As an IXP participant, +1 to continuing to allocate IXPs /24s upon request whenever doing so will mean IXP participants don’t have to subsequently renumber. But for IXPs with no credible plans to need a /24, no objections to allocating a smaller block by default.
Scott > On Jun 20, 2023, at 3:05 PM, William Herrin <[email protected]> wrote: > > On Tue, Jun 20, 2023 at 8:54 AM ARIN <[email protected]> wrote: >> ARIN will make IPv4 micro-allocations to critical infrastructure providers >> of the Internet, including public internet exchange points (IXPs), core DNS >> service providers (e.g. ICANN-sanctioned root and ccTLD operators) as well >> as the RIRs and IANA. These allocations will be no smaller than a /26 for >> IXPs, or a /24 for other allocations that require global reachability of the >> assigned allocation. Multiple allocations may be granted in certain >> situations. > > I generally agree with this, although I'd make the minimum /27. > There's no need to assign a /24 to something that neither requires > that many IP addresses nor requires global routability, and there are > private interconnects with a small number of participants that would > benefit from addresses guaranteed to be unique. However... > > >> An IXP requesting an allocation larger than a /26 must show an immediate >> need to utilize more than 25% of the requested allocation size upon initial >> commissioning. > > I vehemently disagree with this. Expecting to -eventually- have more > than 126 participants should be more than adequate to justify a /24 > for an IXP. IPv4 addresses are not so unobtainable that we need to > force IXPs into a regime where they have a messy addressing problem, > possible renumbering and flag days on the exchange. > > Regards, > Bill Herrin > > > -- > William Herrin > [email protected] > https://bill.herrin.us/ > _______________________________________________ > ARIN-PPML > You are receiving this message because you are subscribed to > the ARIN Public Policy Mailing List ([email protected]). > Unsubscribe or manage your mailing list subscription at: > https://lists.arin.net/mailman/listinfo/arin-ppml > Please contact [email protected] if you experience any issues. _______________________________________________ ARIN-PPML You are receiving this message because you are subscribed to the ARIN Public Policy Mailing List ([email protected]). Unsubscribe or manage your mailing list subscription at: https://lists.arin.net/mailman/listinfo/arin-ppml Please contact [email protected] if you experience any issues.
