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

Owen DeLong owen at delong.com
Tue Aug 4 11:48:44 EDT 2009


On Aug 4, 2009, at 7:28 AM, Steven E. Petty wrote:

>
>  While I am very much in favor of this idea, I think there needs to  
> be very stringent/serious language to prevent these microallocations  
> from being abused with respect to the recent 'ip market' discussions.

Any ideas how to do this? I'm open to suggestions.
>
>  I would also expect an explicit statement that there is a return of  
> space requirement if multihoming ceases.  Hmmm..  How do do that  
> without muddying Arin's (non)role in routing...
>
I believe that the policy resulting from proposal 2007-14 which was  
adopted recently actually would cover this.

Owen

>
> -----Original Message-----
> From: arin-ppml-bounces at arin.net [mailto:arin-ppml-bounces at arin.net]  
> On Behalf Of Member Services
> Sent: Monday, August 03, 2009 4:37 PM
> To: arin-ppml at arin.net
> Subject: Re: [arin-ppml] Lower End User IPv4 threshold to /24
>
> 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
>>
>> ----------------------------------------------------------------------
>> --
>>
>> _______________________________________________
>> PPML
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>> Please contact info at arin.net if you experience any issues.
>
>
> _______________________________________________
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