On Fri, June 15, 2007 12:56, Tony Hoyle wrote: > Simon Arlott wrote: >> RIPE will not allow this, each "user" has to get a /48s... > > /48 is massive overkill - RA only works with a /64 anyway (radvd fails > if you pass it anything else, a cisco will just ignore you) so you're > basically throwing 16 bits of useful address space away. > > It sounds like the ipv6 people are making exactly the same mistake that > ipv4 made in the early days - giving away massive blocks that remain > mostly unused. Sure, they've got more to play with, but it's not *that* > much more - the top 2 bits are used for other stuff (so the default > route is always 2000::/3 not 0::/0), so you only have 46 bits left.. > only 16,384 times the space available for ipv4.
You're making the assumption that IPv4 assigns one IP per network, which we know isn't true... when 2000::/3 runs out there's 4000::/3 and more - it's 1/7th of the available space. -- Simon Arlott _______________________________________________ timekeepers mailing list [email protected] https://fortytwo.ch/mailman/cgi-bin/listinfo/timekeepers
