Re: [IPv6] Second Working Group Last Call for <draft-ietf-6man-rfc6724-update>

Michael Richardson <mcr+ietf@sandelman.ca> Fri, 12 April 2024 12:19 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: IPv6 List <ipv6@ietf.org>
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Date: Fri, 12 Apr 2024 08:19:10 -0400
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Archived-At: <https://mailarchive.ietf.org/arch/msg/ipv6/Mw9vgP1y64boJsV7WoTccFlYNQM>
Subject: Re: [IPv6] Second Working Group Last Call for <draft-ietf-6man-rfc6724-update>
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David Farmer <farmer=40umn.edu@dmarc.ietf.org> wrote:
    > I believe that requiring a preference for known-local ULAs, with GUA and
    > IPv4 preferred over other ULAs, is the robust solution to the leakage of
    > local naming and addressing into the global scope that we need.

+1

I am trying to stay out of this thread, because I think we are way beyond the
rough consensys state.  The views are clear from each person.
I don't believe that the above policy will be a problem for embeddable
operating systems; *nux will actually the biggest challenge with it.

    > As for your VPN example, if the VPN uses ULA, then you would expect the
    > host will have an address from the VPN and would be a known-local ULA, and
    > this heuristic will work as intended.

And, as soon as communication with the ULA is attempted, the VPN will engage.


--
Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
           Sandelman Software Works Inc, Ottawa and Worldwide