一、什么是ipv6升级

      duiyuzheigeipdizhilaishuo，sihudajiadoubijiaoshuxiyixie，yinweiwomenxuyaoshangwang，douhuiyouxiangyingdeipdizhi。danshijiumuqianlaikan，womensuoshiyongdesuoyoudeipdizhidoushiipv4dedizhi。neimeduiyuipv6dizhishishenmeni?jiandandijiang，ipv6deyanfagongsishiietf，xiangyingdequanmingshiinternet engineering task force，yejiushihulianwanggongchengrenwuzu。zheijiagongsishejideipv6shiyongyutihuanxianzailiuxingdeyigebanben，yejiushiipv4。danshiweishenmeyaotihuanni?zhuyaoshiyinweiriyipangdadejisuanji、 pingbandiannao dengxiangguandedianzichanpinyuelaiyueduodaozhide。　　

二、ipv6特点及用途

      duiyuipv6detedianyinggaishizheiyangde，yezhengshizheiyangdetediancaishideipv6nenggouzhujiandetidaiipv4.

    (1)duiyuipv6dedizhilaishuo，tadezhangdushi128wei，zheiyangyilaixiangyingdedizhikongjianjiuyouyuanlaideshuliangzengjiale2^128-2^32ge。

    (2)zheigeipv6haijubeifeichanglinghuodeipbaowentoubudegeshi。yibandoushiliyongyixiliegudinggeshikuozhantoubulaitihuanipv4limiandeyixiekebianzhangduxuanxiangziduan。duiyuipv6limianxuanxiangbufenxiangyingdechuxianfangshibianhuayeshicunzaide，rangluyouqinenggoufeichangjiandandeluguozheigexuanxiangjinerbuzuorenhedechuli，zheiyangyilaijiubabaowenchulisudutishengleyidakuai;

    (3)xiangyingdeipv6laishuo，tajianhualexiangyingdebaowentoubudegeshi，xiangyingdeziduanjinjinbaohan8ge，zheiyangyilaixiangyingdebaowenzhuanfajiuhuihenkuai，jinertigaolexiangyingdetuntuliang。　　

    (4)zheikuanipv6haikeyibuduandetigaoanquanxing。xiangguandeshenfenrenzhengyijiyinsiquandoushiipv6zuiweiguanjiandeyigetexing;

    (5)ipv6nenggouzhichihenduofuwuleixing;

    (6)zheigeipv6keyishixianxieyidejixuyanbian，lingwaihaizengjialeyixiegengxindegongneng，rangtashiheyuweilaijishufazhan;　　jinguoshangmiandejiandanlejie，xiangxinpengyoumenduiyuipv6shishenme，yijixiangguandezhishidouyoulekeyihenhaodelejie。suizheshidaidebuduanjinbu，xiangxinzheikuanipv6bijiangqudaiyihoudeipv4，chengweizuirangrenzhumudeyigebanben。lingwai，suizheshidaidebuduanjinbu，zheizhongipv6bijiangyijutaduyoudeyoushi，daitiipv4，zuizhongzouxiangshichang。

三、ipv6升级方案

    3.1.方案背景

    ipv4dizhichengbenjiaogao：muqian，quanqiuipv4dizhiyijingfenpeidaijin，ruguoweimeigehulianwangzhongduandoufenpeiyigeipv4dizhi，ipv4dizhibaoyouchengbenjianghuianggui

    ipv6lailin，xiayidaihulianwangshangjidaolai：juyuce，2020niandi，woguoipv6huoyueyonghushujiangchaoguo5yi， 2025nianwoguoipv6yonghuguimo、liuliangguimoweijushijieqianlie，ipv6shidaiyijinglailin，xiayidaihulianwangshangjiyijingdaolai

    guojiatuijinipv6bushuxingdongjihua：genju《tuijinipv6guimobushuxingdongjihua》yaoqiuzhongyangjishengbujizhengfu、yangqi、xinwenguangdiandanweiwangzhanxuyaoyu2018niandizhichiipv6fangwen。

    3.2.IPv6智能升级服务内容：

 （1）jichufuwu：

   1.提供域名解析的IPv6地址服务

   2.IPv6带宽接入服务

   3.内容转换服务

   网站二级和三级的链接支持率达95%（网站二、三级链接完整访问路径中的域名属于网站运营单位）

（2）安全服务：

   1.600G DDOS攻击防护

   2.网页防篡改，恶意代码注入安全防范

（3）溯源服务：

   1.提供按天查询溯源日志服务

   2.支持源IP、访问时间、网站URL、移动设备检索日志

（4）外链服务：

   1.网站内的友情链接、二级域名和其他应用链接支持IPv6访问