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Mitigating sampling error when measuring internet client IPv6 capabilities

Zander, S., Andrew, L.L.H., Armitage, G., Huston, G. and Michaelson, G. (2012) Mitigating sampling error when measuring internet client IPv6 capabilities. In: Internet Measurement Conference (IMC' 12), 14 - 16 November 2012, Boston, MA



Despite the predicted exhaustion of unallocated IPv4 addresses be- tween 2012 and 2014, it remains unclear how many current clients can use its successor, IPv6, to access the Internet. We propose a refinement of previous measurement studies that mitigates intrin- sic measurement biases, and demonstrate a novel web-based tech- nique using Google ads to perform IPv6 capability testing on a wider range of clients. After applying our sampling error reduction, we find that 6% of world-wide connections are from IPv6-capable clients, but only 1–2% of connections preferred IPv6 in dual-stack (dual-stack failure rates less than 1%). Except for an uptick around IPv6-day 2011 these proportions were relatively constant, while the percentage of connections with IPv6-capable DNS resolvers has in- creased to nearly 60%. The percentage of connections from clients with native IPv6 using happy eyeballs has risen to over 20%

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