From: Eric Dumazet <eric.dumazet@gmail.com>
To: LovelyLich <lovelylich@gmail.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: How does SACK or FACK determine the time to start fast retransmition?
Date: Thu, 21 Jun 2012 07:59:02 +0200 [thread overview]
Message-ID: <1340258342.4604.3983.camel@edumazet-glaptop> (raw)
In-Reply-To: <CAAA3+BpRQ24HED6a+yCF+A_q=vJ7nHexLJd1U+-50pb43MVa5w@mail.gmail.com>
On Wed, 2012-06-20 at 22:31 +0800, LovelyLich wrote:
> HI all,
> When tcp uses reno as its congestion control algothim, it uses
> tp->sacked_out as dup-ack. When the third dup-ack(under default
> condition) comes, tcp will initiate its fast retransmition.
> But how about sack ?
Some tcp experts out there only catch tcp related stuff if Subject
includes TCP.
You might resend your mail on netdev (not sure lkml will really help)
with following subject :
[RFC] tcp: How does SACK or FACK determine the time to start fast
retransmission?
To get more traction.
next prev parent reply other threads:[~2012-06-21 5:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-20 14:31 How does SACK or FACK determine the time to start fast retransmition? LovelyLich
2012-06-21 5:59 ` Eric Dumazet [this message]
2012-06-21 6:33 ` [RFC] tcp: " 李易
2012-06-21 7:20 ` Li Yu
2012-06-21 8:42 ` Vijay Subramanian
2012-06-21 10:17 ` 李易
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