[arin-ppml] Draft Policy ARIN-2023-2: /26 initial IPv4 allocation for IXPs

[Reese, Gus]

Greetings,

The ARIN AC is hearing some initial opposition on the draft policy but we are also sensing that some changes to the policy might change some minds.  There is a potential scenario in which a large number of IXPs will arise based on relatively recent news item targeting underserved markets.

The study cited in the original email to the PPML shows that more than 2 out of 3 IXPs globally have fewer than 32 members registered, for which a /26 is more than sufficient.

We want to gauge whether the community might support some combination of the following options to make this draft more balanced:

a. Permit larger assignment if the organization demonstrates an expected utilization of 50% of the requested block within 24 months. (similar to transfer requirements)
b. Permit a range of sizes (from as low as possibly /27 up to /24) upon request, with no documentation needed.

We welcome the opinions of all community members.

Regards,

Gus

--
Gus Reese
ARIN Advisory Council
greese at cogentco.com

From: ARIN-PPML <arin-ppml-bounces at arin.net> On Behalf Of Andrew Dul
Sent: Thursday, June 29, 2023 11:51 AM
To: Kevin Blumberg <kevinb at thewire.ca>; arin-ppml at arin.net
Subject: Re: [arin-ppml] Draft Policy ARIN-2023-2: /26 initial IPv4 allocation for IXPs

In 4.4 it does say “ARIN will make a list of these blocks publicly available.” Is that information available with the IXP name etc?
I believe this is the list that ARIN is currently publishing.

https://www.arin.net/reference/research/statistics/microallocations/#micro-allocations-for-exchange-points

I was going to say it probably would be helpful if there was a machine readable format for this...but looks like someone already thought of that...

https://www.arin.net/participate/community/acsp/suggestions/2019/2019-24/

Andrew

On 6/29/2023 8:42 AM, Kevin Blumberg wrote:
I don’t support this policy.

I’ll echo what other operators have said, renumbering is non-trivial at an IXP.

Is ARIN even able to provide reverse DNS delegation for a /26 at this point?

The CI pool is in my mind working as intended, the drawn down from the pool as shown earlier has been reasonable.

If the definition of who is an IXP for the purposes of getting space, that is an entirely different proposal and problem statement. In 4.4 it does say “ARIN will make a list of these blocks publicly available.” Is that information available with the IXP name etc?

Thanks,

Kevin Blumberg

From: ARIN-PPML <arin-ppml-bounces at arin.net><mailto:arin-ppml-bounces at arin.net> On Behalf Of Matt Peterson
Sent: Wednesday, June 21, 2023 4:19 AM
To: arin-ppml at arin.net<mailto:arin-ppml at arin.net>
Subject: Re: [arin-ppml] Draft Policy ARIN-2023-2: /26 initial IPv4 allocation for IXPs

It's clear this proposal did not receive feedback from those of us who operate IXP's (or those who lived through the ep.net<http://ep.net> era). Renumbering events are often multi-year efforts for an IXP, this "savings" is not worth the operational overhead. I'm not in support of this proposal. This is a solution looking for a problem, we have both the appropriate pool size and a method to refill.

If anything, the 4.4 requirement language around "other participants (minimum of three total)" could use some attention. ARIN's service region has many "shadow IXP's", which may have 3 unique ASN's (say a route server, route collector, and management network) - but are all operated by the same organization. That does not seem like a legitimate definition of an exchange point, especially when that operator is the only participant over several years.

--Matt

On Tue, Jun 20, 2023 at 8:54 AM ARIN <info at arin.net<mailto:info at arin.net>> wrote:
On 15 June 2023, the ARIN Advisory Council (AC) accepted “ARIN-prop-320: /26 initial IPv4 allocation for IXPs” as a Draft Policy.

Draft Policy ARIN-2023-2 is below and can be found at:

https://www.arin.net/participate/policy/drafts/2023_2



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