互联网协议版本6 (IPv6) 白皮书.pdf

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1、WPTemplate6/23/042:42PMPage1InternetProtocolVersion6JohnRoeseChiefTechnologyOfficerEnterasysNetworksPage1of24•WhitepaperWPTemplate6/23/042:42PMPage2TableofContentsIntroduction.................................................3WhyInternetProtocolVersion6?.....

2、....................3IPv6History...........................................3DifferencesbetweenIPv4andIPv6.......................4BenefitsofIPv6........................................5IPv6Transition;WhoWillUseitandWhere?......................6GlobalTransitio

3、ntoIPv6.................................6IPv6TransitionOptions..................................6WhoWillTransitiontoIPv6?..............................7WhereIPv6isUsedintheNetwork.......................9IPv6:TheTechnology.....................................

4、...10Introduction..........................................10TechnicalChangesfromIPv4............................10AnIntroductiontotheIPv6AddressingArchitecture........12UnicastAddresses....................................13AnycastAddresses..................

5、..................13MulticastAddressing...................................14UseofUnicastAddresses..............................16UseofAnycastAddresses..............................16UseofMulticastAddresses.............................16ImpactofNewAddressingF

6、ormats......................17ImpactofIPv6AddressAuto-Configuration................18HeaderFlowLabelsandHeaderExtensions...............18IPv6:TheSecurityPerspective..........................19IPv6andConvergence.......................................21Introdu

7、ction..........................................21IPv6andReal-TimeApplications........................21Conclusion.................................................22Summary.............................................22TechnicalReferences.....................

8、.............22OtherWebReferences.................................23Page2of24•WhitepaperWPTemplate6/23/042:42PMPage3IntroductionIPv6hasbeenstandardizedforanumberofyears,althoughadditionalworkiss