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The problem with IPv6 is the yield curve. Adopting IPv6 currently yields you some good PR, extra maintenance costs from troubleshooting minor compatibility prob

The problem with IPv6 is the yield curve. Adopting IPv6 currently yields you some good PR, extra maintenance costs from troubleshooting minor compatibility problems right now, and a great advantage of not losing IPv6-only customers at some distant time in the future, when IPv6-only hosts become a thing. So, from a business perspective, the optimal strategy is to delay the transition (and the ongoing maintenance costs) until IPv6-only customers become a quantifiable number (e.g. you could say that in 5 years about 5-10% of your target audience would not have IPv4, so switching to IPv6 would increase your sales by X%). You can't blame businesses for doing that. You don't play by these rules, you end up one of those companies blogging how they are forced to shut down despite having a marvelous and very sophisticated product. That said, you can change it very easily. Just offer IPv6 traffic at a slightly lower rate than IPv4. So every IPv6 packet costs you less than the IPv4 one. For unlimited connections, offer some rebate based on the fraction of IPv6 packets, or something. This will immediately put the incentives in the right places and the switch will happen at exponential rate.

ipv6_or_nat 5y ago
>That said, you can change it very easily. Just offer IPv6 traffic at a slightly lower rate than IPv4. How many cents per month will make you or anybody care? ISPs don’t even pay for the majority of their bandwidth, they get it for free via settlement free peering. Where’s the rebate going to come from that? On the fraction of bandwidth ISPs pay for, the wholesale rates are less than 5 cents per Mbps. On average a subscriber uses a few Mbps on average. Would 15 cents per month really motivate you to go all in on IPv6? On average bandwidth costs for an ISP are single digit percentages or less of all costs. Even if their wholesalers would fully discount all their IPv6 traffic (why would they do that?!) there’s only so much there to work with.

ipv6_or_nat 5y ago

>That said, you can change it very easily. Just offer IPv6 traffic at a slightly lower rate than IPv4. How many cents per month will make you or anybody care? ISPs don’t even pay for the majority of their bandwidth, they get it for free via settlement free peering. Where’s the rebate going to come from that? On the fraction of bandwidth ISPs pay for, the wholesale rates are less than 5 cents per Mbps. On average a subscriber uses a few Mbps on average. Would 15 cents per month really motivate you to go all in on IPv6? On average bandwidth costs for an ISP are single digit percentages or less of all costs. Even if their wholesalers would fully discount all their IPv6 traffic (why would they do that?!) there’s only so much there to work with.