[arin-ppml] Revised: Draft Policy ARIN-2017-5: Equalization of Assignment Registration requirements between IPv4 and IPv6

David Farmer farmer at umn.edu
Tue Aug 15 15:59:58 EDT 2017

I support what I think is the intent, but I have language/editorial nits;

1. In 3) below; Which is it "a /64 or more addresses" or "regardless of
size" that requires registration?  I think logically we need one or the
other, or some qualification on "regardless of size" statement.  I think it
is a good idea to not require registration of less than a /64.  But the
current language seems contradictory, and therefore confusing, my
recommendation is delete "regardless of size", from the sentence and
leaving "a /64 or more addresses".  I pretty sure we don't want people
having an expectation that they can request the registration of "their"
/128 address.

2. Also in 3) below; It would seem to require even dynamic assignments be
registered if requested, I don't think that is our intent either, section starts with "Each static IPv6 assignment containing", this needs a
similar qualification.

Also, I'm fine with the deltas in the policy statement but it would be
helpful to see the final resulting policy block, maybe in a separate email
so we can all see how the result reads.

Thanks, I think we are getting close, maybe one or two more turns of the

On Tue, Aug 15, 2017 at 12:06 PM, ARIN <info at arin.net> wrote:

> The following has been revised:
> * Draft Policy ARIN-2017-5: Equalization of Assignment Registration
> requirements between IPv4 and IPv6
> Revised text is below and can be found at:
> https://www.arin.net/policy/proposals/2017_5.html
> You are encouraged to discuss all Draft Policies on PPML. The AC will
> evaluate the discussion in order to assess the conformance of this draft
> policy with ARIN's Principles of Internet number resource policy as stated
> in the Policy Development Process (PDP). Specifically, these principles are:
> * Enabling Fair and Impartial Number Resource Administration
> * Technically Sound
> * Supported by the Community
> The PDP can be found at:
> https://www.arin.net/policy/pdp.html
> Draft Policies and Proposals under discussion can be found at:
> https://www.arin.net/policy/proposals/index.html
> Regards,
> Sean Hopkins
> Policy Analyst
> American Registry for Internet Numbers (ARIN)
> Problem Statement:
> Current ARIN policy has different WHOIS directory registration
> requirements for IPv4 vs IPv6 address assignments. IPv4 registration is
> triggered for an assignment of any address block equal to or greater than a
> /29 (i.e., eight IPv4 addresses). In the case of IPv6, registration occurs
> for an assignment of any block equal to or greater than a /64, which
> constitutes one entire IPv6 subnet and is the minimum block size for an
> allocation.  Accordingly, there is a significant disparity between IPv4 and
> IPv6 WHOIS registration thresholds in the case of assignments, resulting in
> more work in the case of IPv6 than is the case for IPv4. There is no
> technical or policy rationale for the disparity, which could serve as a
> deterrent to more rapid IPv6 adoption. The purpose of this proposal is to
> eliminate the disparity and corresponding adverse consequences.
> Policy statement:
> 1) Alter section "Reassignment information" of the NRPM to strike
> "/64 or more addresses" and change to "/47 or more addresses, or
> subdelegation of any size that will be individually announced,"
> and
> 2) Alter section "Residential Customer Privacy" of the NRPM by
> deleting the phrase "holding /64 and larger blocks"
> and
> 3) Add new section "Downstream Registration Requests" to the NRPM
> that reads "If the downstream recipient of a netblock ( a /64 or more
> addresses) requests publishing in ARIN's registration database, the ISP
> must register the netblock, regardless of size."
> Comments:
> a.    Timetable for implementation: Policy should be adopted as soon as
> possible.
> b.    Anything else:
>  Author Comments:
> IPv6 should not be more burdensome than the equivalent IPv4 network size.
> Currently, assignments of /29 or more of IPv4 space (8 addresses) require
> registration. The greatest majority of ISP customers who have assignments
> of IPv4 space are of a single IPv4 address which do not trigger any ARIN
> registration requirement when using IPv4. This is NOT true when these same
> exact customers use IPv6, as assignments of /64 or more of IPv6 space
> require registration. Beginning with RFC 3177, it has been standard
> practice to assign a minimum assignment of /64 to every customer end user
> site, and less is never used.  This means that ALL IPv6 assignments,
> including those customers that only use a single IPv4 address must be
> registered with ARIN if they are given the minimum assignment of /64 of
> IPv6 space. This additional effort may prevent ISP's from giving IPv6
> addresses because of the additional expense of registering those addresses
> with ARIN, which is not required for IPv4. The administrative burden of
> 100% customer registration of IPv6 customers is unreasonable, when such is
> not required for those customers receiving only IPv4 connections.
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David Farmer               Email:farmer at umn.edu
Networking & Telecommunication Services
Office of Information Technology
University of Minnesota
2218 University Ave SE        Phone: 612-626-0815
Minneapolis, MN 55414-3029   Cell: 612-812-9952
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