亚博APP

ipv6shiinternet protocol version 6desuoxie，tashiietfshejideyongyutidaixianxingbanbenipxieyi-ipv4-dexiayidaiipxieyi。muqiandequanqiuyintewangsuocaiyongdexieyizushitcp/ipxieyizu。ipshitcp/ipxieyizuzhongwangluocengdexieyi，shitcp/ipxieyizudehexinxieyi。ipv6zhengchuzaibuduanfazhanhewanshandeguochengzhong，tazaibujiudejianglaijiangqudaimuqianbeiguangfanshiyongdeipv4。meigerenjiangyongyougengduoipdizhi。

简介

muqianyaboappshiyongdedierdaihulianwangipv4jishu，hexinjishushuyumeiguo。tadezuidawentishiwangluodizhiziyuanyouxian，conglilunshangjiang，bianzhi1600wangewangluo、40yitaizhuji。dancaiyonga、b、csanleibianzhifangshihou，keyongdewangluodizhihezhujidizhideshumudadazhekou，yizhimuqiandeipdizhijinhukujie。qizhongbeimeizhanyou3/4，yue30yige，errenkouzuiduodeyazhouzhiyoubudao4yige，zhongguojiezhi2010nian6yueipv4dizhishuliangdadao2.5yi，luohouyu4.2yiwangmindexuqiu。dizhibuzu，yanzhongdizhiyuelewoguojiqitaguojiahulianwangdeyingyonghefazhan。

yifangmianshidizhiziyuanshuliangdexianzhi，lingyifangmianshisuizhedianzijishujiwangluojishudefazhan，jisuanjiwangluojiangjinrurenmenderichangshenghuo，kenengshenbiandemeiyiyangdongxidouxuyaolianruquanqiuyintewang。zaizheiyangdehuanjingxia，ipv6yingyunersheng。dancongshuzishanglaishuo，ipv6suoyongyoudedizhirongliangshiipv4deyue8×10^28bei，dadao2^128（suanshangquanlingde）ge。zheibudanjiejuelewangluodizhiziyuanshuliangdewenti，tongshiyeweichudiannaowaideshebeilianruhulianwangzaishuliangxianzhishangsaoqinglezhangai。danshiyuipv4yiyang，ipv6yiyanghuizaochengdaliangdeipdizhilangfei。zhunquedeshuo，shiyong ipv6dewangluobingmeiyou2^128genengchongfenliyongdedizhi。shouxian，yaoshixianipdizhidezidongpeizhi，juyuwangsuoshiyongdeziwangdeqianzhuibixudengyu64，danshihenshaoyouyigejuyuwangnengrongna2^64gewangluozhongduan；qici，youyuipv6dedizhifenpeibixuzunxunjuleideyuanze，dizhidelangfeizaisuonanmian。danshi，ruguoshuoipv4shixiandezhishirenjiduihua，eripv6zekuozhandaorenyishiwuzhijiandeduihua，tabujinkeyiweirenleifuwu，haijiangfuwuyuzhongduoyingjianshebei，rujiayongdianqi、chuanganqi、yuanchengzhaoxiangji、qichedeng，tajiangshiwushibuzai，wuchubuzaideshenrushehuimeigejiaoluodezhenzhengdekuandaiwang。erqietasuodailaidejingjixiaoyijiangfeichangjuda。dangran，ipv6bingfeishiquanshimei、yilaoyongyi，bukenengjiejuesuoyouwenti。ipv6zhinengzaifazhanzhongbuduanwanshan，yebukenengzaiyiyezhijianfasheng，guoduxuyaoshijianhechengben，dancongzhangyuankan，ipv6youliyuhulianwangdechixuhezhangjiufazhan。 muqian，guojihulianwangzuzhiyijingjuedingchenglilianggezhuanmengongzuozu，zhidingxiangyingdeguojibiaozhun。

特点:

（1）ipv6dizhizhangduwei128bite，dizhikongjianzengdale2de96cifangbei；

（2）linghuodeipbaowentoubugeshi。shiyongyixiliegudinggeshidekuozhantoubuqudaileipv4zhongkebianzhangdudexuanxiangziduan。ipv6zhongxuanxiangbufendechuxianfangshiyeyousuobianhua，shiluyouqikeyijiandanluguoxuanxiangerbuzuorenhechuli，jiakuailebaowenchulisudu；

（3）ipv6jianhualebaowentoubugeshi，ziduanzhiyou7ge，jiakuaibaowenzhuanfa，tigaoletuntuliang；

（4）tigaoanquanxing。shenfenrenzhengheyinsiquanshiipv6deguanjiantexing；

亚博APP（5）zhichigengduodefuwuleixing；

（6）yunxuxieyijixuyanbian，zengjiaxindegongneng，shizhishiyingweilaijishudefazhan；

优势: 与IPV4相比，IPV6具有以下几个优势:

亚博APPyi、pv6juyougengdadedizhikongjian。ipv4zhongguidingipdizhizhangduwei32，jiyou2^32-1（fuhao^biaoshishengmi，xiatong）gedizhi；eripv6zhongipdizhidezhangduwei128，jiyou2^128-1gedizhi。

亚博APPer、ipv6shiyonggengxiaodeluyoubiao。ipv6dedizhifenpeiyikaishijiuzunxunjulei（aggregation）deyuanze，zheishideluyouqinengzailuyoubiaozhongyongyitiaojilu（entry）biaoshiyipianziwang，dadajianxiaoleluyouqizhongluyoubiaodezhangdu，tigaoleluyouqizhuanfashujubaodesudu。

亚博APPsan、ipv6zengjialezengqiangdezubo（multicast）zhichiyijiduiliudezhichi（flow control），zheishidewangluoshangdeduomeitiyingyongyoulezhangzufazhandejihui，weifuwuzhiliang（qos，quality of service）kongzhitigonglelianghaodewangluopingtai。

亚博APPsi、pv6jiaruleduizidongpeizhi（auto configuration）dezhichi。zheishiduidhcpxieyidegaijinhekuozhan，shidewangluo（youqishijuyuwang）deguanligengjiafangbianhekuaijie。

亚博APPwu、ipv6juyougenggaodeanquanxing。zaishiyongipv6wangluozhongyonghukeyiduiwangluocengdeshujujinxingjiamibingduiipbaowenjinxingxiaoyan，jidadezengqianglewangluodeanquanxing。