TD-SCDMA.com.cn
.com.cn 时间:2021-05-25 阅读:()
www.
zte.
com.
cnIPTN:IPBearerNetworkSolutionOrientedto2G/3GMobileBackhaulAsthecompetitionintheglobaltelecommarketbecomesincreasinglyfierce,the2Gand3Gbearerservicescoexist,thetrafficbandwidthincreasesconstantlyandtheinterfacestendtobeIP-based,thebearernetworksarerequiredtoprovidepowerfulmulti-servicebearercapability,statisticalmultiplexing,differentiatedQoS,carrier-classserviceguarantee,high-precisionclocksynchronization,andexcellentnetworkextensibility.
Multi-servicebearerThe3GBTStendstoprovideFEinterfaces,andthe2GBTStendstobeIP-based.
ThisrequiresthebearernetworktobearEthernet,TDMandATMservicesinaunifiedmanner.
StatisticalmultiplexinganddifferentiatedQoSGenerally,thebandwidthofa2GBTSis1to2*E1,whichprimarilycarriestraditionalvoicetraffic.
Attheearlystageof3G,thebandwidthofa3GBTSisabout10to20Mbps.
WhenHSxPAservicesaredeployedonalargescale,thebandwidthofthe3GBTSwillincreaseto40-50Mbps.
TheIPservicesincludingreal-timeandnon-real-timeservicesareinalargeproportion,andtheirQoSrequirementsvarysignificantly.
ThisrequiresthebearernetworktoprovideefficientstatisticmultiplexinganddifferentiatedQoSwhileofferinglargerbearercapacity.
Carrier-classOAM&PNomatterwhattechnologyisusedtoconstruct2G/3Gmobilebackhaulnetworks,itisnecessarytosatisfythecarrier-classbearerrequirementsincludingcarrier-classprotectionswitchinginlessthan50ms,end-to-endserviceprovisioning,andcarrier-classOAMcapability.
WhentheoperatorshavingconventionalMSTP-basedbearernetworksadoptthepackettechnologytoconstructtheir2G/3Gbearernetworks,theyneedtoleveragetheirmatureexperienceinMSTPnetworksintermsofnetworking,managementandfaultdiagnosis,soastoreducetheimpactonnetworkoperationandmaintenance.
High-precisionclocksynchronizationTheTDD-based3Gmobilesystems(suchasCDMA2000,TD-SCDMAandWiMAX)requireclocksynchronization.
TheBTSclocksynchronizationcanbeimplementedthroughtheGPStechnique,butitisdifficulttoinstallantennasandfeedersanditisnecessarytobackupthegroundclocksynchronization.
Therefore,mostoperatorsrequirethe3GbearernetworktoprovideexcellentclocksynchronizationthatcanenhancereliabilityoftheGPSclocksynchronization.
ExcellentnetworkextensibilityThefast,wideanddeepcoverageof3Gnetworkscangreatlyenhancetheoperators'competitiveedge,sotheirbearernetworksshouldbehighlyextensibletosupportfastnetworkdeploymentandsmoothevolutionfrom2G/3GtoLTE.
LowTCOOperatorsalwaysexpectalowTCOfortheirnetworkconstruction.
TheIPbearernetworksolutionorientedto2G/3GmobilebackhaulshouldreduceboththeCAPEXandOPEX.
MarketDemandAnalysiswww.
zte.
com.
cnwww.
zte.
com.
cnFigure1NetworkingofIPTNsolutionZTEhasalwaysbeencommittedtotheR&DofadvancedbearertechnologiesandIP-basedmobilebackhaulapplications.
Basedontheconceptsofgloballeadingoperatorsonradiobearernetworkconstruction,ZTEhaslauncheditsIPTN,theIPbearersolutionorientedto2G/3Gmobilebackhaul.
ZTE'sIPTNsolutionadoptingtheopenandunifiedpacketswitchingplatformprovidesefficientbearerfordeliveryof2G/3Gpacketservices,TDM/ATMservicesaswellasIP-basednewservicesinthefuture.
TheTDME1,IMAE1andFEservicessentfromtheBTScanbeconnecteddirectlyorthroughmicrowaveandPONequipmenttoIPTN(seeFigure1).
