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

David Farmer farmer at umn.edu
Thu Dec 26 22:25:11 EST 2019


Responses are inline;

On Thu, Dec 26, 2019 at 6:38 PM Fernando Frediani <fhfrediani at gmail.com>
wrote:

> 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.
>

I'm not sure how ARIN staff does this now. However, if this is what we
want, it is usually better for it to be clearly stated in the policy.


> - With regards returning any other returned, reclaimed or revoke
> 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.
>

The idea of this policy is to have a default action of replenishing these
reserved pools only when or if they get down to a three-year or less
supply. Until then, other recovered resources go to the waiting list. Even
then the idea is to only replenish them to or maintain a three year supply
in the reserved pools, any resources recovered beyond that would still go
to the waiting list.

Without this policy, when or if these reserved pools get low, we will just
let them run out unless we have a consensus for a policy to change things
at that time. However, I would like default action to be to replenish the
reserved pools when or if they get low unless there is consensus at that
time to let them run out, requiring policy action at that time if we want
them to let them run out.

As for the current status of these pools; the following is from the ARIN 44
meeting report, at the beginning of November, in response to a question
during the discussion of ARIN-2019-17;

John Sweeting:  John Sweeting, ARIN staff. I think I'm going to answer
Joe's question. So in the 4.10 pool, the IP pool -- sorry, Cathy -- there
are 15,727 /24s left. 657 have been used over the time since it was
implemented. And it puts about an average between 10 and 15 a month.

On the 4.4, there's 123 issued. 389 left and about 1.5 per month. So maybe
15, 18 a year.

4.10 pool;
   15,727 /24s left
   15 /24s a month
   This is more than 80 years worth at that rate of use, but I expect the
rate of use will increase for this pool.

4.4 pool;
   389 /24s left
   1.5 /24s a month
   This is more than 20 years worth at that rate of use.

So this policy is not expected to have any effect for many years unless
there is a dramatic increase in the use of these pools.

Regards
> Fernando
>
> 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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