ACRONYMS and Abbreviations
Mostly technical abbreviations..

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3G           3rd Generation

4G           4th Generation (WiMax?)

802.11     WiFi wireless standard

802.16     WiMax Standard protocols

802.16d    WiMax Standard for fixed inst

802.16e    WiMax Standard for Mobile inst.

- A -

AAA      Authentication, Authorisation and Accounting

AAS     Advanced Antenna Systems

ABIOS   Advanced Basic Input Output System

ABR     Area Border Router

ABR     Auxilliary Bass Radiator

AC      Alternating Current

ACE     Access Control Entry

ACIA    Asynchronous Communications Interface Adapter

ACL     Access Control list

ACL     Asynchronous ConnectionLess

ACPI    Advanced Configuration and Power Interface

A/D     Analogue to Digital

ADC     Analogue to Digital Convertor

ADMD    Administrative Management Domain

ADSC    Asymetrical Digital Subscriber line ?

ADSI    Active Directory Services Interfaces

ADSL    Assymmetric Digital Subscriber Line

AES     Advanced Encryption Standard

AFC     Automatic Frequency Control

AFSDB   Andrew File System DataBase

AH      Authentication Header

AGC     Automatic Gain Control

AGP     Accelerated Graphics Port

a.k.a.  Also Known As

ALC     Automatic Level Control

AMPS    Advanced Mobile Phone Service

API     Application Programming Interface

APIPA   Automatic Private IP Addressing

APM    Advanced Power Management

ARC    Advanced RISC Computing

ARIN   American Registry for Internet Numbers

ARP    Address Resolution Protocol

ARQ    Automatic Repeat Request

AS     Authentication Server

ASCII  American Standard Code for Information Interchange

ASDL   Asynchronous Data Line ?

ASN    Access Services Network

ASP    Active Server Pages

ASP    Application Service Provider

ATA    Advanced Technology Attachment (=IDE)

ATM    Asynchronous Transfer Mode

ATM    Automatic Teller Machine

ATRN   Authenticated TuRN

ATS    Abstract Test Suite

ATX    Advanced Technology Extended

AVR    Automatic Voltage Regulator

AXFR   Full Zone Transfer (DNS Zones)

- B -

B2B     Business to Business

B2C     Business to Client

BACP    Bandwidth Allocation Control Protocol

BAP     Bandwidth Allocation Protocol

BCP     Best Common Practice

BDC     Backup Domain Controller

BHP     Brake Horse Power

BINL    Boot Information Negotiation Layer

BMP     BitMaP ( picture file format )

BNC     British Navy Connector

BOOTP   Bootstrap Protocol

BPS     Bits Per Second

BPSK    Binary Phase Shift Keying

BSI     British Standards Institute

BWA     Broadband Wireless Access | spectrum

- C -

CA     Certification Authority

CAD    Computer Aided Design

CAL    Client Access Licence

CAN    Controller Area Network / Car Area Network

CAO    Computer Account Objects

CAS    Column Address Strobe

CAST        (protocol)

CBCP   Call Back Control Protocol

CCD    Charge Coupled Device

CCK    Complementary Coded Keying

CCIR   International Radio Consultative Committee

CCITT  Comite Consultatif International Telegraphique et Telephonique

CCP    Compression Control Protocol

CCTV   Closed Circuit TV

CDMA   Code Division Multiple Access

CDO    Collaboration Data Objects

CDP    Cisco Discovery Protocol

CD-R   Compact Disk Recordable

CD-RW  Compact Disk Rewritable

CGI    Common Gateway Interface

CHAP   Challenge Handshake Authentication Protocol

CIDR   Classless Inter-Domain Router

CIFS   Common Internet File System

CIR    Committed Information Rate

CLEC   Competitive Local Exchange Carrier

CLIP   Classical IP over ATM

CLK    Clock signal

CLNP   ConnectionLess Network Protocol

CMC    Common Mail Call

CMS    Content Management System

CMOS   Complementary Metal Oxide Semiconductor

CNAME  Canonical Name Records

CNR    Communications and Network Riser (slot in PC)

COM    Component Object Model

CPE    Consumer/Customer Premise Equipment

CPU    Central Processing Unit

CRC    Cyclic Redundancy Check

CRL    Certification Revocation List

CRS    Certificate Request Syntax

CSA    Canadian Standards Association.

