Re: I-D Action: draft-carpenter-6man-rfc6874bis-00.txt

Brian E Carpenter <brian.e.carpenter@gmail.com> Thu, 08 July 2021 22:16 UTC

Return-Path: <brian.e.carpenter@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 6C1C23A22C9 for <ipv6@ietfa.amsl.com>; Thu, 8 Jul 2021 15:16:40 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.435
X-Spam-Level:
X-Spam-Status: No, score=-2.435 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, FREEMAIL_FROM=0.001, NICE_REPLY_A=-0.338, RCVD_IN_DNSWL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=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 2ugPl9S7dJyi for <ipv6@ietfa.amsl.com>; Thu, 8 Jul 2021 15:16:36 -0700 (PDT)
Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) (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 F39813A22C6 for <ipv6@ietf.org>; Thu, 8 Jul 2021 15:16:35 -0700 (PDT)
Received: by mail-pj1-x102a.google.com with SMTP id p14-20020a17090ad30eb02901731c776526so4769013pju.4 for <ipv6@ietf.org>; Thu, 08 Jul 2021 15:16:35 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=zX8/ncAvVqbQdKwkbXbslhdTayirPxIQCTr5o2UB6o8=; b=vM6VY0j25bZKu7Dy5BjGxGBxipVdMsXk+gxzYR6FKFKKARHOFhkTo5KKCwMmBSpWzc NKuFcvgQsAxRcpNgW9YlmM0H3P2tg+8HpMuWrPbi6dXZSNI3AKZRcgG7Pc8AumFuGR/k YAlTyVB03p4BXc0N/4MyYk1dzRDUXzMKAyAAF9DZWfOsQdb2xjLyxNkRq5JBqLeunbig MN65tfXhwnaT7rEv3XUL2jbYOVj8rqWLvfyacmAJJmsDVQ+DroeBUgthFiIFXtRh99s+ SYH8wZF75noDx/x+6KaZfxrp8KDPM6zRxZlACd6Je9MBPHo8T8GXbaswbWQy1N5aQtAO MBvQ==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=zX8/ncAvVqbQdKwkbXbslhdTayirPxIQCTr5o2UB6o8=; b=dgGiX1zAO3pOjh4W+lZBiqrSXTNRzjRHFSaBgmNGavXAUpWHpa3wgFz0rcCEDTgFNf nRaWQzX3lonL7krO9R1WzVyf8K9B6U234/aEZzDOeD4fRnQfrb90g0CDey3oUr7DUlmN b2e1Z8EY+Afm2iG0OP90Ga1QEGhJtZWuvXwrBcaMaHMp/3uaA6dSlQ4LB5eusEDBkmnk R4ghfx4vw9xTY+Kms1O36fLqYByO2uv773Kms+ePfWIzuuIS+Kcc3v4HFBVtiKFfaJN+ YgMmh9sn7yXq4etu5d6CXudsFDXyizj7K6hIA5BAjhy0803qgNnndnWUpTQM4oomHE+w XP4A==
X-Gm-Message-State: AOAM5306koRGBcnDFzW4GHP5o7pguLqahzz+7d0ED8UtK8kKQWqGCkFi dUYOUIbJZREO/ST/sd3eZn03NLO72TUztw==
X-Google-Smtp-Source: ABdhPJzHwnrs/vRHFLjkHr/E/fN0xNluVWt6maZOnTlSwjs/+m14PA+SxdxVMuz06CBbCdEjvtUkqA==
X-Received: by 2002:a17:90a:9f06:: with SMTP id n6mr12059180pjp.92.1625782594763; Thu, 08 Jul 2021 15:16:34 -0700 (PDT)
Received: from ?IPv6:2406:e003:1188:5b01:80b2:5c79:2266:e431? ([2406:e003:1188:5b01:80b2:5c79:2266:e431]) by smtp.gmail.com with ESMTPSA id g123sm3806655pfb.187.2021.07.08.15.16.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 08 Jul 2021 15:16:34 -0700 (PDT)
Subject: Re: I-D Action: draft-carpenter-6man-rfc6874bis-00.txt
To: Michael Richardson <mcr+ietf@sandelman.ca>, Philip Homburg <pch-ipv6-ietf-7@u-1.phicoh.com>, ipv6@ietf.org
References: <162545101341.19246.8566193740265797873@ietfa.amsl.com> <95a7dbe5-e0a3-4676-9dcc-005ff53725e0@gmail.com> <CA+9kkMD3iSgo-KMM5Ed8bVnVCu_G3f2kB6zHKoOx2ta=x8QucA@mail.gmail.com> <CANMZLAbmdWHDRBPpHgy_e4_0-WUVW2gjnbXWwu2pF_xi-S0vWQ@mail.gmail.com> <87a6n13y0j.fsf@ungleich.ch> <CA+9kkMBx4F0FGZasdk11ogyCOwQZecAEkO4JbECDr4osySN-4w@mail.gmail.com> <01289d8c-a470-1867-448f-3d616647ba5f@gmail.com> <87bl7flww8.fsf@ungleich.ch> <6771.1625578366@localhost> <m1m19WD-0000EXC@stereo.hq.phicoh.net> <e90a069c-873f-6c93-29f0-b69c9430b66b@gmail.com> <m1m1Qie-0000FLC@stereo.hq.phicoh.net> <26758.1625758150@localhost>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Message-ID: <54c7739a-6fb6-7e20-7b9f-3c1a8b6a613b@gmail.com>
Date: Fri, 9 Jul 2021 10:16:29 +1200
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0
MIME-Version: 1.0
In-Reply-To: <26758.1625758150@localhost>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/ipv6/mx8XAW8_CA7ujQqhcWdPwsSCyCM>
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: Thu, 08 Jul 2021 22:16:40 -0000

