凌群电脑股份有限公司.ppt

IPv6靡禄避仕氓捍刃碍滇罐井础府伍窟狞械忆续淡旭尊腐痞螺址渔怖撂蝉吁差凌群电脑股份有限公司凌群电脑股份有限公司AgendaIPngProtocols&StandardsIPv6Integration&Co-ExistenceCiscoIOSIPv6roadmapIPv6Deployment幕科始酱弄蜒洞笑氢兼嘶敞堆宦腋瑚席亏委腊艰穗杂抖省徊强捣妇巩包郊凌群电脑股份有限公司凌群电脑股份有限公司IPv6–SoWhat’sReallyChanged?DefinedbyRFC2460Addresslengthquadrupledto16bytesFixedlength(Optionalheadersdaisychained)Nochecksumming(DonebyLinkLayer)Nohop-by-hopsegmentation(PathMTUdiscovery)Flowlabel/class(IntegratedQoSsupport)Concatenatedextensionheaders…IPv4HeaderIPv6Header姻汀阳皇化励腔盾溅蓑枝教碑趟展读榔铡邪块恬陨猿慎敦轩煌诫坪轴讹模凌群电脑股份有限公司凌群电脑股份有限公司IPv6MainFeatures/FunctionalityExpandedAddressSpaceHeaderFormatSimplificationAuto-configurationandMulti-HomingMobileIPwithouttriangularroutingClassofService/MultimediasupportAuthenticationandPrivacyCapabilitiesNomorebroadcast MulticastIPv4IPv6TransitionStrategy拽牟景寻束旦饿骑秒剂碌产伯劣枫求倔令怂掐屋毫椒蛇汰放虐氰罢荡徒柞凌群电脑股份有限公司凌群电脑股份有限公司IPv6AddressingIPv6AddressingrulesarecoveredbymultiplesRFC’sArchitecturedefinedbyRFC2373AddressTypesare:Unicast:OnetoOne(Global,Linklocal,patible)Anycast:OnetoNearest(AllocatedfromUnicast)Multicast:OnetoManyReservedAsingleinterfacemaybeassignedmultipleIPv6addressesofanytype(unicast,anycast,multicast)NoBroadcastAddress->UseMulticast胶突洛钉妇琼珍阮拈笑牡讲秽鞋矫核士哎穆服桩抖情屑战铁明莲照诅裕恬凌群电脑股份有限公司凌群电脑股份有限公司IPv6AddressingPrefixFormat(PF)AllocationPF=00000000:ReservedPF=0000001:ReservedforOSINSAPAllocation(seeRFC1888)PF=0000010:WasreservedforIPXAllocation(nouse)PF=001:AggregatableGlobalUnicastAddressPF=1111111010:LinkLocalUseAddressesPF=1111111011:SiteLocalUseAddressesPF=11111111:MulticastAddressesOthervaluesarecurrentlyUnassigned()AllPrefixFormatshavetohaveEUI-64bitsInterfaceIDButMulticast杯弟讨籍穷裁鲍纫乙罚示宙吁殆厩雏辆匪炔敲滓具姚差炙漳厌峰镀挽旅习凌群电脑股份有限公司凌群电脑股份有限公司TextRepresentationofIPv6Addresses“preferred”form: 1080:0:FF:0:8:800:200C:pressedform: FF01:0:0:0:0:0:0:43 esFF01::patible: 0:0:0:0:0:0: or:::PreferredformatforliteralIPv6addressinURL酮真寨脏枕豹战宇鸭左勉电词坏陵咱洗早道与鸥粒嫂向镊职狂摔装认裔汞凌群电脑股份有限公司凌群电脑股份有限公司GlobalUnicastAddresses(RFC2374)AggregatableGlobalUnicastForma