From: Mikael Abrahamsson <swmike@swm.pp.se>
To: Aaron Wood <woody77@gmail.com>
Cc: Dave Taht <dave.taht@gmail.com>, bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] first bufferbloat free cablemodem?
Date: Mon, 8 Oct 2018 05:36:38 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.20.1810080534100.4550@uplift.swm.pp.se> (raw)
In-Reply-To: <CALQXh-OipLJEfJvQtevCF7mszMzJUoXdy-HXQNZUH19QXVp=3w@mail.gmail.com>
On Sun, 7 Oct 2018, Aaron Wood wrote:
> Maybe he's on a DOCSIS 3.1 headend that's also using pie? Pie doesn't need
> to know the outbound rate, correct? as it's meant to be driven by the
> RTS/CTS type behavior that the upstream traffic on cable has (the correct
> terms for cable aren't coming to mind at the moment).
Correct, PIE acts on the queue just like CODEL. From what I can tell, PIE
is a queue discipline that can be implemented on hardware that supports
WRED (which most can) with the help of extra software and some CPU cycles
to tune it over time. That's why HW manufacturers like PIE.
--
Mikael Abrahamsson email: swmike@swm.pp.se
prev parent reply other threads:[~2018-10-08 3:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-06 3:14 Dave Taht
2018-10-06 8:10 ` Jan Ceuleers
2018-10-06 15:41 ` Benjamin Cronce
2018-10-06 16:07 ` Dave Taht
2018-10-07 18:14 ` Aaron Wood
2018-10-08 3:36 ` Mikael Abrahamsson [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://lists.bufferbloat.net/postorius/lists/bloat.lists.bufferbloat.net/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=alpine.DEB.2.20.1810080534100.4550@uplift.swm.pp.se \
--to=swmike@swm.pp.se \
--cc=bloat@lists.bufferbloat.net \
--cc=dave.taht@gmail.com \
--cc=woody77@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox