IPV6 renumbering painless?

Kurt Erik Lindqvist kurtis at kurtis.pp.se
Mon Nov 15 18:24:59 UTC 2004


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On 2004-11-14, at 18.10, Iljitsch van Beijnum wrote:

>
> On 13-nov-04, at 18:11, Hank Nussbacher wrote:
>
>> 30% usage and we need 32 bit ASNs?
>
> Usage is of course irrelevant, what counts is how many free ones are 
> left. This number is well below 70%.
>
> We would be better off upgrading to 32 bits AS numbers sooner rather 
> than later (unless we're confident we'll never run out of 16 bit ones) 
> because this way there are enough 16 bit AS numbers left. The current 
> 32 bit AS number proposal (that has been around for at least 4 years 
> now) should work very well for routers that aren't upgraded as long as 
> only leaf sites use the 32 bit AS numbers. 32 bit AS numbers for 
> transit ASes are best avoided until everyone has upgraded.

"32-bits should be enough for anyone", right? :-)

While I do think we need to start the upgrade process, I actually think 
that we still need to find a process to reclaim unused resources. 
Otherwise we will be back here sooner than later. And it will be much 
harder to get these resources back when the net is even larger than 
today...

- - kurtis -

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