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

Ted Lemon <mellon@fugue.com> Mon, 13 November 2017 02:56 UTC

Return-Path: <mellon@fugue.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 6A0391293EB for <ipv6@ietfa.amsl.com>; Sun, 12 Nov 2017 18:56:31 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.9
X-Spam-Level:
X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=unavailable autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=fugue-com.20150623.gappssmtp.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 zKAXags9GVSC for <ipv6@ietfa.amsl.com>; Sun, 12 Nov 2017 18:56:29 -0800 (PST)
Received: from mail-pg0-x236.google.com (mail-pg0-x236.google.com [IPv6:2607:f8b0:400e:c05::236]) (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 3CFB5126DCA for <6man@ietf.org>; Sun, 12 Nov 2017 18:56:27 -0800 (PST)
Received: by mail-pg0-x236.google.com with SMTP id 207so8863865pgc.12 for <6man@ietf.org>; Sun, 12 Nov 2017 18:56:27 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fugue-com.20150623.gappssmtp.com; s=20150623; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=uzN8sNab+r/K9jZe9/xz0OrnV4AuL8R3ElF8ZlggTg4=; b=SX+RA5dCkKUkzkO5loDlfckKcGD3ZlJ4AE/a3ghyD0ZDBiPmgPsupLgif1m2xBOMnR eHQ2BCH+m5cqOLjtTIrsWrBoTEXxoQpncxZIe+N2qhyznHDA/2LJEYAESKgnwva8P+Rk hTHA87Avyu4PavTcVab0Ozi5Bx1wfMrH0pMWcPrIr2M8icBZ8Z4hkjkclk8WdBfcauPi G6WskGIE79VGJp4mAhPgeU00uxHIMbJMutjbIZ37uc1ar2hb/OkyqVRqkAdCvmphP+a+ BymOAIXNZcxfm1kp7c5yCq+eLFbSsOjytroq+ryJl55omiv61NxLhjJrneTDtASQjXg4 rqGw==
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=uzN8sNab+r/K9jZe9/xz0OrnV4AuL8R3ElF8ZlggTg4=; b=UuCsZD/qv89auHPGGT8HmQ4N7NsCH0hrTCMpYdncrVu5So6JCKhAv+Q3J4i8q34nrM zCip6zuE3N60/qByzL5pnsPyXcgdxLfIhcZPm2BuEWZG58rHkKtYaUG9cqvbF6K2tYah 18vN0xoiPdjHaEMWDUW8u2VyjYogHSH+boTs9DByFiPD1IuBAdiUOMS1udahnCt4/8uK G0J9Aizmg5cMASjzoRtVd0rLs3A+cydUqhuRcNwCFe++DU8V1ZBhctk+a9UNL3/XeHlS 1rJs+YKf+VDuojtmEDvnh+6x/PMn9oKshumjZSl3m/kr4inDZHj3di5jMt24dda7cx18 EeNQ==
X-Gm-Message-State: AJaThX7lYxFsuzE/WVvVFO/FMKPiw4ENv5QhEJG+EcexKdvxl5SUttx/ 5xHcE8OdIK+KJRrdCBu7DSm4aIyyfMM=
X-Google-Smtp-Source: AGs4zMYUjuIM+UKfywkzacXrNSP3ggq/EDiHlDBLCkcuh+vsis0r1Skh5PyRUfwjj8fvo1d93FKfWw==
X-Received: by 10.98.68.146 with SMTP id m18mr8457388pfi.10.1510541786843; Sun, 12 Nov 2017 18:56:26 -0800 (PST)
Received: from ?IPv6:2001:67c:370:1998:344f:2622:bc20:2ef? ([2001:67c:370:1998:344f:2622:bc20:2ef]) by smtp.gmail.com with ESMTPSA id l22sm34025459pfk.45.2017.11.12.18.56.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 12 Nov 2017 18:56:26 -0800 (PST)
From: Ted Lemon <mellon@fugue.com>
Message-Id: <FAA2EAF2-9E82-499D-A886-885BB0F44727@fugue.com>
Content-Type: multipart/alternative; boundary="Apple-Mail=_2201CF9F-00EF-463E-A49C-636A8F1D55A2"
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: Mon, 13 Nov 2017 10:56:23 +0800
In-Reply-To: <C4A910E8-5103-41D9-902F-B2B834543DF8@gmail.com>
Cc: =?utf-8?Q?Ole_Tr=C3=B8an?= <otroan@employees.org>, Fernando Gont <fgont@si6networks.com>, "v6ops@ietf.org WG" <v6ops@ietf.org>, "6man@ietf.org" <6man@ietf.org>
To: Bob Hinden <bob.hinden@gmail.com>
References: <be9724f5-2ff5-d90c-2749-ecae2c628b78@si6networks.com> <CAKD1Yr0_a2Qm8U4oK+BQU57DeDUD9i-o_+G+YhnH4pVXRxmxxQ@mail.gmail.com> <9d154133-a1de-7774-1589-c7069bf279ee@si6networks.com> <0b45890d-ea4a-47b8-a650-ceb72b066df8@gmail.com> <ea772bfd-4004-7f94-8469-b50e3aff0f29@si6networks.com> <F2330138-6842-4C38-B5A0-FB40BFACD038@employees.org> <e40697ca-8017-c9d2-c25d-89087046c9cf@gmail.com> <207f040a-7fe2-9434-e7a5-f546b26fdf63@strayalpha.com> <CAKD1Yr26NK2osApYZBm8Yd=0X7xcetrxojp6=JHOEAu9BB0q8A@mail.gmail.com> <8ca59610-2d25-2be4-9d2c-9b1a75fd3ace@si6networks.com> <E67105A3-396B-403C-B741-E9E01CFB5CE7@employees.org> <C4A910E8-5103-41D9-902F-B2B834543DF8@gmail.com>
X-Mailer: Apple Mail (2.3273)
Archived-At: <https://mailarchive.ietf.org/arch/msg/ipv6/I9tFlXn1AWKPds3Y8shAQIc2w1M>
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: Mon, 13 Nov 2017 02:56:31 -0000

On Nov 13, 2017, at 10:53 AM, Bob Hinden <bob.hinden@gmail.com>; wrote:
> Good point.  If the document had described this as something like creating virtual interfaces, we might not be having this discussion.

The problem is that there is still required behavior around these "virtual interfaces" that needs to be documented.

E.g., Ole, what happens in your implementation if the router reboots?   What happens if a host chooses a new link-local address?   Etc.