Cisco IT Case Study Cisco 7600 Series Routers思科这的案例的研究思科7600系列路由器.ppt

******@WorkCaseStudy:MigratingtheCiscoWANtotheCisco7600SeriesRouterCasestudytext(Public)Casestudytext(Internal)CiscoInformationTechnologyOctober6,2003OverviewChallenge—WANGrowthTrafficgrowth,newapplicationsdroveCisco®tohigherWANspeedsSolution—Cisco7600SeriesRouterforhigh-speedWANCisco7600SeriessupportsOC-12,STM-4,withgoodfeatures,performance,migrationpathResults—Cisco7600SeriesnowbackboneofglobalWAN10pairsofCisco7600SeriesroutersdeployedgloballyWANavailabilityatall-timehighin2003(%)NextSteps—Cisco7600SeriessupportsnewWANtechnologiesMPLSVPN,QoS,SSMsupportaddedeasilyChallenge—WANGrowthWANutilizationwasgrowingrapidlyAveragetotalutilizationacrossglobalWANlinksdoublingevery9monthsOC-3betweenSanJoseandRTPnearing50%utilizationin2002Newpeer-to-peerapplicationsbeingaddedIPtelephonyIPvideoE-working/collaborationtoolsCisco®7200and7500seriesroutersdon’thandleaboveOC-3,STM-1Solution—Cisco7600RouterforOC-12WANNewWANdesignrequiredOC-12connectivityUnderlyingLANplatformisCisco®Catalyst®6500SeriesswitchandrouterCisco7600SeriesRouterisbasedonCatalyst6500Seriestechnology,withsupportforhigherspeedsandhigherOC-xandSTM-xportconnectionsCisco7600Seriessupportedallrequiredinterfaces,withasmallfootprint,areliabletrackrecord,andagoodmigrationplanCiscoITselectedtheCisco7600SeriesRoutertosupportthebackboneofourglobalOC-12/STM-3/OC-3/STM-1WANfor2003CiscoWANHubSiteArchitectureCarrierOC-3orOC-1276067606CarrierOC-3orOC-12Cisco®OfficesDS-3OC-3OC-12T-72007200<1036403640s3640s7200s7200sServicesResults—Cisco7600SeriesIsBackboneofGlobalWANTenpairsofCisco®7600SeriesroutersnowinglobalWANbackbone:SevenpairsintheUnitedStatesThreepairsinEuropePerformanceandavailabilityhavebeenexcellentIn2002,%availabilityIn2003,%availabilityinsomequartersCisco7600SeriesinGlobalWANTokyoSydneyChicagoRTPLondonBrusselsAmsterdamSingaporeSanJoseLeasedLine(DS-3)ATMDS-3OC-3/STM-OC-12/STM-Cisco7600RouterCisco7200/7500DenverNYCDallasAtlantaKanataMPLSNextSteps—Cisco7600SeriesSupp