A
AARP: AppleTalk Address Resolution Protocol
ABM: Asynchronous Balanced Mode
ABR:
ACF: Advanced Communications Function
ACF/NCP: Advanced Communications Function/Network Control Program
ACK: Acknowledge
ACR: Allowed Cell Rate
ACSE: Association Control Service Element
ADC: Analog to Digital Converter
ADCPP: Advanced Data Communications Control Protocol
ADPCM: Adaptive Differential Pulse Code Modulation
AEP: AppleTalk Echo Protocol
AIP: ATM Interface Processor
AIS: Alarm Indication Signal
AM: Amplitude Modulation
ANSI: American National Standards Institute
AMI: alternate mark inversion
APaRT: automated packet recognition/translation
API: Applications Programming Interface
APL: A Programming Language
APPC: Advanced Program-to-Program Communication
APPN: Advanced Peer-to-Peer Networking
ARA: AppleTalk Remote Access
ARCnet: Attached Resource Computer Network
ARM: Asynchronous Response Mode
ARP: Address Resolution Protocol
ARPA: Advanced Research Projects Agency
ARPANET: Advanced Research Projects Agency NETwork
ARQ: Automatic Repeat reQuest
ASBR: Autonomous System Boundary Router
ASCII: American Standard Code for Information Interchange
ASIC: Application Specific Integrated Circuits
ASN.1: Abstract Syntax Notation One
AST: Automatic Spanning Tree
ASTA: Advanced Software Technology and Algorithms
AT: Advanced Technology
ATDM: Asynchronous Time-Division Multiplexing
ATG: Address Translation Gateway
ATMM: ATM Management
ATP: AppleTalk Transaction Protocol
AUI: Attachment Unit Interface
AURP: AppleTalk Update-Based Routing Protocol
B
B8ZS: Binary 8-Zero Substitution
BASIC: Beginners All-purpose Symbolic Instruction Code
BBS: Bulletin Board System
BECN: Backward Explicit Congestion Notification
BER:
BERT: Bit Error Rate Tester
BGP: Border Gateway Protocol
BIGA: Bus Interface Gate Array
BISDN: Broadband ISDN
BITNET: "Because It's Time" Networking Services
BNN: Boundary Network Node
BPDU: Bridge PDU
BRI: Basic Rate Interface
BSC: Binary Synchronous Communication
BSD: Berkeley Standard Distribution
C
CATV: Cable TeleVision
CAM: Content Addressable Memory
CBDS: Connectionless Broadband Data Service
CBR: Constant Bit Rate
CCITT: Consultative Committee for International Telegraph and Telephone
CCS: Common Channel Signaling
CD: Carrier Detect
CDDI: Copper Distributed Data Interface
CDPD: Cellular Digital Packet Data
CD-ROM: Compact Disk Read Only Memory
CDVT: Cell Delay Variation Tolerance
CEMAC: Circuit Emulation Access Card
CEPT: Conférence Européenne des Postes et des Télécommunications
CERFnet: California Education and Research Federation network
CGA: Color Graphics Adapter
CHAP: Challenge Handshake Authentication Protocol
CICS: Customer Information Control System
CIDR: Classless InterDomain Routing
CIO: Chief Information Officer
CIP: Channel Interface Processor
CIR: Committed Information Rate
CISC: Complex Instruction Set Computing
CLAW: Common Link Access for Workstations
CLC: Cell Line Card
CLI: Command Line Interface
CLNP: Connectionless Network Protocol
CLNS: Connectionless Network Service
CLP: Cell Loss Priority
CMI: Coded Mark Inversion
CMIP: Common Management Information Protocol
CMIS: Common Management Information Services
CMNS: Connection-Mode Network Service
CMOS: Complementary Metal Oxide Semiconductor
CMT: Connection ManagemenT
CO: Central Office
COBOL: COmmon Business Oriented Language
CODEC: Coder/DECoder
COM: Common Object Model
CONP: Connection-Oriented Network Protocol
CORBA: Common Object Request Broker Architecture
COS:
COSINE: Cooperation for Open Systems Interconnection Networking in Europe
CP: Control Point
CPCS: Common Part Convergence Sublayer
CPE: Customer Premises Equipment
CPI-C: Common Programming Interface for Communications
CRC: Cyclic Redundancy Check
CERN: Corporation for Research and Educational Networking
CS: Convergence Sublayer
CSA: Canadian Standards Association
CSLIP: Compressed Serial Link Internet Protocol
CSMA/CD: Carrier Sense Multiple Access Collision Detect
CSNET: Computer Science Network
CSNP: Complete Sequence Number PDU
CSU: Channel Service Unit
CTCP: Client To Client Protocol
CTS:
D
DAC:
DARPA: Defense Advanced Research Projects Agency
DAS: Dual Attachment Station
DASD: Direct Access Storage Device
dB: deciBels
DB:
DCA: Defense Communications Agency
DOS: Disk Operating System
DCC:
DCE:
DDM: Distributed Data Management
DDN: Defense Data Network
DDP:
DES: Data Encryption Standard
