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Re: [dhcwg] [Last-Call] Iotdir last call review of draft-ietf-dhc-v6only-03

Ted Lemon <mellon@fugue.com> Tue, 23 June 2020 18:23 UTC

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From: Ted Lemon <mellon@fugue.com>
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Date: Tue, 23 Jun 2020 14:23:45 -0400
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Cc: IETF <ietf@ietf.org>, Michael Richardson <mcr+ietf@sandelman.ca>, "dhcwg@ietf.org" <dhcwg@ietf.org>
To: Philip Homburg <pch-ietf-7@u-1.phicoh.com>
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Subject: Re: [dhcwg] [Last-Call] Iotdir last call review of draft-ietf-dhc-v6only-03
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On Jun 23, 2020, at 1:39 PM, Philip Homburg <pch-ietf-7@u-1.phicoh.com> wrote:
> I don't know if you consider http://192.0.2.1/ <http://192.0.2.1/> an ancient protocol, but this
> is typically something that breaks with NAT64.

I don’t think this is really relevant to the IoT directorate. A constrained device is not going to be doing this in production.  If your goal is to discuss the question of whether IPv6-only can ever be legitimately asserted on a network, that’s not something that you should Cc: the IoT directorate on.

That said, hard-coded RFC1918 IP literals in URLs are useful for testing, but are simply bad practice for web sites. If your web site relies on this, and end users lose as a consequence, it’s due to your incompetence that they are losing, not due to any failing of the network infrastructure.

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