[arin-ppml] Request for Feedback: Draft Policy ARIN-2024-8 Restrict the Largest Initial IPv6 Allocation to /20

[Matthew Kaufman]

+1. No reason to change this just to add a hurdle to a situation that could
actually happen, even if rare.

If an organization comes with the technical justification and financial
backing sufficient to really need a /16 as their initial allocation, staff
shouldn't have anything blocking that.

Matthew Kaufman

On Mon, Aug 12, 2024 at 2:34 PM David Farmer via ARIN-PPML <
arin-ppml at arin.net> wrote:

> /16 is a reasonable limit; keep the current NRPM. One /16 allocation in
> nearly a decade does not concern me. /16 allocations were intended to be
> rare but possible; in fact, I believe the policy is functioning as
> intended. If we see several additional /16 allocations in the next couple
> of years, I could be convinced to reconsider my position. But at this
> point, I think this policy is premature.
>
> Thanks
>
> On Mon, Aug 12, 2024 at 2:12 PM Elizabeth Goodson <
> elizabeth.goodson at gmail.com> wrote:
>
>> Hello PPML,
>>
>> As lead shepherd on ARIN-2024-8, I'm reaching out for additional feedback
>> from the community on this policy following the robust discussion here in
>> June.
>>
>> The previous discussion did not come to a clear community consensus with
>> opinions falling in multiple categories (in no particular order):
>> - /20 is a reasonable limit, support the Draft Policy as written
>> - /16 is a reasonable limit, keep current NRPM
>> - Allow initial allocations above a certain size that are not on a nibble
>> boundary (e.g. /19, /18, /17)
>> - Add clarification about what designs would not justify a certain size
>> initial allocation (e.g. 6RD)
>>
>> Questions for the community:
>> - Do you support the draft policy as written?
>> - If not, can the policy be changed so you would support it? What
>> change(s) do you support?
>> - Should the community continue to work on the policy or abandon it?
>>
>> Thanks,
>> Liz Goodson
>>
>> ===============
>> Problem Statement:
>> In order to promote aggregation, the NRPM currently allows initial
>> allocations up to a /16. However, the entire IPv6 address space only
>> contains 65536 /16s, and the space allocated to IANA for globally routable
>> purposes only contains 8192 /16s. Therefore, a /16 is a sufficiently large
>> portion of the IPv6 address space that the goal of conservation starts to
>> outweigh the goal of aggregation.
>>
>> Policy Statement:
>> 6.5.2.1b: Replace "In no case shall an ISP receive more than a /16
>> initial allocation." with "In no case shall a LIR receive more than a /20
>> initial allocation."
>> ==================
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>
>
> --
> ===============================================
> David Farmer               Email:farmer at umn.edu
> Networking & Telecommunication Services
> Office of Information Technology
> University of Minnesota
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> Minneapolis, MN 55414-3029   Cell: 612-812-9952
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