With current use cases at least, yes. What do we know of what's going to happen in a decade or two?
--srs (htc one x) On Sep 17, 2012 5:58 PM, "John Mitchell" <mi...@illuminati.org> wrote: > I think people forget how humongous the v6 space is... > > Remember that the address space is 2^128 (or 340,282,366,920,938,463,463,* > *374,607,431,768,211,456 addresses) to put the in perspective (and a > great sample that explained to me how large it was, you will still get 667 > quadrillion address per square millimetre of the Earth’s Surface. > > There's a great article on the myths and debunks of the address space at > http://rednectar.net/2012/05/**24/just-how-many-ipv6-** > addresses-are-there-really/<http://rednectar.net/2012/05/24/just-how-many-ipv6-addresses-are-there-really/>one > of the things it talks about is the /64 and /48 allocation. > > <snip> > > Given that the first 3 bits of a public IPv6 address are always 001, > giving /48 allocations to customers means that service providers will only > have 2^(48-3) or 2^45 allocations of /48 to hand out > to a population of > approximately 6 billion people. 2^33 is over 8 billion, so assuming a > population of 2^33, there will be enough IPv6 /48 allocations to cater for > 2^(45-33) or 2^12 or 4096 IPv6 > address allocations per user in the world." > </snip> > > - Mitch - > > > On 17/09/12 04:23, Randy Bush wrote: > >> [ yes, there are a lot of idiots out there. this is not new. but ] >> >> "We are totally convinced that the factors that made IPv4 run out of >>> addresses will remanifest themselves once again and likely sooner than >>> a lot of us might expect given the "Reccomendations" for "Best >>> Practice" deployment." >>> >> while i am not "totally convinced," i am certainly concerned. we are >> doing many of the same things all over again. remember when rip forced >> a homogenous, often classful, mask length in a network and we chewed >> through /24s? think /64 in ipv6, except it's half the bits not 1/4 of >> them. remember when we gave out As and Bs willy nilly? look at the >> giant swaths of v6 we give out today in the hopes that someone will >> deploy it. >> >> and don't bs me with how humongous the v6 address space is. we once >> though 32 bits was humongous. >> >> randy >> > > >