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现有的互联网是在IPv4协议的基础上运行。IPv6是下一版本的互联网协议,也可以说是下一代互联网的协议。IPv6的设计过程中除了一劳永逸地解决了地址短缺问题以外,还考虑了在IPv4中不能完美解决的一些问题,主要有端到端IP连接、服务质量(Quality of Service, 简称QoS)、安全性(Security)、多播、移动性、即插即用等。
The existing Internet is based on the IPv4 protocol. IPv6 is the next version of the Internet protocol, it can be said that the next generation Internet protocol. In addition to solving the problem of address shortage once and for all in the IPv6 design process, some problems that can not be perfectly solved in IPv4 are also considered. There are mainly end-to-end IP connections, Quality of Service (QoS), and security Security), multicast, mobility, plug and play, and more.