[arin-ppml] Did 2008-6 provide what Board needed?

Geoff Huston gih at apnic.net
Tue Apr 14 18:33:37 EDT 2009


Hi,

Yes, the projection on http://ipv4.potaroo.net does account for the  
new global policy. I added this last year, so that IANA exhaustion  
effectively occurs at the point when there are 5 remaining /8s in the  
IANA unallocated pool.

The consumption of IPv4 addresses continues to decline in relative  
terms, and the projected exhaustion dates continue to push out by a  
few months (http://www.potaroo.net/tools/ipv4/predict.png shows the  
predicted exhaustion date over time). The current consumption rate of  
around 12 /8s per year looks rather stable at the moment (http://www.potaroo.net/tools/ipv4-alloc/fig25.png 
) so the 27 remaining IANA /8s look like taking a little over 2 years  
to be used.

regards,

    Geoff







On 15/04/2009, at 5:09 AM, David Farmer wrote:

> On 14 Apr 2009 John Schnizlein wrote:
>
>> Should the start be calculated from exhaustion of IANA's free pool?
>> Recall that IANA's exhaustion will happen sooner than otherwise by  
>> the
>> policy to disperse the last five /8s among the RIRs as soon as the
>> normal allocations reach the last 5.  Actual exhaustion of free IPv4
>> addresses happens when the RIR exhausts its pool.  Various proposals
>> focussed on fairness toward the end might slow consumption of the
>> RIR's pool still more.
>
> Actually further done in my email I think I deal with that, at
> least for my safety trigger and the automatic extension.  I
> reference NRPM 10.4.2.1 and 10.4.2.2 which is where the /8s
> for the RIR are reserved and handed out.   However, I didn't
> correct for that when basing the projected run on from mid-
> 2011, on picking the specfic dates.
>
> Geoff,
>
> Does projection on potaroo.net, account for the new global
> policy: "End Policy for IANA IPv4 allocations to RIRs" and the
> last /8 that it reserves for each RIR?
>
> Could you add that?  Or is the a different projection that
> accounts for that you can point me to?
>
> Thanks
>
>> Your goal of providing less uncertainty is a good one.  Let's not
>> arrange a transfer policy experiment to expire just after the lack of
>> free addresses makes it more important.
>>
>> John
>
>
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