[ppml] [address-policy-wg] Those pesky ULAs again

[JORDI PALET MARTINEZ]

Agree, and in addition to that, I'm convinced that it is not good at all
that somebody else different than the RIRs start allocating addresses.

Regards,
Jordi




> De: "Wilfried Woeber, UniVie/ACOnet" <Woeber at CC.UniVie.ac.at>
> Organización: UniVie - ACOnet
> Responder a: <Woeber at CC.UniVie.ac.at>
> Fecha: Tue, 29 May 2007 11:08:49 +0000
> Para: Shane Kerr <shane at time-travellers.org>
> CC: <ppml at arin.net>, "address-policy-wg at ripe.net" <address-policy-wg at ripe.net>
> Asunto: Re: [ppml] [address-policy-wg] Those pesky ULAs again
> 
> Shane Kerr wrote:
> 
> [...]
>> 
>> If you insist on ULA central, my preferred implementation is a web
>> page where you click on a button that says "give me a ULA prefix" and
>> it allocates a random prefix that is not in use, and prints it on the
>> screen. The only implementation question I'm not sure about is whether
>> the list of allocated prefixes would be public or not; I lean towards
>> making it public, although there is a (small) privacy concern. I think
>> the cost of this implementation is low enough you could find a group
>> of volunteers to host the system.
> 
> My take on this is that (general) ULA is supposed to provide access
> to "almost" unique prefixes. This can be managed in a distributed way.
> 
> The "central" thing is supposed to take care of the 10^-<whatever>
> chance that your's is used by someone else, too. Thus it is only (more)
> useful (than general ULA) if the distribution environment can guarantee
> uniqueness.
> 
> Such a guarantee involves management and review, and complaint handling
> - eventually, plus protection against DoS-Attempts and legal protection.
> I am not convinced that a simple (=cheap / for free) mechanism is "good
> enough".
> 
>> --
>> Shane
> 
> Wilfried.
> 




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