Re: Last Call: <draft-ietf-dnsop-root-loopback-02.txt> (Decreasing Acces

In article 
<b7e7d7da6cad1c28909a241714fb3a89(_at_)mail(_dot_)mandelberg(_dot_)org> you 
write:
> Section 2 says:
>
>    o  The system MUST be able to run an authoritative server on one of
>       the IPv4 loopback addresses (that is, an address in the range
>       127/8).
>
> Why is there a requirement for an *IPv4* loopback address? Is there any 
> problem with running on the IPv6 loopback address?
There's only one v6 loopback address, and it often has a local DNS
cache listening.

R's,
John