Abbreviations and Acronyms
µsec
1xRTT
2G
3DES
3DTV
3G
3GPP
3GPP2
4C
4G
4WM
5C
8VSB
A/D
A/D/A
A/O
A/V
AAA
AAAA
AAC
AACS
AAS
ABC
ABSBH
AC
AC
AC_BE
AC_BK
AC_VI
AC_VO
AC3
AC-3
ACAP
ACD
ACK
ACL
ACL
ACM
ACORN
ACS
AD
ADI
ADI
Ad-ID
ADM
ADM
ADPCM
ADS
ADSL
ADSL2
ADSL2+
AES
AF
Microsecond
Single Carrier Radio Transmission Technology
nd
2 Generation
Triple Data Encryption Standard
Three Dimensional Television
rd
3 Generation
Third Generation Partnership Project
Third Generation Partnership Project 2
Consortium of Intel, IBM, Matsushita, and Toshiba
Fourth Generation
Four Wave Mixing
Consortium of Intel, Sony, Matsushita, Toshiba, and Hitachi
8-level Vestigial Sideband
Analog to Digital
Analog to Digital to Analog
Additional Outlet
Audio/Video
Authentication, Authorization, and Accounting
American Association of Advertising Agencies
Advanced Audio Codec/Coding
Advanced Access Content System
Adaptive Antenna System
American Broadcasting Corporation
Average Busy Season Busy Hour
Access Category
Alternating Current
Access Category – Best Effort
Access Category – BacKground
Access Category – VIdeo
Access Category – VOice
Adaptive Transform Coder 3
Audio Coding Revision 3
Advanced Common Application Platform
Automated/Automatic Call Distribution
Acknowledge(ment)
Access Control List
Applications Connection-Less
Adaptive Coding and Modulation
A Classification of Residential Neighborhoods
Ad Content Service
Activity Detection
Asset Distribution Interface
Asynchronous Digital Interface
Advertising-Digital Interface
Ad Management Service
Add/Drop Multiplexing
Adaptive Differential Pulse Code Modulation
Ad Decision Service
Asymmetric Digital Subscriber Line
Asymmetric Digital Subscriber Line and Annex J (Supports higher bandwidth)
Asymmetric Digital Subscriber Line and Annex L (Supports higher bandwidth)
Advanced Encryption Standard
Abstract Framework
AF
AF
AGC
Agg-PE
AGI
AGW
AI
AIFS
AIN
AIS
AIT
AKA
ALG
AM
AM
AMA
AMI
AMOL
A-MPDU
AMPS
AMS
ANA
ANC
ANF
ANP
ANSI
AOD
AOL
AoR
AP
AP
APD
API
APM
APON
APON
Apps
APS
APSK
A-RACF
ARCNET
ARF
ARIB
ARIN
ARP
ARPU
ARQ
AS
AS
ASAP
ASCII
ASD
ASF
ASF
ASI
AsiaPac
Application Function
Assured Forwarding
Automatic Gain Control
Aggregation Provider Edge
Attachment Group Identifier
Access Gateway
Artificial Intelligence
Arbitration InterFrame Space
Advanced Intelligent Network
Alarm Indication Signal
Application Information Table
Authentication and Key Agreement
Application Layer Gateway
Amplitude Modulation
Application Manager
Automatic Message Accounting
Alternate Mark Inversion
Automated Measurement Of Lineup
Aggregated MAC (Media Access Control) Protocol Data Unit
Advanced Mobile Phone Service
Asset Management System
Association of National Advertisers
Announcement Controller
Aggregate Noise Factor
Announcement Player
American National Standards Institute
Advertising On Demand
America On-Line
Address of Record
Access Point
Automatic Power
Avalanche Photo Diode
Application Programming Interface
Alternate Provisioning Mode
ATM Passive Optical Network
ATM-based Passive Optical Network
Applications
Analog Protection System
Amplitude Phase Shift Keying
Access – Resource and Admission Control Function
Attached Resource Computer Network
Advertising Research Foundation
Association of Radio Industries and Businesses
American Registry of Internet Numbers
Address Resolution Protocol
Average Revenue per Unit (or User)
Automatic Repeat Request
Application Server
Autonomous System
As Soon As Possible
American Standard Code for Information Interchange
Authorized Service Domain
Advanced Streaming Format
Advanced Systems Format
Asynchronous Serial Interface
Asia Pacific
ASIC
ASM
ASM
ASN
ASP
ASP
ASR
ASTB
ASTD
ASX
AT
ATA
ATDMA
A-TDMA
ATDMA
ATE
ATIS
ATM
AToM
ATP
ATSC
ATTN
AUP
AV
AV
AVC
AVI
AVI
AWGN
AWS
AWT
B2BUA
B8ZS
BA
BAF
BB
BB
BBTV
BC
BC/NC
BC-BS
BCID
BDF
BDR
BE
BER
BERT
BFS
BGCF
BGF
BGP
BGP-VPLS
BGW
BICSI
BIF
BIG
Application-Specific Integrated Circuit
Any Source Multicast
Asset Management System
Access Service Network
Average Selling Price
Application Service Provider
Access Switch Router
Advanced Set-Top Box
