ARIN-PPML Message

[arin-ppml] Draft Policy ARIN-2010-8: Rework of IPv6 assignment criteria - adopted

On Fri, Feb 11, 2011 at 5:27 PM, Randy Carpenter <rcarpen at network1.net> wrote:
>
> Does anyone know how the fees will work once this is in place?
>
> An example is that we have a /48 at our main site, and have 2 remote sites now, and possibly more in the future. Under this new policy, we would qualify for a /44. We are an end-user, so we paid the fee for the /48 upfront, and just pay the maintenance fee. The initial fee is the same for a /48 or /44. If the policy were in place before, we would have just gotten the /44 to begin with. Do we have to pay the fee again to expand the /48 into a /44 ?
>
> thanks,
> -Randy
>
>
> ----- Original Message -----
>> On 11 January 2011 the ARIN Board of Trustees adopted the following
>> policy:
>>
>>    Draft Policy ARIN-2010-8: Rework of IPv6 assignment criteria
>>    https://www.arin.net/policy/proposals/2010_8.html
>>
>> This policy will be be implemented no later than 30 April 2011.
>>
>> Board of Trustees Meeting Minutes are available at:
>> https://www.arin.net/about_us/bot/index.html
>>
>> Draft Policy and Policy Proposal texts are available at:
>> https://www.arin.net/policy/proposals/index.html
>>
>> The ARIN Policy Development Process can be found at:
>> https://www.arin.net/policy/pdp.html
>>
>> Regards,
>>
>> Communications and Member Services
>> American Registry for Internet Numbers (ARIN)
>>
>>
>> ## * ##
>>
>>
>> Draft Policy ARIN-2010-8
>> Rework of IPv6 assignment criteria
>>
>> Version/Date: 23 November 2010
>>
>> Policy statement:
>>
>> Replace section 6.5.8 as follows;
>>
>> 6.5.8. Direct assignments from ARIN to end-user organizations
>>
>> 6.5.8.1 Initial Assignment Criteria
>>
>> Organizations may justify an initial assignment for addressing
>> devices
>> directly attached to their own network infrastructure, with an intent
>> for the addresses to begin operational use within 12 months, by
>> meeting
>> one of the following criteria:
>>
>> a. Having a previously justified IPv4 end-user assignment from ARIN
>> or
>> one of its predecessor registries, or;
>>
>> b. Currently being IPv6 Multihomed or immediately becoming IPv6
>> Multihomed and using an assigned valid global AS number, or;
>>
>> c. By having a network that makes active use of a minimum of 2000
>> IPv6
>> addresses within 12 months, or;
>>
>> d. By having a network that makes active use of a minimum of 200 /64
>> subnets within 12 months, or;
>>
>> e. By providing a reasonable technical justification indicating why
>> IPv6
>> addresses from an ISP or other LIR are unsuitable.
>>
>> Examples of justifications for why addresses from an ISP or other LIR
>> may be unsuitable include, but are not limited to:
>>
>> • An organization that operates infrastructure critical to life
>> safety
>> or the functioning of society can justify the need for an assignment
>> based on the fact that renumbering would have a broader than expected
>> impact than simply the number of hosts directly involved. These would
>> include: hospitals, fire fighting, police, emergency response, power
>> or
>> energy distribution, water or waste treatment, traffic management and
>> control, etc…
>> • Regardless of the number of hosts directly involved, an
>> organization
>> can justify the need for an assignment if renumbering would affect
>> 2000
>> or more individuals either internal or external to the organization.
>> • An organization with a network not connected to the Internet can
>> justify the need for an assignment by documenting a need for
>> guaranteed
>> uniqueness, beyond the statistical uniqueness provided by ULA (see
>> RFC
>> 4193).
>> • An organization with a network not connected to the Internet, such
>> as
>> a VPN overlay network, can justify the need for an assignment if they
>> require authoritative delegation of reverse DNS.
>>
>> 6.5.8.2 Initial assignment size
>>
>> Organizations that meet at least one of the initial assignment
>> criteria
>> above are eligible to receive an initial assignment of /48. Requests
>> for
>> larger initial assignments, reasonably justified with supporting
>> documentation, will be evaluated based on the number of sites in an
>> organization’s network and the number of subnets needed to support
>> any
>> extra-large sites defined below.
>>
>> The initial assignment size will be determined by the number of sites
>> justified below. An organization qualifies for an assignment on the
>> next
>> larger nibble boundary when their sites exceed 75% of the /48s
>> available
>> in a prefix. For example:
>>
>> More than 1 but less than or equal to 12 sites justified, receives a
>> /44
>> assignment;
>> More than 12 but less than or equal to 192 sites justified, receives
>> a
>> /40 assignment;
>> More than 192 but less than or equal to 3,072 sites justified,
>> receives
>> a /36 assignment;
>> More than 3,072 but less than or equal to 49,152 sites justified,
>> receives a /32 assignment;
>> etc...
>>
>> 6.5.8.2.1 Standard sites
>>
>> A site is a discrete location that is part of an organization’s
>> network.