ZTE'sIPTNsolutionhasthefollowingfeatures:OpenserviceplatformItadoptsthePseudoWireEmulationEdge-to-Edge(PWE3)technologytotransportvarioustrafficoverTDM,ATM,EthernetandIPnetworksandsupportmultipleserviceinterfacessuchasFE,GE,10GE,STM-N(CH,POS,ATM),TDME1andIMAE1,fullymeetingthebearerrequirementsof2G/3Gmobilebackhaulservices.
FortheTDME1andATMIMAE1servicessentfromtheBTS,theIPTNcoreconvergenceequipmentconnectswiththeRNC/BSCviaE1orch.
STM;fortheFEservicessentfromtheBTS,theIPTNcoreconvergenceequipmentconnectswiththeRNC/BSCviaGE,FEor10GE.
EfficientstatisticalmultiplexingandDiff-ServbasedQoSByusingtheunifiedpacketcoreandintegratingtheprotectionandOAMfeaturesoftraditionalTDMtransportequipment,itprovidesefficientbearercapability,includingstatisticalmultiplexing,structuredTDMtimeslotcompression,andidleATMcelldrop.
ItsupportsDiff-ServQoSmodelandprovidesdifferentiatedservicethatmeetstheServiceLevelAgreement(SLA)requirementsthroughserviceclassification,trafficconditioning,trafficpolicing,queuescheduling,andtrafficshaping.
Carrier-classserviceguaranteeItprovidescarrier-classprotectionmechanisms.
Attheequipmentlevel,itprovides1+1hotbackupforkeyboardssuchascross-connectionboard,clockboard,maincontrolboardandpowerboard,withacarrier-classreliabilityof99.
999%;atthenetworklevel,itprovidesend-to-endprotectionmechanism:LinkAggregationGroup(LAG)protectionandInverseMultiplexingforATM(IMA)protectionattheUser-NetworkInterface(UNI)sideand1+1/1:1protection,SNC1+1/1:1protectionandMPLS-TPringnetworkprotectionattheNetwork-to-NetworkInterface(NNI)side,thusensuringacarrier-classprotectionswitchinginlessthan50ms.
ZTE'sIPTNSolutionZTEPlaza,KejiRoadSouth,Hi-techIndustrialPark,NanshanDistrict,Shenzhen,P.
R.
ChinaPostcode:518057Website:www.
zte.
com.
cnTel:86-755-26770000Fax:86-755-26771999S.
N.
:xczl200SDH-likeOAMItprovidesSDH-likeOAMfeatures.
Withthehardware-basedOAMsupport,itimplementscarrier-classfunctionssuchasautodiagnosisofnetworkfaults,protectionswitching,performancemonitoring,faultlocating,etc.
ItcomplieswiththeITU-TG.
8114,Y.
1731andIEEE802.
3ahstandardsandprovidesend-to-endOAMondemandandmanagement,therebyenhancingthecarrier-classfeaturesofthepacketnetwork.
Moreover,itusesZTE'sunifiedNetNumenplatformtoimplementcentralizedmanagementofallIPTNdevicesandconventionaltransportdevices.
High-precisionclocksynchronizationZTEisthefirstintheindustrytoadopttheIEEE1588PrecisionTimeProtocol(PTP)foritsclocksynchronizationsolutionbasedontheG.
8261standardforsynchronousEthernet.
Thesolutiongreatlyimprovestheprecisionofclocksynchronization,andeffectivelyreducesthepacketsendingfrequencyandtheconvergenceduration,therebymeetingthefrequencyandclocksynchronizationrequirementsofBTSsindifferentmodes.
GoodnetworkextensibilityItprovidesgoodnetworkextensibility.
Attheearlystageof3G,theIPTNsolutionadoptsthehierarchicalnetworkingthatconsistsoftheaccesslayerandtheconvergencelayer.
ThenetworkingbandwidthoftheaccesslayerisGEandthatoftheconvergencelayeris10GE.
Whenthe3GbecomesmatureorevolvestoLTE,theIPTNsolutionwillevolvetotheMesh-basednetworking.
