网络工程师必备英语单词

计算机软考网络工程师必备英语词汇全集EFS 加密文件系统EAP Extensible authentication protocol 扩展授权协议ESP 封装安全载荷FTAM File transfer access and managementFDM Frequency division multiplexing 频分多路复用FDMA 频分多址FSK 频移键控FSM File system mounter 文件系统安装器FECN 向前拥塞比特FLP Fast link pulse 快速链路脉冲FTP File transfer protocol 文件传输协议FDDI Fiber distributed data interface 光纤分布数据接口FHSS Frequency-Hopping spread spectrum 频率跳动扩展频谱FTTH Fiber to the home 光纤到户FTTC Fiber to the curb 光纤到楼群、光纤到路边FAQ Frequently asked question 常见问题FQDN Fully qualified domain name 主机域名全称FPNW File and print service for netwareFWA 固定无线接入FD 光纤结点FEC Fast Ethernet channel 快速以太网通道GTT Global title translation 全局名称翻译GFC General flow controlGACP Gateway access control protocolGEA Gibabit Ethernet alliance 千兆以太网联盟GEC Giga Ethernet channel 千兆以太网通道GSMP General switch management protocol 通用交换机管理协议GGP Gateway-to-gateway prtotcol 核心网关协议GSM Global systems for mobile communications 移动通信全球系统GCRA Generic cell rate algorithm 通用信元速率算法GSNW Gateway service for netware Netware 网关服务GPO Group policy object 组策略对象GBE Giga band ethernet 千兆以太网GD Generic decryption 类属解密GPL General public license 通用公共许可协议GBIC 千兆位集成电路Hamming 海明HDLC High level data link control 高级数据链路控制协议HEC Header error check 头部错误控制HNS Host name server 主机名字服务HTML Hyper text Markup language 超文本标记语言HTTP Hyper text transfer protocol 超文本传输协议HIPPI High performance parallel interface 高性能并行接口HDTV High definition television 高清晰度电视HDT 主数字终端HFC Hybrid fiber coax 混合光纤/同轴电缆网HAL Hardware abstraction layer 硬件抽象层HCL 硬件认证程序HDSL High-bit-rate DSL 高速率DSLHFC Hybrid fiber/coax network 混合光纤-同轴电缆HE 视频前端HSDPA 高速下行包数据接入HSRP 热等待路由协议IR 指令寄存器ID 指令译码器IS Instruction Stream 指令流IS-IS 中间系统与中间系统ICN 互联网络IMP Interface Message Processor 接口信息处理机ISP Internet service provider 因特网服务供应商ICP Internet Content Provider 网络信息服务供应商IPX Internet protocol eXchange ILD Injection laser diode 注入式激光二极管IDP Internet datagram protocolISUP ISDN user partIDC International code designatorIDI Initial domain identifierILMI Interim local management interface 本地管理临时接口ISM Industrial scientific and medicalIR ifrared 红外线IRC Internet relay chatIFS Inter frame spqcing 帧间隔IP Internet protocol 网络互连协议IPSec Internet protocol Security Internet安全协议ICMP Internet control message protocol 互联网络报文控制协议IMAP Interim mail access protocolIGP Interior gateway protocol 内部网关协议IFMP Ipsilon flow management protocol 流管理协议IDN Integrated digital network 综合数字网IDU Interface data unit 接口数据单元IMP Interface message processor 接口信息处理机ITU International telecommunication union 国际电信联盟ISO International standards organization 国际标准化组织IEEE Institute of electrical and electronics engineers 电子电器工程师协会IAB Internet activities board 因特网活动委员会IAB Internet Architecture board Internet体系结构委员会IRTF Internet research task force 因特网研究特别任务组MPLS 多协议标记交换MD5 Message digest 5 报文摘要5MX Mail eXchanger 邮件服务器MUD 多用户检测技术MMDS Multichannel multipoint distribution system 多通道多点分配业务NBS 美国国家标准局NSF National Science Foundation 美国国家科学基金会NII National Information Infrastructure 美国国家信息基础设施NCFC 教育与科研示范网络NN Network node 网络结点NCP Netware core protocol Netware核心协议NCP Network control protocol 网络控制协议NAP Network access point 网络接入点NDS Netware directory services Netware目录服务NRZ Not return to zero 不归零码Nyquist 尼奎斯特NAK Negative acknowledgement 否定应答信号NRM Normal response