American Society for Training and Development
Advanced Stream Redirector
Advanced Technology
Advanced Technology Attachment
Advanced Time Division Multiple Access
Advanced Time Division Multiple Access
Asynchronous Time Division Multiple Access
Automated Test Environment
Alliance for Telecommunications Industry Solutions
Asynchronous Transfer Mode
Any Transport Over MPLS
Adaptive Transmission Protocol
Advanced Television Systems Committee
Attenuator
Acceptable Use Policy
Audio/Video
Audiovisual
Advanced Video Coding
Advanced Video Interface
Audio Video Interleave
Additive White Gaussian Noise
Advanced Wireless Services
Abstract Window(ing) Toolkit
Back-to-Back User Agent
Binary 8 Zero Substitution
Behavioral Aggregate
Bellcore AMA Format
Baseband
Broadband
Broadband Television
Broadcast
Broadcast/Narrowcast
Backwards-Compatible Broadcast Services
Billing Correlation Identifier
Broadband Digital Forward
Baseband Digital Reverse
Best Effort
Bit Error Rate
Bit Error Rate Test
Broadcast File System
Breakout Gateway Control Function
Border Gateway Function
Border Gateway Protocol
Border Gateway Protocol-Virtual Private LAN Service
Border Gateway
Building Industry Consulting Services International
Binary Interchange Format
Broadband Integrated Gateway
BITS
bits/sym
BIU
BMS
BNN
BoD
BOM
BOSS
BP
BP@L1b
BPF
BPI
BPI+
BPL
BPON
B-PON
bps
BRAS
B-RAS
BRI
BRI
BRS
BS
BS
BSC
BSS
BSS
BTS
BTS
BTSC
BTU
BTU/hr
BW
BW/QAM
BYOI
C/N
C/N0
CA Mgmt
CA
CA
CA
CAB
CAC
CAC
CAC
CAD
CAGR
CALA
CALEA
CAN
Canitec
CapEx
CAPMAN
CAS
CAS
CAS
Building Integrated Timing Supply
Bits per Symbol
Broadband Interface Unit
Business Management System
Bit-Error-Rate in the Noise Notch
Broadcast on Demand
Bill of Material
Back Office Support System
Boundary Point
Baseline Protocol at Level 1b
Band-Pass Filter
Baseline Privacy Interface
Baseline Privacy Interface Plus
Broadband over Power Lines
Broadband Passive Optical Network
Broadband Passive Optical Network
Bits Per Second
Broadband Remote Access Server
Broadband Remote Access Server
Basic Rate Interface
Brand Rating Index
Broadband Radio Service
Base Station
Broadcast Services
Base Station Controller
Basic Service Set
Business Support System
Base Transceiver Station (Wireless Telephony)
Business Telecom Services
Broadcast Television Systems Committee
British Thermal Unit
British Thermal Unit Per Hour
Bandwidth
Bandwidth per QAM
Bring Your Own Infrastructure
Carrier to Noise Ratio
Carrier-to-Noise-density Ratio
Conditional Access Management
Call Agent
Conditional Access
Content Archive
Cable Advertising Bureau
Call Admission Control
Connection Admission Control
Connetiont Admission Control
Computer Aided Design
Compound Annual Growth Rate
Central America and Latin America
Communications Assistance for Law Enforcement Act
Cellular Access Network
Camara Nacional de la Industria Television por Cable
Capital Expenditure
Capacity Management
Channel Associated Signaling
Conditional Access Server
Conditional Access System
CAT
CAT5
CATV
CB
CB
CBI
CBR
CBT
CBT
CC
CCC
CCCF
CCCM
CCDF
CCI
CCI
CCK
CCM
CCM
CCNR
CCP
CCR
CCS
CCS
CCS
CD
CD
CDC
CDC
CDF
CDF
CDMA
CDN
CDN
CDPD
CDR
CD-ROM
CDS
CE
CE
CE
CEA
CEBus
CENTREX
CEO
CEP
CEPCA
CER
CES
CESoPSN
CESoPSN
CE-VLAN
CFO
CFP
CG
CGMS-A
Conditional Access Table
Category 5
Community Antenna Television (or Cable Television)
Channel Bonding
Citizen Band
Character-Based Interface
Constant Bit Rate
Computer Based Testing (or Training)
Core-Based Trees
Convolutional Coding
Circuit Cross Connect
Call Continuity Control Function
CPE Controlled Cable Modem
Complementary Cumulative Distribution Function
Content Control Information
Copy Control Information
Complimentary Code Keying
Channel Change Message
Constant Coding and Modulation
Completion of Calls No Reply
Channel Change Protocol
Call Completion Ratio
Centum Call Seconds
Common Channel Signaling
Completed Call Seconds
Chromatic Dispersion
Compact Disc
Changed Data Capture
Connected Device Configuration
Channel Definition Format
Charging Data Function
Code Division Multiple Access
Content Delivery Network
Content Distribution Network
