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With everything from smartphones to Internet-linked appliances and cars getting online, the group entrusted with organizing the Web is running out of the IP numbers that identify destinations for digital traffic. 受托管理互联网的机构表示，随着智能手机、联网电器，甚至联网汽车的出现，用来识别数字通信目的地的全球IP地址即将用尽。 The touted solution to the problem is a switch to a standard called IPv6 that allows trillions of Internet addresses, while the current IPv4 standard provides a meager four billion or so. 针对这一棘手问题，最受青睐的一种解决方案是从目前的互联网通信协议IPv4转换到IPv6。IPv6可以提供数万亿个网络通信地址，而IPv4提供的地址大概只有40亿个，相比之下少得可怜。 ICANN has been calling for a change to IPv6 for years but websites and Internet service providers have been clinging to the old standard since the birth of the Internet. 国际互联网名称和编号分配公司早在几年前就开始呼吁转换到IPv6，但自从互联网出现以来，网站和互联网服务提供商一直不肯放弃IPv4。 One of the reasons it has taken so long to change is that there is no obvious advantage or killer application for IPv6, Colitti said. 工程师考莱迪说：转换到IPv6耗时多年的原因之一是IPv6没有明显优势，或者杀手级应用软件。 | 
