Re: <draft-ietf-6man-rfc4291bis-09.txt>

David Farmer <farmer@umn.edu> Sat, 22 July 2017 21:02 UTC

Return-Path: <farmer@umn.edu>
X-Original-To: ipv6@ietfa.amsl.com
Delivered-To: ipv6@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C71A11317BE for <ipv6@ietfa.amsl.com>; Sat, 22 Jul 2017 14:02:30 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -3.801
X-Spam-Level:
X-Spam-Status: No, score=-3.801 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_SORBS_SPAM=0.5, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=umn.edu
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 ggXVaPy2Je26 for <ipv6@ietfa.amsl.com>; Sat, 22 Jul 2017 14:02:29 -0700 (PDT)
Received: from mta-p8.oit.umn.edu (mta-p8.oit.umn.edu [134.84.196.208]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6323F12711E for <ipv6@ietf.org>; Sat, 22 Jul 2017 14:02:28 -0700 (PDT)
Received: from localhost (unknown [127.0.0.1]) by mta-p8.oit.umn.edu (Postfix) with ESMTP id D1E41B67 for <ipv6@ietf.org>; Sat, 22 Jul 2017 21:02:27 +0000 (UTC)
X-Virus-Scanned: amavisd-new at umn.edu
Received: from mta-p8.oit.umn.edu ([127.0.0.1]) by localhost (mta-p8.oit.umn.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rw31jPkbCypu for <ipv6@ietf.org>; Sat, 22 Jul 2017 16:02:27 -0500 (CDT)
Received: from mail-ua0-f200.google.com (mail-ua0-f200.google.com [209.85.217.200]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mta-p8.oit.umn.edu (Postfix) with ESMTPS id 99B809AD for <ipv6@ietf.org>; Sat, 22 Jul 2017 16:02:27 -0500 (CDT)
Received: by mail-ua0-f200.google.com with SMTP id x24so61450228uah.7 for <ipv6@ietf.org>; Sat, 22 Jul 2017 14:02:27 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=umn.edu; s=google; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=/JorsRGyGj6dHjqO5Whhvh13nLxcRAtL2Vjr0Gq9OGA=; b=KvNKa8PYFuz7YzUrYTcFKkSgQpTooLgavIViH9cYthDZHJTl4nDeW2vFdeVudcVw98 fqijnT549ayPFK3Gbu2StMu6j1Uf+U64wNpOKT9TRWWPnz75XThGP1qCAitMFRt3yC/q TKiGZfdSb3Dqcp9eIQIDyGU3FecWM4e39GUV1W8XZtW9cKKxlxAR7Rc5XEYUC1sdZT0f YZxhA9Adc4hsLeOcTJS5idojOGbAOFiIDrJM793YtjIfNpAUmdzLIgr2R9pwp+YLxJtJ Y779cPzKS5C/Uq/NYhS7h2uKhNSj5geunlluDR/osbx9tFciP+6lWYVpTHPipWXItqTT K9QA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=/JorsRGyGj6dHjqO5Whhvh13nLxcRAtL2Vjr0Gq9OGA=; b=J67E4md7kIoL9ZVvyk+Q9QA+mh9Yt1+fng1E1UNmA6HtGX24YKevX3BJ4VxTsh1Stn EZHzaKkdajvR2iXOB+/k3MiAGR/aNEcu6rfYt5J26nUwtqJKHZ5qVENBy3DFWCo66hen oQEVym6FjzEsrvkfmqXLFPXioEAi7ST9B+/EqbAESao99AwECAKaXPjMcqQQtsPrD2Eg gOBeTVeVpRd2qTW7PDY9GMDhk8JikH3+/sVrfWeO/PDxZdPPzzn78ex2YQlnpRvTUYD3 li5hMuJZ+18jlFNLxswgC93sZNq4aSKbYVEJi1+c5KKXoLWLLEMpHFj3gFp0UMF8zC8Z o04w==
X-Gm-Message-State: AIVw111pCh8AxnTKLIJc4i6A+p7XxYOIskdQVxfucEOx2JzCKVBZSr7G 2+rQEnmJH64LW3GysZo5RNewwbGgqKSndyiaxcp1llrjZ8uVFezypdCgNBb/6QLLG7Wsm5khFKv DJqFRAhHGCPjxGqM=
X-Received: by 10.176.27.160 with SMTP id k32mr6966916uai.200.1500757346646; Sat, 22 Jul 2017 14:02:26 -0700 (PDT)
X-Received: by 10.176.27.160 with SMTP id k32mr6966909uai.200.1500757346490; Sat, 22 Jul 2017 14:02:26 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.103.72.221 with HTTP; Sat, 22 Jul 2017 14:02:25 -0700 (PDT)
In-Reply-To: <be9f995c-b717-e87b-3ab9-3a1faa35d770@gmail.com>
References: <20150804195752.5065.13523.idtracker@ietfa.amsl.com> <5AB14F48-2799-4A86-830D-E8A89CCADAAC@gmail.com> <CAKD1Yr0Bt4hhBvtSVWrLpns4odzek3U5WJkuQoS1NGsPozW0sg@mail.gmail.com> <CAN-Dau3vVREsYc4Y6AAdDpLKsMjwH_2saS7JTn8P6fRDXRKV7Q@mail.gmail.com> <596F63F4.9010501@foobar.org> <fe7a1def-e656-c6d8-5336-ed5595331b74@gmail.com> <ed0fde09ae2a4a598c9a84eb0df659e8@XCH15-06-11.nw.nos.boeing.com> <69a7f9f2-584e-a2bc-1200-64fad8f9baf7@gmail.com> <652efa7dcb414b7ba6128bb4f93a3d7e@XCH15-06-11.nw.nos.boeing.com> <CAJE_bqfbLzfSYBBuS58CB6EWYkLLoqgGnb==v0CSScfZBFp=HQ@mail.gmail.com> <m1dYUCB-0000F6C@stereo.hq.phicoh.net> <bf2ab8d8-9070-c53f-90bd-831630021749@gmail.com> <m1dYwTM-0000FzC@stereo.hq.phicoh.net> <be9f995c-b717-e87b-3ab9-3a1faa35d770@gmail.com>
From: David Farmer <farmer@umn.edu>
Date: Sat, 22 Jul 2017 16:02:25 -0500
Message-ID: <CAN-Dau1FYGoEO++_LwVmE2O6rgFfKxyqDAO5giQuJGLbdE2Dxg@mail.gmail.com>
Subject: Re: <draft-ietf-6man-rfc4291bis-09.txt>
To: Brian E Carpenter <brian.e.carpenter@gmail.com>
Cc: Philip Homburg <pch-ipv6-ietf-4@u-1.phicoh.com>, 6man WG <ipv6@ietf.org>
Content-Type: multipart/alternative; boundary="94eb2c117a548835d40554ee4cbe"
Archived-At: <https://mailarchive.ietf.org/arch/msg/ipv6/BwBra6OQoYlrh-2rXIF6Y3ZT5iI>
X-BeenThere: ipv6@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: "IPv6 Maintenance Working Group \(6man\)" <ipv6.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ipv6>, <mailto:ipv6-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ipv6/>
List-Post: <mailto:ipv6@ietf.org>
List-Help: <mailto:ipv6-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ipv6>, <mailto:ipv6-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sat, 22 Jul 2017 21:02:31 -0000

