Discussion of explicit congestion notification's impact on the Internet
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From: Pete Heist <pete@heistp.net>
To: Dave Taht <dave.taht@gmail.com>
Cc: ecn-sane@lists.bufferbloat.net
Subject: Re: [Ecn-sane] cwnd/2 - 1
Date: Mon, 10 Sep 2018 13:26:09 +0200	[thread overview]
Message-ID: <75B61AF1-9E76-4B4C-BF54-A923D7A6918B@heistp.net> (raw)
In-Reply-To: <CAA93jw7-Oqs9p6MrLgk7Q0KcOVwM4EqrvFk_S7ox=gDOCt8eXQ@mail.gmail.com>


> On Sep 7, 2018, at 9:18 AM, Dave Taht <dave.taht@gmail.com> wrote:
> 
> One of the things that went by in recent kernel changes was that
> linux tcp at a cwnd 2 on a CE goes into quickack mode, so that we
> get back one ack per packet (I think, from reading the commit) instead of
> every other one.

For my understanding, when does tcp return to delayed ack mode, once cwnd increases again?


      reply	other threads:[~2018-09-10 11:26 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-07  7:18 Dave Taht
2018-09-10 11:26 ` Pete Heist [this message]

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