CSC    Customer Support Centre

CSIR   Consumer Standards Institute for Research

CSMA/CA Carrier Sense Multiple Access with Collision Avoidance

CSMA/CD Carrier Sense Multiple Access with Collision Detection = Ethernet

CSNW   Client Services For Netware

CSP    Cryptographic Service Provider

CSR    Client Server Subsystem

CSS    Cascading Style Sheet

CSV    Comma Separated Values

CTD    Charge Transfer Device

CTI    Computer-Telephony Integration

CTL    Certificate Trust Lists

CWG    C Working Group

- D -

D/A Digital to Analogue

DACL Discretionary Access Control List

DAC Digital to Analogue Converter

DAP Directory Access Protocol

dB Decibel

dBm dB with reference to 1mW

dBu dB with reference to 1uV

DC Direct Current

DCC Digital Content Creation

DCD Data Carrier Detect

DCE Data Communications Equipment

DCE Data Circuit terminating Equipment

DCE Distributed Computing Environment

DCF Distributed Control Function

DCOM Distributed Component Object Model

DCS Digital Cellular System

DDE Dynamic Data Exchange

DDF Data Decryption Field

DDNS Dynamic Domain Name System

DDR Double Data Rate (SDRAM)

DEC Digital Equipment Corporation

DES Data/Digital Encryption Standard

DES-CBC Data Encryption Standard - Cipher Chaining

DESX Data Encryption Standard X

DFS Distributed File System

DHCP Dynamic Host Configuration Protocol

DIB Directory Information Base

DIL Dual In Line

DIMM Dual Inline Memory Module (RAM)

DIN German Standards Institute (Deutshe Instituut von Norme)

DIT Directory Infromation Tree

DL Distribution List

DLC Data Link Control

DLL Dynamic Link Libraries

DMA Direct Memory Access

DN Distinguished Name

DNS Domain Name Service

DOD Dial On Demand

DPA Data Protection Act

DPA Differential Power Analysis

DPC Deferred Procedure Calls

DPDT Double Pole Double Throw (switch)

DPMS Display Power Management Signalling.

DPST Double Pole Single Throw

DRAM Dynamic Random Access memory

DRF Data Recovery Field

DS Directory Service

DSA Digital Structure Algorithm

DSA Directory System Agent

DSDM DDE Share Database Manager

DSL Digital Subscriber Line

DSLAM Digital Subscriber Line Access Multiplexer

DSMN Directory Service Manager for Netware

DSN Data Source Name

DSP Digital Signal Processor

DSR Data Set Ready

DSS Digital Signed Standard

DSSS Direct Sequence Spread Spectrum

DTD Document Type Definition.

DTE Data Terminal Equipment

DTL Diode Transistor Logic

DTMF Dual Tone Multi Frequency

DUN Dial Up Networking

DVD Digital Video Disk / Versatile Disk

DXA Directory Synchronisation Agent

- E -

EAP Extensible Authentication Protocol

EAROM Electrically Alterable Read Only Memory

ECC Error Correction Code

ECL Emitter Coupled Logic

ECSA Engineering Council of South Africa

EDCA Enhanced Distributed Control Access

EDI Electronic Data Interchange

EDO Extended Data Out (RAM)

EDRP Encrypted Data Recovery Policy

ED-VO Enhanced Version - Data Only (Data Optimised)

EFD Exchange Forms Designer

EFP Exchange Forms Project

EFS Encrypting file system

EGP Exterior Gateway Protocol

EHT Extremely High Tension (voltage)

EISA Extended Industry Standard Architecture

EMF ElectroMotive Force (Voltage)

EPROM Erasable Programmable ROM

EPS Encapsulated Postscript

ERD Emergency Recovery Disk

EROM Erasable ROM

ERP Effective Radiated Power

ERP Enterprise Resource Planning

ESE Extensible Storage Engine

ESMR Enhanced Specialised Mobile Radio

ESP Encapsulating Security Payload

ETRN Extended TuRN (~=SMTP) protocol

ETSI European Telecommunications Standards Institute

- F -

FCB File Control Block

FC Fibre Channel (Hard drives)

