The currently used Internet Protocol version 4 (IPv4) manages about four billion addresses and has reached its limit, experts said.

专家称，目前使用的网络协议IPv 4管理的约40亿个互联网地址，已经达到它的上限。

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Internet Protocol version 4 (IPv4) will not be able to cope with the growing popularity of smartphones, IPTV, and other gadgets connecting to the Internet.

Internet Protocol version 4 (IPv4)无法适应不断增长的智能手机、IPTV和其他连接Internet的gadget。

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IPV6 is the "next generation" protocol designed by the IETF9 (Internet Engineering Task Force ) to replace the current version Internet Protocol , IP Version 4("IPV4").

IPV6是由IETF设计的下一代互联网协议，目的是取代现有的互联网协议第四版（IPV4 ）。 IPV4在过去的应用具有辉煌的业绩，但是现在看来已经暴露出很多弊端。

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IPV6 is the "next generation" protocol designed by the IETF9 (Internet Engineering Task Force ) to replace the current version Internet Protocol , IP Version 4("IPV4").

IPV6是由IETF设计的下一代互联网协议，目的是取代现有的互联网协议第四版（IPV4 ）。 IPV4在过去的应用具有辉煌的业绩，但是现在看来已经暴露出很多弊端。

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