Using IPv6 with prefixes shorter than a /64 on a LAN

Sun Feb 6 04:10:11 UTC 2011

On 2/5/2011 9:44 PM, Owen DeLong wrote:
> In IPv6, we should be looking to do 5 or 10 year allocations. We can 
> afford to be fairly speculative in
> our allocations in order to preserve greater aggregation.
>

And even if networks were only getting an 8 bit slide, that's 256 trips 
back to the RIR to get to their current allocations sizes (over 1000 
years if they had to return once every 5 years). However, 12-16 bit 
slides seem more common (perhaps John knows the exact slide ratio, 
though I suspect many ISPs haven't really nailed down what they need in 
v6 yet) and that can exceed 10 year allocation rates for some ISPs.

Jack