[arin-ppml] Draft Policy ARIN-2012-2: IPv6 Subsequent Allocations Utilization Requirement - revised

ARIN info at arin.net
Wed Sep 26 10:26:41 EDT 2012

Draft Policy ARIN-2012-2
IPv6 Subsequent Allocations Utilization Requirement

ARIN-2012-2 has been revised. This draft policy is open for discussion
on this mailing list and will be on the agenda at the upcoming ARIN
Public Policy Meeting in Dallas.

ARIN-2012-2 is below and can be found at:


Communications and Member Services
American Registry for Internet Numbers (ARIN)

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Draft Policy ARIN-2012-2
IPv6 Subsequent Allocations Utilization Requirement

Date: 26 September 2012

Policy statement:

2.14. Serving Site (IPv6) When applied to IPv6 policies, the term 
serving site shall mean a location where an ISP terminates or aggregates 
customer connections, including, but, not limited to Points of Presence 
(POPs), Datacenters, Central or Local switching office or regional or 
local combinations thereof. It does not require the implementation of 
such aggregation in routing, only the implementation of an addressing 
plan that is subnetted along these topological boundaries to support the 
ability to aggregate.

6.5.3. Subsequent Allocations to LIRs

a.	Where possible ARIN will make subsequent allocations by expanding the 
existing allocation.

b.	An LIR qualifies for a subsequent allocation if they meet any of the 
following criteria:

* Shows utilization of 75% or more of their total address space

* Shows utilization of more than 90% of any serving site

* Has allocated more than 90% of their serving site blocks to serving 
sites, and has sufficient actual utilization at their serving sites to 
continue to justify the block size being utilized for all serving sites 
as specified in section 6.5.2.

c.	If ARIN can not expand one or more existing allocations, ARIN shall 
make a new allocation based on the initial allocation criteria above. 
The LIR is encouraged, but not required to renumber into the new 
allocation over time and return any allocations no longer in use.

d.	If an LIR has already reached a /12 or more, ARIN will allocate a 
single additional /12 rather than continue expanding nibble boundaries.

Original Rationale:

If you are executing to a long term plan, you should be able to continue 
to execute on your approved allocation and assignment plan regardless of 
the number of regions/groupings you originally planned for. We want to 
promote tie downs on nibbles and long term planning.

Timetable for implementation: Immediately

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