From: Matthieu Baerts <matttbe@kernel.org>
To: Shardul Bankar <shardul.b@mpiricsoftware.com>, mptcp@lists.linux.dev
Cc: Janak Patel <janak@mpiric.us>,
Kalpan Jani <kalpan.jani@mpiricsoftware.com>,
Shardul Bankar <shardulsb08@gmail.com>
Subject: Re: [PATCH RFC mptcp-next v2 0/4] mptcp: sched: penalise a slow subflow
Date: Sun, 16 Aug 2026 16:15:14 +0200 [thread overview]
Message-ID: <bf0fd380-8b2f-479c-a00d-02827986459f@kernel.org> (raw)
In-Reply-To: <20260815-mptcp_penalise_send_v2-v2-0-3e5049a73681@mpiricsoftware.com>
Hi Shardul,
On 15/08/2026 16:40, Shardul Bankar wrote:
> A subflow that is slow relative to the others can soak up connection
> resources and head-of-line-block the aggregate stream. This series lets the
> packet scheduler send less than such a subflow's congestion window by halving
> it, and leaves the congestion control to grow it back. It implements
> issue #345 [1]. This is a deliberately simple first form; please treat it
> as an RFC.
Thank you for this v2. I didn't check in details, but I *think* this
simple first form is acceptable, and you can remove the RFC.
It looks like Sashiko didn't manage to validate it for some unclear
reasons [1]. Do you mind resending it (without the RFC), please?
[1]
https://sashiko.dev/#/patchset/20260815-mptcp_penalise_send_v2-v2-0-3e5049a73681%40mpiricsoftware.com
Cheers,
Matt
--
Sponsored by the NGI0 Core fund.
prev parent reply other threads:[~2026-08-16 14:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-15 14:40 [PATCH RFC mptcp-next v2 0/4] mptcp: sched: penalise a slow subflow Shardul Bankar
2026-08-15 14:40 ` [PATCH RFC mptcp-next v2 1/4] mptcp: sched: avoid truncating the pacing rate in the scheduler Shardul Bankar
2026-08-15 14:40 ` [PATCH RFC mptcp-next v2 2/4] mptcp: sched: penalise a slow subflow by halving its cwnd Shardul Bankar
2026-08-15 14:40 ` [PATCH RFC mptcp-next v2 3/4] mptcp: sched: do not penalise when receive-window-limited Shardul Bankar
2026-08-15 14:40 ` [PATCH RFC mptcp-next v2 4/4] mptcp: sched: add penalise counters and tracepoint Shardul Bankar
2026-08-15 15:51 ` [PATCH RFC mptcp-next v2 0/4] mptcp: sched: penalise a slow subflow MPTCP CI
2026-08-16 14:15 ` Matthieu Baerts [this message]
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