[arin-announce] [arin-ppml] Lower End User IPv4 threshold to /24

[Member Services]

The following is a new policy proposal that has been posted to the ARIN
Public Policy Mailing List for discussion on that list.

Regards,

Member Services
American Registry for Internet Numbers (ARIN)

## * ##

Member Services wrote:
> ARIN received the following policy proposal and is posting it to the
> Public Policy Mailing List (PPML) in accordance with Policy Development
> Process.
>
> This proposal is in the first stage of the Policy Development Process.
> ARIN staff will perform the Clarity and Understanding step. Staff does
> not evaluate the proposal at this time, their goal is to make sure that
> they understand the proposal and believe the community will as well.
> Staff will report their results to the ARIN Advisory Council (AC) within
> 10 days.
>
> The AC will review the proposal at their next regularly scheduled
> meeting (if the period before the next regularly scheduled meeting is
> less than 10 days, then the period may be extended to the subsequent
> regularly scheduled meeting). The AC will decide how to utilize the
> proposal and announce the decision to the PPML.
>
> In the meantime, the AC invites everyone to comment on the proposal on
> the PPML, particularly their support or non-support and the reasoning
> behind their opinion. Such participation contributes to a thorough
> vetting and provides important guidance to the AC in their deliberations.
>
> The ARIN Policy Development Process can be found at:
> https://www.arin.net/policy/pdp.html
>
> Mailing list subscription information can be found
> at: https://www.arin.net/mailing_lists/
>
> Regards,
>
> Member Services
> American Registry for Internet Numbers (ARIN)
>
> ## * ##
>
> Owen DeLong wrote:
>> TEMPLATE: ARIN-POLICY-PROPOSAL-TEMPLATE-2.0
>>
>> 1.      Policy Proposal Name: /24 End User Minimum Allocation Unit
>> 2.      Proposal Originator: Owen DeLong
>>    
>> 3.      Proposal Version: 0.9
>> 4.      Date: 8/3/09
>> 5.      Proposal type: new
>> 6.      Policy term: permanent
>> 7.      Policy statement:
>>
>> Replace section 4.3.2.2 of the NRPM with the following:
>>
>> 4.3.2.2 Multihomed Connection
>>
>> For end-users who demonstrate an intent to announce the requested 
>> space in a
>> multihomed fashion to two or more distinct providers, the minimum 
>> block of IP
>> address space assigned is a /24. If assignments smaller than a /24 
>> are needed,
>> multihomed end-users should contact their upstream providers. When 
>> prefixes are
>> assigned which are longer than /20, they will be from a block 
>> reserved for that
>> purpose so long as that is feasible. End-users may not receive a 
>> block smaller
>> than /22 under this policy if they already have resources from ARIN, 
>> except as
>> specified in section 4.3.6.2.
>>
>> Renumber the existing paragraph under the 4.3.6 to
>> 4.3.6.1 Utilization requirements for additional Assignment
>>
>> Add the following paragraph 4.3.6.2
>>
>> 4.3.6.2 Replacement assignments for small multi-homers
>>
>> Any end-user that possesses an assignment smaller than /22 under any 
>> part of
>> section 4.3 shall not be able to get an additional assignment unless 
>> they agree
>> to return all existing assignments within 12 months of receiving a 
>> new assignment.
>> The new assignment shall be sized to accommodate their existing 
>> utilization in
>> addition to their justified additional growth space under section 
>> 4.3.6.1.
>> The common cases for this are expected to be a /24 returned after 
>> receipt of a /23,
>> or a /23 returned after receipt of a /22.
>>
>> 8.      Rationale:
>>
>> This policy attempts to incorporate the recent and historical 
>> discussions of
>> policy for multi-home users on PPML. The intent is to provide as fair 
>> a process
>> as possible for multi-homed organizations down to the smallest 
>> feasible size
>> while still preserving some control over growth in the routing table.
>>
>> It has been repeatedly noted that /24 multi-homers exist today with 
>> PA space
>> and still occupy a routing table slot, so, it is unlikely that moving 
>> this
>> boundary to /24 would significantly impact the routing table.
>>
>> By requiring smaller assignments to renumber and return, rather than 
>> add more
>> small blocks to their assignments, this policy seeks to further 
>> reduce the
>> chances of unnecessary growth in the routing table and encourage good 
>> aggregation
>> where possible.
>>
>> 9.      Timetable for implementation: Immediate
>>
>> END OF TEMPLATE
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
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>
>
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