From: Sam Vilain <sam@vilain.net>
To: "Serge E. Hallyn" <serue@us.ibm.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>,
hadi@cyberus.ca, Herbert Poetzl <herbert@13thfloor.at>,
Alexey Kuznetsov <alexey@sw.ru>,
viro@ftp.linux.org.uk, devel@openvz.org, dev@sw.ru,
Andrew Morton <akpm@osdl.org>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Andrey Savochkin <saw@swsoft.com>,
Daniel Lezcano <dlezcano@fr.ibm.com>,
Ben Greear <greearb@candelatech.com>,
Dave Hansen <haveblue@us.ibm.com>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
"Eric W. Biederman" <ebiederm@xmission.com>
Subject: Re: strict isolation of net interfaces
Date: Fri, 30 Jun 2006 14:49:05 +1200 [thread overview]
Message-ID: <44A49121.4050004@vilain.net> (raw)
In-Reply-To: <20060630023947.GA24726@sergelap.austin.ibm.com>
Serge E. Hallyn wrote:
> The last one in your diagram confuses me - why foo0:1? I would
> have thought it'd be
>
> host | guest 0 | guest 1 | guest2
> ----------------------+-----------+-----------+--------------
> | | | |
> |-> l0 <-------+-> lo0 ... | lo0 | lo0
> | | | |
> |-> eth0 | | |
> | | | |
> |-> veth0 <--------+-> eth0 | |
> | | | |
> |-> veth1 <--------+-----------+-----------+-> eth0
> | | | |
> |-> veth2 <-------+-----------+-> eth0 |
>
> [...]
>
> So conceptually using a full virtual net device per container
> certainly seems cleaner to me, and it seems like it should be
> simpler by way of statistics gathering etc, but are there actually
> any real gains? Or is the support for multiple IPs per device
> actually enough?
>
Why special case loopback?
Why not:
host | guest 0 | guest 1 | guest2
----------------------+-----------+-----------+--------------
| | | |
|-> lo | | |
| | | |
|-> vlo0 <---------+-> lo | |
| | | |
|-> vlo1 <---------+-----------+-----------+-> lo
| | | |
|-> vlo2 <--------+-----------+-> lo |
| | | |
|-> eth0 | | |
| | | |
|-> veth0 <--------+-> eth0 | |
| | | |
|-> veth1 <--------+-----------+-----------+-> eth0
| | | |
|-> veth2 <-------+-----------+-> eth0 |
Sam.
next prev parent reply other threads:[~2006-06-30 2:48 UTC|newest]
Thread overview: 113+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-09 21:02 [RFC] [patch 0/6] [Network namespace] introduction dlezcano
2006-06-09 21:02 ` [RFC] [patch 1/6] [Network namespace] Network namespace structure dlezcano
2006-06-09 21:02 ` [RFC] [patch 2/6] [Network namespace] Network device sharing by view dlezcano
2006-06-11 10:18 ` Andrew Morton
2006-06-18 18:53 ` Al Viro
2006-06-26 9:47 ` Andrey Savochkin
2006-06-26 13:02 ` Herbert Poetzl
2006-06-26 14:05 ` Eric W. Biederman
2006-06-26 14:08 ` Andrey Savochkin
2006-06-26 18:28 ` Herbert Poetzl
2006-06-26 18:59 ` Eric W. Biederman
2006-06-26 14:56 ` Daniel Lezcano
2006-06-26 15:21 ` Eric W. Biederman
2006-06-26 15:27 ` Andrey Savochkin
2006-06-26 15:49 ` Daniel Lezcano
2006-06-26 16:40 ` Eric W. Biederman
2006-06-26 18:36 ` Herbert Poetzl
2006-06-26 19:35 ` Eric W. Biederman
2006-06-26 20:02 ` Herbert Poetzl
2006-06-26 20:37 ` Eric W. Biederman
2006-06-26 21:26 ` Herbert Poetzl
2006-06-26 21:59 ` Ben Greear
2006-06-26 22:11 ` Eric W. Biederman
2006-06-27 9:09 ` Andrey Savochkin
2006-06-27 15:48 ` Herbert Poetzl
2006-06-27 16:19 ` Andrey Savochkin
2006-06-27 16:40 ` Eric W. Biederman
2006-06-26 22:13 ` Ben Greear
2006-06-26 22:54 ` Herbert Poetzl