Duringtheevolution,theIPTNhasgoodadaptabilitytotheadditionofnetworkdevicesandupgradeoflinkandequipmentcapacity.
ConclusionTocatertotheoperator'srequirementsonservices,investmentprotection,networkevolution,networkreliability,andenvironmentalprotection,ZTE'sIPTNsolutionisdesignedtosupporttheconstantbandwidthgrowthofmobileBTSswhilereducingCAPEXandOPEX.
ItcanbearIPservicesofmobileBTSsaswellasthetraditionalservicesinanefficient,flexibleandreliablemanner,supportingsmoothevolutiontoreducetheoperator'sriskoftechnologyselection.
TheIPTNsolutionhasbeenhighlyrecognizedbyoperatorsandhasbeencommerciallydeployedinsomeareas.
Asmoreandmore3Gnetworksaredeployedandthe2G/3GBTSsareIP-based,theIPTNsolutionwillbewidelyusedintheIPbearernetworksfor2G/3Gmobilebackhaul.
zte.
com.
cnIPTN:IPBearerNetworkSolutionOrientedto2G/3GMobileBackhaulAsthecompetitionintheglobaltelecommarketbecomesincreasinglyfierce,the2Gand3Gbearerservicescoexist,thetrafficbandwidthincreasesconstantlyandtheinterfacestendtobeIP-based,thebearernetworksarerequiredtoprovidepowerfulmulti-servicebearercapability,statisticalmultiplexing,differentiatedQoS,carrier-classserviceguarantee,high-precisionclocksynchronization,andexcellentnetworkextensibility.
Multi-servicebearerThe3GBTStendstoprovideFEinterfaces,andthe2GBTStendstobeIP-based.
ThisrequiresthebearernetworktobearEthernet,TDMandATMservicesinaunifiedmanner.
StatisticalmultiplexinganddifferentiatedQoSGenerally,thebandwidthofa2GBTSis1to2*E1,whichprimarilycarriestraditionalvoicetraffic.
Attheearlystageof3G,thebandwidthofa3GBTSisabout10to20Mbps.
WhenHSxPAservicesaredeployedonalargescale,thebandwidthofthe3GBTSwillincreaseto40-50Mbps.
TheIPservicesincludingreal-timeandnon-real-timeservicesareinalargeproportion,andtheirQoSrequirementsvarysignificantly.
ThisrequiresthebearernetworktoprovideefficientstatisticmultiplexinganddifferentiatedQoSwhileofferinglargerbearercapacity.
Carrier-classOAM&PNomatterwhattechnologyisusedtoconstruct2G/3Gmobilebackhaulnetworks,itisnecessarytosatisfythecarrier-classbearerrequirementsincludingcarrier-classprotectionswitchinginlessthan50ms,end-to-endserviceprovisioning,andcarrier-classOAMcapability.
WhentheoperatorshavingconventionalMSTP-basedbearernetworksadoptthepackettechnologytoconstructtheir2G/3Gbearernetworks,theyneedtoleveragetheirmatureexperienceinMSTPnetworksintermsofnetworking,managementandfaultdiagnosis,soastoreducetheimpactonnetworkoperationandmaintenance.
High-precisionclocksynchronizationTheTDD-based3Gmobilesystems(suchasCDMA2000,TD-SCDMAandWiMAX)requireclocksynchronization.
TheBTSclocksynchronizationcanbeimplementedthroughtheGPStechnique,butitisdifficulttoinstallantennasandfeedersanditisnecessarytobackupthegroundclocksynchronization.
Therefore,mostoperatorsrequirethe3GbearernetworktoprovideexcellentclocksynchronizationthatcanenhancereliabilityoftheGPSclocksynchronization.
ExcellentnetworkextensibilityThefast,wideanddeepcoverageof3Gnetworkscangreatlyenhancetheoperators'competitiveedge,sotheirbearernetworksshouldbehighlyextensibletosupportfastnetworkdeploymentandsmoothevolutionfrom2G/3GtoLTE.
LowTCOOperatorsalwaysexpectalowTCOfortheirnetworkconstruction.
