[arin-ppml] Draft Policy ARIN-2019-21: Reserved Pool Replenishment

Fernando Frediani fhfrediani at gmail.com
Thu Dec 26 19:38:31 EST 2019

There are two points to analyze in this proposal:

- Any returned, reclaimed or revoked addresses that belong originally to 
the reserved pools to be returned to them. I think this was pretty 
obvious and was already done this way and wouldn't be necessary to state 
it again. Could the author show that this is not the way it is currently 
done then I am fine to support this part.

- With regards returning any other returned, reclaimed or revoked 
resources that were not from the reserved pools to them, although I see 
the good intent of it I find it difficult to support it as we don't know 
numbers related to this at the present. The numbers of assignments from 
these reserved pools, the amount available and the forecast for it are 
necessary for this analysis.
Also it seems that three-year supply a long time for it to be kept. If 
the numbers mentioned point to the direction of the need of replenishing 
for these pools then the it may be necessary to review and discuss the 
supply time better. Without this information I cannot support this part 
of the proposal yet.


On 24/12/2019 11:41, ARIN wrote:
> On 19 December 2019, the ARIN Advisory Council (AC) accepted 
> "ARIN-prop-281: Reserved Pool Replenishment" as a Draft Policy.
> Draft Policy ARIN-2019-21 is below and can be found at:
> https://www.arin.net/participate/policy/drafts/2019_21/
> You are encouraged to discuss all Draft Policies on PPML. The AC will 
> evaluate the discussion in order to assess the conformance of this 
> draft policy with ARIN's Principles of Internet number resource policy 
> as stated in the Policy Development Process (PDP). Specifically, these 
> principles are:
> * Enabling Fair and Impartial Number Resource Administration
> * Technically Sound
> * Supported by the Community
> The PDP can be found at:
> https://www.arin.net/participate/policy/pdp/
> Draft Policies and Proposals under discussion can be found at:
> https://www.arin.net/participate/policy/drafts/
> Regards,
> Sean Hopkins
> Policy Analyst
> American Registry for Internet Numbers (ARIN)
> Draft Policy ARIN-2019-21: Reserved Pool Replenishment
> Problem Statement:
> While the current level of resources in the reserve pools created in 
> Sections 4.4 and 4.10 presently seem more than adequate for their 
> intended purposes. Nevertheless, even these well-resourced pools will 
> eventually run out. Therefore, we should make arrangements for their 
> replenishment, if or when necessary.
> Policy Statement:
> Add a new subsection in IPv4 General Principles, Section 4.1;
> 4.1.X Reserved Pool Replenishment
> Any resources allocated from a reserved pool created in Sections 4.4 
> or 4.10, or any other reserved pools created in the future, that are 
> returned, reclaimed, or revoked will be returned to the reserved pool 
> they were originally allocated from, regardless of the current level 
> of each pool. Further, any other resources returned, reclaimed, or 
> revoked will be prioritized for the replenishment of any reserved pool 
> that falls below a running three-year supply, which is based on the 
> previous three years of allocations from each pool.
> Timetable for Implementation: Immediate
> Anything Else:
> ARIN Staff should regularly report on the levels and projected 
> run-times for each reserved pool and immediately report when any 
> reserved pool falls below a three-year running supply.
> A three-year running supply was chosen to provide the ARIN Policy 
> Community adequate time to react through policy, as deemed appropriate 
> at that time, to an imminent run out event for one of the reserved pools.
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