Re: [PATCH net-next v2] tcp: Ensure DCTCP reacts to losses

[David Miller]

From: "Tilmans, Olivier (Nokia - BE/Antwerp)" <olivier.tilmans@xxxxxxxxxxxxxxxxxxx>
Date: Thu, 4 Apr 2019 12:24:02 +0000

> RFC8257 §3.5 explicitly states that "A DCTCP sender MUST react to
> loss episodes in the same way as conventional TCP".
...
> This patch replace the clamping of alpha by setting ssthresh to
> half of cwnd for both fast retransmissions and RTOs, at most once
> per RTT. Consequently, the dctcp_clamp_alpha_on_loss module parameter
> has been removed.

Applied to 'net' and queued up for -stable, thanks.