《通信专业实务-传输与接入（有线）》缩略语表

缩写,英文全称,中文全称

ABR,AreaBorderRouter,区域边界路由器

AC,AttachmentCircuit,接入链路

ADC,AnalogDigitalConverter,模拟数字转换器

ADM,AddandDropMultiplexer,分插复用器

ADSL,AsymmetricDigitalSubscriberLine,不对称数字用户线

AES,AdvancedEncryptionStandard,高级加密标准

AF,AssuredForwarding,确保转发

AF,AdaptationFunction,适配功能

AFI,AuthorityandFormatIdentifier,权限和格式标识符

AIS,AlarmIndicationSignal,告警指示信号

AMI,AlternativeMarkInversion,信号交替反转码

AN,AccessNetwork,接入网

AON,ActiveOpticalNetwork,有源光网络

APS,AutomaticProtectionSwitched,自动保护倒换

AS,AutonomousSystem,自治系统

ASBR,AutonomousSystemBoundaryRouter,自治系统边界路由器

ASG,AggregationSiteGateway,汇聚侧网关

ASON,AutomaticSwitchedOpticalNetwork,自动交换光网络

ATM,AsynchronousTransferMode,异步转移模式

AU,AdministrationUnit,管理单元

AUPTR,AdministrationUnitPoinTeR,管理单元指针

AUG,ManagementUnitGroup,管理单元组

BAS,BroadbandAccessServer,宽带接入服务器

BBE,BackgroundBlockError,背景误块

BC,BoundaryClock,边界时钟

BE,BestEffortForwarding,尽力转发

BER,BitErrorRate,（二进制）误码率

BFD,BidirectionalForwardingDetection,双向转发检测

BGP,BorderGatewayProtocol,边界网关协议

BIP,BitInterspersedParitycheck,比特间插奇偶检验

BITS,BuildingIntegratedTimingSupply,大楼楼综合定时供给系统

BML,BusinessManagementLayer,商务管理层

BOD,BandwidthOnDemand,按需提供带宽

BRI,BasicRateInterface,ISDN基本速率接口

BSC,BaseStationController,基站控制器

BSCCE,BSCConvergingEquipment,BSC汇聚设备

BTS,BaseTransceiverStation,基站收发信机

C,Container,容器

CAC,CallAdmissionControl,呼叫接纳控制

CallC,CallController,呼叫控制器(CallC)

