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From: Pete Heist <pete@heistp.net>
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To: Dave Taht <dave.taht@gmail.com>
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Subject: Re: [Ecn-sane] cwnd/2 - 1
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> On Sep 7, 2018, at 9:18 AM, Dave Taht <dave.taht@gmail.com> wrote:
>=20
> 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?