netdev - Re: [PATCH 0/2 net-next] tcp: do not use RTT from delayed ACKs for min-RTT

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Message-Id: <20180119.153949.1637441627477895311.davem@davemloft.net>
Date:   Fri, 19 Jan 2018 15:39:49 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     ycheng@...gle.com
Cc:     netdev@...r.kernel.org, edumazet@...gle.com, ncardwell@...gle.com,
        soheil@...gle.com
Subject: Re: [PATCH 0/2 net-next] tcp: do not use RTT from delayed ACKs for
 min-RTT

From: Yuchung Cheng <ycheng@...gle.com>
Date: Wed, 17 Jan 2018 12:10:59 -0800

> This patch set prevents TCP sender from using RTT samples from
> (suspected) delayed ACKs as the minimum RTT, to avoid unbounded
> over-estimation of the network path delay. This issue is common
> when a connection has extended periods of one packet chit-chat
> beyond the min RTT filter window. The first patch does that for TCP
> general min RTT estimation. The second patch addresses specifically
> the BBR congestion control's min RTT filter.

Series applied, thank you.