DIA: Document Interchange Architecture
DIMM: Dual In-Line Memory Module
DIN: Deutsche Industrie Norm
DIP: Dual In-line Package
DISA: Defense Information Systems Agency
DLCI: Data-Link Connection Identifier
DLSw: Data-Link Switching
DLU: Dependent LU
DLUR: Dependent LU Requester
DLUS: Dependent LU Server
DMAC:
DMP: Data Movement Processor
DNA: Digital Network Architecture
DNIC: Data Network Identification Code
DNSIX: department of Defense intelligence information system network Security for Information Exchange
DNS: Domain Naming System
DoD: Department of Defense
DPE: Distributed Processing Environment
DQDB: Distributed Queue Dual Bus
DRAM: Dynamic RAM
DRP: Direct Response Protocol
DSAP: Destination Service Access Point
DSP: Domain Specific Part
DSR: Data Set Ready
DTE: Data Terminal Equipment
DTMF: Dual Tone MultiFrequency
DTR: Data Terminal Ready
DUAL: Diffusing Update ALgorithm
DVMRP: Distance Vector Multicast Routing Protocol
DXI: Data eXchange Interface
E
EARN: European Academic Research Network
EBCDIC: Extended Binary Coded Decimal Interchange Code
ECMA: European Computer Manufacturers Association
EDI: Electronic Data Interchange
EDIFACT: Electronic Data Interchange for Administration, Commerce, and Transport
EDO: Extended Data Out
EEPROM: Electrically Erasable Programmable ROM
EGA: Enhanced Graphics Adapter
EGP: Exterior Gateway Protocol
EIA: Electronic Industries Association
EIGRP: Enhanced IGRP
EIP: Ethernet Interface Processor
EISA: Extended Industry-Standard Architecture
ELAN: Emulated LAN
EMA:
EMI: ElectroMagnetic Interference
EMIF: ESCON Multiple Image Facility
EMP: ElectroMagnetic Pulse
EOT: End Of Transmission
EPROM: Erasable Programmable ROM
ESCON: Enterprise System Connection
ESD: ElectroStatic Discharge
ESDI: Enhanced Small Drive Interface
ESF: Extended Superframe Format
ES-IS: End System-to-Intermediate System
ESnet: Energy Sciences network
ETSI: European Telecommunication Standards Institute
EUnet: European Internet
F
FAQ: Frequently Asked Questions
FCC: Federal Communications Commission
FCS: Frame Check Sequence
FDDI: Fiber Distributed Data Interface
FDM: Frequency-Division Multiplexing
FECN: Forward Explicit Congestion Notification
FEIP: Fast Ethernet Interface Processor
FEP: Front-End Processor
FIFO: First In, First Out
FIP: FDDI Interface Processor
FM: Frequency Modulation
FNC: Federal Networking Council
FOIRL: Fiber-Optic InterRepeater Link
FORTRAN: FORmula TRANslation
FRAD: Frame Relay Access Device
FRAS: Frame Relay Access Support
FRU: Field-Replaceable Unit
FSIP: Fast Serial Interface Processor
FST: Fast Sequenced Transport
FTAM: File Transfer, Access, and Management
FTP: File Transfer Protocol
G
GB: GigaByte(s)
GDP: Gateway Discovery Protocol
GGP: Gateway-to-Gateway Protocol
GHz: GigaHertz
GID: Global Information Distribution
GIDD: Global Information Distribution Daemon
GNS: Get Nearest Server
GOSIP: Government OSI Profile
GRE: Generic Routing Encapsulation
GUI: Graphical User Interface
H
HDLC: High-Level Data Link Control
HEPnet: High-Energy Physics network
HIPPI: High-Performance Parallel Interface
HP: Hewlett Packard
HPCC: High Performance Computing and Communications
HPCS: High Performance Computing Systems
HPR: High Performance Routing
HSCI: High-Speed Communications Interface
HSRP: Hot Standby Router Protocol
HSSI: High-Speed Serial Interface
HTML: HyperText Markup Language
HTTP: HyperText Transfer Protocol
Hz: Hertz
I
IAB: Internet Architecture Board
IANA: Internet Assigned Numbers Authority
IAYF: Information At Your Fingertips
IBM: International Business Machines
ICD: International Code Designator
ICMP: Internet Control Message Protocol
IDE: Integrated Drive Electronics
IDI: Initial Domain Identifier
IDN: International Data Number
IDP: Initial Domain Part
IDPR: Interdomain Policy Routing
IDRP: IS-IS InterDomain Routing Protocol
IE: Internet Explorer
IEC: International Electrotechnical Commission
IEEE: Institute of Electrical and Electronics Engineers
IESG: Internet Engineering Steering Group
IETF: Internet Engineering Task Force
IFIP: International Federation for Information Processing
IGMP: Internet Group Management Protocol
IGP: Interior Gateway Protocol
IITA: Information Infrastructure Technology and Applications
ILMI: Interim Local Management Interface
IMAP: Internet Message Access Protocol
IMP: interface message processor
INOC: Internet Network Operations Center
I/O: input/output.
