On Tue, Aug 20, 2024 at 2:07 PM Pellak, Kaitlyn via ARIN-PPML < [email protected]> wrote:
> Hello PPML, > > > > > [ clip ] > > > *Problem Statement: * > > > > The Number Resource Policy Manual (NRPM) often treats general purpose and > special purpose IP addresses differently. Unfortunately, we don’t have a > convenient to use term to describe these categories, so policy often > becomes either excessively wordy or does not correctly capture the intent. > Examples of this can be found in section 4.1.8 of the NRPM, and in > (currently pending) Draft Policies ARIN-2023-8 (where the fact that 4.4 and > 4.10 space isn’t counted against an organization is repeated numerous > times) and ARIN-2022-12 (where the text does not exclude 4.4 and 4.10 > allocations from being counted against an organization, but it is the > intent that those allocations should be ignored). Additionally, temporary > allocations under section 11 are rarely carved out, even when 4.4 and 4.10 > are, even though it is likely the policy’s intent that these too should be > ignored. > > > *Policy Statement:* > > > > Add the following definitions to Section 2 > > Special Purpose IPv4 Address - An IPv4 address that the NRPM makes > available for specific purposes including maintaining critical Internet > infrastructure (Section 4.4), facilitating IPv6 deployment (Section 4.10), > or temporarily for experimental purposes as approved by ARIN (Section 11). > > General Purpose IPv4 Address - Any IPv4 address issued by ARIN that is not > issued solely for the purposes stated under Special Purpose IPv4 Addresses. > > Special Purpose IPv6 Address - An IPv6 address that the NRPM makes > available for specific purposes such as maintaining critical Internet > infrastructure (Section 6.10) or temporarily for experimental purposes as > approved by ARIN (Section 11). > > General Purpose IPv6 Address - Any IPv6 address issued by ARIN that is not > issued solely for the purposes stated under Special Purpose IPv6 Addresses. > > > RFC's use this term (special purpose) extensively and not just for defining IANA actions. The NRPM uses the term "special use" once. 4.10 describes its use clearly. I don't recall any discussion about the temporary use of allocation for an experiment being considered a special use more than just a way to lend someone an address block and get it back. I can see the value of the uniqueness in not having a dedicated block (waste and data confusion). Adding "general purpose" seems to create vagueness and adding "special purpose" undoubtedly creates a concern of a conflict with the IANA registry IMHO if not now perhaps in the future. While the IANA doesn't have a reservation on two words, it feels like a term of art to me and perhaps to be avoided. I can't really think of another way to define this (or a reason to?). Not able to support. Warm regards, -M<
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