[ppml] Incentive to legacy address holders

[Randy Bush]

> My only purpose in sending the extract from RFC 2050 was simply to 
> point out that the intent of the first IANA (Jon Postel) on this 
> topic is rather clear, even before the formation of ARIN...  one of 
> the three tenets of address space management is conservation, via the
>  fair distribution according to operational needs and via the 
> prevention of stockpiling in order to maximize the lifetime of the IP
>  address space.  One may not have signed an agreement with an RIR 
> which says such, but that doesn't mean it wasn't implicit in your 
> participation in the Internet.

2050 was after most of what we call legacy was allocated.  it was well
into the nsi years, and one year before arin.  most was allocated by the
early '90s.

i not do decry prudence.  but the social contract was much less clear
when most of legacy space was being handed out.

randy