CC,ConnectionController,连接控制器

CC,ContinuityCheck,连续性检测

CCI,ConnectionControlInterface,连接控制接口

CD,CollisionDetecsion,冲突检测

CD,ChromaticDispersion,色度色散

CE,ConvergingEquipment,汇聚设备

CERouter,CustomEdgeRouter,用户边缘路由器

CF,CoreFunction,核心功能

CFI,CanonicalFormatIndicator,标准格式指示

CIR,CommittedInformationRate,承诺信息速率

CLNP,ConnectionLessNetworkProtocol,无连接的网络协议

CM,CableModem,电缆调解调器

CN2,ChinatelecomNextCarrierNetwork,中国电信下一代承载网

CP,ControlPlane,控制平面

CPSE,ChannelPathSwitchingEquipment,信道通路交换设备

CR,CoreRouters,核心路由器

CRC,CyclicRedundancyCheck,循环冗余校验

CRM,ConservativeRetentionMode,保守标签保留方式

CS,CircuitSwitching,电路交换

CSE,ChannelSwitchingEquipment,信道交换设备

CSG,CellSiteGateway,基站侧网关

CSMA,CarrierSenseMultipleAccess,载波监听多路访问

CWDM,CoarseWavelengthDivisionMultiplexer,稀疏（粗）波分复用

DBA,DynamicallyBandwidthAssignment,动态带宽分配

DCC,DataCommunicationChannel,数据通信通路

DCF,DispersionCompensatingFiber,色散补偿光纤

DCN,DataCommunicationNetwork,数据通信网

DDF,DigitalDistributionFrame,数字配线架

DDN,DigitalDataNetwork,数字数据网

DFF,DispersionFlattenedFiber,色散平坦光纤

DHCP,DynamicHostConfigurationProtocol,动态主机配置协议

DiffServ,DifferentiatedServices,区分服务

DoD,DownstreamonDemand,下游按需标签分发方式

DS,DifferentiatedServices,区分服务

DSCP,DifferentiatedServicesCodePoint,区分服务代码点

DSF,Dispersion-ShiftedFiber,色散位移光纤

DSP,DigitalSignalProcessor,数字信号处理器

DSP,DomainSpecificPart,专用域部分

DS-TE,MPLSDiffServ-AwareTrafficEngineering,感知区分服务的MPLS流量工程

DU,DownstreamUnsolicited,下游自主标签分发方式

DWDM,DenseWavelengthDivisionMultiplexing,密集波分复用

DXC,DigitalCrossConnect,数字交叉连接

E-APS,Enhanced-AutomaticProtectionSwitching,加强型自动保护倒换

EBGP,ExternalBGP,外部BGP

ECC,EmbeddedControlChannel,嵌入控制通路

EDF,ErbiumDopedFiber,掺铒光纤

EDFA,ErbiumDopedFiberAmplifier,掺铒光纤放大器

EF,ExpeditedForwarding,加速转发

EFMA,EthernetintheFirstMileAlliance,第一英里以太网联盟

EGP,ExternalGatewayProtocol,外部网关协议

EIR,ExcessInformationRate

,超出信息速率

EML,ElementManagementLayer,网元管理层

EMS,EquipmentManagementSystem,设备管理系统

E-NNI,External-NetworkNodeInterface,外部网络节点接口

eNodeB,EvolvedNodeB,演进型节点B

EPC,EvolvedPacketCore,演进分组核心网

EPCCE,EPCConvergingEquipment,EPC汇聚设备

EPL,EthernetPrivateLine,以太网专线