IOS: Internet Operating System
IP: Internet Protocol
IPSO: IP Security Option
IPX: Internet Packet eXchange
IRC: Internet Relay Chat
IRDP: ICMP Router Discovery Protocol
IRN: Intermediate Routing Node
IRSG: Internet Research Steering Group
IRTF: Internet Research Task Force
IS:
ISA: Industry-Standard Architecture
ISDN: Integrated Services Digital Network
ISO: International Organization for standardization
ISOC: Internet SOCiety
ISODE: ISO development environment
ISP: Information Service Provider
ISR: Intermediate Session Routing
ISSI: Inter-Switching System Interface
IT: Information Technology
ITU-T: International Telecommunication Union Telecommunication standardization sector
J
JANET: Joint Academic NETwork
JCL: Job Control Language
JUNET: Japan UNIX NETwork
JvNCnet: John von Neumann Computer network
K
KB: KiloByte(s)
KHz: KiloHertz
L
LANE: LAN emulation
LAPB: Link Access Procedure, Balanced
LAPD: Link Access Procedure on the D channel
LAPM: Link Access Procedure for Modems
LAT: Local-Area Transport
LATA: Local Access and Transport Area
LCC: Line Card Control
LCD: Liquid Crystal Display
LCI: Logical Channel Identifier
LCN: Logical Channel Number
LDAP: Lightweight Directory Access Protocol
LEC:
LECS: LAN Emulation Configuration Server
LED: Light Emitting Diode
LEN: Low-Entry Networking
LES: LAN Emulation Server
LIF: Low Insertion Force
LIFO: Last In, First Out
LINF: Line INterFace
LCC: Leadless Chip Carrier
LLC: Logical Link Control
LMI: Local Management Interface
LM/X: LAN Manager for UNIX
LNM: LAN Network Manager
LPD: Line Printer Daemon
LSA: Link-State Advertisement
LSI: Large Scale Integration
LSP: Link-State Packet
M
MAN: Metropolitan-Area Network
MAP: Manufacturing Automation Protocol
MAPI: Mail API
MAU: Media Attachment Unit
MB: MegaByte(s)
MBONE: Multicast backBONE
MCA: Micro Channel Architecture
MCI: Multiport Communications Interface
MCR: Minimum Cell Rate
MDA: Monochrome Display Adapter
MHS: Message Handling System
MIB: Management Information Base
MIC: Media Interface Connector
MILNET: Military Network
MIME: Multi-purpose Internet Mail Extensions
MIP: MultiChannel Interface Processor
MIS:
MMA: Master Management Agent
MODEM: MOdulator/DEModulator
MOP: Maintenance Operation Protocol
MOS: Metal Oxide Semiconductor
MOSPF: Multicast OSPF
MQI: Message Queuing Interface
MSAU: Multistation Access Unit
MTBF: Mean Time Between Failures
MSI: Medium Scale Integration
MTTR: Mean Time To Repair
MTU: Maximum Transmission Unit
N
NAK: Negative AcKnowledgment
NAP: Network Access Point
NAU: Network Addressable Unit
NAUN: Nearest Active Upstream Neighbor
NBMA: NonBroadcast MultiAccess
NBP: Name Binding Protocol
NBS: National Bureau of Standards
NCIA: Native Client Interface Architecture
NDIS: Network Driver Interface Specification
NET: Network Entity Title
NetBIOS: Network Basic Input/Output System
NFS: Network File System
NHRP: Next Hop Resolution Protocol
NIC:
NIS: Network Information System
N-ISDN: Narrowband ISDN
NIST: National Institute of Standards and Technology
NLM: NetWare Loadable Module
NLSP: NetWare Link Services Protocol
NMS: Network Management System
NMVT: Network Management Vector Transport
NN: Network Node
NNI: Network-to-Network Interface
NOC: Network Operations Center
NOS: Network Operating System
NREN: National Research and Education Network
NRM: Normal Response Mode
NRZ: NonReturn to Zero
NRZI: NonReturn to Zero Inverted
NSAP: Network Service Access Point
NSD: National Science Foundation
NSFNET: National Science Foundation NETwork
NT: New Technology
NTRI: NCP/Token Ring Interconnection
