Definitive Guide to IPv6 adoption - Sparse IPv6 allocation

Mon Oct 18 20:13:58 UTC 2010

On 10/18/10 12:42 PM, Randy Carpenter wrote:
> 
> I have a few customers whose allocations are /29 away from their
> nearest neighbor (half a nibble). That seems a little close
> considering there is a lot of talk about doing nibble boundaries, and
> there doesn't seem to be consensus yet.
> 
> For these customers, I don't think they will need more than a /29,
> but if we collectively decide that a /28 is the next step from a /32,
> how will the older allocations be dealt with?  This is pretty much a
> rhetorical question at this point, and I suppose the proper thing to
> do is to channel these questions toward the PPML for discussion as
> potential policy.

back in the distant past we were issued a /35, policy changed, we
returned it and on 2001 7/11 we were issued our current /32

> thanks, -Randy
> 
> -- | Randy Carpenter | Vice President, IT Services | Red Hat
> Certified Engineer | First Network Group, Inc. | (419)739-9240, x1 
> ----
> 
> ----- Original Message -----
>> Randy -
>> 
>> We'll likely put that out to the ARIN community for consultation at
>> the point in time when becomes a potential issue. I expect we will
>> have plenty of time before that needs to be considered at the 
>> present rate of allocation.
>> 
>> /John
>> 
>> John Curran President and CEO ARIN
>> 
>> On Oct 18, 2010, at 3:08 PM, Randy Carpenter wrote:
>> 
>>> John,
>>> 
>>> Can you tell us at what degree the bisection stops? i.e. does it 
>>> keep going until there are no spaces left, or will you leave
>>> some space in between each one to leave some room for future
>>> needs for orgs that already have allocations?
>>> 
>>> 
>>> -Randy
>>> 
>>> -- | Randy Carpenter | Vice President, IT Services | Red Hat
>>> Certified Engineer | First Network Group, Inc. | (419)739-9240,
>>> x1 ----
>>> 
>>> ----- Original Message -----
>>>> On Oct 18, 2010, at 2:18 PM, David Conrad wrote:
>>>>> On Oct 18, 2010, at 6:59 AM, Jack Bates wrote:
>>>>>> ARIN does reservations (unsure at what length, but at least
>>>>>> down to /31).
>>>>> 
>>>>> Do they still do that? Back when I was at IANA, one of the 
>>>>> justifications the RIRs gave for the /12s they received was
>>>>> that they were going to be using the 'bisection' method of
>>>>> allocation which removes the need for reservation. Last I
>>>>> heard, APNIC was using the bisection method...
>>>> 
>>>> ARIN is doing the same (the 'bisection' method) with our IPv6 
>>>> management since January 2010: we refer to the "sparse
>>>> allocation" approach and it was requested by the community
>>>> during the ARIN/NANOG Dearborn meeting.
>>>> 
>>>> FYI, /John
>>>> 
>>>> John Curran President and CEO ARIN
>