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Half of Internet traffic will be IPv6 by 2020

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As we've crossed into the second half of 2017, it's time to take stock of how the Internet continues to evolve from the pure IPv4 network from nearly a decade ago, to the increasingly mixed IPv4-IPv6 Internet of today. Over the last few years, I've posted a summary of google's IPv6 statistics measurements and extrapolated these forward a year or two based on exponential and quadratic regression curves. Google's data represents one perspective though probably a good indicator for the Internet at large. In this post, we'll take a walk down memory lane first to see how prior years' predictions have panned out. In February, 2014, I posted my first set of curve fitting projections as related in the table below along with actual measurements: End of year Exponential Quadratic Actual 2014 5.9% 4.9% 5.7% 2015 13.8% 8.2% 10.0% 2016 32.3% 12.5% 16.8% Clearly, the exp