No D3.1 hardware is certified at this point, the chipsets are just = barely out and still experimental. Customers probably won=E2=80=99t see = D31 hardware before 2016.=20 Btw, in my experience, modems and CMTSes have no AQM at all configured. = And the buffers are large, in both directions. The more recent the = model, the more buffer it usually has (hey, more speed requires more = buffer, right?). I=E2=80=99ve seen multiple Mb in some models, can=E2=80=99= t remember the exact amount, but it might have been 2-4 Mb for my = current TM702. So the worst case is actually to have a very recent modem = with a lower-tier speed (like a 10 Mbps).=20 JF --Apple-Mail=_543543C4-479E-4535-9A20-586060077837 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8

On Mar 18, 2015, at 2:26 AM, Jonathan Morton <chromatix99@gmail.com> wrote:

DOCSIS 3.1 mandates support for AQM (at minimum the PIE = algorithm) in both CPE and head end. If you can get hold of a D3.1 modem = [=E2=80=A6].

That last part might involve = robbing the house of a Comcast employee... ;)

http://www.lightreading.com/cable/docsis/comcast-puts-docsis-31= -live-in-the-field/d/d-id/714494

No D3.1 hardware is certified at this point, the = chipsets are just barely out and still experimental. Customers probably = won=E2=80=99t see D31 hardware before 2016.

Btw, in my experience, modems and CMTSes have no = AQM at all configured. And the buffers are large, in both directions. = The more recent the model, the more buffer it usually has (hey, more = speed requires more buffer, right?). I=E2=80=99ve seen multiple Mb in = some models, can=E2=80=99t remember the exact amount, but it might have = been 2-4 Mb for my current TM702. So the worst case is actually to have = a very recent modem with a lower-tier speed (like a 10 = Mbps).

= --Apple-Mail=_543543C4-479E-4535-9A20-586060077837--