mode 正常响应方式N-ISDN Narrowband integrated service digital network 窄带ISDNNLP Normal link pulse 正常链路脉冲NAT Network address translators 网络地址翻译NAPT Network address port translation 网络地址和端口翻译NVT Network virtual terminal 网络虚拟终端NCSA National center for supercomputing ApplicationsNFS 美国国家科学基金会NVP Network voice protocol 网络语音协议NSP Name service protocol 名字服务协议NIC Network information center 网络信心中心NIC Network interface card 网卡NOS Network operating system 网络操作系统NDIS Network driver interface specificationNREN National research and educational network 国家研究和教育网NIST National instrtute of standards and technology 国际标准和技术协会NNI Network network interface 网络-网络接口NNTP Network news transfer protocol 网络新闻传输协议NCSA National center for supercomputing applications 国家超级计算机应用中心NTSC National television standards committee 美国电视标准委员会NDIS Network drive interface specification 网络驱动程序接口规范NETBIOS 网络基本输入输出系统NETBEUI BetBIOS Extended user interface NETBIOS扩展用户界面NBI Network binding interface 网络关联接口NFS Network file system 网络文件系统NIST 美国国家标准和技术协会NCSC 国家计算机安全中心NNTP Network news transfer protocol 网络新闻传输协议NVOD Near video ondemand 影视点播业务NIU 网络接口单元NAS 网络接入服务NAS Network attached storage 网络连接存储OAM Operation and maintenance 操作和维护OSI/RM Open system interconnection/Reference model 开放系统互联参考模型OMAP Operations maintenance and administration part 运行、维护和管理部分OAM Operation and maintenanceOFDM Orthogonal frequency division multiplexingOSPF Open shortest path first 开放最短路径优先OGSA Open Grid Services Architecture 开放式网格服务架构ONU Optical network unit 光纤网络单元OLE 对象链接和嵌入ODI Open data link interface 开放数据链路接口ODBC 开放数据库连接OSA 开放的业务结构PC 程序计数器PEM 局部存储器PTT Post telephone&telegraphPLP 分组级协议PSK 相移键控PCM Pulse code modulation 脉码调制技术PAD Packet assembly and disassembly device 分组拆装设备PCS 个人通信服务PSE 分组交换机PDN Public data network 公共数据网PLP Packet layer protocolPVC Permanent virtual circuit 永久虚电路PBX Private branch eXchange 专用小交换机PMD Physical medium dependent sublayer 物理介质相关子层PTI Payload type 负载类型PAM 脉冲幅度调制PPM 脉冲位置调制PDM 脉宽度调制PDA Personal digital assistant 个人数字助理PAD Packet assembler-Disassembler 分组打包/解包PDU Protocol data unit 协议数据单元PLCP Physical layer convergence protocol 物理层会聚协议PMD Physical medium dependent 物理介质相关子层SPE Synchronous payload envelope 同步净荷包SIPP Simple internet protocol plus 增强的简单因特网协议SCR Sustained cell rate 持继信元速率SECBR Severly-errored cell block ratio 严重错误信元块比率SEAL Simple efficient adaptation layer 简单有效的适配层SSCOP Service specific connection oriented protocol 特定服务的面向连接协议SHA Secure hash algorithm 保密散列算法SMI Structer of management information 管理信息的结构SGML Standard generalized markup language 标准通用标记语言SBS Server based setupSAM Security account manager 安全帐号管理器SPS Standby power supplies 后备电源SPK Seeded public-Key 种子化公钥SDK Seeded double key 种子化双钥SLED Single large expensive driveSID 安全识别符SDSL Symmetric DSL 对称DSLSAT 安全访问令牌SMS System management server 系统管理服务器SSL 安全套接字层SQL 结构化查询语言STB Set top box 电视机顶盒SIPP Simple internet protocol plusSGML Standark generalized markup language 交换格式标准语言SN 业务接点接口SNI Service node interface 业务接点接口SOHO 小型办公室SIP Session initiation protocol 会话发起协议SCS Structured cabling system 结构化综合布线系统SMFs System management functions 系统管理功能SMI Structure of management information 管理信息结构SGMP Simple gateway monitoring protocol 简单网关监控协议SFT System fault tolerance 系统容错技术SAN