From: "Jerry Jongerius" <jerryj@duckware.com>
To: "'Jonathan Morton'" <chromatix99@gmail.com>
Cc: bloat@lists.bufferbloat.net
Subject: Re: [Bloat] The Dark Problem with AQM in the Internet?
Date: Fri, 29 Aug 2014 10:21:47 -0400 [thread overview]
Message-ID: <001e01cfc394$93ca5280$bb5ef780$@duckware.com> (raw)
In-Reply-To: <CAJq5cE1Hoqwvz45Ew04QmcdwL3XN-QWgUBTJYNYp6cA-QJX1SQ@mail.gmail.com>
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A ‘boost’ has never been seen. Bandwidth graphs where there is no packet loss look like:
From: Jonathan Morton [mailto:chromatix99@gmail.com]
Sent: Thursday, August 28, 2014 2:15 PM
To: Jerry Jongerius
Cc: bloat
Subject: RE: [Bloat] The Dark Problem with AQM in the Internet?
If it is genuinely a single packet, then I have an alternate theory.
I note from http://www.dslreports.com/faq/14520 that PowerBoost works on the first 20MB of a download. At 100Mbps or so, that's about 2 seconds. So that's quite convincing evidence that your packet loss is happening at the moment PowerBoost switches off.
It might be that the switching process takes long enough to drop one packet. Or it might be that Comcast deliberately drop one packet in order to signal the change in bandwidth to the sender. Clever, if mildly distasteful.
- Jonathan Morton
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next prev parent reply other threads:[~2014-08-29 14:21 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-23 18:16 Jerry Jongerius
2014-08-23 19:30 ` Jonathan Morton
2014-08-23 20:01 ` Sebastian Moeller
2014-08-25 17:13 ` Greg White
2014-08-25 18:09 ` Jim Gettys
2014-08-25 19:12 ` Sebastian Moeller
2014-08-25 21:17 ` Bill Ver Steeg (versteb)
2014-08-25 21:20 ` Bill Ver Steeg (versteb)
2014-08-28 13:19 ` Jerry Jongerius
2014-08-28 14:07 ` Jonathan Morton
2014-08-28 17:20 ` Jerry Jongerius
2014-08-28 17:41 ` Dave Taht
2014-08-28 18:15 ` Jonathan Morton
2014-08-29 14:21 ` Jerry Jongerius [this message]
2014-08-29 16:31 ` Jonathan Morton
2014-08-29 16:54 ` Jerry Jongerius
2014-08-28 18:59 ` Sebastian Moeller
2014-08-29 11:33 ` Jerry Jongerius
2014-08-29 12:18 ` Sebastian Moeller
2014-08-29 14:42 ` Dave Taht
2014-08-29 1:59 ` David Lang
2014-08-29 14:37 ` Jerry Jongerius
2014-08-30 6:05 ` Jonathan Morton
2014-08-30 6:28 ` Stephen Hemminger
2014-08-30 6:45 ` Jonathan Morton
2014-09-01 17:30 ` Jerry Jongerius
2014-09-01 17:40 ` Dave Taht
2014-08-28 14:39 ` Rich Brown
2014-08-28 16:20 ` Jerry Jongerius
2014-08-28 16:35 ` Fred Baker (fred)
2014-08-28 18:00 ` Jan Ceuleers
2014-08-28 18:13 ` Dave Taht
2014-08-29 1:57 ` David Lang
2014-08-28 18:41 ` Kenyon Ralph
2014-08-28 19:04 ` Dave Taht
2014-08-28 16:36 ` Greg White
2014-08-28 16:52 ` Bill Ver Steeg (versteb)
2014-09-01 11:47 ` Richard Scheffenegger
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