From: Daniel Lezcano <dlezcano@fr•ibm.com>
To: Andrey Savochkin <saw@sw•ru>
Cc: netdev@vger•kernel.org, serue@us•ibm.com, haveblue@us•ibm.com,
clg@fr•ibm.com, herbert@13thfloor•at, sam@vilain•net,
ebiederm@xmission•com, Andrew Morton <akpm@osdl•org>,
dev@sw•ru, devel@openvz•org, alexey@sw•ru
Subject: Re: [RFC] network namespaces
Date: Wed, 04 Oct 2006 11:40:32 +0200 [thread overview]
Message-ID: <45238190.7090709@fr.ibm.com> (raw)
In-Reply-To: <20060815182029.A1685@castle.nmd.msu.ru>
Andrey Savochkin wrote:
> Hi All,
>
> I'd like to resurrect our discussion about network namespaces.
> In our previous discussions it appeared that we have rather polar concepts
> which seemed hard to reconcile.
> Now I have an idea how to look at all discussed concepts to enable everyone's
> usage scenario.
Hi Andrey,
I have a few questions ... sorry for asking so late ;)
>
> 1. The most straightforward concept is complete separation of namespaces,
> covering device list, routing tables, netfilter tables, socket hashes, and
> everything else.
>
> On input path, each packet is tagged with namespace right from the
> place where it appears from a device, and is processed by each layer
> in the context of this namespace.
If you have the namespace where is coming the packet, why do you tag the
packet instead of switching to the right namespace ?
> Non-root namespaces communicate with the outside world in two ways: by
> owning hardware devices, or receiving packets forwarded them by their parent
> namespace via pass-through device.
Do you will do proxy arp and ip forwarding into the root namespace in
order to make non-root namespace visible from the outside world ?
Regards.
-- Daniel
prev parent reply other threads:[~2006-10-04 9:40 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-15 14:20 [RFC] network namespaces Andrey Savochkin
2006-08-15 14:48 ` [PATCH 1/9] network namespaces: core and device list Andrey Savochkin
2006-08-16 14:46 ` Dave Hansen
2006-08-16 16:45 ` Stephen Hemminger
2006-08-15 14:48 ` [PATCH 2/9] network namespaces: IPv4 routing Andrey Savochkin
2006-08-15 14:48 ` [PATCH 3/9] network namespaces: playing and debugging Andrey Savochkin
2006-08-16 16:46 ` Stephen Hemminger
2006-08-16 17:22 ` Eric W. Biederman
2006-08-17 6:28 ` Andrey Savochkin
2006-08-17 8:30 ` Kirill Korotaev
2006-08-15 14:48 ` [PATCH 4/9] network namespaces: socket hashes Andrey Savochkin
2006-09-18 15:12 ` Daniel Lezcano
2006-09-20 16:32 ` Andrey Savochkin
2006-09-21 12:34 ` Daniel Lezcano
2006-08-15 14:48 ` [PATCH 5/9] network namespaces: async socket operations Andrey Savochkin
2006-09-22 15:33 ` Daniel Lezcano
2006-09-23 13:16 ` Andrey Savochkin
2006-08-15 14:48 ` [PATCH 6/9] allow proc_dir_entries to have destructor Andrey Savochkin
2006-08-15 14:48 ` [PATCH 7/9] net_device seq_file Andrey Savochkin
2006-08-15 14:48 ` [PATCH 8/9] network namespaces: device to pass packets between namespaces Andrey Savochkin
2006-08-15 14:48 ` [PATCH 9/9] network namespaces: playing with pass-through device Andrey Savochkin
2006-08-16 11:53 ` [RFC] network namespaces Serge E. Hallyn
2006-08-16 15:12 ` Alexey Kuznetsov
2006-08-16 17:35 ` Eric W. Biederman
2006-08-17 8:29 ` Kirill Korotaev
2006-09-05 13:34 ` Daniel Lezcano
2006-09-05 14:45 ` Eric W. Biederman
2006-09-05 15:32 ` Daniel Lezcano
2006-09-05 16:53 ` Herbert Poetzl
2006-09-05 18:27 ` Eric W. Biederman
2006-09-06 14:52 ` Kirill Korotaev
2006-09-06 15:09 ` [Devel] " Kir Kolyshkin
2006-09-06 9:10 ` Daniel Lezcano
2006-09-06 16:56 ` Herbert Poetzl
2006-09-06 17:37 ` [Devel] " Kir Kolyshkin
2006-09-06 18:34 ` Eric W. Biederman
2006-09-06 18:58 ` Kir Kolyshkin
2006-09-06 20:53 ` Cedric Le Goater
2006-09-06 23:06 ` Caitlin Bestler
2006-09-06 23:25 ` Eric W. Biederman
2006-09-07 0:53 ` Stephen Hemminger
2006-09-07 5:11 ` Eric W. Biederman
2006-09-07 8:25 ` Daniel Lezcano
2006-09-07 18:29 ` Eric W. Biederman
2006-09-08 6:02 ` Herbert Poetzl
2006-09-07 16:23 ` [Devel] " Kirill Korotaev
2006-09-07 17:27 ` Herbert Poetzl
2006-09-07 19:50 ` Eric W. Biederman
2006-09-08 13:10 ` Dmitry Mishin
2006-09-08 18:11 ` Herbert Poetzl
2006-09-09 7:57 ` Dmitry Mishin
2006-09-10 2:47 ` Herbert Poetzl
2006-09-10 3:41 ` Eric W. Biederman
2006-09-10 8:11 ` Dmitry Mishin
2006-09-10 11:48 ` Eric W. Biederman
2006-09-10 19:19 ` [Devel] " Herbert Poetzl
2006-09-10 7:45 ` Dmitry Mishin
2006-09-10 19:22 ` Herbert Poetzl
2006-09-12 3:26 ` Eric W. Biederman
2006-09-11 14:40 ` [Devel] " Daniel Lezcano
2006-09-11 14:57 ` Herbert Poetzl
2006-09-11 15:04 ` Daniel Lezcano
2006-09-11 15:10 ` Dmitry Mishin
2006-09-12 3:28 ` Eric W. Biederman
2006-09-12 7:38 ` Dmitry Mishin
2006-09-06 21:44 ` [Devel] " Daniel Lezcano
2006-09-06 17:58 ` Eric W. Biederman
2006-09-05 15:47 ` Kirill Korotaev
2006-09-05 17:09 ` Eric W. Biederman
2006-09-06 20:25 ` Cedric Le Goater
2006-09-06 20:40 ` Eric W. Biederman
2006-10-04 9:40 ` Daniel Lezcano [this message]
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