Table of Contents


Appendix A

Acronyms and Abbreviations

AAL
ATM Adaption Layer
AAV
Alternative Access Vendor
ABR
Available Bit Rate
ACD
Automatic Call Distributor
ADM
Add/Drop Multiplexer
ADML
Asymmetric Digital Microcell Link
ADPCM
Adaptive Differential Pulse Code Modulation
ADSL
Asymmetric Digital Subscriber Line
AIN
Advanced Intelligent Network
AM
Amplitude Modulation
AMPS
Advanced Mobile Phone System
ANSI
American National Standards Institute
AP
Adjunct Processor
APPN
Advanced Peer-to-Peer Networking
ARCnet
Attached Resource Computer Network
ARPANET
Advanced Research Projects Agency Network
ARS
Automatic Route Selection
ASCII
American Standard Code for Information Interchange
ATM
Asynchronous Transfer Mode
B-ISDN
Broadband ISDN
BBS
Bulletin Board System
Bc
Committed Burst Size
BCS
Binary Synchronous Communications
Be
Excess Burst Size
BECN
Backward Explicit Congestion Notification
Bellcore
Bell Communications Research
BFT
Binary File Transfer
BOC
Bell Operating Company
bps
Bits Per Second
BRI
Basic Rate Interface
BSS
Broadband Switching System
C/R
Command/Response
CAI
Common Air Interface
CAP
Competitive Access Provider
CAPI
Common ISDN API
CATV
Community Antenna TV
CBDS
Connectionless Broadband Data Service
CBR
Constant Bit Rate
CCIR
Consultative Committee on International Radiocommunications
CCITT
Consultative Committee on International Telegraphy and Telephony
CDDI
Cable Distributed Data Interface
CDMA
Code Division Multiple Access
CDPD
Circuit Digital Packet Data
CDR
Call Detail Recording
CDV
Cell Delay Variability
Centrex
Central Exchange
CER
Cell Error Ratio
CERT
Computer Emergency Response Team
CIF
Common Intermediate Format
CIR
Committed Information Rate
CLNP
Connectionless Network Protocol
CLP
Cell Loss Priority
CLR
Cell Loss Ratio
CMR
Cell Misinsertion Rate
CPE
Customer Premise Equipment
CRC
Cyclic Redundancy Check
CS
Convergence Sublayer
CSMA
Carrier Sense Multiple Access
CSMA/CA
Carrier Sense Multiple Access/Collission Avoid
CSMA/CD
Carrier Sense Multiple Access/Collission Detect
CSTA
Computer Supported Telephony Applications
CSU
Channel Service Unit
CT
Cordless Telephony
CTD
Cell Transfer Delay
CTI
Computer Telephony Integration
DACS
Digital Access Cross-Connect System
DAMA
Demand-Assigned Multiple Access
DARPANET
Defense Advanced Research Projects Agency Network
DBS
Direct Broadcast Satellite
DCCS
Digital Access Cross-Connect System
DCE
Data Communications Equipment
DCT
Discrete Cosine Transform
DDS
Digital Dataphone Service
DE
Discard Eligibility
DECT
Digital European Cordless Telecommunications
DES
Data Encryption Standard
DID
Direct Inward Dialing
DISA
Direct Inward System Access
DLC
Digital Loop Carrier
DLCI
Data Line Connection Identifier
DPCM
Differential Pulse Code Modulation
DPF
Data Private Facility
DQDB
Distributed Queue Dual Bus
DSA
Digital Switched Access
DSI
Digital Speech Interpolation
DSMA
Digital Sense Multiple Access
DSS
Direct Satellite System
DSU
Digital Service Unit
DTE
Data Terminal Equipment
DXI
Data Exchange Interface
EA
Address Field Extension
EBCDIC
Extended Binary Coded Decimal Interchange Code
ECC
Electronic Common Control
ECMA
European Computer Manufacturers Association
ECN
Explicit Congestion Notification
ECSA
Exchange Carriers Standards Association
ECTF
Enterprise Computer Telephony Forum
EIA
Electronic Industries Association
EKTS
Electronic Key Telephone System
EMI
Electromagnetic Interference
EPABX
Electronic Private Automatic Branch Exchange
ERMES
European Radio Message System
ESF
Extended Superframe
ESMR
Enhanced Switched Mobile Radio
ETSI
European Telecommunications Standards Institute
