On 11/27/2012 11:19 AM, Dale W. Carder wrote: > Thus spake Dobbins, Roland (rdobb...@arbor.net) on Tue, Nov 27, 2012 at > 03:16:27PM +0000: >> >> On Nov 27, 2012, at 9:50 PM, Randy Bush wrote: >> >>> the cause is netflix and youtube, with a bit of help from fb and >>> non-youtube gobble. >> >> Just because their users can reach popular content-rich/high-bandwidth >> endpoint sites via IPv6 *that they can also reach via IPv4* doesn't seem to >> provide much of an incentive in and of itself for IPv6 deployment. > > I would consider 40% offload from your expensive CGN to be incentive in and > of itself.
Just a thought -- what percentage of flows is that 40% of traffic? Since it's mostly video I'd assume the bytes/flow would be far higher than the median. If you can get a reasonably high percentage of flows on IPv6, not only do take load off your CGN box, you can get higher users per public IPv4 address ratios and stretch your v4 allocation further. No idea if the numbers work out to make this a useful effect in the timeframe when it would be necessary, but it's a benefit I haven't heard voiced before. -Ben
