Re: [v6ops] draft-templin-v6ops-pdhost a working group draft?

james woodyatt <jhw@google.com> Wed, 29 November 2017 18:44 UTC

Return-Path: <jhw@google.com>
X-Original-To: v6ops@ietfa.amsl.com
Delivered-To: v6ops@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CE482126C22 for <v6ops@ietfa.amsl.com>; Wed, 29 Nov 2017 10:44:42 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2
X-Spam-Level:
X-Spam-Status: No, score=-2 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_NONE=-0.0001, SPF_PASS=-0.001] 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 9_GxKqMTbvBv for <v6ops@ietfa.amsl.com>; Wed, 29 Nov 2017 10:44:41 -0800 (PST)
Received: from mail-pg0-x22c.google.com (mail-pg0-x22c.google.com [IPv6:2607:f8b0:400e:c05::22c]) (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 26A57127337 for <v6ops@ietf.org>; Wed, 29 Nov 2017 10:44:41 -0800 (PST)
Received: by mail-pg0-x22c.google.com with SMTP id o2so1873750pgc.8 for <v6ops@ietf.org>; Wed, 29 Nov 2017 10:44:41 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=syBsChW5zLXnWBA+Wesw/7CubBpMd75yWpqYuMxV2dA=; b=I6agFbv54RQebm68VCiRZaA/pp0r/9sgQfZ1cNQQ+VhxFEnrxe7L2ko82xuLMwox05 /LF2my75FA5R23Elg07SFkZGwchL6tVWRLmwSg4tgGr3JXRbEf3/FWk9BF/tTaSAJlL8 sv+2nOhQwFLtx+1dKJ8v6Y/eXKj4kYUuwrXOcP0OQOEvRTZV865B+uA6vKp8I1pXsuqz TDMMxCXmsxnCrtVdqV25aUsg5fKSf326SqGjOR3Rg1JDchjYCi/Y980Ttz1kykkaVWvl bmNebFBNonWWHbZLIcoCerr8XwMcMa52ru3KHkNaiWy/EpzkVUNgYcWKaECwChiUmiIb 8ttg==
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=syBsChW5zLXnWBA+Wesw/7CubBpMd75yWpqYuMxV2dA=; b=g2qanyfg71yeol7d3gW+jaA6LFGyAMJuOyzr6ngTThjtaRE8qr4bu9/J14DRUNcNv/ kDVhR9FqoD+6GTSSuciX+FOUXoz/5uBLPhSt8iKBvwOaFAt12lMtI2haCZu4bNaa5/5T tJXG89Xycm/MKEVib7s2/dlaSMqSX1hbfSNmUiwMpk1UDuCm7VgTgeTaWoFCUpY+TrJd JIKRFeiSkiLGrfQmXrY8yx2rlwp0W8Hpf2hkQwE88MPe/Jn0ZxkXgsbpFEIm+5/Bm+ja n5ftek57w4yWSDhBAT/lCXA8zmPdhWHJ6nmwgoyyd0gJ4xhQY8Y/aX4ooeCip778oM7d I6Ww==
X-Gm-Message-State: AJaThX6+vJSo6uVc57Y0zT14ySuwz8OAAB6F0KskvjXVTMuMQ0T4qVZ2 FdlwyUAxLsICr/3jUrfX+nXEtQ==
X-Google-Smtp-Source: AGs4zMZfKPYHkdv7eKE6UfL2MUkXcEvh7slahPOJR2WTh42UBvrDOuKJwDMzmub1VFpCcQLxQrOXYg==
X-Received: by 10.99.43.5 with SMTP id r5mr3763373pgr.348.1511981080405; Wed, 29 Nov 2017 10:44:40 -0800 (PST)
Received: from ?IPv6:2620::10e7:10:adcb:890a:a521:8f42? ([2620:0:10e7:10:adcb:890a:a521:8f42]) by smtp.gmail.com with ESMTPSA id k63sm4615120pfk.172.2017.11.29.10.44.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 29 Nov 2017 10:44:39 -0800 (PST)
From: james woodyatt <jhw@google.com>
Message-Id: <42B4C703-00FF-4C44-984D-71D5A7736BE9@google.com>
Content-Type: multipart/alternative; boundary="Apple-Mail=_7DBC2379-EEF7-42B0-8ADB-BC9834B5C26E"
Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\))
Date: Wed, 29 Nov 2017 10:44:49 -0800
In-Reply-To: <CAHaKRvJCabgnc3U-ouZ1ghmwYzOQ+H1fDHwKrac6ghxaH=+Zdw@mail.gmail.com>
Cc: "v6ops@ietf.org" <v6ops@ietf.org>
To: Paul Marks <pmarks@google.com>
References: <34cf035352254aadb3146dffb3baebb0@XCH15-06-08.nw.nos.boeing.com> <CAHaKRvJCabgnc3U-ouZ1ghmwYzOQ+H1fDHwKrac6ghxaH=+Zdw@mail.gmail.com>
X-Mailer: Apple Mail (2.3273)
Archived-At: <https://mailarchive.ietf.org/arch/msg/v6ops/MXU3TCil_ZdYc1swZpBTA-F_Fgg>
Subject: Re: [v6ops] draft-templin-v6ops-pdhost a working group draft?
X-BeenThere: v6ops@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: v6ops discussion list <v6ops.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/v6ops>, <mailto:v6ops-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/v6ops/>
List-Post: <mailto:v6ops@ietf.org>
List-Help: <mailto:v6ops-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/v6ops>, <mailto:v6ops-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 29 Nov 2017 18:44:43 -0000

On Nov 28, 2017, at 17:31, Paul Marks <pmarks@google.com> wrote:
> 
> When delegating to a host, I often wonder whether it's technically
> incorrect to use prefix::0 as a normal address.  Does anyone know for
> sure?

RFC4291 pretty clearly specifies that [$prefix::] is one of the Subnet Router anycast addresses in the set of all subnets where n >= len($prefix), where the IID on the link type is (n - 128), and where the subnet prefix is [$prefix::/n].


--james woodyatt <jhw@google.com <mailto:jhw@google.com>>