt text

"... In line with their traffic management website Comcast has confirmed to us they've installed their new broadband throttling system across all markets. The system, which we first profiled back in September, throttles a user's connection if a particular CMTS port is congested, and if that user has been identified as a primary reason why. This two-condition throttling system replaces Comcast's old, FCC-criticized system of using forged TCP packets to throttle upstream P2P services for all users, regardless of consumption ..." | http://www.dslreports.com/shownews/New-Comcast-Throttling-System-100-Online-100015

answered May 24 '11 at 14:20

r0bErT4u's gravatar image


edited May 24 '11 at 14:24

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Asked: May 22 '11 at 20:41

Seen: 12,149 times

Last updated: May 24 '11 at 14:24