[tor-relays] Measuring the Accuracy of Tor Relays' Advertised Bandwidths

[Matt Westfall]

Thank goodness something is being done to hopefully resolve some of the 
issues with unutilized bandwidth that people keep talking about 
constantly.

I get having to change things due to abuse and misconfigurations with 
the tor network using observed bandwidth and some bandwidth testing to 
confirm/verify available bandwidth versus just using whatever 'ol 
configuration value is set.

But it's definitely kind of slowed nodes down in general :(


Matt Westfall
President & CIO
ECAN Solutions, Inc.
Everything Computers and Networks
804.592.1672

------ Original Message ------
From: "Roger Dingledine" <arma at torproject.org>
To: tor-relays at lists.torproject.org
Sent: 7/26/2019 10:35:29 AM
Subject: Re: [tor-relays] Measuring the Accuracy of Tor Relays' 
Advertised Bandwidths

>On Fri, Jul 26, 2019 at 10:18:24AM -0400, Rob Jansen wrote:
>>  I am planning on performing an experiment on the Tor network to try to gauge the accuracy of the advertised bandwidths that relays report in their server descriptors. Briefly, the experiment involves running a speed test on every relay for a short time (about 20 seconds).
>
>Thanks Rob!
>
>For context, I asked Rob to do this experiment, because we know that
>the current bandwidth authority design is mis-measuring relays, but we
>don't know how wrong things are. Giving every relay a short burst of
>load should give us some insight into how much traffic that relay can
>handle, which will in turn tell us how much room for improvement there
>is in our bandwidth estimation.
>
>And as a bonus, for this one time, fast relays should actually be
>consistently seen as fast, and the Tor network should be better balanced
>and the user experience should be better. If we like how it works,
>our follow-up task will be to change things so we get this result all
>the time. :)
>
>Woo,
>--Roger
>
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