[arin-ppml] Policy Proposal: Open Access To IPv6

Owen DeLong owen at delong.com
Mon Jun 1 15:55:46 EDT 2009

On May 30, 2009, at 8:56 PM, Garry Dolley wrote:

> On Sat, May 30, 2009 at 07:51:25PM -0700, Matthew Kaufman wrote:
>> Garry Dolley wrote:
>>> There are not enough /32 subnets to give away to everyone.  There
>>> are as many /32 subnets in IPv6 as there are in IPv4.  Just in IPv4,
>>> the /32 subnet just held 1 address.  We are running out of IPv4, so
>>> by the same token, if we liberally give away /32's in IPv6, we'll
>>> face the same exhaustion.
>> That doesn't follow. We're talking about /48s and single /32s, not  
>> giving
>> out 256-65535 /32s to the typical early entrant entities as was  
>> done with
>> IPv4.
> What part doesn't follow?  There are 4G IPv4 addresses (/32) and
> there are 4G IPv6 subnets of /32 in size.
His point is that the comparison in question is largely irrelevant since
an IPv4 /32 addresses a single node and an IPv6 /32 addresses an
entire mid-size ISP.


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