NVRAM: NonVolatile RAM
O
OAM: Operation, Administration, and Maintenance
OC: Optical Carrier
OCR: Optical Character Recognition
ODA: Open Document Architecture
ODI: Open Data-Link Interface
OFML: Open Forums Markup Language
OIM: OSI Internet Management
OIR: Online Insertion and Removal
OLAP: OnLine Analytical Processing
ONC: Open Network Computing
OO: Object Oriented
OOP: Object Oriented Programming
OS/2: Operating System 2
OSI: Open System Interconnection
OSPF: Open Shortest Path First
OUI: Organizational Unique Identifier
P
PAD: Packet Assembler/Disassembler
PAL: Programmable Array Logic
PAM: Pulse Amplitude Modulation
PAP: Password Authentication Protocol
PARC: Palo Alto Research Center
PBX: Private Branch eXchange
PC: Personal Computer
PCI:
PCM: Pulse Code Modulation
PCMCIA: Personal Computer Memory Card International Association
PCR: Peak Cell Rate
PDN: Public Data Network
PGA: Pin Grid Array
PGP: Pretty Good Privacy
PHY: PHYsical sublayer
PIM:
PING: Packet INternet Groper
PLC: packet line card
PLCC: Plastic Leaded Chip Carrier
PL/1: Programming Language 1
PLCP: Physical Layer Convergence Procedure
PLP: Packet Level Protocol
PLU: Primary LU
PMD: Physical Medium Dependent
PNNI: Private Network-Network Interface
POP:
POST: Power-On Self Test
POTS: Plain Old Telephone Service
PPP: Point-to-Point Protocol
PRI: Primary Rate Interface
PROM: Programmable ROM
PSDN: Packet-Switched Data Network
PSE: Packet Switch Exchange
PSN:
PSTN: Public Switched Telephone Network
PTT: Post, Telephone, and Telegraph
PU: Physical Unit
PUP: PARC Universal Protocol
PVC: Permanent Virtual Circuit
PVP: Permanent Virtual Path
Q
QA: Quality Assurance
QLLC: Qualified Logical Link Control
QOS: Quality Of Service
R
RACE: Research on Advanced Communications in Europe
RARE: Réseaux Associés pour la Recherche Européenne
RARP: Reverse Address Resolution Protocol
RBHC: Regional Bell Holding Company
RBOC: Regional Bell Operating Company
RF: Radio Frequency
RFC: Request For Comments
RFI: Radio Frequency Interference
RIF: Routing Information Field
RII: Routing Information Identifier
RIP: Routing Information Protocol
RISC: Reduced Instruction Set Computing
RJ: Registered Jack
RJE: Remote Job Entry
RLL: Run Length Limited
RMON: Remote MONitoring
ROSE: Remote Operations Service Element
RP:
RPC: Remote-Procedure Call
RPG: Report Program Generator
RPM: Reverse Path Multicasting
RSP: Route/Switch Processor
RSRB: Remote Source-Route Bridging
RSUP: Reliable SAP Update Protocol
RTMP: Routing Table Maintenance Protocol
RTP:
RTS: Ready To Send
RTT: Round-Trip Time
RU: Request/response Unit
S
SAC: Single-Attached Concentrator
SAP:
SAR: Segmentation And Reassembly
SAS: Single Attachment Station
SASI: Shugart Associates Standard Interface
SCR:
SCSI: Small Computer Systems Interface
SCTE: Serial Clock Transmit External
SDH: Synchronous Digital Hierarchy
SDK: System Developer's Kit
SDLC: Synchronous Data Link Control
SDU: Service Data Unit
SEAL: Simple and Efficient AAL
SF: Super Frame
SGMP: Simple Gateway Monitoring Protocol
SIMM: Single In-line Memory Module
SIP:
SIPP: Single Inline Pin-leaded Package
SLIP: Serial Line Internet Protocol
SMAC: Source MAC
SMB: Server Message Block
SMDS: Switched Multimegabit Data Service
SMI: Structure of Management Information
SMRP: Simple Multicast Routing Protocol
SMT: Station ManagemenT
SMTP: Simple Mail Transfer Protocol
SNA: Systems Network Architecture
SNAD: SNA Distribution Services
SNAP: Subnetwork Access Protocol
SNI:
SNMP: Simple Network Management Protocol
SNPA: SubNetwork Point of Attachment.
