IPv6 adoption has risen to 40% of Internet users over the past decade, but the transition remains slow due to fundamental changes in Internet architecture from address-based to name-based systems. Current predictions suggest completion around 2045, raising questions about the relevance of unique global addressing in modern network design.
IPv6 implementation challenges often stem from incomplete network configurations and lack of proper monitoring rather than inherent complexity. Happy Eyeballs protocol allows browsers to automatically choose between IPv4 and IPv6, masking potential connectivity issues. Network administrators should either fully commit to proper IPv6 implementation or avoid partial deployments that can lead to connectivity problems.