Owen and Mike,

It is very clear. Thank you.

Rgs,
Masato

On 2014/09/03 15:00, "HENDERSON MIKE, MR" <michael.hender...@nzdf.mil.nz>
wrote:

> Masato,
>  
> My position is exactly aligned with Owen’s:
> “I do not support the proposal as written. I would support it if /28s were
> issued whenever possible and /29s were only issued in cases where the existing
> assignment or allocation cannot be expanded to at least /28.”
> 
>  
>  
> Regards
>  
>  
> Mike
>  
> 
> From: Owen DeLong [mailto:o...@delong.com]
> Sent: Thursday, 4 September 2014 9:27 a.m.
> To: Masato Yamanishi
> Cc: HENDERSON MIKE, MR; sig-pol...@apnic.net
> Subject: Re: [sig-policy] New version of prop-111: Request-based expansion of
> IPv6 default allocation size [SECURITY=UNCLASSIFIED]
>  
> 
> On Sep 3, 2014, at 2:12 PM, Masato Yamanishi <myama...@japan-telecom.com>
> wrote:
>  
> 
> Hi Mike,
> 
>  
> 
> Thank you for you comment and let me clarify your one point.
> 
>  
> 
> On 2014/09/02 16:07, "HENDERSON MICHAEL, MR" <michael.hender...@nzdf.mil.nz
> <mailto:michael.hender...@nzdf.mil.nz> > wrote:
> 
>  
>> 
>> I do not favour IPv6 allocations on “non-nibble” boundaries, I believe that
>> allocations ought to be made on “nibble” (i.e. 4-bit) boundaries. On that
>> basis, the next allocation larger than /32 would be /28, not /29.
>> 
>> Address masking and calculation on /29 boundaries will in my view be quite
>> nasty, and the size of the IPv6 address space is sufficiently large that we
>> need not, and therefore should not, impose such inconveniences on ourselves.
>> 
>>  
>> 
>> Hence, in my IPv6 allocation world, a resource holder who has a demonstrated
>> need (for whatever value of ‘need’ seems appropriate) for address space
>> larger than /32, should be allocated a /28.
>> 
>> If they are ‘growing’ an existing /32, then the new /28 would very preferably
>> be one that includes the currently-allocated /28.
>> 
>>  
>> 
>>  
>> 
>> However, I understand the current situation is that the ‘legacy’ IPv6 address
>> allocation was for smaller allocations within blocks on /29 boundaries, if I
>> read the Proposition correctly.
>> 
>> As a special case only, I would support the allocation of these ‘legacy /29’
>> blocks. The provisos being that firstly they do fall into this ‘legacy’
>> category, and that secondly it is not possible (owing to allocation to a
>> third party) to allocate a /28 to the relevant resource holder
>> 
>>  
>> 
>>  
> 
>  
> 
> But this proposal is NOT ONLY for the special case.
> 
> Every organizations, which are new comers, “legacy” IPv6 space holder, and
> existing IPv6 space holder with sparse allocation mechanism,
> 
> will be eligible for /29 by providing necessary information as shown in Sec.4.
> 
>  
> Which I believe is a flaw in the proposal.
> 
> 
> 
>  
> 
> So, can you share your preference for current proposed text as it is?
> 
>  
> I do not support the proposal as written. I would support it if /28s were
> issued whenever possible and /29s were only issued in cases where the existing
> assignment or allocation cannot be expanded to at least /28.
> 
>  
> 
> Owen
> 
> 
> 
>  
>> 4. Proposed policy solution
>> ----------------------------
>>  
>> - Change the text to "5.2.2 Minimum initial allocation size" of
>> current policy document as below:
>>  
>> Organizations that meet the initial allocation criteria are
>> eligible to receive an initial allocation of /32. The organizations
>> can receive up to /29 by providing utilization information of the whole
>> address space.
>>  
>> - Add following text in the policy document:
>>  
>> for Existing IPv6 address space holders
>>  
>> LIRs that hold one or more IPv6 allocations are able to request
>> extension of each of these allocations up to a /29 without meeting
>> the utilization rate for subsequent allocation by explaining
>> how the whole address space will be used.
>>  
> 
> Rgs,
> 
> Masato
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