From: Stephen Hemminger <shemminger@osdl•org>
To: David Miller <davem@davemloft•net>
Cc: rusty@rustcorp•com.au, kuznet@ms2•inr.ac.ru, johnpol@2ka•mipt.ru,
netdev@vger•kernel.org
Subject: Re: Netchannles: first stage has been completed. Further ideas.
Date: Thu, 27 Jul 2006 11:54:19 -0700 [thread overview]
Message-ID: <20060727115419.0e25843f@localhost.localdomain> (raw)
In-Reply-To: <20060726.230028.00077989.davem@davemloft.net>
On Wed, 26 Jul 2006 23:00:28 -0700 (PDT)
David Miller <davem@davemloft•net> wrote:
> From: Rusty Russell <rusty@rustcorp•com.au>
> Date: Thu, 27 Jul 2006 15:46:12 +1000
>
> > Yes, my first thought back in January was how netfilter would interact
> > with this in a sane way. One answer is "don't": once someone registers
> > on any hook we go into slow path. Another is to run the hooks in socket
> > context, which is better, but precludes having the consumer in
> > userspace, which still appeals to me 8)
>
> Small steps, small steps. I have not ruled out userspace TCP just
> yet, but we are not prepared to go there right now anyways. It is
> just the same kind of jump to go to kernel level netchannels as it is
> to go from kernel level netchannels to userspace netchannel based TCP.
I think we sell our existing stack short. There are lots of opportunities left
to look more closely at actual real performance bottlenecks and improve
incrementally. But it requires, tools, time, faster net hardware, and some
creative insight. I guess it just isn't as cool.
next prev parent reply other threads:[~2006-07-27 18:54 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-18 8:16 Netchannles: first stage has been completed. Further ideas Evgeniy Polyakov
2006-07-18 8:34 ` David Miller
2006-07-18 8:50 ` Evgeniy Polyakov
2006-07-18 11:16 ` Christian Borntraeger
2006-07-18 11:51 ` Evgeniy Polyakov
2006-07-18 12:36 ` Christian Borntraeger
2006-07-18 19:11 ` Evgeniy Polyakov
2006-07-18 21:20 ` David Miller
2006-07-18 12:15 ` Jörn Engel
2006-07-18 19:08 ` Evgeniy Polyakov
2006-07-19 11:00 ` Jörn Engel
2006-07-20 7:42 ` Evgeniy Polyakov
2006-07-18 23:01 ` Alexey Kuznetsov
2006-07-19 0:39 ` David Miller
2006-07-19 5:38 ` Evgeniy Polyakov
2006-07-19 6:30 ` Evgeniy Polyakov
2006-07-19 13:19 ` Alexey Kuznetsov
2006-07-20 7:32 ` Evgeniy Polyakov
2006-07-20 16:41 ` Alexey Kuznetsov
2006-07-20 21:08 ` Evgeniy Polyakov
2006-07-20 21:21 ` Ben Greear
2006-07-21 7:19 ` Evgeniy Polyakov
2006-07-21 7:20 ` Evgeniy Polyakov
2006-07-21 16:14 ` Ben Greear
2006-07-21 16:27 ` Evgeniy Polyakov
2006-07-22 13:23 ` Caitlin Bestler
2006-07-20 21:40 ` Ian McDonald
2006-07-21 7:26 ` Evgeniy Polyakov
2006-07-20 22:59 ` Alexey Kuznetsov
2006-07-21 4:55 ` David Miller
2006-07-21 7:10 ` Evgeniy Polyakov
2006-07-21 7:47 ` David Miller
2006-07-21 9:06 ` Evgeniy Polyakov
2006-07-21 9:19 ` David Miller
2006-07-21 9:39 ` Evgeniy Polyakov
2006-07-21 9:46 ` David Miller
2006-07-21 9:55 ` Evgeniy Polyakov
2006-07-21 16:26 ` Rick Jones
2006-07-21 20:57 ` David Miller
2006-07-19 19:52 ` Stephen Hemminger
2006-07-19 20:01 ` David Miller
2006-07-19 20:16 ` Stephen Hemminger
2006-07-24 18:54 ` Stephen Hemminger
2006-07-24 20:52 ` Alexey Kuznetsov
2006-07-27 2:17 ` Rusty Russell
2006-07-27 5:17 ` David Miller
2006-07-27 5:46 ` Rusty Russell
2006-07-27 6:00 ` David Miller
2006-07-27 18:54 ` Stephen Hemminger [this message]
2006-07-28 8:21 ` David Miller
2006-07-28 5:54 ` Rusty Russell
2006-08-01 4:47 ` David Miller
2006-08-01 6:36 ` Rusty Russell
2006-07-27 16:33 ` Alexey Kuznetsov
2006-07-27 16:51 ` Evgeniy Polyakov
2006-07-27 20:56 ` Alexey Kuznetsov
2006-07-28 5:17 ` Evgeniy Polyakov
2006-07-28 5:34 ` David Miller
2006-07-28 5:47 ` Evgeniy Polyakov
2006-07-28 4:49 ` Rusty Russell
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