Re: 64share v2

Lorenzo Colitti <lorenzo@google.com> Tue, 10 November 2020 10:16 UTC

Return-Path: <lorenzo@google.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 6B5E13A0EF0 for <ipv6@ietfa.amsl.com>; Tue, 10 Nov 2020 02:16:18 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -17.599
X-Spam-Level:
X-Spam-Status: No, score=-17.599 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=google.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 4XKGqAspqnBZ for <ipv6@ietfa.amsl.com>; Tue, 10 Nov 2020 02:16:13 -0800 (PST)
Received: from mail-il1-x12f.google.com (mail-il1-x12f.google.com [IPv6:2607:f8b0:4864:20::12f]) (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 F328A3A1039 for <ipv6@ietf.org>; Tue, 10 Nov 2020 02:16:06 -0800 (PST)
Received: by mail-il1-x12f.google.com with SMTP id z2so11379530ilh.11 for <ipv6@ietf.org>; Tue, 10 Nov 2020 02:16:06 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=YGxRY1BNhm3q3XBlmpIEdNYUVQP9CER4HKIo/65QN0k=; b=stF7pD7PXNPqlv00G03MqWyYWgfI7x8A1GleplKSAw/JacYL6uQe9biteyFPa+mrAp BuY79hKi1vqQI6vfbiEJ/toA4Rf4gEpezshTCjyGJlktFGQMzdjNvv/WhQbO8KuyppVL trtKT2mE95kD1Lu7rHhwHa5iEpFcMF0Fb6TT0IpDtjRqWNXbPfbxYTNG9D25UGzt7iDw J/toVUeUWKnMgK0io7i7sjTnUGKFkywDe9fpwfV1HoC5iNVq82PotXHCRWlxnAGGw+rP 3zrVbdSbtzAxgR4uTY+Mg/QomZOVbayeitJ/gAZ4cXoyPplPrYHVNHYBnL8DBsNOJSN6 d5og==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=YGxRY1BNhm3q3XBlmpIEdNYUVQP9CER4HKIo/65QN0k=; b=cOiRK8UKwRM2NfB3fyLfiHpcOSDNRTVndCslXuBopR5uXj+wNAraDgukRNcZxCKYDM Q8Htt+180/ttPUDEp4uz8w8a9jEIUdMXpbDnhLyqFQs9U34Az0pA3YO8ZrHryUl1Z3lW UI1NORn89Nh/9LUtB39BEAclX87G89m4YLF6rlWavPiroS5Y8pIYS8pkK52iI5h0hfMv yX5xVIuBE3/ooiZ8he822ha/gWztry3CrOCQ3z8yknimc099XLqywSuZDU6n/Qp2Ky0V /LRAYnEfMnh2DdI65vPnGt3lDyRrqRG0OZvILCpvyVjb9Hdu0y/Tl6qG6+xbOyRJBNdh Bpxw==
X-Gm-Message-State: AOAM532f+V7HkkQKJDiyKg/kpm0W2dh1OSNu3ZarLL+uyOjkxWR5vBnO SQvqikK8A03gvqhz7OW6wX3vjfxMVtUHXpmUg7tOVQ==
X-Google-Smtp-Source: ABdhPJxX6Ho5Vf06S8tiIyFob2si/Vy/Q4N3EBVVReI1tzTmFBLno48x4EZA1PzpJr89LH8zH93TA4GfU3pdVYGIX2g=
X-Received: by 2002:a92:c5b1:: with SMTP id r17mr14427413ilt.229.1605003366087; Tue, 10 Nov 2020 02:16:06 -0800 (PST)
MIME-Version: 1.0
References: <CAD6AjGR-NE_sJ_jp7nAT6OvNkcdE9qoWuGEiiVW7r9YtsQvbbw@mail.gmail.com> <CAKD1Yr0G8PjzE+pULte_AaOi=RHMLyto-YUQerGjQ=iOYnz+iA@mail.gmail.com> <0986B112-2159-4045-87F9-876B58F1D896@employees.org>
In-Reply-To: <0986B112-2159-4045-87F9-876B58F1D896@employees.org>
From: Lorenzo Colitti <lorenzo@google.com>
Date: Tue, 10 Nov 2020 19:15:54 +0900
Message-ID: <CAKD1Yr0h9=7p+n=qnH1o1EHqtPrsaYebgvHciOJpP3=iXgNgKQ@mail.gmail.com>
Subject: Re: 64share v2
To: Ole Troan <otroan@employees.org>
Cc: Ca By <cb.list6@gmail.com>, Erik Kline <ek@loon.com>, Mikael Abrahamsson <swmike@swm.pp.se>, 6man WG <ipv6@ietf.org>
Content-Type: multipart/alternative; boundary="000000000000803d0d05b3bdf7ca"
Archived-At: <https://mailarchive.ietf.org/arch/msg/ipv6/gCuomZUeDVaiPzRAbTcsJaOfAag>
X-BeenThere: ipv6@ietf.org
X-Mailman-Version: 2.1.29
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: Tue, 10 Nov 2020 10:16:18 -0000

On Tue, Nov 10, 2020 at 7:13 PM <otroan@employees.org> wrote:

> RA in general is a one to many protocol. Providing configuration
> information tothe attached link.
> Which is not the intended case here.
>
> I suppose you could restrict this option to point to point link or unicast
> RA only.
> And make a new option. You will end up re-inventing PD though.
>

Right, the draft says that this must only be used on P2P links.

The biggest concern is that delegated prefix is expected to have a lifetime
> equivalent to the L2 link state.
> We don't know how to build networks with those properties...
>

3GPP networks do have this property. The PIO lifetime in the RA is set to
infinite and the actual lifetime is the link lifetime. By and large that
seems to work in practice :-)