FCC
Federal Communications Commission
FCS
Frame Check Sequence
FDD
Frequency Division Duplex
FDDI
Fiber Distributed Data Interface
FDM
Frequency Division Multiplexer
FDMA
Frequency Division Multiple Access
FDX
Full Duplex
FEC
Forward Error Correction
FECN
Forward Explicit Congestion Notification
FEP
Front-End Processor
FEX
Foreign Exchange
FM
Frequency Modulation
FOD
Fax-on-Demand
fps
Frames per Second
FRAD
Frame Relay Assembler/Disassembler
FRND
Frame Relay Network Device
FTP
File Transfer Protocol
FTTC
Fiber-to-the-Curb
FTTN
Fiber-to-the-Neighborhood
FX
Foreign Exchange
GEO
Geosynchronous Earth Orbiting
GFC
Generic Flow Control
GII
Global Information Infrastructure
GSM
Global System for Mobile Communications
HAN
Home Area Network
HDLC
High-Level Data Link Control
HDSL
High Bit Rate Digital Subscriber Line
HDTV
High-Definition TV
HDX
Half Duplex
HEC
Header Error Control
HPPI
High Performance Parallel Interface
HTML
Hypertext Markup Language
HTTP
Hypertext Transport Protocol
Hz
Hertz
IAB
Internet Architecture Board
IANA
Internet Assigned Numbers Authority
ICF
Interexchange Compatibility Forum
ICN
Implicit Congestion Notification
IEC
Interexchange Carrier
IEC
International Electrotechnical Commission
IEEE
Institute of Electrical and Electronics Engineers
IETF
Internet Engineering Task Force
IN
Intelligent Network
IP
Intelligent Peripheral
IP
Internet Protocol
IPX
Internet Packet Exchange
IRC
International Record Carrier
IRTF
Internet Research Task Force
ISDN
Integrated Services Digital Network
ISO
International Standards Organization
ISOC
Internet Society
ISP
Internet Service Provider
ISSI
Inter-Switching System Interface
ITU
International Telecommunications Union
IVR
Interactive Voice Response
IXC
Interexchange Carrier
JDC
Japanese Digital Cellular
JPEG
Joint Photographic Experts Group
JTACS
Japanese Total Access Communications Systems
KTS
Key Telephone System
LAN
Local Area Network
LAPB
Link Access Protocol-B
LAPD
Link Access Protocol-D
LATA
Local Access and Transport Area
LCR
Least Cost Routing
LEC
Local Exchange Carrier
LED
Light Emitting Diode
LEO
Low-Earth Orbiting
LMDS
Local Multipoint Distribution Services
LMI
Local Management Interface
LOH
Line Overhead
LRC
Longitudinal Redundancy Check
MAC
Media Access Control
MAE
MERIT Access Exchange
MAN
Metropolitan Area Network
MAU
Media Access Unit
MCTD
Mean Cell Transfer Delay
MCU
Multi-Point Control Unit
MDP
Motorola Data Protocol
MEO
Middle Earth Orbiting
MFJ
Modified Final Judgement
MHS
Message Handling Service
MILNET
Military Network
MIME
Multipurpose Internet Mail Extension
MOD
Music-on-Demand
MPEG
Motion Picture Experts Group
MTS
Message Telecommunications Service
MTSO
Mobile Traffic Switching Office
MTSX
Mobile Traffic Switching Exchange
MVIP
Multi-Vendor Integration Protocol
N-AMPS
Narrowband-AMPS
NAP
Network Access Point
NIC
Network Information Center (NIC) Internet Registery
NIC
Network Interface Card
NII
National Information Infrastructure
NNI
Network-to-Network Interface
NOS
Network Operating System
NREN
National Research and Education Network
NSFNET
National Science Foundation Network
NT
Network Termination
NTSC
National Television Standards Committee
NTU
Network Termination Unit
OC
Optical Carrier
OCC
Other Common Carrier
OPX
Off Premise Extension
OSI
Open Systems Integration
OSPF
Open Shortest Path First
PABX
Private Automatic Branch Exchange
PAD
Packet Assembler/Disassembler
PAL
Phase Alternate Line
PAM
Pulse Amplitude Modulation
PBX
Private Branch Exchange
PCM
Pulse Code Modulation
PCMCIA
Personal Computer Memory Card Industry Association
PCN
Personal Communication Network
PCS
