From: Florian Weimer <fw@deneb.enyo.de>
To: Henning Schmiedehausen <hps@intermeta.de>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: bandwidth for bkbits.net (good news)
Date: Fri, 05 Sep 2003 17:50:04 +0200 [thread overview]
Message-ID: <871xuvqloz.fsf@deneb.enyo.de> (raw)
In-Reply-To: <1062776157.20632.1697.camel@forge.intermeta.de> (Henning Schmiedehausen's message of "05 Sep 2003 17:35:57 +0200")
Henning Schmiedehausen <hps@intermeta.de> writes:
>> Yes, I snipped the DoS context, and your approach would work in a
>> benign environment. 8-)
>
> 225kpps * 64 Bytes (minimum packet len) = 13,7 MBytes / sec
>
> 100 MBit / 8 bit = 12,5 MBytes / sec
>
> So, IMHO even with a small packet saturated 100 MBit link you won't
> reach 225kpps. AFAIK this was Ciscos intention to publish this number.
> It basically says "you will have filled your link before you fill our
> router".
Cisco sells Gigabit Ethernet linecards for this router, and the
situation is quite different in this case. And with most attacks,
it's a futile exercise to try to combat them on a Fast Ethernet link,
anyway. 8-(
> But I'm pretty sure that a C37xx would handle full 100 MBit traffic to a
> busy website without any problems. In fact, I know that it does. ;-) (We
> did switch to a C12000 shortly after, mainly because we went Gigabit).
Of course it does. After all, web traffic is somewhat different from
pure DoS traffic. 8-)
next prev parent reply other threads:[~2003-09-05 15:50 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <q2SH.AA.3@gated-at.bofh.it>
[not found] ` <qfwI.15D.27@gated-at.bofh.it>
[not found] ` <qgCn.2y4.11@gated-at.bofh.it>
2003-08-30 22:58 ` bandwidth for bkbits.net (good news) Pascal Schmidt
2003-08-30 23:07 ` Larry McVoy
2003-08-31 1:05 ` Pascal Schmidt
2003-08-31 1:39 ` Andrea Arcangeli
2003-08-31 2:18 ` Jeff Sipek
2003-08-31 2:42 ` Andrea Arcangeli
2003-08-31 2:56 ` Larry McVoy
2003-08-31 13:15 ` Alan Cox
2003-08-31 14:45 ` Andrea Arcangeli
2003-08-31 15:31 ` Alan Cox
2003-08-31 15:43 ` Jörn Engel
2003-08-31 15:50 ` Andrea Arcangeli
2003-08-31 17:06 ` Florian Weimer
2003-08-31 21:21 ` Larry McVoy
2003-09-02 7:06 ` Henning P. Schmiedehausen
2003-09-05 8:10 ` Florian Weimer
2003-09-05 15:35 ` Henning Schmiedehausen
2003-09-05 15:50 ` Florian Weimer [this message]
2003-09-05 16:10 ` P
2003-09-05 16:43 ` Ricky Beam
2003-09-07 11:55 ` Henning Schmiedehausen
2003-09-07 18:41 ` Ricky Beam
2003-09-08 8:57 ` [COMPLETELY OFF-TOPIC] " Henning Schmiedehausen
2003-09-02 21:52 ` Ricky Beam
2003-09-05 8:16 ` Florian Weimer
2003-08-31 15:44 ` Andrea Arcangeli
2003-08-31 16:22 ` Larry McVoy
2003-08-31 16:33 ` Andrea Arcangeli
2003-08-31 16:48 ` Larry McVoy
2003-08-31 17:06 ` Andrea Arcangeli
2003-08-31 21:18 ` Larry McVoy
2003-08-31 22:49 ` Andrea Arcangeli
2003-08-31 22:52 ` Alan Cox
2003-08-31 22:58 ` Larry McVoy
2003-08-31 23:02 ` Andrea Arcangeli
2003-08-31 23:07 ` Larry McVoy
2003-08-31 23:22 ` Andrea Arcangeli
2003-09-01 0:12 ` Larry McVoy
2003-09-01 0:19 ` Jamie Lokier
2003-09-01 0:33 ` Larry McVoy
2003-09-01 11:43 ` Alan Cox
2003-09-01 16:13 ` Andrea Arcangeli
2003-09-01 16:24 ` Larry McVoy
2003-09-01 16:28 ` Alan Cox
2003-09-01 16:38 ` Andrea Arcangeli
2003-08-31 23:39 ` Roman Zippel
2003-09-01 0:09 ` Larry McVoy
2003-09-01 0:20 ` Larry McVoy
2003-08-31 22:56 ` Larry McVoy
2003-08-31 23:13 ` Andrea Arcangeli
2003-09-01 0:18 ` Jamie Lokier
2003-09-01 0:25 ` Larry McVoy
2003-09-01 0:28 ` Andrea Arcangeli
2003-09-01 0:50 ` Jamie Lokier
2003-09-01 1:10 ` Andrea Arcangeli
2003-09-01 1:33 ` Larry McVoy
2003-09-02 7:11 ` Henning P. Schmiedehausen
2003-09-02 7:01 ` Henning P. Schmiedehausen
2003-08-31 16:23 ` Larry McVoy
2003-08-31 16:36 ` Andrea Arcangeli
2003-08-31 15:38 ` Jörn Engel
2003-09-02 6:55 ` Henning P. Schmiedehausen
2003-08-31 13:47 ` Pascal Schmidt
2003-08-31 14:51 ` Andrea Arcangeli
2003-09-02 6:53 ` Henning P. Schmiedehausen
2003-08-31 6:30 ` Jörn Engel
[not found] <qn1b.2Pr.29@gated-at.bofh.it>
[not found] ` <qoTh.5mt.11@gated-at.bofh.it>
[not found] ` <rdje.1sH.11@gated-at.bofh.it>
2003-09-02 17:49 ` Pascal Schmidt
2003-08-30 1:29 Larry McVoy
2003-08-30 15:03 ` Larry McVoy
2003-08-30 16:10 ` Jörn Engel
2003-08-31 10:13 ` Toon van der Pas
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