Storage Area Network 存储区域网络TCP Transmission control protocol 传输控制协议TTY 电传打字机TDM Time division multiplexing 时分多路复用TDMA 时分多址TCM Trellis coded modulation 格码调制TCAP Transaction capabilities applications part 事务处理能力应用部分TE1 1型终端设备TE2 2型终端设备TA 终端适配器TC Transmission convergence 传输聚合子层TRT 令牌轮转计时器THT 令牌保持计时器TFTP Trivial file transfer protocol 小型文件传输协议TDI Transport driver interface 传输驱动程序接口TIP Terminal interface processor 终端接口处理机TPDU Transport protocol unit 传输协议数据单元TSAP Transport service access point 传输服务访问点TTL Time to live 使用的时间长短期TLS 运输层安全TAPI Telephone application programming interface 电话应用程序接口TTB Trusted tomputing base 可信计算基TCSEC Trusted computer system evaluation criteria 可信任计算机系统评量基准TMN Telecommunications management network 电信管理网TDD 低码片速率TIA 美国电信工业协会UTP Unshielede twisted pair 无屏蔽双绞电缆UTP Telephone user part 电话用户部分UDP User datagram protocol 用户数据报协议UA 无编号应答帧UI 无编号信息帧UNI User-network interface 用户网络接口UBR Unspecified bit rate 不定比特率U-NII Unlicensed national information infrastructureURL Uniform resource locator 通用资源访问地址统一资源定位器URI Universal resource identifiers 全球资源标识符UNC Universal naming convention 通用名称转换UPS Uninterruptible power supplies 不间断电源UDF Uniqueness database file 独一无二的数据库文件UE 终端USM User security mode 用户的安全模型VT Virtual terminal 虚拟终端VC Virtual circuit 虚电路VSAT Very small aperture terminal 甚小孔径终端系统Virtual path 虚通路Virtual channel 虚信道VPI Virtual path identifiers 虚通路标识符VCI Virtual channe identifiers 虚信道标识符VBR Variable bit rate 变化比特率VLSM Valiable length subnetwork mask 可变长子网掩码VOD Video on demand 视频点播VLL 虚拟租用线路VPRN 虚拟专用路由网络VPDN 虚拟专用拨号网络VPLS 虚拟专用LAN片断VPN Virtual private network 虚拟私用网络VSM 话音服务模块VTP VLAN Trunking Protocol VLAN中继协议WDM Wave division multiplexing 波分多路复用WLAN Wireless local area networks 无线局域网WWW World wide web 环球网、万维网WAIS Wide area information server 广域信息服务器WINS Windows internet name service Windows网间网命名系统WTS Windows终端服务器WSH Windows scripting HostWML Wireless markup language 无线标记语言WCDMA Wideband code division multiple access 宽带码分多址XID 交换标识X.500 用于目录管理方面最常见的协议XNS 施乐网络服务系统XML Exbensible markup languge 可延伸的标识语言ZAW 零管理窗口CIX Commercial internet exchange 商业internet交换CAU Controlled access unit 中央访问单元CDDI Copper distributed data interfaceCDPD Celluar digital packet data 单元数字分组数据CS Convergence sublayer 汇集子层CDMA Code division multiple access 码分多址CBR Constant bit rate 恒定比特率CVDT Cell variation delay tolerance 信元可变延迟极值CLR Cell loss ratio 信元丢失比率CHAP Challenge handshake authentication protocol 挑战握手认证协议CTD Cell transfer delay 信元延迟变化CER Cell error ratio 信元错误比率CMR Cell misinsertion rate 错误目的地信元比率CPI Common part indicator 公用部分指示器CGI Common gateway interface 公共网关接口CLUT Color look up table 颜色查找表CCITT 国际电报电话咨询委会会CLSID 类标识符CCM 计算机配置管理CAP Carrierless amplitude-phase modulationCapture trigger 捕获触发器CSNW Client service for netware Netware客户服务CA 证书发放机构CRL Certificate revocation list 证书吊销列表CPK/CDK Conbined public or double key 组合公钥/双钥CAE 公共应用环境CM Cable modem 电缆调制解调器CMTS 局端系统CCIA 计算机工业协会CMIS Common management information service 公共管理信息服务CMIP Common management information protocol 公共管理信息协议CGMP 分组管理协议DBMS 数据库管理系统DS Data Stream 数据流DS Directory service 目录服务DSL Digital subscriber line 数字用户线路DSLAM DSL access multiplexerDSSS Direct swquence spread spectrum 直接序列扩展频谱DARPA 美国国防部高级研究计划局DNA Digital Network Architecture 