Re: [homenet] Let's make in-home ULA presence a MUST !?

Mikael Abrahamsson <swmike@swm.pp.se> Wed, 15 October 2014 04:58 UTC

Return-Path: <swmike@swm.pp.se>
X-Original-To: homenet@ietfa.amsl.com
Delivered-To: homenet@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8EF6A1A0271 for <homenet@ietfa.amsl.com>; Tue, 14 Oct 2014 21:58:15 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: 0.794
X-Spam-Level:
X-Spam-Status: No, score=0.794 tagged_above=-999 required=5 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HELO_EQ_SE=0.35, PLING_QUERY=0.279, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, URIBL_RHS_DOB=0.276] autolearn=no
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 Chx8j-dwyNl9 for <homenet@ietfa.amsl.com>; Tue, 14 Oct 2014 21:58:14 -0700 (PDT)
Received: from uplift.swm.pp.se (ipv6.swm.pp.se [IPv6:2a00:801::f]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 0E91E1A026C for <homenet@ietf.org>; Tue, 14 Oct 2014 21:58:13 -0700 (PDT)
Received: by uplift.swm.pp.se (Postfix, from userid 501) id 5B636A1; Wed, 15 Oct 2014 06:58:11 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=swm.pp.se; s=mail; t=1413349091; bh=/mnNkAuMQmJJnVRj8U4Or5mrgG1zraAZ0NlZqLG4fYw=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=XkAtIkURwpszISrMgFCGvCuECik1FwTL4WfCN5NJBWUXszmN/nFayCjiEcHnpS5HX yfpxFrvvRbksBp4nhSC+ChbiUGbtkolCRBczUA9zefTbpMR8QqGtP9KHqTORXZeKh2 5Ka437NGX+IQVIauf1PAIipg/96X1Y9dadfOiH8A=
Received: from localhost (localhost [127.0.0.1]) by uplift.swm.pp.se (Postfix) with ESMTP id 4F5A19F; Wed, 15 Oct 2014 06:58:11 +0200 (CEST)
Date: Wed, 15 Oct 2014 06:58:11 +0200 (CEST)
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: Ted Lemon <mellon@fugue.com>
In-Reply-To: <48942796-C098-48B6-B894-544499EEB5F3@fugue.com>
Message-ID: <alpine.DEB.2.02.1410150657030.30853@uplift.swm.pp.se>
References: <72CC13D1-7E7A-4421-B23E-16D8FFAEEB58@darou.fr> <CAAedzxp1R-C5E9RJVMVLRJxPc0w4zooPtqnvWK9eggpZu4=xtg@mail.gmail.com> <C7F3DE60-F596-4BAD-9C28-74006966E5B9@fugue.com> <20141014142746.GX31092@Space.Net> <69B1F2CB-88C6-4211-83F3-11C8A3E7BFD2@fugue.com> <20141014145930.GY31092@Space.Net> <7D59D80C-2BF0-428B-A872-B2922B2D0F98@fugue.com> <alpine.DEB.2.02.1410142043200.30853@uplift.swm.pp.se> <48942796-C098-48B6-B894-544499EEB5F3@fugue.com>
User-Agent: Alpine 2.02 (DEB 1266 2009-07-14)
Organization: People's Front Against WWW
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
Archived-At: http://mailarchive.ietf.org/arch/msg/homenet/zFgTsV1rufOP5h_Rtp-cCL79i7k
Cc: Erik Kline <ek@google.com>, HOMENET Working Group <homenet@ietf.org>, Pierre Pfister <pierre.pfister@darou.fr>, Gert Doering <gert@space.net>
Subject: Re: [homenet] Let's make in-home ULA presence a MUST !?
X-BeenThere: homenet@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: <homenet.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/homenet>, <mailto:homenet-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/homenet/>
List-Post: <mailto:homenet@ietf.org>
List-Help: <mailto:homenet-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/homenet>, <mailto:homenet-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 15 Oct 2014 04:58:15 -0000

On Tue, 14 Oct 2014, Ted Lemon wrote:

> Right.  This is IPv4.  In IPv4 we typically use a NAT on the local wire, 
> so we get the effect we are trying to achieve either by retaining stale 
> GUAs or using ULAs on the local wire in homenets.  IPv4 also does not 
> provide graceful renumbering, so if the ISP wants to force an IPv4 
> address change, they have no choice but to do flash renumbering.  The UX 
> is not good.

Just to be clear, I am against flash renumbering, I want to see 
renumbering done with 30-60 minute overlap at least. I however do see that 
we really really need to support renumbering. One way of making sure that 
support works is to expose applications to frequent renumbering.

-- 
Mikael Abrahamsson    email: swmike@swm.pp.se