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1、網(wǎng)絡(luò)虛擬化的變革思科系統(tǒng)(中國(guó))網(wǎng)絡(luò)技術(shù)有限公司Agenda鏈路的虛擬化設(shè)備的虛擬化服務(wù)的虛擬化全面的虛擬化總結(jié)司空見(jiàn)慣的虛擬化EthenetportchanelMultilinkpppHSRP/GLBPLocalAccessLoop=64kbpsDLCI:400PVCDLCI:500DLCI:200DLCI:100PVCFrame-relay/ATM---SVC/PVCVirtualizedInterconnectL3VPNs–MPLSVPNs,GRE,VRF-Lite,MPLSservicesoverGRE,VNETs*L2VPNs-AToM,Unif
2、iedI/O,VLANtrunks,OTV*虛擬鏈路(ipsec/ssl-vpn)實(shí)現(xiàn)遠(yuǎn)程用戶(hù)安全接入總部SITE-SITEVPN業(yè)務(wù)伙伴ExtranetVPN到業(yè)務(wù)伙伴的WAN擴(kuò)展新應(yīng)用新的業(yè)務(wù)模型遠(yuǎn)程辦公室IntranetVPN低的成本,通道連接,豐富的VPN服務(wù)新應(yīng)用,省錢(qián)家庭辦公移動(dòng)用戶(hù)POPPOP遠(yuǎn)程訪問(wèn)VPN安全,可擴(kuò)展,加密的通道省錢(qián),簡(jiǎn)單VPN路由器ISRVPN路由器ISRVPN軟件VPN軟件思科ASA5500作為EASY-VPNSERVERSITE-SITEVPNEASYVPNEASYVPNAAA認(rèn)證服務(wù)器ACSGRE---VPDNSto
3、rageIPCLANProcessorMemoryI/OI/OI/OStorageIPCLANI/OSubsystemProcessorMemoryFCoE數(shù)據(jù)中心網(wǎng)絡(luò)融合:IP,SAN,HPCUnifiedFabricUnifiedFabricandI/O存儲(chǔ)網(wǎng)絡(luò)管理網(wǎng)絡(luò)后臺(tái)網(wǎng)絡(luò)前端網(wǎng)絡(luò)網(wǎng)絡(luò)備份Agenda鏈路的虛擬化設(shè)備的虛擬化服務(wù)的虛擬化全面的虛擬化總結(jié)VLAN---TRUNKVLANTagaddedbyincomingportVLANTagstrippedbyforwardingport802.1QVLANidentifier路徑隔離:routerv
4、rf(VirtualRouting/Forwarding)設(shè)備虛擬化ControlPlaneVirtualizationDataPlaneVirtualizationManagementVirtualization數(shù)據(jù)路徑虛擬化Single-hopMulti-hop802.1qDLCIVPI/VCIPW,VFITags/circuitsTags/circuitsvlanvlanBranchBlueVRFGreenVRFRedVRFBranchBlueVRFGreenVRFRedVRFBranchBlueVRFGreenVRFRedVRFBranchBlueV
5、RFGreenVRFRedVRFNetworkVirtualization-ExtensionServersMainframeWANWhichVirtualizationTechnologyForExtending:L2?L3?CampusandDataCenterVirtualSANs(VSANs)-將lan的概念移植到存儲(chǔ)EliminatescostsassociatedwithseparatephysicalfabricsthroughconsolidationAllowspartitioningofindividualswitchesand/orfa
6、bricsOverlayisolatedvirtualfabricsonsamephysicalinfrastructureVSANscontainzonesandseparatefabricservicesAvailabilityFaultisolation—isolatevirtualfabricsfromfabric-widefaults/reconfigurationsScalabilityReplicatedfabricservicesperVSANSecurityCompletehardwareisolationbetweenvirtualSAN
7、Department/Customer‘A’SharedStorageDepartment/Customer‘B’VSAN-EnabledFabricMgmtVSANMDS9222iInter-VSANRouting(IVR)SharingResourcesAcrossVSANsAllowssharingofcentralizedresourcessuchastapeanddisksacrossVSANs—withoutmergingseparatefabricsProvideshighfabricresiliencyandVSAN-basedma
8、nageabilityDistributed,sca