Discussion of explicit congestion notification's impact on the Internet
 help / color / mirror / Atom feed
From: Jonathan Morton <chromatix99@gmail.com>
To: Dave Taht <dave.taht@gmail.com>
Cc: Ryan Mounce <ryan@mounce.com.au>,
	ECN-Sane <ecn-sane@lists.bufferbloat.net>
Subject: Re: [Ecn-sane] osx ecn
Date: Thu, 29 Aug 2019 11:08:15 +0300	[thread overview]
Message-ID: <07E26A9D-56E8-4436-9D20-29732C12418D@gmail.com> (raw)
In-Reply-To: <CAA93jw7aegs3dat+QKoQ2=-MfzBRg2HtpKORBGpncdKb+hLXLw@mail.gmail.com>

> On 29 Aug, 2019, at 2:45 am, Dave Taht <dave.taht@gmail.com> wrote:
> 
> I'm a little puzzled over the cwr/ece ratio?
> 
> 25 times received congestion experienced (CE) notification

This is at the IP layer, on received data.

> 619 times sent ECE notification

This is at the TCP layer, acking received data.  (ECE is sticky until CWR, so the ratio of the above is related to the average cwnd at congestion onset.)

> 37 times CWR was sent in response to ECE

This is at the TCP layer, on *sent* data, and therefore independent of the other two.

 - Jonathan Morton


  parent reply	other threads:[~2019-08-29  8:08 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-27  2:03 Dave Taht
2019-08-27  6:47 ` Mikael Abrahamsson
2019-08-27  6:54   ` Michael Welzl
2019-08-27  7:02     ` Mikael Abrahamsson
2019-08-27 18:20       ` Dave Taht
2019-08-27 18:36     ` Dave Taht
2019-08-27 19:00       ` Michael Welzl
2019-08-28 23:29         ` Ryan Mounce
2019-08-28 23:45           ` Dave Taht
2019-08-29  0:55             ` Dave Taht
2019-08-29  3:28               ` Mikael Abrahamsson
2019-08-29  4:43                 ` Dave Taht
2019-08-29 10:30                   ` Mikael Abrahamsson
2019-08-29  8:08             ` Jonathan Morton [this message]
2019-08-29 10:39             ` Ryan Mounce
2019-08-27  6:58 ` Sebastian Moeller
2019-08-27  7:05   ` Jonathan Morton
2019-08-27  7:52     ` Sebastian Moeller

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/ecn-sane.lists.bufferbloat.net/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=07E26A9D-56E8-4436-9D20-29732C12418D@gmail.com \
    --to=chromatix99@gmail.com \
    --cc=dave.taht@gmail.com \
    --cc=ecn-sane@lists.bufferbloat.net \
    --cc=ryan@mounce.com.au \
    /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