>> A campus with multiple buildings may be considered as one or multiple
>> sites, based on the implementation of its network infrastructure. For
>> a
>> campus to be considered as multiple sites, reasonable technical
>> documentation must be submitted describing how the network
>> infrastructure is implemented in a manner equivalent to multiple
>> sites.
>>
>> An organization may request up to a /48 for each site in its network,
>> and any sites that will be operational within 12 months.
>>
>> 6.5.8.2.2 Extra-large sites
>>
>> In rare cases, an organization may request more than a /48 for an
>> extra-large site which requires more than 16,384 /64 subnets. In such
>> a
>> case, a detailed subnet plan must be submitted for each extra-large
>> site
>> in an organization’s network. An extra-large site qualifies for the
>> next
>> larger prefix when the total subnet utilization exceeds 25%. Each
>> extra-large site will be counted as an equivalent number of /48
>> standard
>> sites.
>>
>> 6.5.8.3 Subsequent assignments
>>
>> Requests for subsequent assignments with supporting documentation
>> will
>> be evaluated based on the same criteria as an initial assignment
>> under
>> 6.5.8.2 with the following modifications:
>>
>> a. A subsequent assignment is justified when the total utilization
>> based
>> on the number of sites justified exceeds 75% across all of an
>> organization’s assignments. If the organization received an
>> assignment
>> per section 6.11 IPv6 Multiple Discrete Networks, such assignments
>> will
>> be evaluated as if they were to a separate organization.
>>
>> b. When possible subsequent assignments will result it the expansion
>> of
>> an existing assignment by one or more nibble boundaries as justified.
>>
>> c. If it is not possible to expand an existing assignment, or to
>> expand
>> it adequately to meet the justified need, then a separate new
>> assignment
>> will be made of the size justified.
>>
>> 6.5.8.4 Consolidation and return of separate assignments
>>
>> Organizations with multiple separate assignments should consolidate
>> into
>> a single aggregate, if feasible. If an organization stops using one
>> or
>> more of its separate assignments, any unused assignments must be
>> returned to ARIN.
>>
>> Rationale:
>>
>> This proposal provides a complete rework of the IPv6 end-user
>> assignment
>> criteria, removing the dependency on IPv4 policy, providing clear
>> guidance in requesting larger initial assignments, and eliminating
>> HD-Ratio as criteria for evaluating end-user assignments.
>>
>> The HD-Ratio is replaced with a simplified 75% utilization threshold
>> based on nibble boundaries for end-user assignments. This threshold
>> is
>> somewhat more restrictive for larger assignments, while slightly less
>> restrictive for the smaller /44 assignments, than the HD-Ratio.
>> However,
>> in both cases it is much easier for an end-user to understand the
>> policy
>> criteria that applies to them.
>>
>> The following general concepts are included:
>>
>> • Previously justified IPv4 resources may be used to justify the need
>> for IPv6 resources
>> • Internet multihoming is sufficient justification for an IPv6
>> end-user
>> assignment in and of itself
>> • Networks with more than 2000 hosts have a justified need for IPv6
>> resources; as is the case in current policy, it is just more clearly
>> stated without relying on a reference to, and the consequences of,
>> IPv4
>> policy
>> • Networks with more than 200 subnets have a justified need for IPv6
>> resources, independent of the number of hosts they have
>> • Other end-users, not meeting one of the previous criteria, must
>> justify why an ISP or LIR assignment is not sufficient for their
>> needs
>> • Reservations are no longer necessary as ARIN has committed to
>> sparse
>> assignment for IPv6
>> • Providing sufficiently large initial assignments based on nibble
>> boundaries along with sparse assignments will reduce route table
>> growth
>> caused solely by subsequent assignments
>>
>> Organizations with multiple sites may receive a /48 for each site in
>> their network. A campus with multiple buildings may be considered as
>> one
>> or multiple sites, based on the implementation of its network
>> infrastructure. When multiple separate organizations have networks in
>> the same building, such as in the case of a multi-tenant building,
>> each
>> organization justifies a separate /48 for its network at the site.
>>
>> The 25% subnet utilization for an extra-large site is proposed as the
>> threshold for a larger prefix in order to allow an extra-large site
>> enough room to create an organized subnet plan. Requiring denser
>> usage
>> would make it almost impossible for an extra-large site to maintain
>> any
>> kind of organized subnet plan. Furthermore, even at 25% utilization,
>> more than 16,384 subnets are required to justify more than a /48 for
>> a
>> site. Few, if any, sites can actually meet or exceed this threshold.
>>
>> Organizations may have multiple separate assignments due to previous
>> subsequent assignments made per clause 6.5.8.3.c or through Mergers
>> and
>> Acquisitions in section 8.2. These multiple separate assignments must
>> be
>> considered in total when making subsequent assignments, unless they
>> are
>> part multiple discrete networks, per section 6.11.
>>
>> The ARIN Board of Trusties should consider incentives that provide
>> additional motivation for end-users to consolidate into a single
>> aggregate per section 6.5.8.4 of this policy.
>>
>> Timetable for implementation: Immediate
>
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