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Re: Alternatives to the flag (Was:Confirmation to advance: draft-ietf-6man-ipv6only-flag-05)

Mark Smith <markzzzsmith@gmail.com> Thu, 16 May 2019 01:02 UTC

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From: Mark Smith <markzzzsmith@gmail.com>
Date: Thu, 16 May 2019 11:01:49 +1000
Message-ID: <CAO42Z2xjkFQjYX_fjbTEekXrGce1z0PA8h7KUvpFQgY3EP7Wkg@mail.gmail.com>
Subject: Re: Alternatives to the flag (Was:Confirmation to advance: draft-ietf-6man-ipv6only-flag-05)
To: Brian E Carpenter <brian.e.carpenter@gmail.com>
Cc: Nick Hilliard <nick@foobar.org>, David Farmer <farmer@umn.edu>, 6man WG <ipv6@ietf.org>
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On Thu, 16 May 2019 at 06:45, Brian E Carpenter
<brian.e.carpenter@gmail.com> wrote:
>
> On 16-May-19 01:34, Nick Hilliard wrote:
> > David Farmer wrote on 15/05/2019 14:27:
> >> So, I'm not willing to drop what I think is a viable solution to the
> >> problem unless other stakeholders are willing to buy into this kind of
> >> change. In particular, I'm thinking the people maintaining mDNS in dnssd
> >> wg. I can't see making the change proposed above without their buy-in.
> > [...]
> >> So I think we either need the flag or disable RFC 3927 by default on
> >> dual-stack hosts.
> >
> > RFC 2563 already specifies a protocol to turn off ipv4 LLs.
>
> Yes, an IPv4-based mechanism. The proposal stipulates that we want a mechanism for IPv6-only networks to signal to dual-stack hosts, as did draft-ietf-sunset4-noipv4. That is of course looking to the future, not to most current networks.
>

IPv6 Only means only IPv6.


>     Brian
>
>
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