Re: [v6ops] Stateful SLAAC (draft-ietf-v6ops-unique-ipv6-prefix-per-host)

Bob Hinden <bob.hinden@gmail.com> Sun, 12 November 2017 07:42 UTC

Return-Path: <bob.hinden@gmail.com>
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 0028F12751F; Sat, 11 Nov 2017 23:42:21 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.7
X-Spam-Level:
X-Spam-Status: No, score=-2.7 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com
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 KW2JfumY-zTa; Sat, 11 Nov 2017 23:42:20 -0800 (PST)
Received: from mail-wm0-x232.google.com (mail-wm0-x232.google.com [IPv6:2a00:1450:400c:c09::232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 79BD412711D; Sat, 11 Nov 2017 23:42:20 -0800 (PST)
Received: by mail-wm0-x232.google.com with SMTP id b189so2633696wmd.5; Sat, 11 Nov 2017 23:42:20 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=7B02J9JxxHZLtS1PrU21R42OQoJnWymPB8VuxOUnt9o=; b=ZT/3AdCVfzVNdI6/lfSYzf7/oWa8ZiZ0tN//cKG5PewIRJdALCZnMwWXfQ+WlftPgs Dm3y1xrTtLXIS8ZFKV9dBGm9TSv+EXcSn17iJfQd4TGK3k50uahyg/Dkdk5i53MXzUZk veZ99iHhxnhDj5H5CthI8Rk9HvC1+XA7QUHaEaEqHW2m3AZ2D/UenUIxliHIrXLAexXQ bTPV5FCMHk8r4CSGj/DUV19y7woDdf5hpFbaN6TDwRUQqLP9MENVn9wgeIKOri9S4qEY Mypon1D9bOrqd+7VwD3oPh1/6OWAb/3YzGHvHrHdfoFEv1CU4Lu14wyHydzEgThuIMWf IqBw==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:message-id:mime-version:subject:date :in-reply-to:cc:to:references; bh=7B02J9JxxHZLtS1PrU21R42OQoJnWymPB8VuxOUnt9o=; b=oqfQfi/n+evpsM42HFsFlHUtn/IBGJbgBONYEETjGkK9GlX1i5uzg618eBeiCK3ljt ctJ6GYQrI8OqL7WfPWRDJouBvQ9U7LN5mtUD1BKmdO5BF3Ho/iHevgSEnSWPu/5xR3b8 00oOTRpBeaUC0CQH92sapH4vH6Q5IaVWQ3l8waB/h+3MyYv4DSrEXnuHu8wl5I/4DZfW HCTbfiB85OPRyTpKP9PRKvgdwSTNRB+n5c8NzDAim8omR5ToB+nznPaN0h57GNmA4fvn so4Wagbc31liSksXDIP5SxQe7mhpYTGzBsX2uC8JmRaGh1CM6iw01OEgaKhXVaRl40+H CD1A==
X-Gm-Message-State: AJaThX7m0/3cwoMLsL+e9jg3IWpSMPeDo2WKk7MEXt/HNQebRt6j8nU+ Z4s4XQaFDaLUYWj3YELEdQA=
X-Google-Smtp-Source: AGs4zMbd/q2G6JAOPR+4LXMQfwEurVdtg52mhbEcuGf7Dbw6wBdO53SvdQwpFnMuou12DGlFeHZgBQ==
X-Received: by 10.80.145.13 with SMTP id e13mr7625946eda.22.1510472539035; Sat, 11 Nov 2017 23:42:19 -0800 (PST)
Received: from ?IPv6:2001:67c:1232:144:d143:9ee:c44f:9c93? ([2001:67c:1232:144:d143:9ee:c44f:9c93]) by smtp.gmail.com with ESMTPSA id 41sm10833702edz.66.2017.11.11.23.42.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 11 Nov 2017 23:42:17 -0800 (PST)
From: Bob Hinden <bob.hinden@gmail.com>
Message-Id: <DA6052AB-77C6-4405-871B-8E807F43D2CA@gmail.com>
Content-Type: multipart/signed; boundary="Apple-Mail=_6D5FF35D-1919-4D99-8B33-84DB836B943E"; protocol="application/pgp-signature"; micalg=pgp-sha512
Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\))
Subject: Re: [v6ops] Stateful SLAAC (draft-ietf-v6ops-unique-ipv6-prefix-per-host)
Date: Sun, 12 Nov 2017 15:42:02 +0800
In-Reply-To: <F5C714A6-4987-465F-9154-6D1E39394511@fugue.com>
Cc: Bob Hinden <bob.hinden@gmail.com>, DY Kim <dykim6@gmail.com>, IPv6 Operations <v6ops@ietf.org>, "6man@ietf.org" <6man@ietf.org>, "6man-ads@tools.ietf.org" <6man-ads@ietf.org>, "v6ops-ads@ietf.org" <v6ops-ads@ietf.org>, draft-ietf-v6ops-unique-ipv6-prefix-per-host@tools.ietf.org, Fernando Gont <fgont@si6networks.com>
To: Ted Lemon <mellon@fugue.com>
References: <be9724f5-2ff5-d90c-2749-ecae2c628b78@si6networks.com> <CAKD1Yr0_a2Qm8U4oK+BQU57DeDUD9i-o_+G+YhnH4pVXRxmxxQ@mail.gmail.com> <BBB987EF-D91C-4FD1-9084-21382F24E7BF@gmail.com> <37b58331-ecfc-aaf8-bde4-91dd4d375834@si6networks.com> <029B5A33-0C3F-4021-BA86-50E6DF37F879@gmail.com> <59F47233-62ED-489D-9421-00128C8E7EB2@fugue.com> <D36B8133-7258-4EDD-8CA9-85B574D095BC@gmail.com> <F5C714A6-4987-465F-9154-6D1E39394511@fugue.com>
X-Mailer: Apple Mail (2.3273)
Archived-At: <https://mailarchive.ietf.org/arch/msg/ipv6/er-evO0vAIlmAAKqt9aXdI-E7Yg>
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: Sun, 12 Nov 2017 07:42:22 -0000

Ted,

> On Nov 11, 2017, at 11:18 AM, Ted Lemon <mellon@fugue.com>; wrote:
> 
> On Nov 11, 2017, at 11:02 AM, DY Kim <dykim6@gmail.com>; wrote:
>> Hence, the issue, if any, should be raised against the router spec, not against this draft or even SLAAC, I’d think.
> 
> There's clearly an issue.   The router has to preserve the prefix assigned to the host across reboots, or else the host will have to flash renumber.   This would be quite a bit worse than current behavior with SLAAC, and I think is unacceptable.

I agree.  I think this document needs to address this topic.

Bob