On Apr 7, 2013, at 18:21 , Rajiv Asati (rajiva) <raj...@cisco.com> wrote:
> Dual-stack in the home networks will stay with us for a long time (beyond > 2020!) until v4-only user devices and v4-only apps get refreshed. I disagree. I think that v4-only apps and devices will get relegated to being connected through v4-v6 adapter appliances until they are fixed. IPv4 is simply going to become far too expensive to maintain to be able to deliver it for residential pricing. > Of course, this doesn't mean that the ISP access needs to stay dual-stack, > thanks to MAP, 464XLAT etc. > Right... Those are some of the ways that maintaining IPv4 will become so expensive. ;-) Owen