Cellular Digital Packet Data
Call Detail Record
Compact Disk-Read Only Memory
Content Delivery System
Consumer Electronics
Content Entity
Customer Equipment
Consumer Electronics Association
Consumer Electronic Bus
CENTRal office EXchange service
Chief Executive Officer
Cable Entry Point
Consumer Electronics Powerline Communication Alliance
Codeword Error Ratio
Circuit Emulation Service
Circuit Emulation over Packet Switching Networks
Circuit Emulation Service over Packet Switched Network
Carrier Ethernet – Virtual Local Area Network
Chief Financial Officer
Contention Free Periods
Character Generator
Copy Generation Management System - Analog
CH
CH
Ch
CHILA
CIDR
CIFS
CIM
CIN
CIN
CINIT
CIR
CIT
CLASS
CLDC
CLE
CLEC
CLI
CLI
CLID
CLR
CLV
CM
CMCI
CMIM
CMLA
CMOS
CMS
CMS
CMTS
CNAM
CNAM
CNI
CNIR
CNIR
CNR
CO
CO
CODEC
Codec
COLD
Const
COPS
CORBA
CoS
COT
CP
CPD
CPE
CPE
CPH
CPM
CPMS
CPPM
CPRM
CPS
CPS
CableHome™
CableHome™ Host
Channel
Cable Host Interface Licensing Agreement
Classless InterDomain Routing
Common Internet File System
Common Information Model
Call Indentity Number
Converged Interconnect Network
Centro de Investigacion e Innovacion en Telecomunicaciones (CINIT)
Committed Information Rate
Constrained Image Trigger
Custom Local Area Signaling Services
Connected(ion) Limited Device Configuration
Customer Located Equipment
Competitive Local Exchange Carrier
Command Line Interface
Cumulative Leakage Index
Caller Identification
Common Language Run-time
Consumer Lifetime Value
Cable Modem
CM (Cable Modem) To CPE (Customer Premises Equipment) Interface
Cable Modem Interface Mask
Content Management License Administrator
Complimentary Metal-Oxide Semiconductor
Call Management Server
Call Management Server
Cable Modem Termination System
Calling NAMe
Calling Name delivery
Customer-to-Network Interface
Carrier-to-Noise plus Interference Ratio
Carrier-to-Noise/Ingress Ratio
Carrier-to-Noise Ratio
Central Office
Connection Oriented
Coder/Decoder
Encoder/Decoder
Central Office Layout Design
Constellation
Common Open Policy Service
Common Object Request Broker Architecture
Class of Service
Central Office Terminal
Copy Protection
Common Path Distortion
Customer Premises Equipment
Customer Provided Equipment
Cost Per Household
Cost per Thousand Impressions
Copy Protection Management System
Copy Protection for Prerecorded Media
Content Protection for Recordable Media
Content Protection System
Cost Per Subscriber
CPTWG
CPU
CQ-MOS
CQoS
CQP
CRA
CRC
CRG
CRL
CR-LDP
CRM
CS
CSC
CSCF
CSH
CSMA/CA
CSMA/CD
CSO
CSoD
CSR
CS-RZ
CSS
CSU
CSV
CTAM
CTB
CTC
CTIA
CTO
CTR
CW
CW
CWDM
CWM
CY
D&B
D/S
DA
DAC
DARPA
DAS
DAT
DAT
DAVIC
DB
dB
DBA
dBc
dBm
dBmV
dBmVrms
DBPSK
DBS
DC
DC
DC
Copy Protection Technical Working Group
Central Processing Unit
Conversational Quality Mean Opinion Score
CableHome™ Quality of Service
CableHome™ QoS Portal
Contention Resolution Algorithm
Cyclic Redundancy Check
CableHome™ Residential Gateway
Certificate Revocation List
Constraint-based Label Distribution Protocol
Customer Relationship Management
Circuit Switch(ed)
Call Session Controller
Call Session (or State) Control Function
Central Switch Homerun
Carrier Sense Multiple Access with Collision Avoidance
Carrier Sense Multiple Access with Collision Detection
Composite Second Order
Commercial Services over DOCSIS®
Customer Service Representative
Carrier-Suppressed Return-to-Zero
Content Scramble(ing) System
Channel Service Unit
Comma Separated Value
Cable & Telecommunications Association for Marketing
Composite Triple Beat
Convolutional Turbo Coding
Cellular Telecommunications and Internet Association
Chief Technology Officer
Customer Trouble Report
Codeword
Continuous Wave
Coarse Wavelength Division Multiplexing
Common Warehouse Metamodel
Calendar Year
Dun and Bradstreet
Downstream
Destination Address
Digital Addressable Controller
Defense Advanced Research Projects Agency
Direct Attached Storage
Digital Audio Tape
®
DOCSIS Set-top Gateway Address Table
Digital Audio Visual Council
Database
Decibel
Dynamic Bandwidth Allocation
Decibel Referenced to the Carrier
