IETF Logo Mail Archive

Re: [v6ops] Scope of Unique Local IPv6 Unicast Addresses (Fwd: New Version Notification for draft-gont-6man-ipv6-ula-scope-00.txt)

David Farmer <farmer@umn.edu> Thu, 18 February 2021 19:24 UTC

Return-Path: <farmer@umn.edu>
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 E20B53A158F for <v6ops@ietfa.amsl.com>; Thu, 18 Feb 2021 11:24:04 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.098
X-Spam-Level:
X-Spam-Status: No, score=-2.098 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable 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 09xkMfeArvlU for <v6ops@ietfa.amsl.com>; Thu, 18 Feb 2021 11:24:03 -0800 (PST)
Received: from mta-p8.oit.umn.edu (mta-p8.oit.umn.edu [134.84.196.208]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 3FACE3A1590 for <v6ops@ietf.org>; Thu, 18 Feb 2021 11:24:03 -0800 (PST)
Received: from localhost (unknown [127.0.0.1]) by mta-p8.oit.umn.edu (Postfix) with ESMTP id 4DhPlQ5tPzz9vrBm for <v6ops@ietf.org>; Thu, 18 Feb 2021 19:24:02 +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 Hfsiloud8QL9 for <v6ops@ietf.org>; Thu, 18 Feb 2021 13:24:02 -0600 (CST)
Received: from mail-ed1-f69.google.com (mail-ed1-f69.google.com [209.85.208.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mta-p8.oit.umn.edu (Postfix) with ESMTPS id 4DhPlQ2R5Xz9vrC4 for <v6ops@ietf.org>; Thu, 18 Feb 2021 13:24:02 -0600 (CST)
DMARC-Filter: OpenDMARC Filter v1.3.2 mta-p8.oit.umn.edu 4DhPlQ2R5Xz9vrC4
DKIM-Filter: OpenDKIM Filter v2.11.0 mta-p8.oit.umn.edu 4DhPlQ2R5Xz9vrC4
Received: by mail-ed1-f69.google.com with SMTP id bd22so1360209edb.4 for <v6ops@ietf.org>; Thu, 18 Feb 2021 11:24:02 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=umn.edu; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=0IYR1hSmHLorHgR0h7xTcyZpcY070SoRdE1AvgtViOo=; b=KJascMN7QoZ71OhDmSPqGWww3S07xnjPXTT8LYyTcIqbu50YRvemn1ztcGDRqNtTJ7 4WlSQq5XKCNByk4rJKF9muoBstYTf4ECUBtA6YeqebdUpd+Pc3RGB69mv6BotAzAaHHV uthMNr+OO7whhqfSNLaY9YDY+8LKJPFhXZVd9W3KRDz1r0SwmMy+BjmtbkRa/qW/54jL 9BfAi58ycBnFFb/rVbcctSa39Ai6Vh4cvfekMxhlRne0Cr8pX1uRIodHfgKltBGR+Huh KQGqdtFdhsEPRmtOvaJAEmlFv0kvZZ99frtzKh7gFB66liBrzMFVy3NMcGTs46SGSqvV bwuA==
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=0IYR1hSmHLorHgR0h7xTcyZpcY070SoRdE1AvgtViOo=; b=SYiEWQpxxZv3yPJaTOgdn6LjZ1jbBU1bGExWibT9CCTz1umdEVD5WMlnaJirucu/w+ Be5RcfZ5+UOB3X6c13k7nt5EuPGKwjctE8LlJO9Sh24eo9UnDvvoYUOqnuJaJy5u5bNo 5vsSVbd4AnRj7/EYAgFN9W8QHaN5sKZPablyuow3UtVVwPMf1C//3iNVqMvl54FcPV2F gEoxEjIoVo0fnNizq+ddUsoz5bbSAM9qo/pvs54i2PcjnChrviAlSEL/91RqC2oPXdz1 kodcamnwbSj8gptpddGWzZnUlnTQN+T8cgfI0N8FL6xXWJ3UZNtiyYETIyTSt01ad8h7 omaQ==
X-Gm-Message-State: AOAM531DfIAQkjq5wa7qgqS6RfkypDbHiGlp5Lw7yDjvsLInVl+en7zg n09QNfBGYthP1Hx8CXFkr0SdkOubzbcVGlY8f9VmsHjjgr1+qtgWZmmOfTdXUiRc8dxlLNHDupf mQmcNPIsRD40f8fqySM7vVxJvfA==
X-Received: by 2002:a05:6402:5193:: with SMTP id q19mr5701462edd.264.1613676240048; Thu, 18 Feb 2021 11:24:00 -0800 (PST)
X-Google-Smtp-Source: ABdhPJyh3BtzW5lpjEO6W2bK0swLHC/0y17aIvyg61T+QhOw+de/kdWWNTl/nwyJb64bgrLrTrpuRMplB+F5XDR1gkU=
X-Received: by 2002:a05:6402:5193:: with SMTP id q19mr5701442edd.264.1613676239646; Thu, 18 Feb 2021 11:23:59 -0800 (PST)
MIME-Version: 1.0
References: <f96fc064b72c4b2eb63f80c26246c94e@boeing.com> <CAN-Dau3aBV3HZavo0+H-YFe6SHztxjP_STBY-cvyvMpamRf=Uw@mail.gmail.com>
In-Reply-To: <CAN-Dau3aBV3HZavo0+H-YFe6SHztxjP_STBY-cvyvMpamRf=Uw@mail.gmail.com>
From: David Farmer <farmer@umn.edu>
Date: Thu, 18 Feb 2021 13:23:43 -0600
Message-ID: <CAN-Dau1157A6CC4hOptiDXy5b8aed06RNqzrHFcOvahUBaaCZQ@mail.gmail.com>
To: "Templin (US), Fred L" <Fred.L.Templin@boeing.com>
Cc: IPv6 Operations <v6ops@ietf.org>, "6man@ietf.org" <6man@ietf.org>
Content-Type: multipart/alternative; boundary="0000000000000c0de505bba147ed"
Archived-At: <https://mailarchive.ietf.org/arch/msg/v6ops/uuVY8yeiRDxVwg9NvHfBLdOoK4w>
Subject: Re: [v6ops] Scope of Unique Local IPv6 Unicast Addresses (Fwd: New Version Notification for draft-gont-6man-ipv6-ula-scope-00.txt)
X-BeenThere: v6ops@ietf.org
X-Mailman-Version: 2.1.29
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: Thu, 18 Feb 2021 19:24:05 -0000

