From: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
To: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: David Miller <davem@davemloft.net>,
shemminger@osdl.org, alex@sectorb.msk.ru, netdev@vger.kernel.org
Subject: Re: high latency with TCP connections
Date: Fri, 1 Sep 2006 15:00:38 +0400 [thread overview]
Message-ID: <20060901110038.GA3651@2ka.mipt.ru> (raw)
In-Reply-To: <20060901094715.GB13855@ms2.inr.ac.ru>
On Fri, Sep 01, 2006 at 01:47:15PM +0400, Alexey Kuznetsov (kuznet@ms2.inr.ac.ru) wrote:
> Hello!
>
> > problem. The problem is really at the receiver because we only
> > ACK every other full sized frame. I had the idea to ACK every 2
> > frames, regardless of size,
>
> This would solve lots of problems.
At least for slow start it is safe, but experiments with atcp for
netchannels showed that it is better not to send excessive number of
acks when slow start is over, instead we can introduce some tricky
ack avoidance scheme and ack at least 2-3-4 packets or full MSS instead
of two mss-sized frames.
> Alexey
--
Evgeniy Polyakov
next prev parent reply other threads:[~2006-09-01 11:01 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-30 10:07 high latency with TCP connections Alexander Vodomerov
2006-08-30 17:27 ` Stephen Hemminger
2006-08-30 21:39 ` David Miller
2006-08-30 22:04 ` Stephen Hemminger
2006-08-30 23:00 ` Rick Jones
2006-08-31 8:14 ` Alexander Vodomerov
2006-08-31 15:44 ` Sridhar Samudrala
2006-08-31 18:22 ` Kelly Burkhart
2006-08-31 19:40 ` Rick Jones
2006-08-31 21:08 ` Ian McDonald
2006-08-31 21:46 ` Alexey Kuznetsov
2006-08-31 22:14 ` Stephen Hemminger
2006-08-31 22:44 ` David Miller
2006-08-31 23:29 ` Alexey Kuznetsov
2006-08-31 23:57 ` David Miller
2006-09-01 3:23 ` Stephen Hemminger
2006-09-01 3:39 ` Ian McDonald
2006-09-01 6:23 ` David Miller
2006-09-01 9:44 ` Pekka Savola
2006-09-01 9:49 ` David Miller
2006-09-01 9:47 ` Alexey Kuznetsov
2006-09-01 11:00 ` Evgeniy Polyakov [this message]
[not found] ` <20060901090046.69b3d583@localhost.localdomain>
2006-09-01 20:55 ` [PATCH] tcp: turn ABC off Stephen Hemminger
2006-09-02 7:22 ` Evgeniy Polyakov
2006-09-02 8:10 ` Herbert Xu
2006-09-04 9:10 ` high latency with TCP connections Alexey Kuznetsov
2006-09-04 16:00 ` [PATCH][RFC] " Alexey Kuznetsov
2006-09-05 17:55 ` Rick Jones
2006-09-05 22:13 ` Alexey Kuznetsov
2006-09-18 7:39 ` David Miller
2006-09-18 17:11 ` Rick Jones
2006-09-18 20:41 ` Alexey Kuznetsov
2006-09-18 21:24 ` Rick Jones
2006-09-18 22:51 ` Alexey Kuznetsov
2006-09-19 0:37 ` Rick Jones
2006-09-22 13:46 ` Alexey Kuznetsov
2006-09-22 17:15 ` Rick Jones
2006-09-18 7:31 ` David Miller
2006-09-18 10:37 ` Alexey Kuznetsov
2006-09-18 13:56 ` David Miller
2006-09-20 22:44 ` Stephen Hemminger
2006-09-20 22:47 ` David Miller
2006-09-20 22:55 ` Stephen Hemminger
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