Decibel milliwatt
Decibel milliVolt
Decibel milliVolt root mean square
Differential Binary Phase Shift Keying
Direct Broadcast Satellite
Direct Current
Directional Coupler
Dispersion Compensator
DCA
Digital Cable Application
D-CAPMAN Dynamic Capacity Management
DCAS
Digital Certificate Access Server
DCAS
Downloadable Conditional Access System
DCC
Data Communication Channel
DCC
Dynamic Channel Change
DCD
Disconnection Delay
DCD
Downstream Channel Descriptor
DCF
Dispersion Compensating Fiber
DCF
Distributed Coordination Function
DCM
Dispersion Compensation Module
DCP
Device Control Protocol
DCR
Digital Cable Ready
DCS
Digital Cross-connect System
DCT
Digital Communications (Cable) Terminal
DCT
Discrete Cosine Transform
DDNS
Dynamic Domain Name Service
DDoS
Distributed Denial of Service
DE
Default
DE
Discard Eligible
DeCSS
Defeat Content Scrambling System
DEN
Directory-Enabled Networking
DENI
Digital Entertainment Networking Initiative
DEPI
DOCSIS External Physical Interface
DES
Data Encryption Standard
DES
Digital Encryption Standard
DF
Delivery Function
DFAST
Dynamic Feedback Arrangement Scrambling Technique
DFB
Distributed Feedback
DHCP
Dynamic Host Configuration Protocol
DHCPv6
Dynamic Host Configuration Protocol Version 6
DHCT
Digital Home Communications Terminal
DHEI
DigiCable Headend Expansion Interface
DHWG
Digital Home Working Group
DIA
Direct Internet Access
DIBA
DOCSIS IPTV Bypass Architecture
DiffServ
Differential Services
DiffServ
Differentiated Services
DiffServ-TE Differentiated Services – Traffic Engineering
Div
Division
DIX
DEC-Intel-Xerox
DL
Downlink
DLCI
Data Link Connection Identifier
DLL
Data Link Layer
DLNA
Digital Living Network Alliance
DM
Degraded Modem
DM
Dispersion Mitigation
DMA
Demographic Market Area
DMA
Designated Marketing Area
DMC
Dual Modem Cards
DMCA
Digital Millennium Copyright Act
DMH
Degraded Modem Hours
DML
Direct Modulated Distributed Feedback Laser
DMP
Digital Media Project
DMPT
DOCSIS MPEG Transport
D-MPT
DOCSIS MPEG Transport
DNCS
Digital Network Control System
DNS
Domain Name Server/Service
DOCSDIAG DOCSIS Diagnostic Program
DOCSIS
Data over Cable Service Interface Specifications
®
DOCSIS
Data-Over-Cable Service Interface Specifications
®
®
DOCSIS -RFI DOCSIS Radio Frequency Interface
DoD
Department of Defense
DoS
Denial of Service
DPI
Deep Packet Inspection
DPI
Digital Program Insertion
DPON
Deep-Fiber Passive Optical Network
DPON
DOCSIS over Passive Optical Network
DPSK
Differential Phase Shift Keying
DPT
Dynamic Packet Transport
DQoS
Dynamic Quality of Service
DQPSK
Differential Quadrature Phase Shift Keying
DRAM
Dynamic Random Access Memory
DRFI
Downstream Radio Frequency Interface
DRM
Digital Rights Management
DS
Digital Signal
DS
Downstream
DS0
Digital Signal 0 (zero)
DS1
Digital Signal 1
DS3
Digital Signal 3
DSA
Dynamic Service Add
DSA-ACK Dynamic Service Add - Acknowledgement
DSA-REQ Dynamic Service Add – Request
DSA-RSP Dynamic Service Add - Response
DSCP
Differentiated Service Code Point
DSG
DOCSIS Set-top Gateway
DSID
Downstream Service Identifier
DSL
Digital Subscriber Line
DSLAM
Digital Subscriber Line Access Multiplexer
DSLR
Digital Signal Lens Reflex
DSM
Digital Storage Media, DNCS Session Manager
DSM-CC UN Digital Storage Media Command and Control User-to-Network
DSM-CC Digital Storage Medium Command and Control
DSP
Digital Signal Processor(ing)
DSSS
Direct Sequencing Spread Spectrum
D-STB
Digital Set-Top Box
DSU
Data Service Unit
DS-x
Digital Signal (level)
DSX
Digital Signal Crossconnect
DSx
Dynamic Service Change
DTCP
Digital Transmission Content Protection
DTCP/5C Digital Transmission Content Protection/5 Companies
DTD
Dial Tone Delay
DTE
Data Terminal Equipment
DTH
Direct To Home
DTI
DOCSIS Timing Interface
DTMF
Dual Tone Multi-frequency
DTV
Digital Television
DUN
Dial-Up Networking
DUT
Device Under Test
DV
Digital Video
DVB
Digital Video Broadcast(ing)
DVB-ASI DVB (Digital Video Broadcast) Asynchronous Serial Interface
DVB-DSNG DVB (Digital Video Broadcast) Digital Satellite News Gathering
DVB-H/T Digital Video Broadcast –Handheld/Terrestrial
