From: David Miller <davem@davemloft.net>
To: ycheng@google.com
Cc: netdev@vger.kernel.org, edumazet@google.com,
ncardwell@google.com, soheil@google.com
Subject: Re: [PATCH 0/2 net-next] tcp: do not use RTT from delayed ACKs for min-RTT
Date: Fri, 19 Jan 2018 15:39:49 -0500 (EST) [thread overview]
Message-ID: <20180119.153949.1637441627477895311.davem@davemloft.net> (raw)
In-Reply-To: <20180117201101.14137-1-ycheng@google.com>
From: Yuchung Cheng <ycheng@google.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.
prev parent reply other threads:[~2018-01-19 20:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-17 20:10 [PATCH 0/2 net-next] tcp: do not use RTT from delayed ACKs for min-RTT Yuchung Cheng
2018-01-17 20:11 ` [PATCH 1/2 net-next] tcp: avoid min-RTT overestimation from delayed ACKs Yuchung Cheng
2018-01-17 20:11 ` [PATCH 2/2 net-next] tcp: avoid min RTT bloat by skipping RTT from delayed-ACK in BBR Yuchung Cheng
2018-01-19 20:39 ` David Miller [this message]
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