六级阅读文章:全球互联网IP地址即将用尽
<p> <span word="With">With</span> <span word="everything">everything</span> <span word="from">from</span> <span word="smartphones">smartphones</span> <span word="to">to</span> <span word="Internet">Internet</span>-<span word="linked">linked</span> <span word="appliances">appliances</span> <span word="and">and</span> <span word="cars">cars</span> <span word="getting">getting</span> <span word="online">online</span>, <span word="the">the</span> <span word="group">group</span> <span word="entrusted">entrusted</span> <span word="with">with</span> <span word="organizing">organizing</span> <span word="the">the</span> <span word="Web">Web</span> <span word="is">is</span> <span word="running">running</span> <span word="out">out</span> <span word="of">of</span> <span word="the">the</span> <span word="IP">IP</span> <span word="numbers">numbers</span> <span word="that">that</span> <span word="identify">identify</span> <span word="destinations">destinations</span> <span word="for">for</span> <span word="digital">digital</span> <span word="traffic">traffic</span>.</p><p> 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<span word="IP">IP</span>地址即将用尽。</p><p> <span word="The">The</span> <span word="touted">touted</span> <span word="solution">solution</span> <span word="to">to</span> <span word="the">the</span> <span word="problem">problem</span> <span word="is">is</span> <span word="a">a</span> <span word="switch">switch</span> <span word="to">to</span> <span word="a">a</span> <span word="standard">standard</span> <span word="called">called</span> <span word="IPv">IPv</span>6 <span word="that">that</span> <span word="allows">allows</span> <span word="trillions">trillions</span> <span word="of">of</span> <span word="Internet">Internet</span> <span word="addresses">addresses</span>, <span word="while">while</span> <span word="the">the</span> <span word="current">current</span> <span word="IPv">IPv</span>4 <span word="standard">standard</span> <span word="provides">provides</span> <span word="a">a</span> <span word="meager">meager</span> <span word="four">four</span> <span word="billion">billion</span> <span word="or">or</span> <span word="so">so</span>.</p><p> 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<span word="IPv">IPv</span>4转换到<span word="IPv">IPv</span>6。<span word="IPv">IPv</span>6可以提供数万亿个网络通信地址，而<span word="IPv">IPv</span>4提供的地址大概只有40亿个，相比之下少得可怜。</p><p> <span word="ICANN">ICANN</span> <span word="has">has</span> <span word="been">been</span> <span word="calling">calling</span> <span word="for">for</span> <span word="a">a</span> <span word="change">change</span> <span word="to">to</span> <span word="IPv">IPv</span>6 <span word="for">for</span> <span word="years">years</span> <span word="but">but</span> <span word="websites">websites</span> <span word="and">and</span> <span word="Internet">Internet</span> <span word="service">service</span> <span word="providers">providers</span> <span word="have">have</span> <span word="been">been</span> <span word="clinging">clinging</span> <span word="to">to</span> <span word="the">the</span> <span word="old">old</span> <span word="standard">standard</span> <span word="since">since</span> <span word="the">the</span> <span word="birth">birth</span> <span word="of">of</span> <span word="the">the</span> <span word="Internet">Internet</span>.</p><p> 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<span word="IPv">IPv</span>6，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<span word="IPv">IPv</span>4。</p><p> <span word="One">One</span> <span word="of">of</span> <span word="the">the</span> <span word="reasons">reasons</span> <span word="it">it</span> <span word="has">has</span> <span word="taken">taken</span> <span word="so">so</span> <span word="long">long</span> <span word="to">to</span> <span word="change">change</span> <span word="is">is</span> <span word="that">that</span> <span word="there">there</span> <span word="is">is</span> <span word="no">no</span> <span word="obvious">obvious</span> <span word="advantage">advantage</span> <span word="or">or</span> <span word="killer">killer</span> <span word="application">application</span> <span word="for">for</span> <span word="IPv">IPv</span>6, <span word="Colitti">Colitti</span> <span word="said">said</span>.</p><p> 工程师考莱迪说：转换到<span word="IPv">IPv</span>6耗时多年的原因之一是<span word="IPv">IPv</span>6没有明显优势，或者杀手级应用软件。</p>
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