国际IPv6网址发放原则介绍.ppt

国际IPv6网址发放原则介绍.ppt

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1、陳錦洲中華電信研究所April10,2002國際IPv6網址發放原則介紹2002網際網路趨勢研討會IPv6Tutorial234ReferenceRFC1881IPv6AddressAllocationManagementRFC2373IPv6AddressingArchitectureRFC2450TLA&NLAAssignmentRulesRFC2471IPv6TestingAddressAllocationRFC29216BONEpTLAandpTLAFormatsRFC2928Initi

2、alIPv6Sub-TLAIDAssignmentsRFC2374AnIPv6AggregatableGlobalUnicastAddressFormat567IPv6AddressAllocationandAssignmentGlobalPolicyDraftofDecember,222001Version2001-12-22OverviewInparticular,[RFC2373,RFC2373bis]designates2000::/3tobeglobalunicastaddresssp

3、acethatIANAmayallocate.IANAhasassignedinitialrangesofglobalunicastIPv6addressspacefromthe2001::/16addressblocktotheexistingRIRs.Thisdocumentconcernstheinitialandsubsequentallocationsofthe2000::/3unicastaddressspace,forwhichRIRsformulateallocationpoli

4、cies.ThisdocumentupdatesandreplacesalltheguidelinesandproceduresoftheexistingProvisionalIPv6Policies[RIRv6-Policies]basedonovertwoyearsofexperiencewiththe1999policy.Addresspoliciesshouldbegloballyuniformandformulatedinabottom-upmannerthroughconsensus

5、processesatregionalandgloballevels.9Definitions(1/7)AutonomousSystem(AS)AutonomousSystemsaretheunitofroutingpolicyintheworldofexteriorrouting,andarespecificallyapplicabletoprotocolslikeBGP[RFC1771].InternetRegistry(IR)AnInternetRegistry(IR)isanorgani

6、zationthatisresponsiblefordistributingIPaddressspacetoitsmembersorcustomersandforregisteringthosedistributions.10Definitions(2/7)InternetAssignedNumbersAuthority(IANA)TheInternetAssignedNumbersAuthority(IANA)hasresponsibilityformanagementoftheentireI

7、PaddressspaceusedontheInternet.RegionalInternetRegistry(RIR)RegionalInternetRegistries(RIRs)areestablishedandauthorizedbyrespectiveregionalcommunities,andrecognizedbytheIANAtoserveandrepresentlargegeographicalregions.11Definitions(3/7)Currently,there

8、arethreeRIRs:APNIC,RIPENCC,andARIN.PreparationsarebeingmadetoestablishLACNICandAfriNIC.NationalInternetRegistry(NIR)ANationalInternetRegistry(NIR)isanIRthatprimarilyallocatesaddressspacetoitsmembers,whichareLocalInternetRegistries(LIRs).12Definitions

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