EPLAN,EthernetPrivateLAN,以太网专用局域网

EPON,EthernetPassiveOpticalNetwork,以太网无源光网络

ER,EdgeRouter,边界路由器

ES,ErrorSecond,误码秒（误块）

ESMC,EthernetSynchronizationMessagingChannel,以太网同步消息通道

EVC,EthernetVirtualConnection,以太虚拟连接

EVPL,EthernetVirtualPrivateLine,以太网虚拟专线

EVPLAN,EthernetVirtuaIPrivateLAN,以太网虚拟专用局域网

EX,ExtinctionRatio,消光比

EXC,ExcessiveError,差错越限

EXI,EXtendedheaderIdentifier,扩展信头标识符

FCS,FrameCheckSequence,帧校验序列

FDD,FrequencyDivisionDuplex,频分双工

FEC,ForwardingEquivalenceClass,转发等价类

FEC,ForwardErrorCorrection,前向纠错

FR,FrameRelay,帧中继

FRR,FastReRoute,快速重路由

FSAN,Full-ServicesAccessNetwork,全业务接入网络组织

FSN,FullServiceNetwork,全业务网

FTTB,FiberToTheBuilding,光纤到大楼

FTTC,FiberToTheCurb,光纤到路边

FTTH,FiberToTheHome,光纤到家

FTTO,FiberToTheOffice,光纤到办公室

FWM,Four-WaveMixing,四波混频

GE,GigabitEthernet,吉比特以太网

GEM,GPONEncapsulationMethod,GPON封装方法

GFP,GenericFramingProcedure,通用成帧规程

GMPLS,GeneralMultiProtocolLabelSwitching,通用多协议标签交换

GPON,GigabitPassiveOpticalNetwork,吉比特无源光网络

GPS,GlobalPositioningSystem,全球定位系统

HD,HardDecision,硬判决

HDB3,HighDensityBipolarofOrder3,三阶高密度双极性码

HDSL,HighrateDigitalSubscriberLine,高速率数字用户线

HDT,HostDigitalTerminal,主数字终端

HEC,HeadErrorCheck,头部差错校验

HFC,HybridFiber/Coax,混合光纤/同轴电缆

HO-DSP,HighOrderPartofDSP,DSP高阶部分

HPOH,HigherorderPathOverHead,高阶通道开销

HSDPA,HighSpeedDownlinkPacketAccess,高速下行分组接入

HVPN（HoVPN）,HierarchyofVPN,分层VPN

IaDI,Intra-DomainInterface,域内接口

IBGP,InternalBGP,内部BGP

ID,IDentifier,标识符

IDI,InitialDomainIdentifier,初始域标识符

IDP,InitialDomainPart,初始域

IEEE,InstituteofElectricalandElectronicsEngineers,电气和电子工程师协会

IETF,InternetEngineeringTaskForce,国际互联网工程任务组

IGP,InternalGatewayProtocol,内部网关协议

IM/DD,IntensityModulation-DirectDetection,强度调制—直接检波

I-NNI,Internal-NetworkNodeInterface,内部网络节点接口

IntServ,IntegratedService,综合服务

IPRAN,IPRadioAccessNetwork,IP化的无线接入网

IR,InternalRouter,内部路由器

IrDI,Inter-DomainInterface,域间接口

IS-IS,IntermediateSystem-IntermediateSystem,中间系统-中间系统

ISU,IntegratedServiceUnit,综合业务单元

ITU,InternationalTelecommunication

Union,国际电信联盟

ITU-T,InternationalTelecommunicationUnion-TelecommunicationStandardizationSector,国际电信联盟电信标准分局

