IETF Logo Mail Archive

Re: [v6ops] Please review the No IPv4 draft

Gert Doering <gert@space.net> Tue, 15 April 2014 08:36 UTC

Return-Path: <gert@Space.Net>
X-Original-To: v6ops@ietfa.amsl.com
Delivered-To: v6ops@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8FA3B1A0745 for <v6ops@ietfa.amsl.com>; Tue, 15 Apr 2014 01:36:20 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.172
X-Spam-Level:
X-Spam-Status: No, score=-2.172 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RP_MATCHES_RCVD=-0.272] autolearn=ham
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vOrgXiG-rcQy for <v6ops@ietfa.amsl.com>; Tue, 15 Apr 2014 01:36:19 -0700 (PDT)
Received: from mobil.space.net (mobil.space.net [IPv6:2001:608:2:81::67]) by ietfa.amsl.com (Postfix) with ESMTP id 772A81A0396 for <v6ops@ietf.org>; Tue, 15 Apr 2014 01:36:19 -0700 (PDT)
Received: from mobil.space.net (localhost [IPv6:::1]) by mobil.space.net (Postfix) with ESMTP id 257F2629C8 for <v6ops@ietf.org>; Tue, 15 Apr 2014 10:36:16 +0200 (CEST)
X-SpaceNet-Relay: true
Received: from moebius3.space.net (moebius3.Space.Net [IPv6:2001:608:2:2::250]) by mobil.space.net (Postfix) with ESMTPS id E3F2D6297D for <v6ops@ietf.org>; Tue, 15 Apr 2014 10:36:15 +0200 (CEST)
Received: (qmail 11724 invoked by uid 1007); 15 Apr 2014 10:36:15 +0200
Date: Tue, 15 Apr 2014 10:36:15 +0200
From: Gert Doering <gert@space.net>
To: Mikael Abrahamsson <swmike@swm.pp.se>
Message-ID: <20140415083615.GB43641@Space.Net>
References: <534BF5A5.5010609@viagenie.ca> <CAKD1Yr0j5+r6K8APoFageJz2RESKj5vkk10Ybom0p3Vec_G0YQ@mail.gmail.com> <m2k3argftt.wl%Niall.oReilly@ucd.ie> <alpine.DEB.2.02.1404151026060.10236@uplift.swm.pp.se>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
In-Reply-To: <alpine.DEB.2.02.1404151026060.10236@uplift.swm.pp.se>
X-NCC-RegID: de.space
User-Agent: Mutt/1.5.21 (2010-09-15)
Archived-At: http://mailarchive.ietf.org/arch/msg/v6ops/Y9r0GTQnvaJGIctFjMD8uPHyu40
Cc: "v6ops@ietf.org WG" <v6ops@ietf.org>
Subject: Re: [v6ops] Please review the No IPv4 draft
X-BeenThere: v6ops@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: v6ops discussion list <v6ops.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/v6ops>, <mailto:v6ops-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/v6ops/>
List-Post: <mailto:v6ops@ietf.org>
List-Help: <mailto:v6ops-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/v6ops>, <mailto:v6ops-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 15 Apr 2014 08:36:20 -0000

Hi,

On Tue, Apr 15, 2014 at 10:27:41AM +0200, Mikael Abrahamsson wrote:
> On Tue, 15 Apr 2014, Niall O'Reilly wrote:
> 
> >  Is the noise/signal (stet!) ratio in client-generated traffic already
> >  so low that a few DHCPDISCOVERs per client would be noticeable?
> 
> If you have thousands of devices in the same domain, so yes.
> 
> Also, you have to remember that some devices will try to ARP for 
> "everything" when IPv4 is still turned on (using its IPv4 LL address). 
> Having IPv4 be completely turned off on a LAN actually makes quite a lot 
> of sense.
> 
> So yes, there is a use-case.

I agree to this.  Interestingly, this is something else than "just shutdown
the dhcpv4 client if this option is detected" - it is "shutdown IPv4", which
many OSes can't do today at all (and yes, that needs fixing).

Gert Doering
        -- NetMaster
-- 
have you enabled IPv6 on something today...?

SpaceNet AG                        Vorstand: Sebastian v. Bomhard
Joseph-Dollinger-Bogen 14          Aufsichtsratsvors.: A. Grundner-Culemann
D-80807 Muenchen                   HRB: 136055 (AG Muenchen)
Tel: +49 (0)89/32356-444           USt-IdNr.: DE813185279

v2.23.0 | Report a Bug | By Email