Personal Communication Services
PDA
Personal Digital Assistant
PDU
Protocol Data Unit
PHY
Physical Layer
PM
Phase Modulation
PM
Physical Medium
POCSAG
Post Office Code Standardization Advisory Group
POH
Path Overhead
POP
Point of Presence
PPO
Private Paging Operator
PPP
Point-to-Point Protocol
PRI
Primary Rate Interface
PSC
Public Service Commission
PSK
Phase Shift Keying
PSTN
Public Switched Telephone Network
PTI
Payload Type Identifier
PUC
Public Utility Commission
PVC
Permanent Virtual Circuit
QCIF
Quarter-CIF
QoS
Quality of Service
QPSX
Queued Packet Synchronous Exchange
RACE
Research for Advanced Communications in Europe
RBOC
Regional Bell Operating Company
RCC
Radio Common Carrier
RD-LAP
Radio Data-Link Access Protocol
RFI
Radio Frequency Interference
RHC
Regional Holding Company
RIP
Routing Information Protocol
S-HTTP
Secure HyperText Transport Protocol
SAA
Systems Application Architecture
SAR
Segmentation and Reassembly
SAT
Subscriber Access Terminal
SATAN
Security Administrator Tool for Analyzing Networks
SCE
Service Creation Environment
SCP
Signal Control Point
SCSA
Signal Computing System Architecture
SDH
Synchronous Digital Hierarchy
SDLC
Synchronous Data Link Control
SDN
Software-Defined Network
SDSL
Symmetrical Digital Subscriber Line
SECAM
Systeme Electronique Couleur Aven Memoire
SECBR
Severely Errored Cell Block Ratio
Sesame
Secure European Systems for Applications in a Multivendor Environment
SIG
SMDS Interest Group
SIM
Subscriber Identification Module
SIP
SMDS Interface Protocol
SLIP
Serial Line Interface Protocol
SMDR
Station Message Detail Recording
SMDS
Switched Multimegabit Data Service
SMR
Switched Mobile Radio
SMS
Service Management System
SMTP
Simple Mail Transport Protocol
SNA
Systems Network Architecture
SNI
Subscriber Network Interface
SOH
Section Overhead
SONET
Synchronous Optical Network
SPE
Synchronous Payload Envelope
SPX
Sequenced Packet Exchange
SRP
Source Routing Protocol
SRT
Source Routing Transparent
SS7
Signaling System 7
SSL
Secure Socket Layer
SSP
Service Switching Point
STDM
Statistical Time Division Multiplexer
STP
Shielded Twisted Pair
STP
Signal Transfer Point
STP
Spanning Tree Protocol
STS
Synchronous Transport Signal
SVC
Switched Virtual Circuit
SxS
Step-by-Step
T
Measurement Interval
T-Carrier
Trunk Carrier
TA
Terminal Adapter
TACS
Total Access Communications Systems
TAPI
Telephony Application Programming Interface
TASI
Time Assigned Speech Interpolation
Tc
Committed Rate Measurement Interval
TC
Transmission Convergence
TCP
Transmission Control Protocol
TDD
Time Division Duplex
TDM
Time Division Multiplexer
TDMA
Time Division Multiple Access
TE
Terminal Equipment
TMR
Trunk Mobile Radio
TOH
Transport Overhead
TSAPI
Telephony Services Application Programming Interface
UNI
Universal Network Interface
UNI
User Network Interface
UNICODE
Universal Code
URL
Universal Service Locator
USDC
United States Digital Cellular
UTP
Unshielded Twisted Pair
VBR
Variable Bit Rate
VC
Virtual Channel
VCI
Virtual Channel Identifier
VDSL
Very High Data Rate Subscriber Line
VLAN
Virtual
VOD
Video-on-Demand
VP
Virtual Path
VPI
Virtual Path Identifier
VPN
Virtual Private Network
VRC
Vertical Redundancy Check
VSAT
Very Small Aperture Terminal
VT
Virtual Tributary
WAIS
Wide Area Information Service
WAN
Wide Area Network
WARC
World Administrative Radio Conferences
WATS
Wide Area Telecommunication Service
WDM
Wavelength Division Multiplexer
WLL
Wireless Local Loop
WOTS
Wireless Office Telecommunication Systems
WWW
World Wide Web
XBar
Crossbar
XNS
Xerox Networking System


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