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Date: Fri, 8 Aug 2014 07:42:26 +0200
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From: Anders Andersson <pipatron@gmail.com>
To: tor-talk@lists.torproject.org
Subject: Re: [tor-talk] Cause of drops in network congestion on 2013-10-09
	and 2014-06-06
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Why do you think they belong to different groups? It's absolutely not
obvious if the colorization is removed. All of your "groups" have a
preceding slope indicating that something started before your limits,
and they seem to be normal variations of a general down slope that
started in 2013.

On Fri, Aug 8, 2014 at 12:54 AM, Virgil Griffith <i@virgil.gr> wrote:
> I've been looking through the various historical data from
> metrics.torproject.org.
>
> If you plot the 'used bandwidth' divided by the 'advertised bandwidth'
> (meant to be a rough measure of network congestion), you get three distinct
> groups, seen here:
>
> http://dl.dropbox.com/u/3308162/three_groups.png
>  What happened on the dates 2013-10-09 and 2014-06-06 which could have
> resulted in these striking drops in network congestion?
>
> -V
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