[AusNOG] IPv4

[Robert Hudson]

http://www.nautilus6.org/~thierry/ipv6/node20.html

We aren't running out.  Ever.

On 6 March 2013 20:35, Joshua D'Alton <joshua at railgun.com.au> wrote:

> 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
>>
>
>
> _______________________________________________
> 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/b05b8f65/attachment.html>