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From: Sebastian Moeller <moeller0@gmx.de>
Date: Thu, 11 Jun 2015 13:57:47 +0200
To: Jesper Dangaard Brouer <brouer@redhat.com>
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Cc: Jonathan Morton <chromatix99@gmail.com>,
	bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] ADSL, ATM drivers, bloat, education & confusion
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Hi Jesper=2E

On June 11, 2015 1:24:34 PM GMT+02:00, Jesper Dangaard Brouer <brouer@redh=
at=2Ecom> wrote:
>
>On Sat, 6 Jun 2015 16:30:51 +0200 Sebastian Moeller <moeller0@gmx=2Ede>
>wrote:
>
>> On Jun 6, 2015, at 15:53 , Jonathan Morton <chromatix99@gmail=2Ecom>
>wrote:
>>=20
>> > You will need to set the overhead calculation correctly, probably
>> > using "pppoa-vcmux" or similar, depending on precisely what
>> > encapsulation your ISP uses=2E If you're not confident about that,
>> > specify "conservative" to begin with=2E
>>=20
>> 	I can be of help to measure the overhead empirically, if you
>> are willing to dedicate a few hours on an otherwise quiescent link to
>> gather some ICMP data, just let me know=2E
>
>It would be really cool if someone developed a (simple) tool that could
>probe (a quiescent) ADSL/ATM link, and report the encapsulation
>overhead (AFAIKR there are 12 different encap combi-types on ADSL)=2E


I sort of did, but it takes a relative long time to gather data (typically=
 around 3 hours) plus 15 minutes for the analysis=2E
I am happy to share this with interested parties=2E=2E=2E


Best Regards
        Sebastian

--=20
Sent from my Android device with K-9 Mail=2E Please excuse my brevity=2E