Re: [v6ops] AWS ipv6-only features

[David Farmer <[e-mail]>]

On Tue, Nov 30, 2021 at 05:53 <[e-mail]> wrote:

> > Typically a hosts gets addresses from DNS. So this suggests that people
> > create DNS RR sets that contains both GUAs and ULAs.
> >
> > Is this common practice somewhere? Do people expect that something
> sensible
> > will happen if you try that? Is it documented what should happen?
>
> Putting ULA addresses into the DNS doesn't sound like a great idea. It
> might work in your lab, I certainly don't expect it to work on the
> global Internet.
>
> Steinar Haug, AS2116


Putting local IPv4 addresses(RFC1918) in the DNS, ideally in a local view,
is quite common, especially in enterprise environments. I would expect ULA
IPv6 addressed in the DNS, ideally in a local view again, to become
commonplace, if/when enterprise adoption of IPv6 by enterprises becomes
commonplace.

So, yes it won’t work very well over the Internet, but that’s the intent,
or in other words that’s a feature, not bug, for those doing such a thing.

Thanks

David Farmer

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