TheIPbearernetworksolutionorientedto2G/3GmobilebackhaulshouldreduceboththeCAPEXandOPEX.
MarketDemandAnalysiswww.
zte.
com.
cnwww.
zte.
com.
cnFigure1NetworkingofIPTNsolutionZTEhasalwaysbeencommittedtotheR&DofadvancedbearertechnologiesandIP-basedmobilebackhaulapplications.
Basedontheconceptsofgloballeadingoperatorsonradiobearernetworkconstruction,ZTEhaslauncheditsIPTN,theIPbearersolutionorientedto2G/3Gmobilebackhaul.
ZTE'sIPTNsolutionadoptingtheopenandunifiedpacketswitchingplatformprovidesefficientbearerfordeliveryof2G/3Gpacketservices,TDM/ATMservicesaswellasIP-basednewservicesinthefuture.
TheTDME1,IMAE1andFEservicessentfromtheBTScanbeconnecteddirectlyorthroughmicrowaveandPONequipmenttoIPTN(seeFigure1).
ZTE'sIPTNsolutionhasthefollowingfeatures:OpenserviceplatformItadoptsthePseudoWireEmulationEdge-to-Edge(PWE3)technologytotransportvarioustrafficoverTDM,ATM,EthernetandIPnetworksandsupportmultipleserviceinterfacessuchasFE,GE,10GE,STM-N(CH,POS,ATM),TDME1andIMAE1,fullymeetingthebearerrequirementsof2G/3Gmobilebackhaulservices.
FortheTDME1andATMIMAE1servicessentfromtheBTS,theIPTNcoreconvergenceequipmentconnectswiththeRNC/BSCviaE1orch.
STM;fortheFEservicessentfromtheBTS,theIPTNcoreconvergenceequipmentconnectswiththeRNC/BSCviaGE,FEor10GE.
EfficientstatisticalmultiplexingandDiff-ServbasedQoSByusingtheunifiedpacketcoreandintegratingtheprotectionandOAMfeaturesoftraditionalTDMtransportequipment,itprovidesefficientbearercapability,includingstatisticalmultiplexing,structuredTDMtimeslotcompression,andidleATMcelldrop.
ItsupportsDiff-ServQoSmodelandprovidesdifferentiatedservicethatmeetstheServiceLevelAgreement(SLA)requirementsthroughserviceclassification,trafficconditioning,trafficpolicing,queuescheduling,andtrafficshaping.
Carrier-classserviceguaranteeItprovidescarrier-classprotectionmechanisms.
Attheequipmentlevel,itprovides1+1hotbackupforkeyboardssuchascross-connectionboard,clockboard,maincontrolboardandpowerboard,withacarrier-classreliabilityof99.
999%;atthenetworklevel,itprovidesend-to-endprotectionmechanism:LinkAggregationGroup(LAG)protectionandInverseMultiplexingforATM(IMA)protectionattheUser-NetworkInterface(UNI)sideand1+1/1:1protection,SNC1+1/1:1protectionandMPLS-TPringnetworkprotectionattheNetwork-to-NetworkInterface(NNI)side,thusensuringacarrier-classprotectionswitchinginlessthan50ms.
ZTE'sIPTNSolutionZTEPlaza,KejiRoadSouth,Hi-techIndustrialPark,NanshanDistrict,Shenzhen,P.
R.
ChinaPostcode:518057Website:www.
zte.
com.
cnTel:86-755-26770000Fax:86-755-26771999S.
N.
:xczl200SDH-likeOAMItprovidesSDH-likeOAMfeatures.
Withthehardware-basedOAMsupport,itimplementscarrier-classfunctionssuchasautodiagnosisofnetworkfaults,protectionswitching,performancemonitoring,faultlocating,etc.
ItcomplieswiththeITU-TG.
8114,Y.
1731andIEEE802.
3ahstandardsandprovidesend-to-endOAMondemandandmanagement,therebyenhancingthecarrier-classfeaturesofthepacketnetwork.
Moreover,itusesZTE'sunifiedNetNumenplatformtoimplementcentralizedmanagementofallIPTNdevicesandconventionaltransportdevices.
