From: Jan Ceuleers <jan.ceuleers@gmail.com>
To: bloat@lists.bufferbloat.net
Subject: Re: [Bloat] Graph of bloat
Date: Wed, 08 Jul 2015 18:11:54 +0200 [thread overview]
Message-ID: <559D4BCA.5040907@gmail.com> (raw)
In-Reply-To: <CAA93jw6jvDPBLhhjKZW-+0RDyRfZfDg_2deQdEe5F-BHiSKi8A@mail.gmail.com>
On 08/07/15 17:55, Dave Taht wrote:
> That is a very interesting graph! Does ntp adjust system time backward
> based on getting nearly all it's samples with well over a 1/2 second
> of induced delay?
If there is a consistent asymmetrical delay then yes.
If the delay asymmetry is not persistent (but only occurs during up or
downloads) then the so-called huff-n-puff filter can be used to factor
it out.
https://www.eecis.udel.edu/~mills/ntp/html/huffpuff.html
Jan
next prev parent reply other threads:[~2015-07-08 16:14 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-08 10:23 Hal Murray
2015-07-08 15:55 ` Dave Taht
2015-07-08 16:11 ` Jan Ceuleers [this message]
2015-07-08 16:29 ` Jan Ceuleers
2015-07-08 19:09 ` Alan Jenkins
2015-07-08 16:32 ` Dave Taht
2015-07-09 10:08 ` Jan Ceuleers
2015-07-08 17:53 ` Rich Brown
2015-07-09 10:07 ` Hal Murray
2015-07-09 10:55 ` Sebastian Moeller
2015-07-09 18:27 ` Hal Murray
2015-07-09 15:08 ` Dave Taht
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