数字网络体系结构DCA Distributed Communication Architecture 分布式通信体系结构DLC Data link control 数据链路控制功能DLCI Data link connection identifier 数据链路连接标识符DTE Data terminal equipment 数据终端设备DCE Date circuit equipment 数据电路设备DPSK Differential phase shift keying 差分相移键控DTMF 双音多频序列DCC Data county codeDSP Domain specific partDPSK 差分相移键控DQDB Distributed queue dual bus 分布队列双总线DFIR Diffused IR 漫反射红外线DCF Distributed coordination function 分布式协调功能DOD 美国国防部DNS Domain name system 域名系统DLS Directory location serviceDAT Dynamic address translation 动态地址翻译DCS Distributed computing systemDIS Draft internation standard 国际标准草案DSMA Digital sense multiple access 数字侦听多路访问DES Data encrytion standard 数据加密标准DSS Digital signature standard 数字签名标准DSA 目录服务代理DMSP Distributed mail system protocol 分布式电子邮件系统协议DPCM Differential pulse code modulation 差分脉冲码调制DCT Discrete cosine trasformation 离散余弦变换DVMRP Distant vector multicast routing protocol 距离向量多点播送路由协议DHCP Dynamic host configuration protocol 动态主机配置协议DFS 分布式文件系统DES 数据加密标准DCD 数据载波检测DSMN Directory server manager for netware Netware目录服务管理器DSL Digital subscriber line 数字用户线路DDN Digital data network 数字数据网DDR Dial on demand routing 按需拨号路由DOS Denial of service 拒绝服务DAS Direct attached storage 直接存储模式EDI Electronic data interchange 电子数据交换Enterprise network 企业网EN End node 端节点ES-IS 端系统和中间系统ECMA European computer manufacturers associationEIA Electronic industries association 美国电子工业协会ESI End system identifierESS Extended service set 扩展服务集EDLC Ethernet data link controller 以太网数据链路控制器EGP Exterior gateway protocol 外部网关协议AMI Alternate mark inversion 信号交替反转编码ALU 逻辑运算单元A/N 字符/数字方式ACF/VTAM Advanced communication facility/Virtual telecommunication access method APA 图形方式APPN Advanced peer-to-peer networking 高级点对点网络ASN.1 Abstract syntax notation 1 第一个抽象语法ASCE Association control service Element 联系控制服务元素ASE Application service element 应用服务元素ASK 幅度键控ACK 应答信号ARQ Automatic repeat request 自动重发请求ARP Address resolution protocol 地址分解协议ARIS Aggragate route-based IP switchingADCCP Advanced data communication control procedureATM Asynchronous transfer mode 异步传输模式ABM Asynchronous balanced mode 异步平衡方式ARM Asynchronous response mode 异步响应方式AFI Authority and format identifierABR Available bit rate 有效比特率AAL ATM adaptation layer ATM适配层AC Acknowledged connectionless 无连接应答帧ACL 访问控制清单AS Autonomous system 自治系统ABR Available bit rate 可用比特率AP Access point 接入点ANS Advanced network services 先进网络服务ARP Address resolution protocol 地址解析协议ANSI 美国国家标准协会AMPS Advanced mobile phone system 先进移动电话系统ARQ Automatic repeat request 自动重发请求ADCCP Advanced data communication control procedure 高级数据通信过程ACTS Advanced communication technology satellite 先进通信技术卫星ACR Actual cell rate 当前速率ASN.1 Abstract syntax notation one 抽象语法符号1ADSL Asymmetric digital subscriber line 非对称数字用户线路ADSI Active directory scripting interfaceADC Analog digital converter 模数转换器API 应用程序接口ARPA Advanced research projects agency 美国高级研究规划局ACE 访问控制条目ASP Active server pagesARC Advanced RISC computingAH 认证头ADS Active directory service 活动目录服务ATU-C ADSL transmission Unit-Central 处于中心位置的ADSL Modem ATI-R ADSL transmission Unit-Remote 用户ADSL ModemBMP Burst mode protocol 突发模式协议BECN 向后拥塞比特B-ISDN Broadband integrated service digital network 宽带ISDNBSA Basic service area 基本业务区BSS Basic service set 基本业务区BGP