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IPv6的历史新一代IP协议的设计，可以追溯到1992年6月。采用32位长的地址，在1978年是个正确的选择，但是到了1992年，它的弊端已逐渐显露出来（路由表膨胀，IP地址耗尽等等）。IAB（Internet Ar-chitecture Board）最初试图以CLNP为基础，开发新一代的IP协议；但是这一决定一
IPv6 History The design of a new generation of IP protocols goes back to June 1992. Using a 32-bit address was the right choice in 1978, but by 1992 its downsides were gradually revealed (routing tables expanded, IP addresses exhausted, etc.). The Internet Architecture Board (IAB) initially sought to develop a new generation of IP protocols based on CLNP; however, this decision, one