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Re: slaac-renum: New rev of draft-gont-6man-slaac-renum (Fwd: New Version Notification for draft-gont-6man-slaac-renum-08.txt)

Philip Homburg <pch-ipv6-ietf-6@u-1.phicoh.com> Mon, 01 June 2020 16:51 UTC

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Subject: Re: slaac-renum: New rev of draft-gont-6man-slaac-renum (Fwd: New Version Notification for draft-gont-6man-slaac-renum-08.txt)
From: Philip Homburg <pch-ipv6-ietf-6@u-1.phicoh.com>
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Date: Mon, 01 Jun 2020 18:51:22 +0200
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>> I stop responding in this discussion. I said ULAs work fine if they are
>> not in the policy table. 
>
>Perhaps, but then address selection works *differently*, and application layer
> code may be affected as a result. For that reason, they belong in this discus
>sion as a special case.

My point is that currently it is possible to introduce a 3rd type of 
global addresses without changes to the host. For example, a company may
use two ULA prefixes internally with completely different semantics.

This draft breaks that because it introduces new failure modes.

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