On Sat, Jul 22, 2017 at 3:47 PM, Brian E Carpenter <
brian.e.carpenter@gmail.com> wrote:

> On 23/07/2017 03:37, Philip Homburg wrote:
> >> Then you really have to answer my question: if they are not called
> "interface
> >> identifier" what are those bits called?
> >
> > So let me call them 'host part'
>
> Hate to be picky but in RFC8200 'host' does not include 'router' and these
> bits certainly exist in router addresses.
>
> So it would have to be 'node part'. But in most cases (the only exception
> being anycast) these bits may be (not must be) different in the node per
> interface, so 'node' is still wrong. I just don't get why it isn't
> 'interface part' (with an exception for anycast). And if it's 'interface
> part' I really don't see why it isn't 'interface identifier'.
>
> Here's a thought. How would it be if the contentious sentence in 4291bis
> read, in its entirety:
>
> "Interface Identifiers are 64 bits long when used for Stateless
> Address Autoconfiguration (SLAAC) [RFC4862]."
>
> ?.
>
> Who here could not live with that?
>

I'd be fine with that.

But , how about instead of scoping it to SLAAC specifically, how bout more
generically scoping it to automatically configured addresses or
self-configured addresses as opposed to an address provided to the node
externally.

Just a suggestion, I can live with SLAAC specifically.

thanks
-- 
===============================================
David Farmer               Email:farmer@umn.edu
Networking & Telecommunication Services
Office of Information Technology
University of Minnesota
2218 University Ave SE        Phone: 612-626-0815
Minneapolis, MN 55414-3029   Cell: 612-812-9952
===============================================