DVB-MHP Digital Video Broadcast Multimedia Home Platform
DVB-RCS DVB (Digital Video Broadcast) Return Channel via Satellite
DVB-S
DVB (Digital Video Broadcast) Standard
DVD
Digital Versatile Disc
DVD+R
Recordable Digital Versatile Disc
DVD+RW Rewritable Digital Versatile Disc
DVDCCA Digital Versatile Disc Copy Control Association
DVI
Digital Video Interface
DVMRP
Distance Vector Multicast Routing Protocol
DVR
Digital Video Recorder
DVS
Digital Video Standard
DVS
Digital Video Subcommittee
DWDM
Dense Wavelength Division Multiplex
E-1
European format for digital transmission (Equivalent to the North American Digital
Hierarchy T-1)
E²R
End-to-End Reconfigurability
EA-DFB
Electro-Absorption Modulator Integrated Distributed Feedback Laser
EAP
Extensible Authentication Protocol
EAS
Emergency Alert System
EBIF
Enhanced (TV) Binary Interchange Format
eBIF
Enhanced Binary Interchange Format
EBITDA
Earnings Before Interest, Taxes, Depreciation, and Amortization
eCM
Embedded Cable Modem
ECM
Entitlement Control Message
ECM:EPS Embedded Cable Modem: Embedded Portal Option
ECN
Engineering Change Notification
ECO
Engineering Change Order
ECR
Efficient Consumer Response
ECR
Engineering Change Request
EDC
Electronic Dispersion Compensator
EDCA
Enhanced Distributed Channel Access
EDFA
Erbium Doped Fiber Amplifier
EDGE
Enhanced Data Rates for Global Evolution
eDOCSIS™Embedded Data-Over-Cable Service Interface Specifications
EF
Expedited Forwarding
EFM
Ethernet in the First Mile
EFMS
Error Free Milliseconds
EFS
Error Free Seconds
EFSR
Error Free Seconds Ratio
EHDR
Extended Header
EIA
Electronics Industry Association
EIC
Entertainment, Information, and Communications
EIR
Excess Information Rate
EIRP
Effective Isotropic Radiated Power
EIS/SCS Event Information Scheduler/SimulCrypt Synchronizer
ELA
Ethernet Line Aggregation
E-LAN
Ethernet Local Area Network
E-LINE
Ethernet Line
E-LSP
EXP-Inferred-PSC Label Switch Path
EM
Element Manager
EMEA
Europe, Middle East and Asia
EMI
Electro-Magnetic Interference
EMI
Encryption Mode Indicator
EML
Externally Modulated Laser
EMM
Entitlement Management Message
EMS
Element Management System
eMTA
Embedded Multimedia Terminal Adapter
EMx
Element Manager X
ENDEC
Encode/Decode
ENM
Estimated Noise Margin
ENR
Encryption Not Required
ENUM
Electronic Number Mapping
ENUM
Electronic Numbers
ENUM
Telephone Number Mapping
E-O
Electrical-Optical
EoD
Entertainment on Demand
EoD
Everything on Demand
EOL
End of Line
EoMPLS Ethernet over MPLS
EoRPR
Ethernet over Resilient Packet Ring
EoSonet
Ethernet over SONET
EP
End Point
EPG
Electronic Program Guide
EPL
Ethernet Private Line
EP-LAN
Ethernet Private – Local Area Network
EPN
Encryption Plus Nonassertion
EPON
Ethernet Passive Optical Network
EPRI
Electric Power Research Institute
EQ
Equalization
EQAM
Edge QAM (Quadrature Amplitude Modulation)
ER
Edge Router
ERIM
Erasmus Research Institute of Management
ERM
Edge Resource Manager
ERMI
Electronic Resource Management Initiative
ERT-VR
Extended Real Time-Variable Rate
ES
Elementary Stream
ES
Errored Seconds
ES
Exclusive Session
ES/N0
Energy per symbol-to-Noise density Ratio
eSAFE
Embedded Service/Application Functional Entity
ESC
Embedded Signaling Channel
ESCON
Enterprise System Connection
ESCON/FC Enterprise System Connection/Fiber Channel
ESF
Extended SuperFrame
ESM
EOD Server Manager
ESP
Encapsulating Security Payload
ESR
Error Seconds Ratio
eSTB
Embedded Set-Top Box
ET
(SCTE’s ) Emerging Technologies Conference
eTOM
enhanced Telecom Operations Map
ETSI
European Telecommunications Standards Institute
ETTH
Ethernet To The Home
ETTx
Ethernet To The x (end point)
eTV
Enhanced Television
ETV
Enhanced Television
EVA
Error Vector Analysis
EVC
Ethernet Virtual Circuit
EVDO
Evolution Data Optimized
EVM
Error Vector Magnitude
EVPL
EVPL
EVPLAN
EXC
EX-MOD
EXP
FAQ
FastE
FBI
FC
FC-AL
FCAPS
FCC
FCP
FCRC
FCS
FDC
FDD
FDDI
FDM
FE
FE
FEC
FEC
FF
FFT
FGPS
FHCS
FHSS
FICON
FIFO
FiOS
FIR
FLR
FLS
FM
FMC
FN
FOADM
FOD
FoD
FOSC
FP
FQDN
FR
FR
FRAG
Freq Resp
FRR
FRR
FSAN
FS-CWDM
FSK
FSN
FSO
FTP
