[address-policy-wg] Those pesky ULAs again

The smaller subnet in IPv6, if you want to keep autoconfiguration and other
things working, is /64, so why you want something smaller coming from the
RIRs ?

In addition to that, if you want to allow subneting for your customers and
your own network, you need extra bits for that. So that's why typically you
will get a minimum of /32 block from the RIR and customers will get a /48
from you.

Regards,
Jordi




> De: Jørgen Hovland <jorgen at hovland.cx>
> Responder a: <address-policy-wg-admin at ripe.net>
> Fecha: Tue, 29 May 2007 15:11:02 +0200
> Para: 'Roger Jørgensen' <roger at jorgensen.no>
> CC: 'Stephen Sprunk' <stephen at sprunk.org>, 'ARIN PPML' <ppml at arin.net>,
> <address-policy-wg at ripe.net>
> Asunto: RE: [address-policy-wg] Those pesky ULAs again
> 
> 
> 
> -----Original Message-----
> From: address-policy-wg-admin at ripe.net
> [mailto:address-policy-wg-admin at ripe.net] On Behalf Of Roger Jørgensen
> 
>> 1.) get ula-central and know for sure we won´t get into this issue ever
>> again.
>> 
>> 2.) administrate our own local version of ULA-central for the organization we
>> co-operate with
>> 
>> 3.) get RIR-space with all the add on administration and documentation...
>> For me, only option 1.) is a real option, the other two are just
>> work-around since we don´t need global routing of the address space in
>> question.
> 
> 
> The RIRs already provide globally unique address space. This is what you want.
> Both ULA-C and the RIRs do not guarantee global routability anyway.
> 
> ULA-L is never globally unique, so basically there is no such thing as "Unique
> Locally Assigned" addresses.
> 
> 
> Q: Is it correct that you can get a /26 IPv4 PA block, but you can't get a /96
> IPv6 PA block? Why is that?
> 
> Cheers,
> 
> J
> 
> 




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