F

FC(Frame Control,帧控制)
FCS(Frame check sequence,帧检验序列)
FDD(Frequency Division Duplexing,频分双工制)
FDDI(Fiber Distributed Data Interface,光纤分布式数据接口)
FDM(Frequency Division Multiplexing,频分多路复用)
FDMA(Frequent Division Multiple Access,频分多址访问)
FEC(Forward Error Correct,前向纠错重发方式)
FEC(Forwarding Equivalence Class,转发等价类)
FECN(Forward Explicit Congestion Notification,前向显式拥塞通知)
FHSS(Frequency Hopping Spread Spectrum,跳频扩频)
FIFO(First In First Out,先进先出)
Finger(User Information Protocol,用户信息协议)
FL(Forward Link,前向链路)
FM(Frequency Modulation,调频)
FPS(Fast Packet Switching,快速分组交换)
FR(Frame Relay,帧中继)
FS(Frame State,帧状态)
FSK(Frequency Shift Keying,频移键控)
FT1(Fractional T1,部分T1)
FTAM(File Transfer, Access&Management,文件传输、访问和管理)
FTP(File Transfer Protocol,文件传输协议)
FTTB(Fiber To The Building,光纤到楼)
FTTH(Fiber To The Home,光纤到户)
FWA(Fixed Wireless Access,固定无线接入技术)

G

GEO(Geostationary Earth Orbit,地球同步轨道)
GFC(General Flow Control,通用流量控制)
GGP(Gateway-To-Gateway Protocol,网关到网关协议)
GPS(Global Positioning Service,全球定位服务)
GRE(Generic Routing Encapsulation,通用路由封装)
GSM(Global System for Mobile Communications,移动通信全球系统)

H

HDLC(High Level Data Link Control,高级数据链路控制)
HDSL(High data rate DSL,高数据速率数字用户线路)
HEC(Header Error Control,信元头差错控制)
HEC(Hybrid Error Correct,混合纠错方式)
HFC(Hybrid Fiber-Coax,混合光纤-同轴电缆网)
HMAC(Hash-Base Message Authentication Code)
HMAC-HAS-1(Secure Hash Alogrithm Version 1)
HPR(High Priority Request,高优先级请求)
HR-DSSS(High-Rate Direct Sequence Seuquence Spectrum,高速率的直接序列扩频)
HSDPA(High Speed Downlink Packet Access,高速下行分组接入)
HTML(Hypertext Markup Language,超文件标记语言)
HTTP(Hypertext Transfer Protocol,超文本传输协议)

I

IANA(Internet Assigned Numbers Authority ,Internet网络号分配机构)
IAP(Internet Access Provider,Internet 接入提供商)
iBGP(inter BGP,内部BGP)
IBSS(Integrated Business Support System,综合业务支撑系统)
ICI(Interface Control Information,接口控制信息)
ICMP(Internet Control Message Protocol,Internet控制信息协议)
ICP(Internet Content Provider,Internet内容提供商)
ICV(Integrality Check Value,包的完整性验证值)
IDC(Internet Data Center,互联网数据中心)
IDEA(International Data Encryption Algorithm,国际数据解密算法)
IDRP(Inter-Domain Router Protocol,域间路由协议)
IDS(Intrusion Detection System,***检测系统)
IDSL(ISDN DSL,ISDN数字用户线路)
IDU(Interface Data Unit,接口数据单元)
IEC(International Electrotechnical Commission,国际电工委员会)
IEEE(Institute of Electrical and Electronics Engineers,美国电气与电子工程师协会)
IANA(Internet Assigned Numbers Authority,互联网地址指派机构)
IETF(Internet Engineering Task Force,互联网工程任务组)
IGAP(IGMP for user Authentication Protocol,IGMP 用户认证协议)
IGMP(Internet Group Management Protocol,Internet 组管理协议)
IGPs(Interior Gateway Protocols,内部网关协议族)
IGRP(Interior Gateway Routing Protocol,内部网关路由协议)
IKE(Internet Key Management,密钥交换协议)
ILD(Injection Laser Diode,注入型激光二极管)
IMAP(Internet Message Access Protocol,因特网信息访问协议)
IMS(IP Multimedia Sub-system,IP多媒体子系统)
InARP(Inverse Address Resolution Protocol,帧中继环境的地址解析协议)
INFO(Information,信息)
InternetNIC(Internet's Network Information Center,Internet网络信息中心)
IOS(Internetwork Operating System,网络操作系统)
IP(Internet Protocol,网际协议)
IPCP(IP Control Protocol,IP控制协议)
IPDC(IP Device Control,IP设备控制)
IPSec(IP Security,IP层安全协议)
IPv4(Internet Protocol version 4,网际协议第4版)
IPv6(Internet Protocol version 6,网际协议第6版)
IPv6CP(IPv6 Control Protocol,IPv6控制协议)
IPXCP(IPX PPP Control Protocol,PPP的IPX控制协议)
IR(Infrared Ray,红外线)
IRCP/IRC(Internet Relay Chat Protocol,因特网在线聊天协议)
IRDP(ICMP Router Discovery Protocol,ICMP路由器发现协议)
IS(Intermediate System,中间系统)
ISAKMP(Internet Security Association and Key Management Protocol,Internet安全协作和密钥管理协议)
ISDN(Integrated Services Digital Network,综合业务数字网络)
IS-IS(Intermediate System to Intermediate System,中间系统到中间系统)
ISM(Industrial Scientific and Medical)频段
ISO (International Organization for Standardization,国际标准化组织)
ISP(Internet Service Provider,Internet服务提供商)
ITOT(ISO Transport service On top of the TCP,基于TCP/IP 的 ISO 传输协议)
ITU(International Telecommunications Union,国际电信联盟)

