[136863] in North American Network Operators' Group
Re: Using IPv6 with prefixes shorter than a /64 on a LAN
daemon@ATHENA.MIT.EDU (Jack Bates)
Sat Feb 5 23:10:45 2011
Date: Sat, 05 Feb 2011 22:10:11 -0600
From: Jack Bates <jbates@brightok.net>
To: nanog@nanog.org
In-Reply-To: <6252EF3B-AF60-42A4-9E95-1130ACA580EF@delong.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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
