[ppml] Combining Forecasts

[David Conrad]

> If we are going to use the forecasts to incent people to move from  
> IPv4
> to IPv6 then we should be as accurate as possible.

It is a bit challenging to model human behavior.

How do you model a "run on the bank"?

How do you model a transition of public space to NAT'd space as an  
effort towards conservation?

Projections such as Geoff's and Tony's are useful, but I do not  
believe they are something you should bet your house on.

Regards,
-drc