High-precisionclocksynchronizationZTEisthefirstintheindustrytoadopttheIEEE1588PrecisionTimeProtocol(PTP)foritsclocksynchronizationsolutionbasedontheG.
8261standardforsynchronousEthernet.
Thesolutiongreatlyimprovestheprecisionofclocksynchronization,andeffectivelyreducesthepacketsendingfrequencyandtheconvergenceduration,therebymeetingthefrequencyandclocksynchronizationrequirementsofBTSsindifferentmodes.
GoodnetworkextensibilityItprovidesgoodnetworkextensibility.
Attheearlystageof3G,theIPTNsolutionadoptsthehierarchicalnetworkingthatconsistsoftheaccesslayerandtheconvergencelayer.
ThenetworkingbandwidthoftheaccesslayerisGEandthatoftheconvergencelayeris10GE.
Whenthe3GbecomesmatureorevolvestoLTE,theIPTNsolutionwillevolvetotheMesh-basednetworking.
Duringtheevolution,theIPTNhasgoodadaptabilitytotheadditionofnetworkdevicesandupgradeoflinkandequipmentcapacity.
ConclusionTocatertotheoperator'srequirementsonservices,investmentprotection,networkevolution,networkreliability,andenvironmentalprotection,ZTE'sIPTNsolutionisdesignedtosupporttheconstantbandwidthgrowthofmobileBTSswhilereducingCAPEXandOPEX.
ItcanbearIPservicesofmobileBTSsaswellasthetraditionalservicesinanefficient,flexibleandreliablemanner,supportingsmoothevolutiontoreducetheoperator'sriskoftechnologyselection.
TheIPTNsolutionhasbeenhighlyrecognizedbyoperatorsandhasbeencommerciallydeployedinsomeareas.
Asmoreandmore3Gnetworksaredeployedandthe2G/3GBTSsareIP-based,theIPTNsolutionwillbewidelyusedintheIPbearernetworksfor2G/3Gmobilebackhaul.
盘点AoYoZhuJi傲游主机商8个数据中心常见方案及八折优惠
傲游主机商我们可能很多人并不陌生，实际上这个商家早年也就是个人主机商，传说是有几个个人投资创办的，不过能坚持到现在也算不错，毕竟有早年的用户积累正常情况上还是能延续的。如果是新服务商这几年确实不是特别容易，问到几个老牌的个人服务商很多都是早年的用户积累客户群。傲游主机目前有提供XEN和KVM架构的云服务器，不少还是亚洲CN2优化节点，目前数据中心包括中国香港、韩国、德国、荷兰和美国等多个地区的CN...
月费$389，RackNerd美国大硬盘独立服务器
这次RackNerd商家提供的美国大硬盘独立服务器，数据中心位于洛杉矶multacom，可选Windows、Linux镜像系统，默认内存是64GB，也可升级至128GB内存，而且硬盘采用的是256G SSD系统盘+10个16TSAS数据盘，端口提供的是1Gbps带宽，每月提供200TB，且包含5个IPv4，如果有需要更多IP，也可以升级增加。CPU核心内存硬盘流量带宽价格选择2XE5-2640V2...
1C2G5M轻量服务器48元/年,2C4G8M三年仅198元,COM域名首年1元起
腾讯云双十一活动已于今天正式开启了，多重优惠享不停，首购服务器低至0.4折，比如1C2G5M轻量应用服务器仅48元/年起，2C4G8M也仅70元/年起；个人及企业用户还可以一键领取3500-7000元满减券，用于支付新购、续费、升级等各项账单；企业用户还可以以首年1年的价格注册.COM域名。活动页面：https://cloud.tencent.com/act/double11我们分享的信息仍然以秒...
.com.cn为你推荐
-
neasesetexcursionsios5模块ios8支持ipad支持ipadphotoshop技术ps几大关键技术？iphone连不上wifi苹果手机为什么突然连不上家里的wifi？google中国地图谷歌中国地图用的是什么投影,什么坐标系谷歌sb在谷歌里搜SB为什么结果中第一个是百度csshack怎样找css hack 的最新使用方法