J

JSP(Java Server Pages)

K

KDC(Key Distribution Center,密钥分发中心)
KMI(Key Management Infrastruture,密钥管理基础设施)

L

L2F(Level 2 Forwarding protocol,第二层转发协议)
L2TP(Layer 2 Tunneling Protocol,第二层隧道协议)
L3S(Layer 3 Switching,第三层交换技术)
LAC(L2TP Access Concentrator,L2TP访问集中器)
LAN(Local Area Network,局域网)
LANE(LAN Emulation Over ATM,ATM网上的局域网仿真)
LAP(Link Access Procedure,链路访问过程)
LAPB(Link Access Procedure Balanced,平衡式链路访问过程)
LAPD(Link Access Protocol on D Channel,D信道上的链路访问过程)
LAPF(Link Access Procedure to Frame mode bearer service,帧模式承载业务链路访问过程)
LAPM(Link Access Procedure for Modem,调制解调器的链路访问过程)
LAPS(Link Access Procedure-SDH,SDH链路访问过程)
LATA(Local Access and Transport Area,本地访问传输区域)
LCP(Link Control Protocol,链路控制协议)
LDAP(Lightweight Directory Access Protocol,轻量级目录访问协议)
LDK(Lapped Double Key,多重双钥)
LDP(Label Distribution Protocol,标记分发协议)
LE(Local Exchange,本地交换机)
LEC(LAN Emulation Client,局域网仿真客户)
LEC(Local Exchange Carrier,本地交换电信局)
LECS(LAN Emulation Configuration Server,局域网仿真配置服务器)
LED(Light Emitting Diode,发光二极管)
LEO(Low-Earth Orbit,低地球轨道)
LER(Label Edge Router,标签边缘路由器)
LES(LAN Emulation Server,局域网仿真服务器)
LF(Low Frequency,低频)
LIS(Logical IP Subnet,逻辑IP子网)
LLC(Logical Link Control,逻辑链路控制)
LMDS(Local Multipoint Distribution System,本地多点分分布式系统)
LMI(Local Management Interface,本地网络接口)
LNP(Local Number Portability,电话携号转网)
LNS(L2TP Network Server,L2TP网络服务器)
LOH(Line OverHead,线路开销)
LPK(Lapped Public Key,多重公钥)
LSA(Link State Advertisements,链路状态通告)
LSACK(Link-State Acknowledgement,链路状态应答)
LSP(Link-State Packets,链路状态数据报)
LSR(Label Switching Router,标记交换路由器)
LSR(Link State Request,链路状态请求)
LSU(Link State Update,链路状态更新)
L-S算法(Link State Algorithm,链路状态路由算法)