Ethernet Virtual Private Line
Ethernet Virtual Private Line
Ethernet Virtual Private Local Area Network
Electronic Cross Connect
Externally Modulated
Experimental
Frequently Asked Question
Fast Ethernet
Federal Bureau of Investigation
Fibre Channel
Fiber Channel – Arbitrated Loop
Fault, Configuration, Accounting, Performance and Security
Federal Communications Commission
Fibre Channel Protocol
Fragment Cyclic Redundancy Check
Frame Check Sequence
Forward Data Channel
Frequency Division Duplex
Fiber Distributed Data Interface
Frequency Division Multiplexing
Fast Ethernet
Fast Ethernet
Forward Error Correction
Forwarding Equivalence Class
Fast Forward
Fast Fourier Transform
FEC, Guard time, Preamble, Stuffing bytes
Fragment Header Check Sequence
Frequency Hopping Spread Spectrum
Fiber Connection
First In-First Out
Fiber Optic System(s)
Finite Impulse Response
Frame Loss Ratio
Frame Loss Seconds
Frequency Modulation
Fixed Mobile Convergence
Fiber Node
Fixed Filter Optical Add/Drop Multiplexer
Free on Demand
Free Video On Demand
Fiber Optic Splice Closure
Fabry-Perot
Fully Qualified Domain Name
Fiber Ring
Frame Relay
Fragmentation
Frequency Response
False Rejection Rate
Fast Re-Route
Full Service Access Network
Full Spectrum - Coarse Wave Division Multiplexing
Frequency Shift Keying
Full Service Network
Free Space Optical
File Transfer Protocol
FTTB
FTTC
FTTH
FTTN
FTTP
FTTR
FTTU
FTTW
FTTWAP
FTTx
FTTX
FUD
FW
FWA
FWM
FXO
FXS
G2B
GA
GaAs
GAC
GARP
GB
GB/s
GbE
GBIC
Gbps
GC
GCC
GCF
GDV
GE RPR
GE
GEM
GE-PON
GFL
GFP
GFP-F
GFP-T
GFP-T
GGSN
GHz
GigE
GIGO
GIS
GMPLS
GNT
GOP
GOPS
G-PON
GPON
GPRS
GPS
GQoS
GR
GRE
Fiber to the Business
Fiber to the Curb
Fiber to the Home
Fiber to the Node
Fiber to the Premises
Fast Time To Repair
Fiber to the User
Fiber to the Wireless
Fiber to the Wireless Access Point
Fiber to the (endpoint)
Fiber to the Exchange
Fear, Uncertainty and Doubt
Firewall
Fixed Wireless Access
Four-Wave Mixing
Foreign eXchange Office
Foreign eXchange Station
SM
Go2Broadband
Genetic Algorithm
Gallium Arsenide
Genetic-based Admission Control
Generic Attribute Registration Protocol
Gigabyte
Gigabits per Second
Gigabit Ethernet
Gigabit Interface Converter
Gigabits per Second
Gateway Controller
General Communications Channel
Breakout Gateway Control Function
Group Delay Variation
Gigabit Ethernet Resilient Packet Ring
Gigabit Ethernet
Globally Executable MHP
Gigabit Ethernet Passive Optical Network
Group Flow Label(s)
Generic Framing Procedure
Generic Framing Procedure-Framed
Generic Framing Procedure-Transparent
Transparent Generalized Framing Procedure
Gateway GPRS (General Radio Packet Service) Support Node
Gigahertz
Gigabit Ethernet
Garbage In, Garbage Out
Geographic Information System
Generalized Multi-Protocol Label Switching
Grant
Group of Pictures
Graphical Operations per Second
Gigabit (Ethernet) Passive Optical Network
Gigabit Passive Optical Network
General Packet Radio Service
Global Positioning System
Generic Quality of Service
Generic Requirement
Generic Routing Encapsulation
GRM
GRP
GRX
GS
GSM
GSMA
GSN
GSRM
GSRM
GTP
GTT
GUI
GUPI
GVRP
GW
GWC
H&S
HA
HAL
HAN
HAS
HAVi
HBO
HCCA
HCF
HCRP
HCS
HD
HD
HDBH
HDCP
HDD
HDLC
HDMI
HDPBH
HD-PLC
HDR
HDSDI
HDT
HDTV
HDVoD
HD-VOD
HE
HEC
HEM
HFC
HGW
HH
HHP
Hi-PHY
HIS
HIT
HITS
HLR
HMS
HMS
Global Resource Manager
Gross Rating Point
GPRS (General Packet Radio Service) Roaming eXchange
Global Server
Global System for Mobile (communications)
Global System for Mobile communications Association
GPRS (General Packet Radio Service) Support Node
Global Session & Resource Management
Global System Resource Manager
GPRS Tunneling Protocol
Global Title Translation
Graphical User Interface
Global Universal Provisioning Interface
GARP VLAN Registration Protocol
Gateway
Gateway Controller
Hub and Spoke
High Availability
Hardware Abstraction Langugae
Home Area Network
Hardware Authentication Server
Home Audio Video Interoperability
Home Box Office
Hybrid Coordination function controlled Channel Access
Hybrid Coordination Function
Hard Copy Cable Replacement
Header Check Sequence
Hardware
