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From: Neal Cardwell <ncardwell@google.com>
Date: Wed, 15 May 2019 09:53:12 -0400
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To: Colin Dearborn <Colin.Dearborn@sjrb.ca>
Cc: Sebastian Moeller <moeller0@gmx.de>, bloat <bloat@lists.bufferbloat.net>
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Subject: Re: [Bloat] DOCSIS cable modems that support PIE?
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*From: *Colin Dearborn <Colin.Dearborn@sjrb.ca>
*Date: *Mon, May 13, 2019 at 11:49 AM
*To: *Sebastian Moeller, Neal Cardwell
*Cc: *bloat

CM AQM was added as an optional feature in DOCSIS 3.0. I don't know of any
> 3.0 modems where this was actually implemented though.
> This feature requires no support from the CMTS/CCAP chassis, so as long as
> the modem supports it, it will work, regardless of the supported DOCSIS
> version of the CMTS.
>
> I have verified AQM working with the Arris CM8200A, the Technicolor
> TC4400, the Hitron CODA-46 and the Hitron CODA-4582. AQM is on by default
> on these modems, so unless the ISP is intentionally turning it off, it'll
> be there.
>

Great! Thank you for those details.

neal

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<div dir=3D"ltr"><div dir=3D"ltr"><strong>From: </strong>Colin Dearborn <sp=
an dir=3D"ltr">&lt;<a href=3D"mailto:Colin.Dearborn@sjrb.ca">Colin.Dearborn=
@sjrb.ca</a>&gt;</span><br></div><div class=3D"gmail_quote"><div dir=3D"ltr=
" class=3D"gmail_attr"><strong>Date: </strong>Mon, May 13, 2019 at 11:49 AM=
<br><strong>To: </strong>Sebastian Moeller, Neal Cardwell<br><strong>Cc: </=
strong>bloat<br><br></div><blockquote class=3D"gmail_quote" style=3D"margin=
:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"=
>CM AQM was added as an optional feature in DOCSIS 3.0. I don&#39;t know of=
 any 3.0 modems where this was actually implemented though.<br>
This feature requires no support from the CMTS/CCAP chassis, so as long as =
the modem supports it, it will work, regardless of the supported DOCSIS ver=
sion of the CMTS.<br>
<br>
I have verified AQM working with the Arris CM8200A, the Technicolor TC4400,=
 the Hitron CODA-46 and the Hitron CODA-4582. AQM is on by default on these=
 modems, so unless the ISP is intentionally turning it off, it&#39;ll be th=
ere.<br></blockquote><div><br></div><div>Great! Thank you for those details=
.</div><div><br></div><div>neal</div><div><br></div></div></div>

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