Chapter 1. Introduction to IPv6
“I am a little embarrassed about that because I was the guy who decided that 32-bit was enough for the Internet experiment. My only defense is that that choice was made in 1977, and I thought it was an experiment. The problem is the experiment didn’t end, so here we are.”
Internet Protocol version 6 (IPv6), the successor to Internet Protocol version 4 (IPv4), has been a long time coming. For more than 35 years, IPv4 has been an integral part of the Internet evolution. But it was designed at a time when there were fewer than 600 hosts on the Internet, before the World Wide Web, email, video streaming, mobile phones, and countless other ...
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