From: Rick Jones <rick.jones2@hp.com>
To: David Miller <davem@davemloft.net>
Cc: shemminger@osdl.org, alex@sectorb.msk.ru, netdev@vger.kernel.org
Subject: Re: high latency with TCP connections
Date: Wed, 30 Aug 2006 16:00:42 -0700 [thread overview]
Message-ID: <44F6189A.7000703@hp.com> (raw)
In-Reply-To: <20060830.143955.55510936.davem@davemloft.net>
David Miller wrote:
> From: Stephen Hemminger <shemminger@osdl.org>
> Date: Wed, 30 Aug 2006 10:27:27 -0700
>
>
>>Linux TCP implements "Appropriate Byte Count" (ABC) and this penalizes
>>applications that do small sends. The problem is that the other side
>>may be delaying acknowledgments. If receiver doesn't acknowledge the
>>sender will limit itself to the congestion window. If the flow is light,
>>then you will be limited to 4 packets.
>
>
> Right.
>
> However it occured to me the other day that ABC could be made smarter.
> If we sent small frames, ABC should account for that.
Is that part of the application of a byte-based RFC to packet-counting cwnd?
rick jones
next prev parent reply other threads:[~2006-08-30 23:00 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 [this message]
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
[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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=44F6189A.7000703@hp.com \
--to=rick.jones2@hp.com \
--cc=alex@sectorb.msk.ru \
--cc=davem@davemloft.net \
--cc=netdev@vger.kernel.org \
--cc=shemminger@osdl.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.