What's really needed is a routing slot market (was: Using IPv6 withprefixes shorter than a /64 on a LAN)

Owen DeLong owen at delong.com
Mon Feb 7 15:10:07 CST 2011


On Feb 7, 2011, at 12:19 PM, Matthew Petach wrote:

> On Mon, Feb 7, 2011 at 12:04 PM, Owen DeLong <owen at delong.com> wrote:
>> 
> ...
>> On the other hand, when we can deprecate global routing of IPv4, we
>> will see an earth shattering improvement as the current 10:1 prefix
>> to provider ratio (300,000 prefixes for ~30,000 active ASNs) drops
>> to something more like 2:1 in IPv6 due to providers not having to
>> constantly run back to the RIR for additional slow-start allocations.
>> 
>> Owen
> 
> I suspect as we start seeing the CIDR report for IPv6, we'll see that
> ASNs are announcing considerably more prefixes than that, in order
> to localize traffic better.  I don't think it'll be 300,000 prefixes, but
> I'd be willing to bet it'll be more than 100,000--not exactly "earth
> shattering improvement".
> 
> Matt
> (hopeless deaggregator)

Currently: 3,134 IPv6 ASNs active.
Currently: 4,265 IPv6 prefixes.

Looks like less than 2:1 to me.

That's as close as I think I can get to an IPv6 CIDR report for the moment.

Owen





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