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Re: I-D Action: draft-ietf-6man-ipv6only-flag-03.txt

Ole Troan <otroan@employees.org> Fri, 19 October 2018 13:56 UTC

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Subject: Re: I-D Action: draft-ietf-6man-ipv6only-flag-03.txt
From: Ole Troan <otroan@employees.org>
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Date: Fri, 19 Oct 2018 15:56:33 +0200
Cc: Job Snijders <job@ntt.net>, 6man WG <ipv6@ietf.org>
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> I don't see how it would, since it doesn't mandate the hosts to do anything.
> 
> "Dual stack hosts that have a good reason to use IPv4, for example for
>   a specific IPv4 link-local service, can attempt to do so.  Therefore
>   respect of the IPv6-Only flag is recommended, not mandatory, for
>   hosts."

There should be a SHOULD disable IPv4 processing on the interface in there somewhere.
If it is not then I think the SHOULD MUST be added.

Ole

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