[ppml] Proposed Policy: PI assignments for V6

[Ejay Hire]

Our Primary obstacle to deploying IPV6 at this time is the
cost of a PI allocation.  It's difficult to justify >$2k/yr
for a "next generation" service when "current generation"
IPv4 services seem to be the rule for the forseeable future.

> the fees will be $2,500 plus $2,250/yr for a /32.  Anyone
requesting a
> second allocation pays $20k plus $18k/yr.  That's quite a 
> difference from
> $100/yr.