High Definition
High-Day Busy Hour
High-bandwidth Digital Content Protection
Hard Disk Drive
High-Level Data Link Control
High Definition Multimedia Interface
High Day Peak Busy Hour
High Definition-ready Powerline Communications
Header
High Definition Serial Digital Interface
Host Digital Terminal
High Definition Television
High Definition Video on Demand
High Definition-Video on Demand
Headend
Headend Controller
Headend Modem
Hybrid Fiber/Coax
Home Gateway
HouseHold
Households Passed
High Performance Physical Layer
High-Speed Internet
Headend Interface Terminal
Headend In The Sky
Home Location Register
Headend Management System
Home Media Server
HMS
Hybrid Management Sub-layer
HN
Home Network
H-Net
Home Network
HNv1
Home Networking Version 1
HOD
HBO On Demand
HOM
High-Order Modulation
HomePNA™ Home Phoneline Networking Alliance
HP
Homes Passed
H-PCRF
Home Policy and Charging Rules Function
HPF
High Pass Filter
HPLMN
Home Public Land Mobile Network
HPNA
Home Phoneline Networking Alliance
HPOV
Hewlitt Packard Open View
HQ
Headquarters
HQ
High Quality
HSA
High Speed Access
HSD
High Speed Data
HSDPA
High Speed Downlink Packet Access
HSI
High-Speed Internet
HSP
Headset Profile
HSS
Home Subscriber Server
HSS/HLR High Speed Serial/Home Location Register
HSUPA
High Speed Uplink Packet Access
HTML
HyperText Markup Language
HTPC
Home Theatre Personal Computer
HTTP
Hypertext Transfer Protocol
HTTPS
Hypertext Transfer Protocol Secure (sockets)
HVAC
Heating, Ventilation, and Air Conditioning
HVPLS
Hierarchical Virtual Private LAN Service
HW
Hardware
Hz
Hertz
I/O
Input/Output
I/Q
Incident/Quadrature
IAD
Integrated Access Device
IAG
Interactive Advertising Guidelines
IAMS
Intelligent Asset Management System
IANA
Internet Assigned Numbers Authority
IAP
Intelligent Access Point
IB
In-Band
IBCF
Interconnection Border Control Function
ICB
Independent Customer Builds
ICC
Instant Channel Change
ICE
Information and Content Exchange
ICE
Interactive Connectivity Establishment
ICE
Interchangeable Compressed Elements
ICI
Intercarrier Interface
ICMP
Internet Control Message Protocol
I-CMTS
Integrated Cable Modem Termination System
ICO
Incumbent Cable Operator
ICS
IMS Convergence Server
i-CSCF
Interrogating-Call State/Session Control(ler) Function
ID
Identification or Identifier
IDAD
Integrated DOCSIS® Access Device
IDE
Integrated Development Environment
IDE
Integrated Drive (or Device) Electronics
iDEN
Integrated Digital Enhanced Network
IDP
Intrusion Detection and Prevention
IDS
Intrusion Detection System
IDT
Integrated Digital Terminal
IEC
International Electrotechnical Commission
IEEE
Institute of Electrical and Electronic Engineers
IEEE-SA Institute of Electrical and Electronics Engineers Standards Association
IETF
Internet Engineering Task Force
IF or I/F
Intermediate Frequency
IFC
Initial First Cost
IGMP
Internet Group Management Protocol
IGMP
Internet Group Multicast Protocol
IGMPv2
Internet Group Multicast Protocol, version 2
IGMPv3
Internet Group Multicast Protocol, version 3
IGP
Interior Gateway Protocol
IKE
Internet Key Exchange
ILEC
Incumbent Local Exchange Carrier
ILMI
Interim Link Management Interface
IM
Instant Message(ing)
IMA
Inverse Multiplexing for ATM
Imb
Imbalance
IMD
Interception Mediation Device
IMD
Intermodulation Distortion
Impls Resp Impulse Response
IMS
IP Multimedia Subsystem
IMSI
International Mobile Subscriber Identity
IM-SSF
IP Multimedia Services Switching Function
IN
Intelligent Network
INA
Interactive Network Adaptor
INADDR ARPA Internet Address Address Routing Parameter Area
I-NET
Institutional Network
Int
Top Level in Internet Domain Name System
IntServ
Integrated Services
IO
Input Output
IOS
Internetworking Operating System
IP
Internet Protocol
IPAT
Internet Protocol Access Terminal
IP-CAN
Internet Protocol Cellular Access Network
IP-CAN
Internet Protocol Connectivity Access Network
IPCDN
IP over Cable Data Network
IPDR
Internet Protocol Data Record
IPDR
Internet Protocol Detail Record
IPDR/SP Internet Protocol Detail Record/Streaming Protocol
IPDT
Internet Protocol Digital Terminal
