[ppml] Policy Proposal 2007-24: IPv6 Assignment Guidelines

Scott Leibrand sleibrand at internap.com
Wed Sep 5 14:08:15 EDT 2007

I support this policy, as it seems to be a reasonable clarification of 
ARIN policy on the subject, without any onerous restrictions on LIR 
decision making.

I would hope that ARIN staff would interpret "Assignments greater than 
/48 will be reviewed" to mean that they would review the assignments 
only if/when the LIR asks for additional IPv6 address space.  (That's my 
interpretation of the intent of the proposal.  If the Author's intent 
differs, please speak up.)


Member Services wrote:
> On 30 August 2007, the ARIN Advisory Council (AC) concluded their
> initial review of "IPv6 Assignment Guidelines" and accepted it as a 
> formal policy proposal for discussion by the community.
> The proposal is designated Policy Proposal 2007-24: IPv6 Assignment
> Guidelines. The proposal text is below and can be found at:
> http://www.arin.net/policy/proposals/2007_24.html
> All persons in the community are encouraged to discuss Policy Proposal
> 2007-24 prior to it being presented at the ARIN Public Policy Meeting in
> Albuquerque, New Mexico, 17-18 October 2007. Both the discussion on the
> Public Policy Mailing List and at the Public Policy Meeting will be used
> to determine the community consensus regarding this policy proposal.
> The ARIN Internet Resource Policy Evaluation Process can be found at:
> http://www.arin.net/policy/irpep.html
> ARIN's Policy Proposal Archive can be found at:
> http://www.arin.net/policy/proposals/proposal_archive.html
> Regards,
> Member Services
> American Registry for Internet Numbers (ARIN)
> ## * ##
> Proposal 2007-24
> IPv6 Assignment Guidelines
> Author: Leo Bicknell and Ed Lewis
> Proposal type: new
> Policy term: permanent
> Policy statement:
> Delete the text in and Replace the text in section with
> the following text:
> Assignments by LIRs /48 or smaller will not be reviewed by ARIN.
> Assignments greater than /48 will be reviewed to see if the additional
> space is warranted according to the 0.94 HD ratio policy. If the space
> is not warranted, ARIN will consider the excess space to be available
> for a different assignment, lowering the overall utilization score of
> the LIR.
> Rationale:
> The existing section does not provide clear guidance on how ARIN
> should treat prefixes allocated to a site should an ISP come back for
> additional space in the future. This makes it difficult for LIR's to
> know if they are allocating in accordance with the rules under which
> they will be judged in the future. The existing section also provides no
> guidence on what the LIR or ARIN should do in the case a larger prefix
> is necessary.
> Timetable for implementation: immediate
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