[arin-ppml] Set aside round deux
cgrundemann at gmail.com
Mon Jul 26 22:55:36 EDT 2010
On Mon, Jul 26, 2010 at 20:22, Jason Schiller <schiller at uu.net> wrote:
> I'm not sure I understand your why not a /24 comment... can you clarify?
> Are you saying:
> 1. A customer with ten 3-month quarters (30 months) with a documented need
> of ten /24s should be able to reserve either:
> A] one /21 and one /23
> B] one /21 (rounded down to the nearest CIDR)
> C] one /20 (rounded up to the nearest CIDR)
> This customer could then attempt to justify and draw down one /24 every 3
I think that 1C is definitely valid, and probably where the original
/20 minimum came from.
> 4. A customer with a 30 month documented need for one /24 should be able
> to immediately draw down a single /24, but then get no additional
> transition space in the next 30 months.
Scenario 4 is what I was thinking of when I made the comment. I think
that this would open the door for smaller operators to get needed
addresses (without potentially being held over the coals by an
upstream) without opening any dangerous loopholes or introducing any
bias towards any particular type of Org.
> On Mon, 26 Jul 2010, Hannigan, Martin wrote:
> |Based on that, an entity would need to qualify for a /20 over a $long
> |time span. The time span noted does not perfectly match up to CIDR
> |boundaries FWIW, but it will when everything is settled.
> Maybe 32 months would be a more round number? Thats is 2^5 months.
> Unfortunately that would give use 10 quarters (3 month periods) and one
> two month period at the end.
If the addresses are to be handed out quarterly, then I think either a
24 or 48 month reservation period is better. A choice between the two
might be ideal but may also be more complicated than needed.
48 months obviously works with the /24 each quarter to a /20 minimum
reservation over the 48 month period. You could drop the minimum to
/21 and make it a 24 month period (maybe drop the maximum in this case
as well) in that scenario too...
32 months would favor a bimonthly dole.
Either way, I still think that we need a relief valve for small
operators who get stuck in a place where they can not reasonably go to
their upstream for any number of potential reasons and can not justify
a /20 (even over the given period).
> Jason Schiller (703)886.6648
> Senior Internet Network Engineer fax:(703)886.0512
> Public IP Global Network Engineering schiller at uu.net
> UUNET / Verizon jason.schiller at verizonbusiness.com
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