2006-06-26 23:08 ` Ben Greear
2006-06-27 16:07 ` Ben Greear
2006-06-27 22:48 ` Herbert Poetzl
2006-06-27 9:11 ` Andrey Savochkin
2006-06-27 9:34 ` Daniel Lezcano
2006-06-27 9:38 ` Andrey Savochkin
2006-06-27 11:21 ` Daniel Lezcano
2006-06-27 11:52 ` Eric W. Biederman
2006-06-27 16:02 ` Herbert Poetzl
2006-06-27 16:47 ` Eric W. Biederman
2006-06-27 17:19 ` Ben Greear
2006-06-27 22:52 ` Herbert Poetzl
2006-06-27 23:12 ` Dave Hansen
2006-06-27 23:42 ` Alexey Kuznetsov
2006-06-28 3:38 ` Eric W. Biederman
2006-06-28 13:36 ` Herbert Poetzl
2006-06-28 13:53 ` jamal
2006-06-28 14:19 ` Andrey Savochkin
2006-06-28 16:17 ` jamal
2006-06-28 16:58 ` Andrey Savochkin
2006-06-28 17:17 ` Eric W. Biederman
2006-06-28 17:04 ` Herbert Poetzl
2006-06-28 14:39 ` Eric W. Biederman
2006-06-30 1:41 ` Sam Vilain
2006-06-29 21:07 ` Sam Vilain
2006-06-29 22:14 ` strict isolation of net interfaces Cedric Le Goater
2006-06-30 2:39 ` Serge E. Hallyn
2006-06-30 2:49 ` Sam Vilain [this message]
2006-07-03 14:53 ` Andrey Savochkin
2006-07-04 3:00 ` Sam Vilain
2006-07-04 12:29 ` Daniel Lezcano
2006-07-04 13:13 ` Sam Vilain
2006-07-04 13:19 ` Daniel Lezcano
2006-06-30 8:56 ` Cedric Le Goater
2006-07-03 13:36 ` Herbert Poetzl
2006-06-30 12:23 ` Daniel Lezcano
2006-06-30 14:20 ` Eric W. Biederman
2006-06-30 15:22 ` Daniel Lezcano
2006-06-30 17:58 ` Eric W. Biederman
2006-06-30 16:14 ` Serge E. Hallyn
2006-06-30 17:41 ` Eric W. Biederman
2006-06-30 18:09 ` Eric W. Biederman
2006-06-30 0:15 ` [patch 2/6] [Network namespace] Network device sharing by view jamal
2006-06-30 3:35 ` Herbert Poetzl
2006-06-30 7:45 ` Andrey Savochkin
2006-06-30 13:50 ` jamal
2006-06-30 15:01 ` Andrey Savochkin
2006-06-30 18:22 ` Eric W. Biederman
2006-06-30 21:51 ` jamal
2006-07-01 0:50 ` Eric W. Biederman
2006-06-28 14:21 ` Eric W. Biederman
2006-06-28 14:51 ` Eric W. Biederman
2006-06-27 16:49 ` Alexey Kuznetsov
2006-06-27 11:55 ` Andrey Savochkin
2006-06-27 9:54 ` Kirill Korotaev
2006-06-27 16:09 ` Herbert Poetzl
2006-06-27 16:29 ` Eric W. Biederman
2006-06-27 23:07 ` Herbert Poetzl
2006-06-28 4:07 ` Eric W. Biederman
2006-06-28 6:31 ` Sam Vilain
2006-06-28 14:15 ` Herbert Poetzl
2006-06-28 15:36 ` Eric W. Biederman
2006-06-28 17:18 ` Herbert Poetzl
2006-06-28 10:14 ` Cedric Le Goater
2006-06-28 14:11 ` Herbert Poetzl
2006-06-28 16:10 ` Eric W. Biederman
2006-07-06 9:45 ` Routing tables (Re: [patch 2/6] [Network namespace] Network device sharing by view) Kari Hurtta
2006-06-09 21:02 ` [RFC] [patch 3/6] [Network namespace] Network devices isolation dlezcano
2006-06-18 18:57 ` Al Viro
2006-06-09 21:02 ` [RFC] [patch 4/6] [Network namespace] Network inet " dlezcano
2006-06-09 21:02 ` [RFC] [patch 5/6] [Network namespace] ipv4 isolation dlezcano
2006-06-10 0:23 ` James Morris
2006-06-10 0:27 ` Rick Jones
2006-06-10 0:47 ` James Morris
2006-06-09 21:02 ` [RFC] [patch 6/6] [Network namespace] Network namespace debugfs dlezcano
2006-06-10 7:16 ` [RFC] [patch 0/6] [Network namespace] introduction Kari Hurtta
2006-06-16 4:23 ` Eric W. Biederman
2006-06-16 9:06 ` Daniel Lezcano
2006-06-16 9:22 ` Eric W. Biederman
2006-06-18 18:47 ` Al Viro
2006-06-20 21:21 ` Daniel Lezcano
2006-06-20 21:25 ` Al Viro
2006-06-20 22:45 ` Daniel Lezcano
2006-06-26 23:38 ` Patrick McHardy
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