Border gateway protocol 边界网关协议BER Basic encoding rules 基本编码规则BAP Bandwidth allocation protocol 动态带宽分配协议BACP Bandwidth allocation control protocol 动态带宽分配控制协议BRI Basic rate interface 基本速率接口BIND Berkeley internet name domain UNIX/Linux域名解析服务软件包BPDU Bridge protocol data unit 桥接协议数据单元BER Basic encoding ruleCRT 阴极射线管CCW 通道控制字CSWR 通道状字寄存器CAWR 通道地址字寄存器CN Campus network 校园网CNNIC 中国互联网络信息中心ChinaNET 中国公用计算机互联网CERNET 中国教育科研网CSTNET 中国科学技术网CHINAGBN 国家公用经济信息能信网络CCITT Consultative committee international telegraph and telephoneCEP Connection end point 连接端点CP Control point 控制点CONS 面向连接的服务CCR Commitment concurrency and recovery 并发和恢复服务元素CMIP Common management information protocol 公共管理信息协议CMIS Common management information service 公共管理信息服务CATV 有线电视系统CRC Cyclic redundancy check 循环冗余校验码CBC 密码块链接CLLM Consolidated link layer management 强化链路层管理CLP Cell loss priorityCSMA/CD Carrier sense multiple access/collision detection 带冲突检测介质访问控制CBR Constant bit rate 固定比特率CEPT 欧洲邮电委员会CCK Complementary code keyingCLNP Connectionless network protocol 无连接的网络协议CIDR Classless inter-domain routing 无类别的域间路由CERN The European center for Nuclear Research 欧洲核子研究中心CGI Common gateway interface 公共网关接口IPC Inter process communication 进程间通信IXC Interexchange carrier 内部交换电信公司IMTS Improved mobile telephone system 该进型移动电话系统IGMP Internet group management protocol 网组管理协议IDEA International data encryption Algorithm国际数据加密算法IMAP Interactive mail access protocol 交互式电子邮件访问协议IPRA Internet policy registration authority 因特网策略登记机构ISP 因特网服务提供商ICA 独立客户机结构IPX/SPX 互联网分组交换/顺序分组交换InterNIC Internet network information centerISM Internet service managerISAP Internet information server 应用程序编程接口IRC Internet relay chat 互联网中继交换ISL Inter switch link 内部交换链路IRP I/O请求分组IIS Internet information server Internet信息服务器ISU 综合业务单元ISDN Integrated service digital network 综合业务数字网IGRP Interior gateway routing protocol 内部网关路由协议JPEG Joint photographic experts group 图像专家联合小组KDC Key distribution center 密钥分发中心LCD 液晶显示器LIFO 后进先出LED Light emitting diode 发光二极管LEN Low-entry node 低级入口节点LNP Local number portability 市话号码移植LAP Link access procedure 链路访问过程LAP-B Link access procedure-BalancedLAN Local area networks 局域网LANE LAN emulated LAN仿真标准LEC LAN仿真客户机LES LAN emulaion server LAN仿真服务器LECS LAN仿真配置服务器LLC Logic link control 逻辑链路控制LC 迟到计数器LCP Link control protocol 链路控制协议LDAP Lightweight directory access protocolLSR 标记交换路由器LER 标记边缘路由器LDP 标记分发协议LATA Local access and transport areas 本地访问和传输区域LEC Local exchange carrier 本地交换电信公司LIS Logical IP subnet 逻辑IP子网LI Length indicator 长度指示LDAP Light directory access protocol 轻型目录访问协议LILO The Linux loaderL2TP Layer2 tunneling protocol 第2层通道协议LMI 本地管理接口LPK/LDK Lapped public or double key 多重公钥/双钥LMDS Local multipoint distribution services 本地多点分配业务LSA Link state advertisement 链路状态通告MAN Metropolitan area networks 城域网MISD 多指令流单数据流MIMD 多指令流多数据流MIMO 多输入输出天线系统MOTIS Message-oriented text interchange systemMC Manchester Code 曼彻斯特骗码Modulation and demodulation modem 调制解调器MTP Message transfer part 报文传输部分MAC Media access control 介质访问控制MAC Message authentication code 报文认证代码MAU Multi Access Unit 多访问部件MAP Manufacturing automation protocolMSP Message send protocol 报文发送协议MPLS Multi protocol label wsitching 多协议标记交换MFJ Modified final judgement 最终判决MTSO Mobile telephone