[ppml] IPv6 initial allocation policy

[Randy Bush]

> As one who was there: proxy aggregation was tried, tested, 
> and rejected by the operational community because of the
> traffic engineeering implications.  Sound familiar?

another way of saying it is that it was not clear that an
'upstream' (or sidestream) had the contractual right to alter
someone else's routing.

hence, almost the only public place(s) proxy aggregation is
used today is by the military, who do have that kind of
authority over their customers.

randy