skade88 writes "IPv4 is much like a limited natural resource; it can't last forever. The well of new IPv4 addresses is already running dry in many parts of the world. The solution to this problem, which was presented decades ago, is to switch to IPv6. With peak IPv4 far behind us, why do we still see limited IPv6 adoption? Ars takes a good look at where we are and where we are going with the future of IP addresses, the internet and you. Quoting: 'As with all technology, IPv6 gets better and cheaper over time. And just like with houses, people prefer waiting rather than buying when prices are dropping. To make matters worse, if you're the only one adopting IPv6, this buys you very little. You can only use the new protocol once the people you communicate with have upgraded as well. Worse still, you can't get rid of IPv4 until everyone you communicate with has adopted IPv6. And the pain of the shrinking IPv4 supplies versus the pain of having to upgrade equipment and software varies for different groups of Internet users. So some people want to move to IPv6 and leave IPv4 behind sooner rather than later, but others plan on sticking with IPv4 until the bitter end. As a result, we have a nasty Nash equilibrium: nobody can improve their own situation by unilaterally adopting IPv6.'"
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