switching office 移动电话交换站MSC Mobile switching center 移动交换中心MCS Master control station 主控站点MCR Minimum cell rate 最小信元速率MTU Maximum trasfer unit 最大传送单位MID Multiplexing ID 多路复用标识MIB Management information base 管理信息库MIME Multipurpose internet mail extensions 多用途因特网邮件扩展MPEG Moring picture experts group 移动图像专家组MIDI Music instrument digital interface 乐器数字接口MTU Maximum transfer unit 最大传输单元MCSE Microsoft 认证系统工程师MPR Multi protocol routing 多协议路由器MIBS 管理信息数据库MVL Multiple virtual line 多虚拟数字用户线PCF Point coordination function 点协调功能PPP Point to point protocol 点对点协议PSTN Public switched telephone network 公共电话交换网PSDN Packet Switched data network 公共分组数据网络Packet switching node 分组交换节点PAP Password authentication protocol 口令认证协议PAM Pluggable authentication modules 可插入认证模块POTS Plain old telephone service 老式电话服务PCS Personal communications service 个人通信服务PCN Personal communications network 个人通信网络PCR Peak cell rate 峰值信元速率POP Post office protocol 邮局协议PGP Pretty good privacy 相当好的保密性PCA Policy certification authorities 策略认证机构PPTP Point to point Tunneling protocol 点对点隧道协议POSIX 可移植性操作系统接口PTR 相关的指针PDH Plesiochronous digital hierarchy 准同步数字系列PPPoE Point-to-point protocol over ethernet 基于局域网的点对点通信协议PXC 数字交叉连接PRI Primary rate interface 主要率速接口QAM Quadrature amplitude modulation 正交副度调制QOS Quality of service 服务质量RTSE Reliable transfer service element 可靠传输服务元素ROSE Remote operations service element 远程操作服务元素RZ Return to zero 归零码Repeater 中继器RJE Remote job entry 远程作业RARP Reverse address resolution protocol 反向ARP协议RPC Remote procedure call 远程过程调用RFC Request for comments 请求评注RAID Redundant array of inexpensive disks 廉价磁盘冗余阵列RADIUS 远端验证拨入用户服务RAS Remote access services 远程访问服务RISC Reduced instruction set computer 最简指令系统RIP Routing information protocol 路由信息协议RRAS 路由与远程访问服务RDP 远程桌面协议RADSL 速率自适应用户数字线RAN 无线接入网RAS Remote access server 远程访问服务器RSVP Resource ReSerVation Protocol 资源预约协议SISD 单指令单流数据流SIMD 单指令多流数据流SP 堆栈指针寄存器SNA System Network Architecture 系统网络体系结构SNA/DS SNA Distribution service 异步分布处理系统SAP Service access point 服务访问点SAP Service advertising protocol 服务公告协议SPX Sequential packet eXchangeSNIC 子网无关的会聚功能SNDC 子网相关的会聚功能SNAC 子网访问功能SNACP Subnetwork access ptotocol 子网访问协议SNDCP SubNetwork dependent convergence protocol 子网相关的会聚协议SNICP SubNetwork independent convergence protocol 子网无关的会聚协议STP Shielded twisted pair 屏蔽双绞线STP Signal transfer point 信令传输点STP Spanning Tree Protocol 生成树协议SONET Synchronous optical networkSDH Synchronous digital hierarchy 同步数字系列SS7 Signaling system No.7SSP Service switching point 业务交换点SCP Service control point 业务控制点SCCP Signaling connection control part 信令连接控制部分SDLC Synchronous data link control 同步数据链路控制协议SIM 初始化方式命令SVC Switched virtual call 交换虚电路STM Synchronous transfer mode 同步传输模式SAR Segmentation and reassembly 分段和重装配SMTP Simple mail transfer protocol 简单邮件传送协议SFTP Simple file transfer protocolSNMP Simple network management 简单网络管理协议SNPP Simple network paging protocolSCSI 小型计算机系统接口SLIP Serial line IP 串行IP协议SMB Server message block 服务器报文快协议SRT Source routing transparent 源路径透明SDU Service data unit 服务数据单元SMDS Switched multimegabit data service 交换式多兆比特数据服务SAR Segmentation and reassembly 分解和重组SONET Synchronous optical network 同步光纤网络SDH Synchronous digital hierarchy 同步数字分级结构STS-1 Synchronous transport signal-1 同步传输信号。