On Oct 18, 2010, at 8:16 PM, Robert E. Seastrom wrote: > > sth...@nethelp.no writes: > >> I still haven't seen any good argument for why residential users need >> /48s. No, I don't think "that makes all the address assignments the >> same size" is a particularly relevant or convincing argument. >> >> We're doing /56 for residential users, and have no plans to change >> this. > > If we were to give a /48 to every human on the face of the planet, we > would use about .000025 of the total available IPv6 address space. > > You are to be commended for your leadership in conserving space. Our > children will surely be grateful that thanks to your efforts they have > 99.99999% of IPv6 space left to work with rather than the paltry > 99.9975% that might have been their inheritance were it not for your > efforts. Bravo! >
It makes a bigger difference if everyone starts using 6RD - to give out a /48 effectively requires a /16, and the number of /16s is by no means approximately infinite. Regards Marshall > -r > > >