JWT,JointWorkingTeam,联合工作组

LAG,LinkAggregationGroup,链路聚合组

LAPS,LinkAccessProcedure-SDH,SDH上的链路接入规程

LB,LoopbackDetection,环回检测

LCAS,LinkCapacityAdjustmentScheme,链路容量调整方案

LD,LaserDiode,激光二极管

LDP,LabelDistributionProtocol,标签分发协议

LED,Light-EmittingDiode,发光二极管

LER,LabelEdgeRouter,标签边缘路由器

LLC,LogicalLinkControl,逻辑链路控制

LLID,LogicalLinkIDentification,逻辑链路标识

LMDS,LocalMultipointAllocationService,本地多点分配业务

LMSP,LinearMultiplexSectionProtection,线性复用段保护

LOF,LossofFrame,帧丢失

LOS,LossofSignal,信号丢失

LPR,LocalPrimaryReference,区域基准时钟

LRM,LinkResourceManager,链路资源管理器

LRM,LiberalRetentionMode,自由标签保留方式

LSA,LinkStateAdvertisement,链路状态通告

LSDB,LinkStateDataBase,链路状态数据库

LSP,LabelSwitchedPath,标签交换路径

LSP,LinkStatePDU,链路状态数据包

LSP,LabelSwitchingPath,标签交换路径

LSR,LabelSwitchingRouter,标签交换路由器

LTE,LongTermEvolution,长期演进

MAC,MediaAccessControl,介质访问控制

MBB,MobileBroadBand,移动带宽

MCE,MultipleConvergingEquipment,多功能汇聚设备

ME,MaintenanceEntity,维护实体

MED,Multi-ExitDiscriminators,多出口鉴别器

MEG,MEGroup,维护实体组

MEL,MEGLevel,维护实体组等级

MEP,MEGEndPoint,维护实体组端点

MFI,MultiMrameIndicator,复帧指示符

MIB,ManagementInformationBase,管理信息库

MIP,MEGIntermidiatePoint,维护实体组中间点

MME,MobilityManagementEntity,移动性管理实体

MP,ManagementPlane,管理平面

MP,MergePoint,尾节点

MP2MP,MultiplePointToMultiplePoint,多点对多点

MP-BGP,MultiProtocol-BGP,多协议BGP

MPCP,MultiPointControlProtocol,多点控制协议

MPI,MainPathinterface,主通道接口-

MPLS,MultiProtocolLabelSwitching,多协议标签交换

MPLS-TE,MultiProtocolLabelSwitching-TrafficEngineering,MPLS流量工程

MPLS-TP,MultiProtocolLabelSwitching-TransportProfile,多协议标签交换-传送框架

MS,MultiplexSection,复用段

MS-AIS,MultiplexSection-AlarmIndicationSignal,复用段告警指示信号

MSOH,MultiplexingSectionOverHead,复用段开销

MSPP,MultipleServiceProvidingPlatform,多业务提供平台

MS-RDI,MultiplexSection-RemoteDefectIndication,复用段远端缺陷（失效）指示

MS-REI,MultiplexSection-RemoteErrorIndication,复用段远端差错指示

MSTP,MultiServiceTransportPlatform,多业务传送平台

NAT,NetworkAddressTranslation,网络地址转换

NE,NetworkElement,网元

NEL,NetworkElementLayer,网元层

NIC,NetworkInterfaceCard,网络接口卡

NMI,NetworkManagementInterface,网络管理接口

NML,NetworkManagementLayer,网络管理层

NNI,NetworkNodeInterface,网络节点接口

NPE,NetworkProviderEdge,网络核心PE

NRZ,Non-ReturntoZero,不归零码

NSP,NetworkServiceProvider,网络业务提供商

NZDSF,Non-ZeroDispersionShiftedFiber,非零色散位移光纤

OA,OpticalAmplifier

,光放大器

OADM,OpticalAddDropMultiplexer,光分插复用器

OAM,OperationAdministrationMaintenance,运行管理维护

OAM&P,OperationsAdministrationMaintenanceandProvisioning,运行、管理、维护&供应保障

OAN,OpticalAccessNetwork,光纤接入网

OBA,OpticalBoosterAmplifier,光功率放大器（光后置放大器）

OBD,OpticalBranchingDevice,光分路器

OC,OrdinaryClock,普通时钟

OCC,OpticalChannelCarrier,光通道载波

OCDMA,OpticalCodeDivisionMultipleAccess,光码分多址

OCG,OpticalChannelCarrierGroup,光通道载体组

OCh,OpticalChannel,光通道

OCP,OpticalChannelProtection,光通道保护

