《大中华区产品经理》PPT课件

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1、Solaris™8IPv6鄧偉文大中華區產品經理昇陽電腦IPv6OverviewTransitioningtoIPv6PhilosophyandrequirementsTransitiontoolsScenariosAPItransition-portingsocketapplicationsSolaris™8ConfigurationandUseOutlineEnoughaddressspacefornewInternetdevices!!!Plug&play(autoconfiguration,renumbering

2、)IPlevelsecurityfromdayoneIPmulticastfromdayoneTrafficclassfieldfordifferentiatedserviceFlowlabelformoreefficienthandlingofreservedQoSEfficientIPmobilitysupportNeighborDiscovery(ARP++)forautoconfigandimprovedrobustnessNewIPv6FeaturesUnicastaddressesGlobaladdresse

3、sNowusesprefix-basedhierarchicalallocation(CIDR)PrivateIPaddressspace(RFC1918)MulticastaddressesDelivertoagroupaddressAnyhostcanjoinagroupaddressandreceivepacketsAnycastfunctionalitypossibleusingroutingsystemLogicalserviceimplementedbymultipleserversAnycastusesth

4、eroutingsystemtodelivertooneserverCompare:MulticastwoulddelivertoallserversIPv4AddressingLargeraddresses-128bitsinsteadof32bitsMultipleaddressesrequiredforhosts(new)Globaladdresses(hierarchicalallocation)Site-localaddresses(new-likeIPv4privateaddr)Isolatetheinter

5、naltrafficfromexternalchangesLink-localaddresses(new)ForbootingandroutingprotocoltrafficMulticastIncludesscopeinformationinIPv6Anycast(formalizednotion)IPv6vs.IPv4AddressingGlobaladdress3bits13bits32bits16bits64bits010TLANLA(s)SubnetInterfacetokenSitelocaladdress

6、10bits38bits16bits64bits1111111011000…0SubnetInterfacetokenLinklocaladdress10bits54bits64bits1111111010000…0InterfacetokenMulticastaddress8bits44112bits11111111flagsscopeGroupIDIPv6AddressFormatsRecallIPv4uses“dotteddecimal”notationEachbyteisindecimale.g.129.146.

7、86.130IPv6:colonseparatedhexadecimal16-bitquantitiesFF02:0:0:0:0:1:200E:8C6C(8components)FF02::1:200E:8C6C(“::”meansall-zerocomponents)IPv6addressescontainingIPv4:combination0:0:0:0:0:ffff:129.146.86.130::ffff:129.146.86.130(compressed)TextRepresentationofAddress

8、esTransitionPhilosophy—RequirementsLetsitesandISPstransitionattheirownpaceNoglobalcoordinationMinimizeanydependenciesduringthetransitionProvideamultitudeof“to