Cisco CT IPv6技术交流 (NXPowerLite)

©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID1CTIPv6技术交流蒋星[e-mail]©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID2议程前言应用情况IPV6的特点分析IPV6标准情况现网设备需具备的条件现网设备支持情况©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID3前言©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID4IPv4地址分配情况截止到2008年12月，全球可供分配的IP地址少于14%©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID5更新:剩余的IPv4地址可能于2011年分配完毕IPv4终身IANA地址池2000年1月历史数据IPv4终身IANA地址池2000年1月历史数据2008年2月14日©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID6IPv6应用情况©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID7ServiceProviders•Carrier–Transitservices=ipv6transit•InterneteXchangePoint(IX)–NRN&ISP•BroadbandSPJapan-://=native•MobileSP–R&DandTrialsfor3G/4GservicesServiceProvidersWhoisDeployingIPv6Today?Enterprises•NRN,Universities,Schools,ResearchLabs•Governmentagencies,eg.USFederalmandate,Eurocontrol,Military,…•ITVendorsandSystemIntegrators,eg.Cisco,Bechtel,Microsoft,CommandInformation,…•ITdepartmentdeployingVistaandServer2008UNIVERSITYUNIVERSITY©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID8GlobalTransitProvidersNativeIPv6Cable&WirelessFlagTelecomFranceTelecom/OpenTransitGlobalCrossingLevel3NTT/VerioTelecomItaliaSparkleTiscaliVSNLInternational/TeleglobeTunneledIPv6AT&TSprintUUNET/MCI/Verizon©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID9IPv6行业情况NTT在2003年已经提供全球NativeIPv6服务2005年完成国内网络的NativeIPv6服务CiscoCRS-1，ASR1000Verizon在2009年全面提供IPv6服务Comcast在2006年骨干路由器全部是IPv6Enable–CiscoCRS-1,7600Sprint已经可以正式购买NativeIPv6和VPN服务9©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID10Comcast速览2400万有线用户(54%的普及率)1100万互联网用户和300万VoIP用户在55个市场中有817个视频集线器服务STBHD/DVR/VoD高速互联网(6Mbps)VoIP商业服务50-100Mbps(试用中)STBIP视频(已规划)高级广告(已规划)…Comcast通过2,000多台CRS-1+C7600提供v4/v6双栈服务成功案例40GIPoverDWDM骨干©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID11AccessSWIPv4/IPv6DualCoreResidenceFTTHCPEGE-PONONTOLTAAA/DHCPContentServersSBCMGAccessSWApplicationsRACSH.248Control….LNSNTTNGNDesignGq’DiameterMCPinDistributedIntegratedServiceEdgeVoice&VideoTelephony(SBC,v6/v4)POTSVVVoIPOperatorsIPTVVoD(SBC,HDTV,v6)InternetAccess(BB,LAC,PPPoE,v4)IPTVB’castTV(Multicast,SDTV/HDTV,v6)CiscoASR1000©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID12IPV6的特点分析©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID13IPV6的特点拥有巨大网址空间,IPv6地址空间由IPv4的32位扩大到128位，采用IPV6地址后，未来的移动电话、冰箱等信息家电都可以拥有自己的IP地址。地址层次丰富分配合理：IPv6的管理机构将某一确定的TLA分配给某些骨干网的ISP，然后骨干网ISP再灵活地为各个中小ISP分配NLA，而用户从中小ISP获得IP地址。实现IP层网络安全：IPv6要求强制实施因特网安全协议IPSec，并已将其标准化。IPSec支持验证头协议、封装安全性载荷协议和密钥交换IKE协议，这3种协议将是未来Internet的安全标准。无状态自动配置：IPv6通过邻居发现机制能为主机自动配置接口地址和缺省路由器信息，使得从互联网到最终用户之间的连接不经过用户干预就能够快速建立起来。©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID14IPv6复杂度1414协议标准网络能力应用协议网络协议DNS协议Tier1网络国外网络国内网络手机终端PDSN,HA,CCGRAN、Metro网络Backbone网络设备能力互通保证投资回报投入成本收益回报6to46to64to6V6资源接入核心转换搜索引擎门户网站eMailP2PV6复杂度©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID15IPV6标准情况©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID16Buildingthe“IPv6House”19941995-19982001-2004IESGIPngWGcreationIETFIPv6WGCoreSpecsMoreIETFspecs=LiveProtocol201xCommercialProducts&Infrastructures(6NET,GEANT)Today,CoreIPv6specificationsareIETFDraftStandardswell-tested&stable,enablingamoveto“fullproduction”19966Bonecreation20066BonePhased-out2007IPv6WGclosed6MANWG©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID17IETFIPv6StandardsCoreIPv6specificationsarestableandwelltestedIETFDraftStandards–IPv6AddressingArchitecture,–ICMPv6,NeighborDiscovery,–StatelessAuto-configuration,–IPv6over“DataLinkLayers”,–DNSRecord,–RoutingProtocols,–Tunneling,–MIB’s,–HeaderCompression,–MLD,etc.©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID18IETFIPv6Standardscont.2007:IPv6WGnowclosed–replacedby6MAN(Maintenance)WGIPv6Transition,thennowOperationsfocusedWorkingGroupsNGTransWG(closed),V6OPS(active)ManyotherWorkingGroupsworkingonIPv6features16ng,6LoWPAN,DHC,DNSext,MobilityeXtension(MEXT),Routing,Shim6,Softwire,…©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID19现网设备需具备的条件©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID20CDMA核心网IPv6技术要求©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID21CDMA核心网IPv6技术要求PDSN–SIPv6–MIPv6–PMIPv6©2006CiscoSystems,Inc.Allrightsreserved.CiscoConfidentialPresentation_ID22