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Re: [BEHAVE] [DNSOP] [v6ops] New Version Notification for draft-momoka-v6ops-ipv6-only-resolver-00.txt

Michael Richardson <mcr+ietf@sandelman.ca> Sun, 16 October 2022 20:53 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Joe Abley <jabley@hopcount.ca>, dnsop <dnsop@ietf.org>, 6man list <ipv6@ietf.org>, behave@ietf.org, v6ops@ietf.org
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Date: Sun, 16 Oct 2022 16:53:23 -0400
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Subject: Re: [BEHAVE] [DNSOP] [v6ops] New Version Notification for draft-momoka-v6ops-ipv6-only-resolver-00.txt
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Joe Abley <jabley@hopcount.ca> wrote:
    > My feeling is that it's far more common to find dual-stack nameservers
    > reachable directly by v6-only and v4-only clients than it is to find
    > services that the requested names refer to that are dual-stack and
    > similarly reachable. On the face of it this seems like the opposite
    > assumption than the one you describe above.

I would say the same thing.
DNS operators (whether outsourced or on-prem), seem way more proactive about
v6 support than other parts of organizations.  I think that's because
recursive nameserves effectively have always done an equivalent to "happy
eyeballs", so the risk is low.

There are exceptions:  ipv6.bell.ca is one.


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

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