From: urgrue <urgrue@tumsan.fi>
To: "David S. Miller" <davem@redhat.com>
Cc: Neil Horman <nhorman@redhat.com>,
ananth.kandukuri@gmail.com, linux-admin@vger.kernel.org,
linux-net@vger.kernel.org
Subject: Re: Linux based router for Gigabit traffic
Date: Mon, 23 Aug 2004 10:58:58 +0300 [thread overview]
Message-ID: <20040823075858.GA13610@fede2.tumsan.fi> (raw)
In-Reply-To: <20040822225607.401e9d5d.davem@redhat.com>; from davem@redhat.com on Mon, Aug 23, 2004 at 08:56:07 +0300
On 2004.08.23 08:56, David S. Miller wrote:
> On Sun, 22 Aug 2004 08:49:04 -0400
> Neil Horman <nhorman@redhat.com> wrote:
>
> > Quite simply a general purpose CPU system isn't normally built to
> > handle network traffic at gigabit rates, especially not from
> multiple
> > ports at once. If you really want a line rate gigabit router, you
> need
> > custom ASIC to do hardware offload of that work. Several networking
>
> Gigabit routing is possible with commodity hardware. It's a software
> problem for the cases that go fast enough currently.
> -
Possible, but only up to 2 gbps. Correct me if I'm wrong, but one full-
duplex gigabit card alone can fill up the entire theoretical maximum
bandwidth of the PCI bus, which is only 266MBps.
Four gigabit cards on a normal PCI bus is far more than PCI can handle.
next prev parent reply other threads:[~2004-08-23 7:58 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-22 12:32 Linux based router for Gigabit traffic Anantha Kiran
2004-08-22 12:49 ` Neil Horman
2004-08-23 5:56 ` David S. Miller
2004-08-23 7:11 ` Mikael Abrahamsson
2004-08-23 13:10 ` Adam Lang
2004-08-23 7:58 ` urgrue [this message]
2004-08-23 11:17 ` Neil Horman
2004-08-23 11:36 ` urgrue
2004-08-25 7:48 ` Stephen Samuel
2004-08-23 15:31 ` Stephen J. Smoogen
2004-08-24 17:08 ` DNS "named" question Tony Gogoi
2004-08-24 17:21 ` DNS 'named' question Scott Taylor
2004-08-24 17:33 ` DNS "named" question Bradley Hook
2004-08-22 15:07 ` Linux based router for Gigabit traffic Matti Aarnio
2004-08-27 18:01 ` neolozer
[not found] <Pine.LNX.4.44.0408220858160.1897-100000@bawx.pilosoft.com>
[not found] ` <4128CA84.7000304@redhat.com>
2004-08-22 18:14 ` Anantha Kiran
2004-08-22 18:25 ` Anantha Kiran
2004-08-23 15:39 ` Stephen J. Smoogen
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