FCC Federal Communications Commission

FDD Frequency Division Duplexing

FDX Full Duplex

FEC Forward Error Correction

FEK File Encryption Key

FET Field Effect Transistor

FHSS Frequency Hopping Spread Spectrum

FM Frequency Modulation

FPNW File and Print Services for Netware

FQDN Fully Qualified Domain Name

FROG Fully Reliant On God

FRS File Replication Service

FSD Full Scale Deflection

FSK Frequency Shift Keying

FSMO Flexible Single Master Operations

FTP File Transfer Protocol

FWA Fixed Wireless Access

- G -

GAL Global Address List

GDI Graphics Device Interface

GIF Graphics Interchange Format

GINA Graphical Identification and Authentication

GPF General Protection Fault

GPO Group Policy Object

GPRS General Packet Radio Services

GPS Global Positioning System

GRE Generic Routing Encapsulation

GSM Global System for Mobile communication

GSNW Gateway Services For Netware

GUID Globally Unique Identifier

GWART GateWay Address Routing Table

- H -

HAL Hardware Abstraction Layer

HARQ Hybrid ARQ (Auto Repeat Request)

HCL Hardware Compatibility List

HDCD High Definition Compatible Digital

HDLC High Level Data Link Control

HDMI High Definition Multimedia Interface

HINFO Host INFOrmation record

HIPERMAN High Performance Metropolitan Area Network

HMAC Hash Message Authentication Code

HMP Host Monitoring Protocol

HPFS High Performance File System

HTML Hypertext Markup Language

HTTP Hypertext Transfer Protocol


HUMAN High Speed Unlicenced Metropolitan Area Network

Hz Hertz (Cycles per second)

- I -

IAB Internet Activities Board

IANA Internet Assigned Numbers Authority

IAS Internet Authentication Service

IC Integrated Circuit

ICM Intergrated Colour Management

ICMP Internet Control Message Protocol

ICS Internet Connection Sharing

ICV Integrity Check Value

IDC Internet Database Connector

iDEN Integrated Digital Enhanced Network

IDP Information Device Profile

IEEE Institute of Electrical and Electronic Engineers

IETF Internet engineering Task Force

IF Intermediate Frequency

IGMP Internet Group Management Protocol

IIL Integrated Injection Logic

IIS Internet Information Server

IKE ISAKMP/Oakley Key Management System

ILEC Incumbent Local Exchange Carrier

ILS Internet Locator Server

IMAP4 Internet Message Access Protocol 4

IMS Internet Mail Service

INS Internet News Service

IOCTL Input/Output Control for devices

IP Internet Protocol

IPC Interprocess Control/ Communication

IPCP Internet Protocol Control Protocol

IPM Interpersonal Messaging

IPSec Internet Protocol Security

IPX Internetwork Packet Exchange

IRC Internet Relay Chat

IrDA Internal Infrared Data Association

IS Information Store

IS Interim Standard

ISAKMP Internet Security Association and Key Management Protocol

ISAM Indexed Sequential Access Method

ISAPI Internet Server Application Programming Interface

ISDN Integrated Services Digital Network

ISM Internet Service Manager

ISM Industrial, Scientific and Medical

ISO International Standards Organisation

ISP Internet Service Provider

ISV Independent Software Vendors

ITU International Telegraph/Telecommunications Union

IXFR Incremental Zone Transfer (DNS Zones)

- J -

JBIG Joint Bi-Level Image Experts Group

JDK Java Development Kit

JEDEC Joint Electronic Device Engineering Council

JFET Junction Field Effect Transistor

JPEG Joint Picture Experts Group

JVM Java Virtual Machine

- K -

KCC Knowledge Consistency Checker

KD Kernel Debugger

KDC Key Distribution Centres

KKDC Kerberos Key Distribution Centre

KM Key Management

KMS Knowledge Management System

KYFC Keep Your Fingers Crossed!

