On 29 Jul 2010, at 8:00, Matthew Walster wrote: > On 29 July 2010 15:49, Owen DeLong <o...@delong.com> wrote: >> If we give every household on the planet a /48 (approximately 3 billion >> /48s), we consume less than 1/8192 of 2000::/3. > > There are 65,536 /48s in a /32. It's not about how available 2000::/3 > is, it's hassle to keep requesting additional PA space. Some ISPs > literally have millions of customers.
Why would you initially request and receive a /32 if you know that you'll need far more space to assign subnets to all your customers? > All I'm saying is, why waste the space when they're only going to need > 1 subnet? If they want more than one subnet, give them a /48,/56,/60 > or whatever, as requested. There's a good chance that you want to keep your customers for the long haul. There's a good chance that in the long run multi-subnet home networks will become the norm. Leo