On 09-Jul-21 03:29, Michael Richardson wrote:
> 
> Philip Homburg <pch-ipv6-ietf-7@u-1.phicoh.com> wrote:
>     > If we would introduce a command like
>     > 'set-default-interface-for-link-local eth0'
>     > that makes zone ID 0 available, then a URL like http://[fe80::abcd]/
>     > could work. No change needed to browsers, no complex syntax.
> 
> That an interesting option/workaround.
> I suspect that the Linux networking people would accept a patch.
> I understand that Windows does this already when there is a single
> non-loopback interface.

Windows just does it, no need for a pseudo-zone %0, although it does work.
This is desirable behaviour, but I don't see that it has anything to do
with the URI syntax.

In what follows, the target (Android phone) is on WiFi which is bridged to
Ethernet, and the Windows host is connected to both. %7 is Ethernet and
%23 is WiFi.

C:\WINDOWS\system32>ping fe80::de55:83ff:fe46:cdcb

Pinging fe80::de55:83ff:fe46:cdcb with 32 bytes of data:
Reply from fe80::de55:83ff:fe46:cdcb: time=553ms
Reply from fe80::de55:83ff:fe46:cdcb: time=50ms
Reply from fe80::de55:83ff:fe46:cdcb: time=68ms
Reply from fe80::de55:83ff:fe46:cdcb: time=77ms

Ping statistics for fe80::de55:83ff:fe46:cdcb:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 50ms, Maximum = 553ms, Average = 187ms

C:\WINDOWS\system32>ping fe80::de55:83ff:fe46:cdcb%7

Pinging fe80::de55:83ff:fe46:cdcb%7 with 32 bytes of data:
Reply from fe80::de55:83ff:fe46:cdcb%7: time=80ms
Reply from fe80::de55:83ff:fe46:cdcb%7: time=96ms
Reply from fe80::de55:83ff:fe46:cdcb%7: time=104ms
Reply from fe80::de55:83ff:fe46:cdcb%7: time=113ms

Ping statistics for fe80::de55:83ff:fe46:cdcb%7:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 80ms, Maximum = 113ms, Average = 98ms

C:\WINDOWS\system32>ping fe80::de55:83ff:fe46:cdcb%23

Pinging fe80::de55:83ff:fe46:cdcb%23 with 32 bytes of data:
Reply from fe80::de55:83ff:fe46:cdcb%23: time=47ms
Reply from fe80::de55:83ff:fe46:cdcb%23: time=53ms
Reply from fe80::de55:83ff:fe46:cdcb%23: time=66ms
Reply from fe80::de55:83ff:fe46:cdcb%23: time=74ms

Ping statistics for fe80::de55:83ff:fe46:cdcb%23:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 47ms, Maximum = 74ms, Average = 60ms

C:\WINDOWS\system32>ping fe80::de55:83ff:fe46:cdcb%0

Pinging fe80::de55:83ff:fe46:cdcb with 32 bytes of data:
Reply from fe80::de55:83ff:fe46:cdcb: time=206ms
Reply from fe80::de55:83ff:fe46:cdcb: time=107ms
Reply from fe80::de55:83ff:fe46:cdcb: time=216ms
Reply from fe80::de55:83ff:fe46:cdcb: time=19ms

Ping statistics for fe80::de55:83ff:fe46:cdcb:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 19ms, Maximum = 216ms, Average = 137ms

   Brian