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Download speeds never seem right

post #1 of 14
Thread Starter 
Title is a bit retarded because I always have a hard time coming up with an acceptable title. Anyway, I buy 30Mb/s internet from comcast and it always shows +-2Mb/s around there when I do online speed tests. However when I download it's only 1.5MB/s max, which is 12Mb/s. It doesn't matter what kind of download, file from the web, steam game, other unmentionable-on-this-forum forms of downloads with a certain ratio being as good as 4000:100. I know some servers that have files and crap like that have a really slow upload so that would be appropriate for some, but there should at least be a few out there that go faster.

What's wrong?
post #2 of 14
Quote:
Originally Posted by The_Network View Post
Title is a bit retarded because I always have a hard time coming up with an acceptable title. Anyway, I buy 30Mb/s internet from comcast and it always shows +-2Mb/s around there when I do online speed tests. However when I download it's only 1.5MB/s max, which is 12Mb/s. It doesn't matter what kind of download, file from the web, steam game, other unmentionable-on-this-forum forms of downloads with a certain ratio being as good as 4000:100. I know some servers that have files and crap like that have a really slow upload so that would be appropriate for some, but there should at least be a few out there that go faster.

What's wrong?
Try downloading a large, single file from this certain website using the certain protocol. Small barrages of files download slower.

Other than that, it's just Comcast being Comcast. I would call those guys up and complain once you're sure the speed is really that slow.
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post #3 of 14
Thread Starter 
But why would it show 30Mb/s in an online speed test? Does comcast only run the rated speed they show for traffic they know is coming from speed testing sites?
post #4 of 14
I'm not from the States so tell me does comcast provide routers modems, dsl adsl?
What equipment do you have? Nic? Router? Modem? Wired wireless etc etc
post #5 of 14
Thread Starter 
Hmm this is interesting, I went to an online speed test that's practically unused compared to speedtest.net and I got 13Mb/s. That's about right for the unmentionable-form-of-download speeds I've been getting. And then I go right over to speedtest.net and it shows 30Mbps, comcast is obviously shaping the traffic to show really good on speedtest.net so people are happy. Calling them and yelling now...
post #6 of 14
Here is a possiblity ... the site you're downloading from doesn't have as much speed ...
    
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post #7 of 14
Quote:
Originally Posted by IBuyJunk View Post
Here is a possiblity ... the site you're downloading from doesn't have as much speed ...
That's exactly right.
post #8 of 14
Also, a lot of ISPs do SpeedBoost theses days, where they give you more bandwidth for 30s-1min if your average bandwidth is below a specific limit. This helps inflate speed test scores and make for quick download of small files.

This is can really inflate scores if your provider is congested/over sold (very common), as they will give you the full 30mbit that you pay for for 30s, but then drop you down to the congested speed.
post #9 of 14
You don't think anybody is leaching your bandwidth do you? You are probably using WPA2 encryption and Mac Address filtering on your router, right?
    
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post #10 of 14
Keep in mind Comcast uses "SpeedBoost" which effecitvely doubles your bandwidth for the first 10 MB of a file. This also affects speed tests. This is also how they market their lines ("Wow 30 mbps speedboosted!", etc). Your line appears to be operating within normal specifications.
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