ODF,OpticalDistributionFrame,光配线架

ODN,OpticalDistributingNetwork,光分配网络

ODT,OpticalDistributingTerminal,光配线终端

ODTUG,OpticalchannelDataTributaryUnitGroup,光通道数据支路单元组

ODU,OpticalchannelDdtaUnit,光信道数据单元

OLA,OpticalLineAmplifier,光线路放大器

OLC,OpticalsubscriberLoopCarriersystem,光用户环路载波系统

OLC,OpticalLineCard,光线路卡

OLP,OpticalLineProtection,光线路保护

OLT,OpticalLineTerminal,光线路终端

OMCI,ONTSystemManagementControlInterface,系统管理控制接口

OMS,OpticalMultiplexSection,光复用段

OMSP,OpticalMultiplexSectionProtection,光复用段保护

OMU,OpticalMultiplexUnit,光复用单元

ONT,OpticalNetworkTerminal,光网络终端

ONU,OpticalNetworkUnit,光网络单元

OOF,OutOfFrame,帧失步

OP,OpticalProtection,光保护

OPA,OpticalPreamplifierAmplifier,光前置放大器

OPS,OpticalPhysicalSection,光物理段

OPU,OpticalchannelPayloadUnit,光信道净荷单元

OS,OperatingSystem,操作系统

OSC,OpticalSupervisoryChannel,光监控信道

OSCM,OpticalSubCarrierMultiplexing,光副载波复用

OSCMA,OpticalSubCarrierMultipleAccess,光副载波多址

OSDM,OpticalSpaceDivisionMultiplexing,光空分复用

OSI,OpenSystemInterconnect,开放系统互连

OSNR,OpticalSignaltoNoiseRatio,光信噪比

OSPF,OpenShortestPathFirst,开放最短路径优先

OTDMA,OpticalTimeDivisionMultipleAccess,光时分多址

OTDR,OpticalTimeDomainReflectometer,光时域反射仪

OTM,OpticalTerminalMultiplexer,光终端复用器

OTM,OpticalTransmissionModule,光传送模块

OTN,OpticalTransportNetwork,光传送网

OTS,OpticalTransmissionSection,光传输段

OTU,OpticalTransponderUnit,光转发器（光波长转换器）

OTU,OpticalchannelTransmitUnit,光信道传送单元

OUI,OrganizationallyUniqueIdentifier,机构唯一标识符

OVPN,OpticalVirtualPrivateNetwork,光虚拟专用网

OWDM,OpticalWavelengthDivisionMultiplexing,光波分复用

OWDMA,OpticalWavelengthDivisionMultipleAccess,光波分多址

OXC,OpticalCrossConnection,光交叉连接

PRouter,ProviderRouter,运营商骨干网络核心路由器

P2MP,PointToMultiplePoint,点对多点

P2P,PointToPoint,点对点

PBB-TE,ProviderBackboneBridging-TrafficEngineering,运营商骨干桥接-流量工程

PBT,ProviderBackboneTransport,运营商骨干传输

PBX,PrivateBrancheXchange,用户小交换机

PC,PermanentConnection,永久连接

PC,ProtocolController,协议控制器

PCM,PulseCodeModulation,脉冲编码调制

PDH,PlesiochronousDigitalHierarchy,准同步数字体系

PDU,ProtocolDataUnit,协议数据单元

PDV,PacketDelayVariance,分组延时不确定性

PERouter,ProviderEdgeRouter,运营商网络边缘路由器

PFI,PayloadFCSIndicator,净荷FCS指示符

PHB,Per-hopBehavior,每一跳行为

PLC,PlanarLightwaveCircuit,平面波导电路

PLI,PDULengthIndicator,PDU长度指示符

PLI,PayloadLengthIndication,净荷长度指示

PLL,PhaseLockedLoop,时钟锁相模块

PLR,PointofLocalRepair,头节点

PM,PolarizationMultiplexing,偏振复用

PMD,PolarizationModeDispersion,偏振模色散

PMD,PhysicalMediumDependent,物理媒质相关

POH,PathOverHead,通道开销

PON,PassiveOpticalNetwork,无源光网络

Port-ID,Port-IDentity,端口标识

POS,PacketOverSONET/SDH,基于SONET/SDH的数据包

PPP,PointtoPointProtocol,点到点协议

PPPoE,PointtoPointProtocoloverEthernet,基于以太网的点对点协议

PRC,PrimaryReferenceClock,基准参考时钟

PRI,PRiorityIndication,优先级指示

PRI,"PrimaryRateInterface,",基群速率接口

PS,PacketSwitching,分组交换

