From: Lincoln Dale <ltd@cisco.com>
To: "David S. Miller" <davem@redhat.com>
Cc: jordy@napster.com, linux-kernel@vger.kernel.org, kuznet@ms2.inr.ac.ru
Subject: Re: Poor TCP Performance 2.4.0-10 <-> Win98 SE PPP
Date: Tue, 07 Nov 2000 14:43:46 -0800 [thread overview]
Message-ID: <4.3.2.7.2.20001107144236.02462f08@omega.cisco.com> (raw)
In-Reply-To: <200011070656.WAA02435@pizda.ninka.net>
In-Reply-To: <3A07A4B0.A7E9D62@napster.com> <3A07662F.39D711AE@napster.com> <200011070428.UAA01710@pizda.ninka.net> <3A079127.47B2B14C@napster.com> <200011070533.VAA02179@pizda.ninka.net> <3A079D83.2B46A8FD@napster.com> <200011070603.WAA02292@pizda.ninka.net> <3A07A4B0.A7E9D62@napster.com>
>23:36:16.261533 64.124.41.179.8888 > 209.179.194.175.1084: P 1:21(20) ack
>44 win 5840 (DF)
>23:36:16.261669 64.124.41.179.8888 > 209.179.194.175.1084: P 21:557(536)
>ack 44 win 5840 (DF)
>23:36:19.261055 64.124.41.179.8888 > 209.179.194.175.1084: P 1:21(20) ack
>44 win 5840 (DF)
>
>The equivalent packets from the win98 log:
>
>22:34:36.069773 64.124.41.179.8888 > 209.179.194.175.1084: P 1:19(18) ack
>44 win 5840 (DF)
>22:34:36.069837 64.124.41.179.8888 > 209.179.194.175.1084: P 19:553(534)
>ack 44 win 5840 (DF)
>22:34:39.049788 64.124.41.179.8888 > 209.179.194.175.1084: P 1:21(20) ack
>44 win 5840 (DF)
>
>(ie. Linux sends bytes 1:21 both the first time, and when it
> retransmits that data. However win98 "sees" this as 1:19 the first
> time and 1:21 during the retransmit by Linux)
this excerpt looks like when a modem is set to eat XON/XOFF ...
a ping which does a sweep of many byte values should show this up ...
cheers,
lincoln.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/
next prev parent reply other threads:[~2000-11-07 22:46 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-07 6:13 Jordan Mendelson
2000-11-07 2:17 ` Jordan Mendelson
2000-11-07 4:28 ` David S. Miller
2000-11-07 5:20 ` Jordan Mendelson
2000-11-07 5:33 ` David S. Miller
2000-11-07 6:03 ` David S. Miller
2000-11-07 6:44 ` Jordan Mendelson
2000-11-07 6:56 ` David S. Miller
2000-11-07 7:12 ` David S. Miller
2000-11-07 7:27 ` David S. Miller
2000-11-07 9:41 ` Andi Kleen
2000-11-07 9:57 ` David S. Miller
2000-11-07 7:32 ` Jordan Mendelson
2000-11-07 12:22 ` Alan Cox
2000-11-07 12:10 ` David S. Miller
2000-11-07 7:16 ` Jordan Mendelson
2000-11-07 9:42 ` Andi Kleen
2000-11-07 18:13 ` Jordan Mendelson
2000-11-07 9:38 ` Rogier Wolff
2000-11-07 9:58 ` David S. Miller
2000-11-07 10:36 ` Rogier Wolff
2000-11-07 6:59 ` David S. Miller
2000-11-07 7:14 ` David S. Miller
2000-11-07 7:16 ` Andi Kleen
2000-11-07 7:03 ` Andi Kleen
2000-11-07 22:43 ` Lincoln Dale [this message]
2000-11-07 9:35 ` Rogier Wolff
2000-11-07 10:00 ` David S. Miller
[not found] <3A076701.F437F88B@napster.com>
2000-11-07 3:44 ` Jordan Mendelson
2000-11-07 4:29 ` David S. Miller
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=4.3.2.7.2.20001107144236.02462f08@omega.cisco.com \
--to=ltd@cisco.com \
--cc=davem@redhat.com \
--cc=jordy@napster.com \
--cc=kuznet@ms2.inr.ac.ru \
--cc=linux-kernel@vger.kernel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®