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Re: [RFC] network namespaces [message #7120 is a reply to message #5165]

Wed, 04 October 2006 09:40

Daniel Lezcano
Messages: 417
Registered: June 2006

Senior Member

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

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[Message index]

		[RFC] network namespaces By: Andrey Savochkin on Tue, 15 August 2006 14:20
		[PATCH 1/9] network namespaces: core and device list By: Andrey Savochkin on Tue, 15 August 2006 14:48
		Re: [PATCH 1/9] network namespaces: core and device list By: Dave Hansen on Wed, 16 August 2006 14:46
		Re: [PATCH 1/9] network namespaces: core and device list By: Stephen Hemminger on Wed, 16 August 2006 16:45
		[PATCH 2/9] network namespaces: IPv4 routing By: Andrey Savochkin on Tue, 15 August 2006 14:48
		[PATCH 6/9] allow proc_dir_entries to have destructor By: Andrey Savochkin on Tue, 15 August 2006 14:48
		[PATCH 5/9] network namespaces: async socket operations By: Andrey Savochkin on Tue, 15 August 2006 14:48
		Re: [PATCH 5/9] network namespaces: async socket operations By: Daniel Lezcano on Fri, 22 September 2006 15:33
		Re: [PATCH 5/9] network namespaces: async socket operations By: Andrey Savochkin on Sat, 23 September 2006 13:16
		[PATCH 7/9] net_device seq_file By: Andrey Savochkin on Tue, 15 August 2006 14:48
		[PATCH 8/9] network namespaces: device to pass packets between namespaces By: Andrey Savochkin on Tue, 15 August 2006 14:48
		[PATCH 4/9] network namespaces: socket hashes By: Andrey Savochkin on Tue, 15 August 2006 14:48
		Re: [PATCH 4/9] network namespaces: socket hashes By: Daniel Lezcano on Mon, 18 September 2006 15:12
		Re: [PATCH 4/9] network namespaces: socket hashes By: Andrey Savochkin on Wed, 20 September 2006 16:32
		Re: [PATCH 4/9] network namespaces: socket hashes By: Daniel Lezcano on Thu, 21 September 2006 12:34
		[PATCH 9/9] network namespaces: playing with pass-through device By: Andrey Savochkin on Tue, 15 August 2006 14:48
		Re: [RFC] network namespaces By: serue on Wed, 16 August 2006 11:53
		Re: [RFC] network namespaces By: Alexey Kuznetsov on Wed, 16 August 2006 15:12
		Re: [RFC] network namespaces By: ebiederm on Wed, 16 August 2006 17:35
		Re: [RFC] network namespaces By: dev on Thu, 17 August 2006 08:28
		Re: [RFC] network namespaces By: Daniel Lezcano on Tue, 05 September 2006 13:34
		Re: [RFC] network namespaces By: ebiederm on Tue, 05 September 2006 14:45
		Re: [RFC] network namespaces By: Herbert Poetzl on Tue, 05 September 2006 16:53
		Re: [RFC] network namespaces By: Daniel Lezcano on Wed, 06 September 2006 09:10
		Re: [RFC] network namespaces By: Herbert Poetzl on Wed, 06 September 2006 16:56
		Re: Re: [RFC] network namespaces By: kir on Wed, 06 September 2006 17:36
		Re: [RFC] network namespaces By: ebiederm on Wed, 06 September 2006 18:34
		Re: [RFC] network namespaces By: kir on Wed, 06 September 2006 18:56
		Re: [RFC] network namespaces By: Cedric Le Goater on Wed, 06 September 2006 20:53
		RE: [RFC] network namespaces By: Caitlin Bestler on Wed, 06 September 2006 23:06
		Re: [RFC] network namespaces By: Daniel Lezcano on Thu, 07 September 2006 08:25
		Re: [RFC] network namespaces By: ebiederm on Thu, 07 September 2006 18:29
		Re: [RFC] network namespaces By: Herbert Poetzl on Fri, 08 September 2006 06:02
		Re: Re: [RFC] network namespaces By: dev on Thu, 07 September 2006 16:20
		Re: Re: [RFC] network namespaces By: Herbert Poetzl on Thu, 07 September 2006 17:27
		Re: Re: [RFC] network namespaces By: Mishin Dmitry on Fri, 08 September 2006 13:10
		Re: Re: [RFC] network namespaces By: Herbert Poetzl on Fri, 08 September 2006 18:11
		Re: Re: [RFC] network namespaces By: Mishin Dmitry on Sat, 09 September 2006 07:57
		Re: Re: [RFC] network namespaces By: Herbert Poetzl on Sun, 10 September 2006 02:47
		Re: Re: [RFC] network namespaces By: Mishin Dmitry on Sun, 10 September 2006 07:45
		Re: Re: [RFC] network namespaces By: Herbert Poetzl on Sun, 10 September 2006 19:22
		Re: [RFC] network namespaces By: ebiederm on Tue, 12 September 2006 03:26
		Re: Re: [RFC] network namespaces By: ebiederm on Sun, 10 September 2006 03:41
		Re: Re: [RFC] network namespaces By: Mishin Dmitry on Sun, 10 September 2006 08:11
		Re: Re: [RFC] network namespaces By: Herbert Poetzl on Sun, 10 September 2006 19:19
		Re: Re: [RFC] network namespaces By: Daniel Lezcano on Mon, 11 September 2006 14:40
		Re: Re: [RFC] network namespaces By: Herbert Poetzl on Mon, 11 September 2006 14:57
		Re: Re: [RFC] network namespaces By: Daniel Lezcano on Mon, 11 September 2006 15:04
		Re: Re: [RFC] network namespaces By: Mishin Dmitry on Mon, 11 September 2006 15:10
		Re: [RFC] network namespaces By: ebiederm on Tue, 12 September 2006 03:28
		Re: [RFC] network namespaces By: Mishin Dmitry on Tue, 12 September 2006 07:38
		Re: Re: [RFC] network namespaces By: ebiederm on Thu, 07 September 2006 19:50
		Re: Re: [RFC] network namespaces By: Daniel Lezcano on Wed, 06 September 2006 21:44
		Re: [RFC] network namespaces By: ebiederm on Wed, 06 September 2006 17:58
		Re: [RFC] network namespaces By: ebiederm on Tue, 05 September 2006 18:27
		Re: [RFC] network namespaces By: dev on Wed, 06 September 2006 14:52
		Re: [RFC] network namespaces By: Daniel Lezcano on Tue, 05 September 2006 15:32
		Re: [RFC] network namespaces By: dev on Tue, 05 September 2006 15:44
		Re: [RFC] network namespaces By: ebiederm on Tue, 05 September 2006 17:09
		Re: [RFC] network namespaces By: Cedric Le Goater on Wed, 06 September 2006 20:25
		Re: Re: [RFC] network namespaces By: kir on Wed, 06 September 2006 15:09
		Re: [RFC] network namespaces By: ebiederm on Wed, 06 September 2006 20:40
		Re: [RFC] network namespaces By: ebiederm on Wed, 06 September 2006 23:25
		Re: [RFC] network namespaces By: Stephen Hemminger on Thu, 07 September 2006 00:53
		Re: [RFC] network namespaces By: ebiederm on Thu, 07 September 2006 05:11
		Re: [RFC] network namespaces By: Daniel Lezcano on Wed, 04 October 2006 09:40
		Re: [RFC] network namespaces By: ebiederm on Sun, 10 September 2006 11:48

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