[AusNOG] IPv4

[Joshua D'Alton]

I dunno, we still might run out. And I only say this half facetiously, what
if people have an IP for every key, pet, book, dildo, appliance, etc..

On Wed, Mar 6, 2013 at 7:42 PM, Mark Newton <newton at atdot.dotat.org> wrote:

>
> On 06/03/2013, at 12:44 PM, Noel Butler <noel.butler at ausics.net> wrote:
>
> > On Tue, 2013-03-05 at 09:44 +1100, Mark Andrews wrote:
> >>
> >> In message <1362435579.7275.5.camel at tardis>, Noel Butler writes:
> >> >
> >> > On Mon, 2013-03-04 at 21:28 +0000, Bevan Slattery wrote:
> >> > All the ipv6 fanbois here today going  we will never run out blah blah
> >> > blah should remember one thing (especially dishing out /64's to end
> >> > users) ...  I'm sure that's exactly the same train of thought the ipv4
> >> > guys had twenty years ago.
> >>
> >> And you would be wrong.  The designers of IPv4 knew that 32 was not
> >
> >
> > I guess we will see,  in twenty years from now
>
>
> 20 years is 7300 days.
>
> The IPv4 Internet has 2^32 addresses.
>
> Lets say we were going to assign a /64 IPv6 subnet for every IPv4 address.
>  And furthermore,
> let's say we were going to do it again every single day for 20 years.
>
> At the end, we'd have assigned 31,353,261,260,800 IPv6 /64 subnets.
>
> The 128 bit address space provides for 18,446,744,073,709,551,616 IPv6 /64
> subnets.
> At 2^32 /64 subnets per day, that's enough for 4,294,967,296 days,
> equivalent to
> nearly 12 million years.
>
> I think we'll have enough.  We'll have enough even if we egregiously waste
> them.  And
> IANA has only released 25% of the total address space thus far, so if it
> turns out that
> we burn through that in less than a century we'll be able to pick a
> different, slower
> allocation strategy for the remaining 75%.
>
>   - mark
>
> _______________________________________________
> AusNOG mailing list
> AusNOG at lists.ausnog.net
> http://lists.ausnog.net/mailman/listinfo/ausnog
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ausnog.net/pipermail/ausnog/attachments/20130306/9d09d727/attachment.html>