[arin-ppml] I Oppose 2010-12: IPv6 Subsequent Allocation

Owen DeLong owen at delong.com
Tue Oct 5 03:56:39 EDT 2010

I would actually support these changes. I'd put the upper bound at /24 rather than /26, as I
believe we should stop issuing things on non-nibble boundaries in general.


On Oct 4, 2010, at 4:35 PM, William Herrin wrote:

> On Sun, Oct 3, 2010 at 10:48 AM, Azinger, Marla <Marla.Azinger at ftr.com> wrote:
>> Bill or anyone else that sees this as a missing value-
>> What text would you suggest to resolve what you see as a missing value?
> Hi Marla,
> I need to think about it some more, but off the cuff I think I'd place
> a few limits:
> 1. No organization can justify holding total IPv6 allocations that
> exceed /26 under this policy.
> Rationale: If you think you need more than that, you haven't thought
> it through well enough.
> 2. No organization can justify more than two disaggregate allocations
> under this policy irrespective of individual or total size.
> Rationale: You get a couple tries but then you have to clear out and
> return one of your earlier tries before you can make attempt number
> three.
> 3. Unless organization is mapping more than, and I'm picking a number
> out of my hat here, 5 disaggregate IPv4 allocations with the
> transition mechanism the the largest additional allocation they can
> justify is a /32.
> Rationale: you shouldn't be mapping the full 32 bits of the Ipv4
> address into the upper 64 bits of address space unless you're juggling
> so many different IPv4 allocations that it just isn't practical to do
> it any other way... And transition mechanisms that need to consume
> ARIN allocations but must map the full 32 bit address aren't credible.
> Also I suggest ditching the 3-year resource review. We barely review
> V4 resources as we approach a critical shortage. We're not seriously
> going to review IPv6 allocations for a long, long time.
> Regards,
> Bill Herrin
> -- 
> 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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