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

[Fernando Frediani]

Hi

On 15/08/2024 22:02, Matthew Kaufman wrote:
> 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.

Then you believe that may still be possible ?

I don't understand the concern to leave things are they are so opened 
for so distant and near impossible scenario, just because in a very 
distant theory it can happen. Do some folks find themselves in a future 
scenario that could be one of the them missing it ?
Even in a scenario where a /20 can be justified - which is really a lot 
even for any big company - what would be the problem, if really needed 
to get a second /20 in the future ?
What is the possible damage to change the policy to restrict in /20 now 
? What we, as a community, will lose with that ?

I consider it is better to keep things more realist in this context and 
therefore I support the proposal.

Fernando

>
> 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 <mailto:Email%3Afarmer at umn.edu>
>     Networking & Telecommunication Services
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