From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sam Vilain Subject: Re: [patch 2/6] [Network namespace] Network device sharing by view Date: Fri, 30 Jun 2006 13:41:20 +1200 Message-ID: <44A48140.1040702@vilain.net> References: <20060627133849.E13959@castle.nmd.msu.ru> <44A1149E.6060802@fr.ibm.com> <20060627160241.GB28984@MAIL.13thfloor.at> <44A1689B.7060809@candelatech.com> <20060627225213.GB2612@MAIL.13thfloor.at> <1151449973.24103.51.camel@localhost.localdomain> <20060627234210.GA1598@ms2.inr.ac.ru> <20060628133640.GB5088@MAIL.13thfloor.at> <1151502803.5203.101.camel@jzny2> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: hadi@cyberus.ca, Herbert Poetzl , Alexey Kuznetsov , viro@ftp.linux.org.uk, devel@openvz.org, dev@sw.ru, Andrew Morton , clg@fr.ibm.com, serue@us.ibm.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Andrey Savochkin , Daniel Lezcano , Ben Greear , Dave Hansen , Alexey Kuznetsov Return-path: Received: from watts.utsl.gen.nz ([202.78.240.73]:22193 "EHLO watts.utsl.gen.nz") by vger.kernel.org with ESMTP id S1750938AbWF3Bkp (ORCPT ); Thu, 29 Jun 2006 21:40:45 -0400 To: "Eric W. Biederman" In-Reply-To: Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Eric W. Biederman wrote: >> Makes sense for the host side to have naming convention tied >> to the guest. Example as a prefix: guest0-eth0. Would it not >> be interesting to have the host also manage these interfaces >> via standard tools like ip or ifconfig etc? i.e if i admin up >> guest0-eth0, then the user in guest0 will see its eth0 going >> up. >> > Please no. > [...] > Now I am open to radically different designs if they allow the > implementation cost to be lower and they have clean semantics, > and don't wind up being an ugly unmaintainable wart on the linux > networking stack. The only route I could imagine such a thing coming > from is something like tagging flows, in some netfiler like way. > Which might allow ifconfig guest-eth0 from the host without problems. > But I have not seen such a design. > Right. New tools to support new features would probably be tidier, anyway. Sam.