[ppml] IPv6 flawed?

> ... nothing prevents any network admin from simply picking an unused portion
> of the IPv6 space and calling that private and slapping an IPv6 NAT in front
> of it.

easier and less risky to use ULA (see RFC 4193).  it's when you want to be
able to do ad-hoc networking with partners and customers that the lack of
centralized WHOIS and IN-ADDR will bite you (with either the RFC 4193
approach or the above-quoted suggestion, equally.)