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[AfriNIC-rpd] Re: [resource-policy] AfriNIC Policy Proposal:IPv6ProviderIndependent (PI) Assignment for End-Sites

Fri Mar 16 09:56:12 UTC 2007

Ok. My *personal* view, today, with the information I've at hand, is that
/48 will be enough for 99.99% of the sites. I don't want to say forever, as
you never know, but for sure for long time in terms of tens of years

That's why I'm convinced that /48 as a starting point for this makes sense
(in terms of *SIZE*, a different history is what may happens with routing
filters/practices). But I prefer to see a policy that allows, with the
corresponding justification to AfriNIC, this size to be extended if required
(for example the requester end-user-organization has more than one site).


> De: Leo Vegoda <leo.vegoda at>
> Responder a: <leo.vegoda at>
> Fecha: Fri, 16 Mar 2007 10:43:19 +0100
> Para: <jordi.palet at>, AfriNIC Resource Policy Discussion List
> <rpd at>
> Asunto: Re: [AfriNIC-rpd] Re: [resource-policy] AfriNIC Policy
> Proposal:IPv6ProviderIndependent (PI) Assignment for End-Sites
> Hi Jordi,
> On Mar 16, 2007, at 10:12 AM, JORDI PALET MARTINEZ wrote:
>> Hi Leo,
>> Well, I see your point, but somehow disagree ...
> I'm not sure I was making a point. I was trying to ask a question.
>> I think with the deployment of IPv6 we will see different ways of
>> using
>> subnets. Basically, many more subnets in each end-site, compared to
>> what we
>> typically see in IPv4.
>> We don't expect that all the possible interfaces provided by the 64
>> bits of
>> each subnet are going to be use in each subnet, and was never the
>> intend
>> with the design of IPv6, because that allows autoconfiguration,
>> privacy
>> addresses, CGAs, and many more things for sure to come.
>> I know about new technologies being developed that in fact use, in a
>> residential customer, hundreds of subnets. Probably /48 seems to
>> much, but
>> for example, /56 (256 subnets) is too low for those cases. I'm sure
>> that in
>> case of corporate customers the number of subnets will be closer
>> to /48 than
>> in the case of a residential customer, as typically business have a
>> higher
>> demand for addresses.
> I understand that the need for conservation is less powerful with
> IPv6 than IPv4. Nonetheless, the need for careful stewardship of the
> number space remains. I don't yet have a clear idea of what
> proportion of networks receiving a /48 prefix would ever need to
> expand their assignment from a /48 to a /47 - or a shorter prefix.
> I'm not even sure which end of the spectrum people think is likely,
> hence my question.
> I'd be grateful for your thoughts on this topic.
> Regards,
> -- 
> Leo Vegoda
> IANA Numbers Liaison

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