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From: Jonathan Morton <chromatix99@gmail.com>
To: Dave Taht <dave.taht@gmail.com>
Cc: jb <justin@dslr.net>, bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] grading bloat better
Date: Thu, 13 Oct 2016 07:37:58 +0300	[thread overview]
Message-ID: <28B61FA2-78D8-4B1C-B701-2F25A4E30FE7@gmail.com> (raw)
In-Reply-To: <CAA93jw65B-v_dA5n2H1ZXya5jZnLNouPAhWh+-FAC+8R_kVbWw@mail.gmail.com>


> On 13 Oct, 2016, at 06:22, Dave Taht <dave.taht@gmail.com> wrote:
> 
> I still might quibble, but a trimmed mean makes more sense than just a mean.
> 
> Problem I always have is bloat is biased always towards the end of a test. Here,
> at 1gbit, it took nearly 20 seconds to start going boom. Maybe we need
> to invent a new distribution (The bloat distribution? The TCP
> distribution)...

Perhaps the 90th percentile would be relevant - the median is simply the 50th percentile.  Taking the 90th avoids counting true flukes, but also captures the idea that intermittently high latency is in fact noticeable.

 - Jonathan Morton


  reply	other threads:[~2016-10-13  4:38 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-12 12:16 Dave Taht
2016-10-13  0:39 ` jb
2016-10-13  0:46   ` jb
2016-10-13  0:57     ` jb
2016-10-13  3:22       ` Dave Taht
2016-10-13  4:37         ` Jonathan Morton [this message]
2016-10-14 22:48         ` jb
2016-10-15  4:39           ` Dave Taht
2016-10-15  5:35           ` Jonathan Morton

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