[Devel] Re: [PATCH 6/6][NETNS]: Udp sockets per-net lookup.

[David Miller]

From: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji at wide.ad.jp>
Date: Fri, 01 Feb 2008 00:11:38 +1100 (EST)

> In article <47A1C216.9000303 at openvz.org> (at Thu, 31 Jan 2008 15:41:58 +0300), Pavel Emelyanov <xemul at openvz.org> says:
> 
> > Add the net parameter to udp_get_port family of calls and 
> > udp_lookup one and use it to filter sockets.
> 
> I may miss something, but I'm afraid that I have to disagree.
> Port is identified only by family, address, protocol and port,
> and should not be split by name space.

It is like being on a totally different system.

Without sockets in namespaces, there is no point.

The networking devices are even per-namespace already,
so you can even say that each namespace is even
physically different.