RE: Assigning IPv6 /48's to CPE's?

[Donald Stahl <don () calis blacksun org>]

> The only place in which people have noted that there is a possibility
> of running out of bits in the existing IPv6 addressing hierarchy
> is when they look at a model where every residential customer gets
> a /48. In that scenario there is a possibility that we might runout
> in 50 to 100 years from now.
Is it even a possibility then? A /48 to everyone means 48 bits left 
over for the network portion of the address.

That's 281,474,976,710,656 /48 customer networks. It's 16 million times 
the number of class C's in the current IPv4 Internet. Am I just not 
thinking large or long term enough?

-Don