- L -

L2TP Layer 2 Tunneling Protocol

LAN Local Area Network

LCP Link Control Protocol

LDAP Lightweight Directory Access Protocol

LED Light Emitting Diode

LFN Long File Name

LIPS Logical Inferences Per Second

LKG Last Known Good

LMDS Local Multipoint Distribution Service

LPC Local Proceedure Call

LPD Line Printer Daemon

LPR Line Printer Remote

LR Location Register

LS Least Squares

LSA Local Security Authority

LSI Large Scale Integration

LU Logical Unit

- M -

MAC Media Access Control

MADMAN Mail And Directory MANagement

MAN Metropolitan Area Network

MAPI Messaging Application Programming Interface

MBR Multiple Bit Rate

MBS Multicast Broadcast Service

MCI Media Control Interface

MCIS Memebership System Authentication Option

MCIS Microsoft Commercial Internet Server

MDBEF Microsoft Database Exchange Format

MHS Message Handling System

MHz Mega Hertz

MIB Management Information Base

MIC Microsoft Internet Chat

MIDI Musical Instrument Digital Interface

MIME Multipurpose Internet Mail Extensions

MIMO Multiple Input - Multiple Output

MMC Microsoft Management Console

MMDS Multi Channel Multipoint Distribution Service

MMS Multimedia Messaging Service

MOS Metal Oxide Semiconductor

MOST Media Oriented Systems Transport

MP Multilink Point to Point Protocol (PPP)

MPDU MAC Protocol Data Unit

MPEG Moving Picture Experts Group

MPPE Microsoft Point-to-Point Encryption

MPR Multi Protocol Routing

MPU Microprocessor Unit

MPX MultiPleX

MRTG Multi-Router Traffic Grapher

MS Microsoft

MS Mobile Station

MS-CHAP Microsoft CHAP

MSV1-0 (Type of authentication package)

MTA Message Transfer Agent

MTS Microsoft Transaction Server

MX Mail Exchanger

- N -

NAB National Association of Broadcasters

NAMPS Narrowband Advanced Mobile Phone System

NAS Network Access Server

NAT Network Address Translation

NBFP NetBIOS Frame Protocol

NCP Network Control Protocol

NCQ Native Command Queuing

NDA Non Destructive Arbitration

NDIS Network Device Interface Specification

NDR Non Delivery Report

NDS Netware Directory Services

NetBIOS Network basic Input Output System

NetBT NetBIOS over TCP (I think)

NIC Network Interface Card

NiCad Nickel- Cadmium

NICAM   Near Instantaneous Companded Audio Multiplex (TV stereo audio)

NIS Network Information Service

NJE Network Job Entry

NLM Netware Loadable Module

NLOS Non Line-Of-Sight

NMS Network Management Station

NMOS Negative Channel Metal Oxide Semiconductor

NNTP Network News Transfer Protocol

NOS Network Operating System

nrtPS QoS??

NS Name DNS record

NTDS NT Directory Service

NTFS NT File System

NTLM Windows NT Challenge/Response Authentication

NWG Network Working Group

- O -

O/R ADDRESS Originator/Recipient Address

OAB Offline Address Book

OCR Optical Character Recognition

ODBC Open Database Connectivity

ODMR On Demand Mail Relay

OEM Original Equipment Manufacturer

OFDM Orthoganal Frequency Division Multiplexing

OID Object IDentifier

OLE Object Linking and Embedding

OpenGL Open Graphics Language

OS Operating System

OS Open Source

OSF Open Software Foundation

OSPF Open Shortest Path First

OSI Open Sysytems Interconnection

OST Offline Storage Folder

OTAP Over The Air Programming

OU Organisational Unit

OUI Organisationally Unique Identifier

- P -

PAB Personal Address Book

PABX Private Automatic Branch Exchange

PAC Privelege Attribute Certificates

PAD Packet Assembler/Dissassembler

PAL Phase Alternation, Line

PAM Pulse Amplitude Modulation

PAP Password Authentication Protocol

PATA Parallel ATA (Hard drives)

