IPv6 reverse zones advise
Sam Wilson
Sam.Wilson at ed.ac.uk
Mon May 10 14:10:19 UTC 2010
In article <mailman.1455.1273495770.21153.bind-users at lists.isc.org>,
Matthew Seaman <m.seaman at infracaninophile.co.uk> wrote:
> This means that the smallest chunk of IP space you can delegate is 16
> addresses, ...
Nitpick: The smallest chunk of IPv6 space you can delegate is a single
address, as you can for IPv4. You could also do RFC 2317 style
delegations to delegate chunks of other sizes, though you might argue
that that's a specially extended case of delegating single addresses
(all those CNAME records!).
Given the standard address granularity in IPv6 (/64 is mandated for
almost all the address space, though there is pressure to allow /126 or
/127 for point to point links) there probably aren't many cases were
you'd want to delegate any further than at the /64 boundary.
Sam
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