PSE,PathSwitchingEquipment,通路交换设备

PSN,Packet-SwitchingNetwork,分组交换网络

PSTN,PublicSwitchedTelephoneNetwork,公共交换电话网

PTC,PackageTransportChannel,分组传送信道

PTI,PayloadTypeIdentifier,净荷类型标识符

PTI,PayloadTypeIndication,净荷类型指示

PTN,PacketTransportNetwork,分组传送网

PTP,PackageTransportPath,分组传送通路

PTP,PrecisionTimeProtocol,精确时间协议

PTS,PackageTransportSection,分组传送段

PW,PseudoWire,伪线

PWE3,PseudowireEmulationEdgetoEdge,端到端伪线仿真

P路由器,ProviderRouter,运营商网络核心路由器

QAM,QuadratureAmplitudeModulation,正交幅度调制

QoS,QualityofService,服务质量

QPSK,QuadraturePhaseShiftKeyin,正交相移键控

RAC,RegistrationAdministrationCommittee,注册管理委员会

RAN,RadioAccessNetwork,无线接入网络

RC,RoutingController,路由控制器

RD,RouteDistinguisher,路由标识符

RDI,RemoteDefectIndication,远端故障指示

REG,REGenerativerepeater,再生中继器

RIP,RoutingInformationProtocol,路由信息协议

RMP,RendezvousMultiplePoint,多点汇聚

RNC,RadioNetworkController,无线网络控制器

ROADM,ReconfigurableOpticalAdd/DropMultiplexer,可重构光分插复用器

RPR,ResilientPacketRing,弹性分组环

RS,RegeneratorSection,再生段

RSG,RadioServiceGateway,无线侧业务网关

RSOH,RegenerateSectionOverHead,再生段开销

RSVP,ResourceReservationProtocol,资源预留协议

RSVP-TE,ResourceReSerVationProtocol-TrafficEngineering,资源预留协议-流量工程

RT,RouteTarget,路由目标

RTT,RoundTripTime,往返时间

RX,Receiver,接收机

SA,ServiceArea,服务区

SBS,StimulatedBrillouinScattering,受激布里渊散射

SC,SwitchedConnections,交换连接

SCM,SubCarrierMultiplexing,副载波复用

SD,SoftDecision,软判决

SD,SignalDegradation,信号劣化

SDH,SynchronousDigitalHierarchy,同步数字体系

SDL,SimpleDataLink,简单数据链路

SDM,SpaceDivisionMultiplexing,空分复用

SDXC,Synchronous

DigitalCrossConnect,同步数字交叉连接

SEC,SDHElementClock,SDH网元时钟

SEL,Selector,选择器

SES,SeriousErrorSecond,严重误码秒

SLA,ServiceLevelAgreement,业务级别协议

SLA,ServiceLevelAgreement,服务等级合约

SLML,SingleLongitudinalModelaser,单纵模激光器

SMF,SystemManagementFunction,系统管理功能

SMF,SingleModeFiber,单模光纤

SML,ServiceManagementLayer,业务（服务）管理层

SMN,SDHManagementNetwork,SDH管理网

SMS,SDHManagementSubnet,SDH管理子网

SN,ServiceNode,业务节点

SNCP,SubNetworkConnectionProtection,子网连接保护

SNI,ServiceNodeInterface,业务节点接口

SNR,Signal-to-NoiseRatio,信噪比

SNSR,Side-ModeSuppressionRatio,边模抑制比

SOH,SectionOverHead,段开销

SONET,SynchronousOpticalNetwork,同步光纤网络

SPC,SoftPermanentConnection,软永久连接

SPE,ServiceProvider-endPE,运营商侧PE

SPF,ShortestPathFirst,最短路径优先

SPF,ServicePortFunction,业务口功能

SPI,SDHPhysicalInterface,SDH物理接口

SPM,Self-PhaseModulation,自相位调制

SQ,SeQuence,序列号

SR,ServiceRouter,业务路由器

SRS,StimulatedRamanScattering,受激拉曼散射

SSM,SynchronizationStatusMessage,同步状态信息

STM,SynchronousTransportModule,同步传递模块

STS,SynchronousTransportSignal,同步传送信号

SyncE,SynchronousEthernet,同步以太网

TC,TransmissionConvergence,传输汇聚

TC,TransparentClock,透传时钟

TCM,TandemConnectionMonitor,串联连接监视

TCM,TimeCompressionMultiplexing,时间压缩复用

TCP,TransmissionControlProtocol

,传输控制协议

TDD,TimeDivisionDup