From: Mikael Abrahamsson <swmike@swm.pp.se>
To: grenville armitage <garmitage@swin.edu.au>
Cc: "tsvwg@ietf.org" <tsvwg@ietf.org>,
aqm@ietf.org, bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] [aqm] [tsvwg] how much of a problem is buffer bloat today?
Date: Fri, 22 Mar 2013 14:23:56 +0100 (CET) [thread overview]
Message-ID: <alpine.DEB.2.00.1303221421180.2309@uplift.swm.pp.se> (raw)
In-Reply-To: <514BF37D.2080000@swin.edu.au>
On Fri, 22 Mar 2013, grenville armitage wrote:
>
>
> On 03/22/2013 15:27, Mikael Abrahamsson wrote:
> [..]
>> I am not aware of any such work going on, so I'd like to know if
>> anyone else is aware of work in this area?
>
> Of possible relevance, recent FreeBSDs have SIFTR -- a kernel resident
> module for collecting TCP state-machine stats (like cwnd, rtt estimator,
> etc) as packets arrive and depart.
>
> http://www.freebsd.org/cgi/man.cgi?query=siftr
This seems exactly like what I'm after.
On another note, is there software that can get mirrored traffic from
another host and do TCP analysis of flows when it comes to buffer bloat,
packet loss etc. If there was, I am in the position of running this
against a large number of customers over time and can present the results.
--
Mikael Abrahamsson email: swmike@swm.pp.se
next prev parent reply other threads:[~2013-03-22 13:23 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <51408BF4.7090304@cisco.com>
[not found] ` <8C48B86A895913448548E6D15DA7553B7D020F@xmb-rcd-x09.cisco.com>
2013-03-21 17:50 ` [Bloat] " Oliver Hohlfeld
2013-03-21 18:01 ` Jim Gettys
2013-03-21 18:14 ` Oliver Hohlfeld
2013-03-21 18:28 ` Jim Gettys
2013-03-21 18:36 ` Dave Taht
2013-03-21 19:08 ` Oliver Hohlfeld
2013-03-21 19:25 ` Mikael Abrahamsson
2013-03-21 20:05 ` Jim Gettys
2013-03-22 4:27 ` Mikael Abrahamsson
2013-03-22 6:00 ` [Bloat] [aqm] " grenville armitage
2013-03-22 13:23 ` Mikael Abrahamsson [this message]
2013-03-22 13:31 ` Dave Taht
2013-03-26 17:25 ` Mirja Kuehlewind
2013-03-26 17:49 ` [Bloat] [tsvwg] [aqm] " Scheffenegger, Richard
2013-03-26 20:02 ` Hagen Paul Pfeifer
2013-03-21 20:04 ` [Bloat] [tsvwg] " David Lang
2013-03-21 20:47 ` Oliver Hohlfeld
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