Why used DHCPv6 when RA has RDNSS and DNSSL?

[Lorenzo Colitti]

On Thu, Apr 2, 2020 at 5:52 PM Gert Doering <gert at space.net> wrote:

> > Independent of the prefix distribution mechanism, it may be worth
> revisiting
> > having a single /48 for an organisation of 40000 employees.
>
> Sure, but if we start handing out /40s like there's enough of them,
> eventually there won't be.
>

You don't need to hand a /40 to every enterprise that asks for it. The
address space necessary can be roughly extrapolated from how much private
IPv4 space is in use. There are some numbers to this effect in RFC 7934
section 9.2 <https://tools.ietf.org/html/rfc7934#section-9.2>.
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