[arin-ppml] is NAT an inevitabile part of IPv4 / IPv6 transition

[Joel Jaeggli]

On 2/8/11 5:46 PM, Lee Howard wrote:
> Jason tried to refocus the thread.
> Forget the past fifteen years.  It is past.
> 
> John, Tony, you are saying, "There is no way to avoid extensive deployment of 
> large-scale NAT44 in ISP networks"?
> 
> I have a hard time accepting that, since nobody wants it.  It runs contrary to 
> everyone's interest.  It is a temporary solution at best, so companies have to 
> deal with both LSN and IPv6, instead of just IPv6.  Is everyone really resigned 
> to this?

the second you need one ip address you don't have and can't obtain
you've got to be ready. one suspects the need for margin of error means
you have to be ready rather before that. if new v4 assignments were part
of the engine of subscriber growth then you're stuck...

given that wireless carrriers are there already it's not really a
question of maybe. v6 only deployments will occur but that's not per-say
a solution.

> Lee
> 
> 
> ----- Original Message ----
>> From: John Curran <jcurran at istaff.org>
>> To: Tony Hain <alh-ietf at tndh.net>
>> Cc: ARIN-PPML List <arin-ppml at arin.net>
>> Sent: Tue, February 8, 2011 6:06:42 PM
>> Subject: Re: [arin-ppml] is NAT an inevitabile part of IPv4 / IPv6 transition
>>
>> On Feb 8, 2011, at 6:38 PM, Tony Hain wrote:
>>
>>> If the IANA pool had  run dry in 2009, the media attention we are seeing 
> this
>>> past week would  have already occurred, and CIOs would have already started
>>> efforts that  are just now getting underway. The point is that dual-stack
>>> requires  sufficient time to keep the old one working, so waiting until that
>>> is no  longer an option as the starting point is guaranteed to create 
> failure
>>>  modes. 
>>>
>>> There is no one place to assign blame here, and blame  was never my intent.
>>> If I had not put out my graph in 2005, attention on  the consumption rate
>>> from IANA might have been ignored until it was too  late to have any
>>> significant effect on the date, because Geoff's graphs  from that time said
>>> 2019. If the RIR's collectively had not changed the  practice of when & how
>>> much to acquire from IANA at one time, the  pool would have clearly burned
>>> down at least 2 years ago. 
>>>
>>> The point is simply that an opportunity for a graceful transition was  lost
>>> because high level attention to the issue was deferred to the point  where 
> it
>>> was too late.
>>
>> Hah. High-level attention doesn't drive  deployment (except in a central-
>> planning or heavily regulated environment),  a successful business case 
>> drives deployment.  
>>
>> The opportunity  for graceful transition was lost when we both failed 
>> to include transparent  interoperability and then further provided no 
>> additional functionality to  drive deployment.  Reference RFC  1669.
>>
>> /John
>>
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> 
> 
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