AAL适配层:ATM Adaptation Layer 异步传输适配层
ABR 区域边界路由器
AC 接入电路Attachment Circuit
ACL 访问控制列表,存取访问控制列表access control list
ADM 分插复用器 Add and Drop Multiplexer
ADSL 非对称数字用户环路 Asymmetrical Digital Subscriber Line
AFEC 增强型前向纠错 Advanced Forward Error Correction
AFI 认证和格式标识器 Authority and Format Identifier
AFR 绝对频率参考 Absolute Frequency Reference
AGC 自动增益控制 Automatic Gain Control
AIS 告警指示信号 Alarm Indication Signal
AN 接入网 Access Network
AP 接入点 Access Point
APON ATM无源光网络 ATM Passive Optical Network
APS 自动保护倒换,自动保护切换Automatic Protection Switch(ing)
ARP 地址解析协议Address Resolution Protocol
AS 自治系统Autonomous System
ASBR 自治域系统边界路由器
ASIC 专用集成电路 Application-Specific Integrated Circuit
ASON 自动交换光网络 Automatic Switched Optical Network
ASP 应用业务提供商 Application Service Provider
ASTN 自动交换传送网 Automatic Switched Transport Network
ATM 异步传输模式Asynchronous Transfer Mode
ATM_ARP 一种ATM地址解析协议 An ATM Address Resolution Protocol
ATP 捕获、跟踪和瞄准 Acquisition,Tracking,Pointing
BA 桥接放大器 Bridge Amplifier
BA 基本存取,基本接入 Basic Access
BA 行为聚合Behavior Aggregate
BDR Backup Designated Router
BER 比特差错率(误码率) Bit Error Rate
BFD Bidirectional Forwarding Detection 双向转发检测
BGP border gateway protocol 边界网关协议
B-ISDN 宽带综合业务数字网Broadband Integrated Services Digital Network
BLSR 双向线路倒换环 Bidirectional Line-Switched Ring
BRAS:Broadband Remote Access Server宽带远程介入服务器
BSC 基站控制器Base Station Controller
CAC 呼叫接纳控制 Call Admission Control
CAC 连接接纳控制 Connect Accept Control
CAR 约定访问速度 Committed Access Rate
CATV 有线电视 Cable Television
CBQ 基于类的队列 Class-Based Queueing
CBR 固定比特速率Constant Bit Rate
CBR 约束路由 Constraint-Based Routing
CBS 保证突发尺寸 Committed Burst Size
CBS 空分交换器Cross bar switch
CBWFQ 基于类的加权公平队列 Class Based Weighted Fair Queueing
CDMA 码分多址接入 Code Division Multiple Access
CDV 信元时延变量 Cell Delay Vary
CE 客户边缘设备Customer Edge Equipment
CEP Circuit Emulation over Packet
CER 信元差错率 Cell Error Rate
CES 电路仿真业务Circuit Emulation Service
CESoPSN 分组交换网的电路仿真Circuit Emulation Service over Packet Switch Network
CFM Connectivity Fault Management
CFP 单板失效保护 Card Failure Protection
CIR 保证信息速率 Committed Information Rate
CLI 命令行接口Command Line Interface
CLP 信元丢弃优先级 Cell Loss Priority
CLR 信元丢失率 Cell Lost Rate
CLS 负载控制服务Controlled-Load service
CoS 业务分类(级)Class of Service
CP 连接点 Connection Point
CPE 客户端设备 Customer Premises Equipment
CQ 定制队列 Cushion queueing
CRC Cyclic Redundancy Check
CS 汇聚子层 Convergence Sublayer
CSPF 基于约束的最短路径优先 Constraint-based Shortest Path First
CTD 信元传送时延 Cell Transport Delay
DCC 数据通信通路Data Communication Channel
DCN 数据通信网络 Data Communication Network
DDI (用户交换机的)直接拨入 Direct-Dialing-In
DDN Digital data network 数字数据网
DHCP 动态主机配置协议Dynamic Host Configuration Protocol
DLCI 数据链路连接标识符 Data Link Connection Identifier
DPI 深度报文检测 Deep Packet Inspection
DR 指派路由器Designated Router
DSCP 区分服务代码点 DiffServ Code Point
DSN Data source name数据源名称
DVB 数字视频广播Digital Video Broadcasting
DWDM 密集波分复用