SOJ: Small Outline J-lead
SONET: Synchronous Optical NETwork
SPF: Shortest Path First
SPID: Service Profile IDentifier
SPP: Sequenced Packet Protocol
SPX: Sequenced Packet eXchange
SQE: Signal Quality Error
SQL: Structured Query Language
SRAM: Static RAM
SRB: Source-Route Bridging
SRT: SourceRoute Transparent bridging
SR/TLB: Source-Route TransLational Bridging
SRTB : Sequenced Routing Update Protocol
SS7: Signaling System number 7
SSAP: Source Service Access Point
SSCP: System Services Control Points
SSCS: Service Specific Convergence Sublayer
SSE: Silicon Switching Engine
SSI: Small Scale Integration
SSP:
STA: Spanning-Tree Algorithm
STM-1: Synchronous Transport Module level 1
STP:
STS-1: Synchronous Transport Signal level 1
STUN: Serial TUNnel
SVC: Switched Virtual Circuit
T
TAC:
TACACS: Terminal Access Controller Access Control System
TAPI: Telephony API
TAXI: Transparent Asynchronous Transmitter/Receiver Interface
TB: Terabyte(s)
TCP: Transmission Control Protocol
TCP/IP: Transmission Control Protocol/Internet Protocol
TCU: Trunk Coupling Unit
TDM: Time-Division Multiplexing
TDR: Time Domain Reflectometer
TERENA: Trans-European Research and Education Networking Association
TFTP: Trivial File Transfer Protocol
TH: Transmission Header
TIA: Telecommunications Industry Association
TIC: Token Ring interface coupler
TOP: Technical Office Protocol
TOS: Type Of Service
TSOP: Thin Standard Outline Package
TTL:
TUD: Trunk Up-Down
TWS: Two-Way Simultaneous
U
UART: Universal Asynchronous Receiver/Transmitter
UBR: Unspecified Bit Rate
UDP: User Datagram Protocol
UL: Underwriters Laboratories
ULP: Upper-Layer Protocol
UNI: User-Network Interface
UPC:
URL: Universal Resource Locator
USART: Universal Synchronous/Asynchronous Receiver/Transmitter
UTP: Unshielded Twisted-Pair
UPS: Uninterruptable Power Supply
URL: Uniform Resource Location
UUCP: UNIX-to-UNIX Copy Program
V
VB: Visual BASIC
VBR: Variable Bit Rate
VC: Virtual Circuit
VCC: Virtual Channel Connection
VCI: Virtual Channel Identifier
VCL: Virtual Channel Link
VCN: Virtual Circuit Number
VGA: Video Gate Array
VINES: Virtual Integrated Network Service
VIP: Virtual IP
VLAN: Virtual LAN
VLI: Virtual LAN Internetwork
VLSI: Very Large Scale Integration
VLSM: Variable-Length Subnet Mask
VNS: Virtual Networking Services
VPC: Virtual Path Connection
VPI: Virtual Path Identifier
VPL: Virtual Path Link
VRAM: Video RAM
VRML: Virtual Reality Modeling Language
VTAM: Virtual Telecommunications Access Method
VTP: Virtual Terminal Protocol
W
WAN: Wide-Area Network
WORM: Write Once Read Many
WWW: World Wide Web
WYSIWYG: What You See Is What You Get
X
XDMCP: X Display Manager Control Protocol
XNS: Xerox Network Systems
Z
ZIF: Zero Insertion Force
ZIP:
Corrections? Additions? Suggestions? Email me at [email protected]
I am also looking for urls that contain definitions of the above terms so I can link to them.