[arin-ppml] Revised - ARIN-2025-6: ARIN-prop-345: Fix formula in 6.5.2.1c

[John Stitt]

I am in favor of this proposal as written.

I am also in favor of clarifying the text in a later proposal.

I am against removing the formula. As long as the text and the formula match, the formula’s inclusion does not harm and should help technically minded people with clarity, as math is often more clear than text.  ARIN staff using the text rather than the formula is irrelevant as long as the meaning of both matches.  I also do not believe the amount of time spent before anyone proposed fixing the formula is also not a good enough argument to remove it in a future proposal.

This proposal fixes the problem and further clarity is best achieved by addressing the text itself in a future proposal.

John Stitt
Sr. Network Engineer
HES energynet

Sent from my pocket CRAY-1

> On Nov 5, 2025, at 7:35 PM, William Herrin <bill at herrin.us> wrote:
>
> On Wed, Sep 3, 2025 at 2:23 PM ARIN <info at arin.net> wrote:
>> * ARIN-2025-6: ARIN-prop-345: Fix formula in 6.5.2.1c
>> https://www.arin.net/participate/policy/drafts/2025_6/
>>
>> Policy Statement:
>>
>> In 6.5.2.1c, replace:
>>
>> "This calculation can be summarized as /N where N = P-(X+Y) and P is the organization’s Provider Allocation Unit X is a multiple of 4 greater than 4/3*serving sites and Y is a multiple of 4 greater than 4/3*end sites served by largest serving site."
>>
>> with:
>>
>> "This calculation can be summarized as /N where N = P-(X+Y) and P is the organization’s Provider Allocation Unit, X is a multiple of 4 greater than 4/3*log_2(serving sites) and Y is a multiple of 4 greater than 4/3*log_2(end sites served by largest serving site).
>>
>> In 2.15 and 2.16, replace "provider assignment unit" with "provider allocation unit."
>
> Some quick additional notes:
>
> Section 6.5.2.1 took roughly its current form in ARIN policy 2011-3.
> There have been some smaller revisions since.
> https://www.arin.net/vault/participate/policy/drafts/2011/2011_3/
>
> The Allocation/Assignment mismatch was present in that original
> policy, as was the error in the formula.
>
>
> With some effort (it's not smooth) you can search revisions to the
> NRPM at https://bitbucket.org/arin-rir/number-resource-policy-manual/src/master/
>
> The comparison feature at
> https://bitbucket.org/arin-rir/number-resource-policy-manual/branches/compare
> can help you zero in on exactly where particular changes were made,
> but the interface is really rough. The following command line works
> somewhat better though still not great:
>
> git clone https://bitbucket.org/arin-rir/number-resource-policy-manual.git
> git fetch origin --tags
> git diff --word-diff 2011.3 2011.4
>
> Regards,
> Bill Herrin
>
>
> --
> For hire. https://bill.herrin.us/resume/
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