NI-Systems-201310-Case

©NetInsight2012NetInsight产品及案例介绍NISystems何晔175+60+50+CustomersCountriesPartnersNetInsightinbrief•Deliverstheworld’smostefficientandscalabletransportsolutionformediaservices•175customerreferencesinover60countries•150employeeswithrepresentationinSweden,Europe,USA,Singapore,China,UAE•50businesspartnersworldwide•Innovativetechnologywith29patents•Foundedin1997andlisted1999(NASDAQOMX,Stockholm)StrongpresenceinAPACregionCCTVGlobalcontributionnetworkCETVMultiservicestudio-to-studiolinkforeducationHunanMobileTVDTMBdistributionnetworkSZMGDTMBandCMMBdistributionnetworkHainanBroadcastingTVTVdistributionnetworkoverMWlinksZhejiangRadio&TVGroupTVdistributionnetworkoverMWlinksCQBSTVdistributionnetworkoverMWlinksExistingcustomersChinaCCNNationwidecontributionnetworkABRSSatelliteuplinksTVtowertoearthstationsShenzhenTVContributionlinksforoccasionaluseTianjinCableNetworkCATVcontributionandprimarydistrib.CITVCInternationallinkHeilongjiangTVStudiotoEarthStationuplinkShanghaiECO(ChinaTelecom)EarthStationlinksHubeiBroadcastingGroupNewsContributionNetworkBeijingGuohaiIntercitystudiolinkBeijingTelecomLinktoShanghaiTelecomHunanBroadcastingSystemEarthstationlinksAnhuiTVStudiolinksYunnanTVNewBuildingstudiolinksTransportinthecontentvaluechainNetInsightCombinestheBestofTwoWorlds•NetInsightcombinesuniquebenefitsfrombothcircuitswitchedandpacketbasedtechnologiestodeliver:•100%QoSatfullnetworkutilization•Lowandconstantdelay•Highchannelgranularity•Dynamicchannelroutingwithautomaticnetworkrestoration•Reliablechannelseparation•Dynamicbandwidthoptions•Channelprioritization•Verylowoverhead•Anyserviceoveranynetwork•NetInsightcreatesareliableandhomogenoustransportoverlay,independentofunderlyingtopologyandnetworktechnology©NetInsight2013PacketSwitchedCircuitSwitchedNetworkTechnologiesSonet/SDHIP/EthernetATMDTMCombiningthebestoftwoworldsAnyServiceoverAnyNetworkinAnyCombinationIP/EthernetWDMPDHFiberSDH/SONETDTM(n*512kbps)StandardInterfacesStandardInterfaces100%QoSIP/EthernetVoice/AudioE1/AES/EBUVideo3G/HD/SD/ASIBesteffortIP/EthernetMinimumDelayVeryLowJitterVeryLowWandern*512kbpsdedicatedpercustomerManyuserssharingn*512kbps100%QoS©NetInsight2012NimbraMSRAnyServiceoverAnyNetworkNetInsightPresentationNetInsightPresentationMSR独特的优势©NetInsight2012DTMvs.Packetbasedtechnologies©NetInsight2011Example:4servicesDTMtimeFrametimeIP/EthernetDTM-DynamicsynchronousTransferMode:•BasedonTDM(TimeDivisionMultiplexing)•Channelssetupendtoendbeforetransmission•Eachservicehasitsreservedtimeslot(s)intheDTMframeLowjitter,Lowandconstantdelay,Zeropacketloss•TransmissionofIP/Ethernetpacketsdependsonqueuinginbuffersandpriorities-Highjitter,Highandvariabledelay,PacketlossNetInsightPresentationQoSRegionalBureausLosslessRoutingResync&reshapeLinkbyLinkFECMSRMainStudioRouterNetInsightPresentationResynchronizationreducesjitterQoSenhancedlinksConstrainsontotaljitterthatcanbehandled(~5ms).Easierperhopthantryingtorecoverend-to-end.NetInsightPresentationAL-FECvsPERLINKFECQoSenhancedlinksNetInsightPresentationDataroutersinamediaservicenetworkSevereQoSlimitations,notrafficshapinginsidethenetworksimpliesQoSissues.OutgoingburstinessputsconstraintsonIPnetworkNetInsightPresentationTrafficshapinginMSRnodesQoSenhancedlinksReducesQoSconstrainsonunderlyingIPinfrastructuresthroughNetInsightPresentationMSR动态路由功能•自动路由，快速重建服务•重新建立服务的时间根据网络拓扑情况和复杂度决定，重建时间在100ms至2s•可以设定优先路由•可以设定优先路由的列表或者是自动路由NetworkNetInsightPresentationMSR：1+1Protection•双通道工作，通过不同的路由实现1+1保护•支持ASI,3G/HD/SD-SDI,AES,SDH,PDHandJPEG2000Services•主备通道切换时间50ms，一般小于20ms•业务的倒换在接入板卡上实现，主备业务同时工作，并消耗背板的交换能力•业务倒换时，出口端Nimbra设备的是不需要做任何动作的NetworkNetInsightPresentationMSR：Hitless1+1Protection•基于包的业务•EthernetandASI,JPEG2000•对数据包进行计数•数据包长度必须确定•最大延时可以根据包的长度设定•无状态的保护机制，削弱了主备的概念•完全的无损切换，信号的频率，相位，包的顺序都与源保持一致Network1234561256123456125612345123456Buffer1Buffer2Egress12345NetInsightPresentationMSR：HeadEndProtection•NimbraVision的功能，基于网络的保护机制•一旦节点，板卡，信号，或站点发射故障，NimbraVision将激活处于待命状态的连接路由•备份路由被配置好，但是为了节约带宽，所以没有处于工作状态•接收端是否为主备配置，是可以选择的•可以人工操作切换，也可以自动切换©NetInsight2011NetworkNetInsightPresentationServicepre-emptionPriorityreroutingatnetworkfailure©NetInsight2011•Pre-emption可以设置业务的优先级，在当前网络传输线路中断时，保证重要业务优先走新的路由•Pre-empted非重要业务可以自动关闭或者压缩带宽•当网络恢复后，自动恢复到全业务工作的状态HD-SDIEthernet1Ethernet2SD-SDIASIEthernet3PathBFullOperationASIEthernet3SD-SDIHD-SDIPathBReducedOperationPathAAvailablecapacity当主链路A故障，NimbraVision通知链路自动跳转时，链路B上的以太网3业务的带宽被压缩，保证优先级更高的SDI业务传输。Network与传统SDH/PDH网络比较•ASI以透明方式传输，信道利用率高，开销少•ASI信号在STM-1通道传递的有效数据速率比较•DTM(Nimbra):140.8Mbps•ATM:133Mbps•SDH:131Mbps•最小划分带宽为512kbps，带宽利用率更高•SDHADMs最小分配的业务通道为2Mbps•相比IPoverSDH的应用，例如IP微波及电信类的IP/MPLS设备来说，无法直接传输SDI、ASI、AES/EBU等广电业务，如果采用适配器或编码器的话，延时也会增大。0255075100125150NetInsightSTM-1MbpsOtherservicesASI#6ASI#5ASI#4ASI#3ASI#2ASI#1适用于带宽较窄的环境，例如微波站和地面电视项目.SDH/SONETDTM(Nimbra)NetInsight国内应用案例•MSRNimbra300，600系列•赛事信号回传：CCN亚运会，深圳大运会，上海世游赛会•异地演播室发布：CCTV全球记者站，深圳北京演播室，湖北新闻网•DTT：湖南移动电视，深圳移动电视•新大楼：CETV，云南电视台•CATV信号发布：CCN，天津有线•微波站：浙江，海南，重庆•专网用户：无线局，新华社•光端机产品：湖北电视台，湖南电视台，安徽广播电台，深圳电视台，山西电视台MSR应用案例：CCN亚运会IBC信号回传•CCN广州亚运会IBC至CCTV北京；•约3000km信号回传，通过NI