From: Eric Dumazet <eric.dumazet@gmail.com>
To: Jerry Chu <hkchu@google.com>
Cc: David Miller <davem@davemloft.net>,
Hagen Paul Pfeifer <hagen@jauu.net>,
tsunanet@gmail.com,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [PATCH] RFC2988bis + taking RTT sample from 3WHS for the passive open side
Date: Wed, 08 Jun 2011 23:03:25 +0200 [thread overview]
Message-ID: <1307567005.3980.1.camel@edumazet-laptop> (raw)
In-Reply-To: <BANLkTimXgK03tM1e3FYe+wausHT15W6H-2eMNCWaj8LLxRvbZw@mail.gmail.com>
Le mercredi 08 juin 2011 à 11:04 -0700, Jerry Chu a écrit :
> [resent to cc netdev]
>
Well, the first copy I received this morning was OK ;)
But this second one is mangled by your mailer or something ?
> This patch lowers the default initRTO from 3secs to 1sec per
> RFC2988bis. It falls back to 3secs if the SYN or SYN-ACK packet
> has been retransmitted, AND the TCP timestamp option is not on.
>
> It also adds support to take RTT sample during 3WHS on the passive
> open side, just like its active open counterpart, and uses it, if
> valid, to seed the initRTO for the data transmission phase.
>
> The patch also resets ssthresh to its initial default at the
> beginning of the data transmission phase, and reduces cwnd to 1 if
> there has been MORE THAN ONE retransmission during 3WHS per RFC5681.
>
> Signed-off-by: H.K. Jerry Chu <hkchu@google.com>
> ---
next prev parent reply other threads:[~2011-06-08 21:03 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1307509203-30973-1-git-send-email-hkchu@google.com>
[not found] ` <1307550654.3057.70.camel@edumazet-laptop>
2011-06-08 17:04 ` [PATCH] RFC2988bis + taking RTT sample from 3WHS for the passive open side Jerry Chu
2011-06-08 22:26 ` Jerry Chu
2011-06-08 23:39 ` Eric Dumazet
2011-06-08 23:44 ` David Miller
2011-06-08 23:57 ` Rick Jones
2011-06-08 23:59 ` David Miller
2011-06-09 3:39 ` Jerry Chu
2011-06-08 18:04 ` Jerry Chu
2011-06-08 20:54 ` Yuchung Cheng
2011-06-08 22:13 ` David Miller
2011-06-08 21:03 ` Eric Dumazet [this message]
2011-06-08 21:16 ` Hagen Paul Pfeifer
2011-06-08 22:06 ` Jerry Chu
2011-06-08 21:08 H.K. Jerry Chu
2011-06-09 0:06 ` David Miller
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