[arin-ppml] A modest proposal for IPv6 address allocations

William Herrin bill at herrin.us
Wed Jun 3 13:56:36 EDT 2009


Hi Folks,

Is there any interest in seeing this as a formal proposal after adding
in the various adjustments some of you have suggested?

Regards,
Bill Herrin


On Sat, May 30, 2009 at 3:05 PM, William Herrin<bill at herrin.us> wrote:
> So here's a crazy plan:
>
> A. The first IPv6 allocation from ARIN is always a /48. To justify it,
> you need to be multihomed. There are no other qualifications. The /48
> will be allocated from a pool from which only /48's are allocated.
>
> B. The second IPv6 allocation from ARIN is always a /32. To justify it
> you need to demonstrate that you've efficiently used the /48 for some
> reasonable definition of efficient, that you've implemented SWIP or
> RWHOIS for your downstream assignments and that you will run out of
> space in the /48 within one year. The /32 will be allocated from a
> pool reserved for allocating /32's.
>
> C. The third IPv6 allocation from ARIN is always a /24. To justify it
> you need to demonstrate that you've efficiently used the /32, that you
> will run out of space in the /32 within five years, and you have to
> first return the original /48 you were assigned. The /24 will be
> allocated from a pool reserved for allocating /24's.
>
> D. There is no fourth IPv6 allocation at this time. It is not
> presently possible to consume an entire /24 without atrocious waste.
>
> What are the consequences of this plan?
>
> 1. Efficient allocation of IP addresses. Orgs get what they need when
> they need it and not before without a great deal of guesswork about
> actual need.
>
> 2. Efficient utilization of BGP routing slots. No single multihomed
> org will ever announce more than 2 necessary routes.
>
> 3. Traffic engineering routes are trivially filterable since any route
> longer than the published allocation size can be presumed to be
> traffic engineering, not a downstream multihomed customer, thus you
> can filter distant small routes with confidence and ease.
>
> 4. No need to define the difference between ISP and not ISP. Everybody
> plays by the same rules.
>
> 5. No complicated analysis for the first allocation. You're either
> multihomed or you're not. If you're multihomed, you qualify.
>
> 6. For those who can live within the /48 there are distinct
> advantages: no swip or rwhois reporting and the generic end-user
> annual fee instead of the ISP annual fee. Once you're up to a /32, you
> pay the ISP annual fee. As a result, ARIN doesn't have to scrutinize
> the /32 requests too closely either.




-- 
William D. Herrin ................ herrin at dirtside.com  bill at herrin.us
3005 Crane Dr. ...................... Web: <http://bill.herrin.us/>
Falls Church, VA 22042-3004



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