Oh, and /127 for point-to-point links.

On Thu, Feb 18, 2021 at 1:20 PM David Farmer <farmer@umn.edu> wrote:

> At least in my opinion it is a GUA, GUAs of prefix length /64 and /128 are
> both completely legal, it is in between the two that violate the /64 rule.
>
> On Thu, Feb 18, 2021 at 10:14 AM Templin (US), Fred L <
> Fred.L.Templin@boeing.com> wrote:
>
>> Hi, I have seen the discussion on LLA/ULA/GUA and even think I understand
>> it. But,
>>
>> I’d like to add another twist to the discussion. There is another “kind”
>> of IPv6 address
>>
>> called the “HIT” defined in RFC7401, and a variant called the “HHIT” that
>> is defined
>>
>> in ‘draft-ietf-drip-rid’. These addresses use a common GUA prefix
>> (shorter than /64)
>>
>> with the remainder of the address containing a cryptographically
>> generated suffix.
>>
>> They therefore resemble GUAs, but they are not aggregatable so at best
>> could be
>>
>> used as host routes. The documents are vague on whether the (H)HIT is
>> assigned
>>
>> to an interface (which is a necessary property of any IPv6 address), but
>> if they were
>>
>> couldn’t the (H)HIT be used as an IPv6 source/destination address within
>> a limited
>>
>> scope – perhaps in an edge network that deals only with host routes? If
>> so, then
>>
>> where would (H)HIT fall in terms of the scoped addressing architecture?
>>
>>
>>
>> Fred
>> _______________________________________________
>> v6ops mailing list
>> v6ops@ietf.org
>> https://www.ietf.org/mailman/listinfo/v6ops
>>
>
>
> --
> ===============================================
> 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
> ===============================================
>


-- 
===============================================
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
===============================================

v2.23.0 | Report a Bug | By Email