nanog mailing list archives

Re: Speedtest Results speedtest.net vs Mikrotik bandwidth test


From: Seth Mattinen <sethm () rollernet us>
Date: Wed, 03 Apr 2013 18:34:07 -0700

On 4/3/13 6:25 PM, Warren Bailey wrote:
I'm shocked Ookla hasn't been eaten by some major ISP. Speed tests are
the root of most complaints. Your link is congested (oversubed) and you
then attempt to completely saturate your bandwidth to tell your provider
what a suck job they are doing. I can't imagine wireless isps or those
with limited  bandwidth haven't black holed those kind of performance
tools. My world (satellite) is plagued by people who are speed testing
very narrow band connections and expecting 15mbps down. They don't
realize Speedtest is not an accurate representation of your connection
as you cannot influence your bandwidth upstream. Ds3 from you to your
56k modem type of scenario comes to mind. It may *not* be your provider
who is responsible for your issues (some people Speedtest just to call
their provider to complain for service credits etc). 


In my case I know the gig connection between me and that transit is
nowhere near saturated and works OK, so I have to assume the server
they're hosting speedtest.net on is either constantly hosed or uses a
10Base-T interface, possibly token ring.

~Seth


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