PCB Printed Circuit Board

PCF Point Control Function

PCI Peripheral Component Interconnect

PCIA Personal Communications Industry Association

PCM Pulse Code Modulation

PCMCIA Personal Computer Memory Card International Association

PCS Personal Communications Services

PDA Personal Digital Assistant

PDC Primary Domain Controller

PDU Protocol Data Unit

PHS Personal Handyphone System

PHY Physical Data Layer

PICS Protocol Implementation Conformance Statement

PIF Programme Information File

PIM Personal Information Manager

PIN Personal Identification Number

PKI Public Key Infrastructure

PKCS Public Key Cryptography Server

PKCS Public Key Cryptography Standards

PLA Programmable Logic Array

PLL Phase Lock Loop

PLM Product Lifecycle Management

PMP ?? to do with wireless access

PMOS Positive Channel Metal Oxide Semiconductor

PNG Portable Network Graphics

PoP Point of Presence

POP3 Post Office Protocol

POSIX Portable Operating System Interface

POTS Plain Old Telephone Service

PPM Peak Programme Meter

PPP Point to Point Protocol

PPTP Point to Point Tunneling Protocol

PRMD Private Management Domain

PRF Pulse Repitition Frequency

PROFS Professional Office System

PROM Programmable ROM

PSP Play Station Portable.

PSS Packet Switch Stream

PST Personal Storage Folder

PSTN Public Switched Telephone Network

PSU Power Supply Unit

PTFE PolyTetraFlouroEthelene

PU Physical Unit

PUJT Progammable UniJunction Transistor

PVR Personal Video Recorder.

PWS Peer Web Services

PXE Pre-boot Execution Environment

- Q -

x-QAM x-level Quadrature Amplitude Modulation

QoS Quality of Service

QED Quite Easily Done

QPSK Quadrature Phase Shift Keying

- R -

R&D Research and Development

RAID Redundant Array of Inexpensive Disks

RADIUS Remote Authentication Dial In User Service

RADSL Rate Adaptive Digital Subscriber Line

RAM Random Access Memory

RAP Remote Access Policy

RAS Remote Access Service

RC4 Ron.s Code 4

RDN Relative Distinguished Names

RDP Reliable Datagram Protocol

RDP Remote Desktop Protocol

RDR Windows NT Redirector

RDRAM Rambus Dynamic Random Access Memory.

REXEC Remote Execution (UNIX)

RF Radio Frequency

RFC Request For Comments

rfc Radio Frequency Choke

RGB Red Green Blue (Video signals)

RID Relative IDentifier

RIMM Rambus Inline Memory Module

RIP Routing Information Protocol

RIS Remote Installation Services

RISC Reduced Instruction Set Computing

RMS Root Mean Square

ROM Read Only Memory

RPC Remote Proceedure Call

RRAS Routing and Remote Access Service

RRD Round Robin Database

RSA Rivest-Shamir-Adleman (algorithm)

RSH Remote Shell (UNIX)

RSL Registry Size Limit

RSM Removable Storage Management

RSVP Resource Reservation Setup Protocol

RTF Rich Text Format

rtPS QoS ??

RTL Resistor Transistor Logic

RVD MIT Remote Virtual Disk

R/W Read/ Write

RX Receiver

- S -

SA System Attendant

SACL System Access Control List

SAM Security Accounts Manager

SAP Service Advertising Protocol / Service Access Point

SASL Simple Authentication and Security Layer

SCO Synchronous Connection Oriented

SCR Silicone Controlled Rectifier

SCSI Small Computer System Interface

SD Secure Digital (digital camera memory card)

SDP Software Distribution Point

SDRAM Synchronous Dynamic Random Access Memory

SDU Service Data Units

SFM Services For MacIntosh

SGC Server Gated Cryptography

SGML Standard Generalised Markup Language

SHF Super High Frequency

SI International System of Units

SID Security ID

SIM Subscriber Identity Module

SIMM Single Inline Memory Module.

SIS Single Instance Store

SLIP Serial Line Internet Protocol

SMB Server Message Block

SME Small to Medium Enterprize

SMP Symmetric MultiProcessing

SMR Specialised Mobile Radio

SMS Short Messaging Service

SMS Systems Management Server

SMTP Simple Mail Transport Protocol

S/N Signal to Noise ratio

SNA System Network Architecture

SNADS Systems Network Architecture Distribution Services

SNAP SubNetwork Access Protocol

SNMP Simple Network Management Protocol

SOA Start Of Authority

SOAP Simple Object Access Protocol

SOHO Small Office Home Office

SONET Synchronous Optical Network Interface

SPAP Shiva Password Authentication Protocol

SPL Sound Pressure Level

SPDT Single Pole Double Throw (switch)

SPST Single Pole Single Throw (switch)

SPX Sequenced Packet Exchange

SQL Structured Query Language

SS7 Signalling System 7

SSI Server Side Includes

SSI Small Scale Integration

SSL Secure Sockets Layer

SSPI Security Support Provider Interface

SWG Standard Wire Gauge

SWR Standing Wave ratio

- T -

T&L Transform, Clipping and Lighting (graphics)

TAPI Telephone Application Programming Interface

TCO Total Cost of Ownership

TCP Transmission Control Protocol

TDD Time Division Duplexing

TDI Transport Driver Interface

TDM Time Division Multiplex

TDMA Time Division Multiple Access

TelCo Telephone Company

TFTP Trivial File Transfer Protocol

TGS Ticket Granting Service

TGT Ticket Granting Ticket

THD Total Harmonic Distortion

TID Transient Intermodulation Distortion

TIF Tagged Image File

TKIP Temporal Key Integrity Protocol

TLS Transport Layer Security

TP Transport Protocol

TSP TAPI Service Providers

TTCAN Time Triggered Controller Area Network

TTL Transistor Transistor Logic

TTL Time To Live

TTY Teletype Unit

TVI TV Interface

- U -

UAM User Authentication Module

UART Universal Asynchronous Receiver Transmitter

UDF Uniqueness Database File

UDP User Datagram Protocol


UHF Ultra High Frequency

UJT Unijunction Transistor

ULA Uncommitted Logic Array

UMTS Universal Mobile Telecommunication System

UNC Universal Naming Convention

U-NII Unlicensed National Information Infrastructure

UPN User Principal Name

URI Universal Resource Identifier

URL Uniform Resource Locator

USAT Ultra Small Aperture Terminal

USB Universal Serial Bus (Human Interface )

USN Update Sequence Number

USN Unique Sequence Number

UTF-8 Unicode Translation Format 8


UUENCODE Unix to Unix Encode

UUID Universally Unique Identifier

- V -

VADS Value Added Data Service

VAN Value Added Network

VANS Value Added Network Service

VCA Voltage Controlled Amplifier

VCO Voltage Controlled Oscillator

VCT Voltage to Current Transactor

VDD Virtual Device Driver

VDM Virtual DOS Machine

VDU Visual Display Unit

VHF Very High Frequency (88-216MHz)

VLAN Virtual Local Area Network

VLF Very Low Frequency

VLOG Video Blog web site.

VM Virtual Machine

VoIP Voice over Internet Protocol

VoWLAN Voice over Wireless LAN

VPN Virtual Private Network

VRC Vertical Redundancy Check

VSAT Very Small Aperture Terminal

VSB Vestigal SideBand

VTP Virtual Terminal Protocol

- W -

W3C World Wide Consortium

WAIS Wide Area Information Server

WAN Wide Area Network

WAP Wireless Application Protocol

WARC World Administrative Radio Conference

WCDMA Wideband Code Division Multiple Access

WebDAV Web Distributed Authoring and Versioning

WEP Wired Equivalent Privacy

W/F Wow and Flutter

WF Wait Flag

WHQL Windows Hardware Quality Labs

WiFi Wireless Fidelity (Network - see WLAN)

WiMAX Worldwide Interoperability for Microwave Access.

WINS Windows Internet Name Service

WISP Wireless Internet Service Provider

WKS Well Known Services (DNS)

WLAN Wireless Local Area Network

WLL Wireless Local Loop

WMAN Wireless Metropolitan Area Network

WME Wi-Fi Multimedia Extensions

WMI Windows Management Instrumentation

WOSA Windows Open Services Architecture

WOW Win16 On Win32

WPA Wi-Fi Protected Access

WPDA Wireless Partnership for Donor Awareness

WRAN Wireless Regional Area Network

WSH Windows Script Host (IIS)

WSM Wi-Fi Scheduled Multimedia

WWJD What Would Jesus Do

WWW World Wide Web

- X -

XAPIA X.400 Applications Programming Interface Association

xDSL Digital Subscriber Line (2 way)

XML eXtensible Markup Language


x-QAM x-level Quadrature Amplitude Modulation

Xtal Crystal

- Y -

Y2K Year 2000 (Year 2 kilo)

- Z -

ZF Zero Forcing

ZIF Zero Insertion Force (socket)

ZIL Zork Implementation Language

ZZZZ I Am Asleep

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