IP-Eth
Internet Protocol-Ethernet
IPG
Interactive Program Guide
IPG
Inter-Packet Gap
IPM
Intelligent Policy Management
IPMP
Intellectual Property Management and Protection
IPPV
Impulse Pay per View
IPR
Intellectual Property Rights
IPSec
Internet Protocol Security
IPSTB
IP Set-Top Box
IPT
Internet Protocol Telephony
IPTA
Internet Protocol Transport Agreement
IPTV
Internet Protocol Television
IPv4
Internet Protocol version 4
IPv6
IPX
IR
IRD
IRI
IRM
IRR
IRR
IRT
IS
ISA
ISA
ISC
ISCI
iSCSI
ISDN
ISI
IS-IS
ISM
ISMS
ISO
ISP
ISP
ISTP
ISUP
ISV
IT
ITA
ITIL
ITU
ITU-T
iTV
IUC
IVR
IVRM
IWF
IWF
IXC
IXP
J2EE
J2ME
JCP
JMF
JNI
JPEG
JSR
JTA
JVM
JVT
k
K12
KB
kb/s
kbps
KDC
KDCF
Internet Protocol version 6
Internetwork Packet Exchange
Infrared
Integrated Receiver/Decoder
Industrial Reporting Inc
Intelligent Resource Management
Information Request Response
Internal Rate of Return
Integrated Receiver/Transcoder
Information Systems
Integrated Services Architecture
Integrated Services Architecture
Internet Software Consortium
Industry Standard Coding Identification
Internet Small Computer System Interface
Integrated Services Digital Network
Inter-Symbol Interference
Intermediate System-to-Intermediate System
Industrial Scientific Medical
Integrated Service Management System
International Organization for Standardization
Inside Plant
Internet Service Provider
Internet Signaling Transport Protocol
Integrated Services Digital Network User Part
Independent Software Vendor
Information Technology
Interactive Television Association
Information Technology Infrastructure Library
International Telecommunication Union
International Telecommunication Union Telecommunication (Standardization Sector)
Interactive Television
Interval Usage Code
Interactive Voice Response
Intelligent Video Resource Manager
Internetworking Function
InterWorking Function
Interexchange Carrier
Internet Exchange Provider
Java 2 Enterprise Edition
Java 2 Mobile Edition
Java Community Process
Java Media Framework
Java Native Interface
Joint Photographic Experts Group
Java Specification Request
Job Task Analysis
Java Virtual Machine
Java Vision Toolkit
Kilo = 1000
Kindergarten through Grade 12
Kilobyte
Kilobits per Second
Kilobits per Second
Key Distribution Center
Korea Digital Cable Forum
kHz
km
KPI
KSA
ksym/s
ksym/sec
KTTA
kVA
kW
l
L2
L2TP
L2TPv3
L2VPN
LAN
LATA
LC
LCAS
LCC
LCP
LCS
LCT
LD
LDAP
LDP
LDPC
LDP-VPLS
LDS
LEA
LEC
LED
LEN
LER
LERG
LFA
LH DWDM
LIDF
LIU
LLC
LLD
L-LSP
LMDS
LMI
LMP
LNB
LNP
LO
LOADM
LOF
LOPS
LOS
LOS
LovSAN
LP
LPCM
LPF
Kilohertz
Kilometer
Key Performance Indicator
Knowledge, Skills and Abilities
Kilosymbols Per Second
Kilosymbols Per Second
Korean Telecommunications Technology Association
1000 Volt Amperes
Kilowatt
Current
Layer 2
Layer-2 Tunnel(ing) Protocol
Layer-2 Tunnel(ing) Protocol Version 3
Layer-2 Virtual Private Network
Local Area Network
Local Access and Transport Area
Local Convergence
Link Capacity Adjustment Scheme
Life-Cycle Cost
Local Convergence Point
Line Code Signaling
Local Craft Terminal
Long Distance
Lightweight Directory Access Protocol
Label Distribution Protocol
Low Density Parity Check
Label Distribution Protocol-Virtual Private LAN Service
Local Digital Switch
Law Enforcement Agency
Local Exchange Carrier
Light Emitting Diode
Length
Label Edge Router
Local Exchange Routing Guide
Long Format Advertising
Long Haul Dense Wave Division Multiplex
Lawful Intercept Delivery Function
Line Interface Unit
Logical Link Control
Logical Link Identifier
Label-Only-Inferred-PSC LSP
Local Multipoint Distribution System
Link Management Interface
Link Management Protocol
Low Noise Block-downconverter
Local Number Portability
Local Origination
Lightweight Optical Add/Drop Multiplexer
Loss of Frame
Loss of Packet Sync
Line Of Sight
Loss of Signal
a.k.a The Blaster Worm
Long Play
Linear Pulse Code Modulation
Local Policy Function
LQ-MOS
LRU
LSB
LSP
LSP
LSP
LSR
LTE
LTS
LUA
LVI
LWP
M/U
M13
M3UA
mA
MAC
MAC
MACD
MAN
MAP
MAP
MARCOM
MAS
MB
MB
Mb/s
MB/s
Mbaud
Mbits/sec
Mbps
MBps
MBS
M-CMTS
MCP
MC-PC
MCPC
MCTF
MD5
MDA
MDN
MDR
MDU
mDVR
MEA
MEF
MEMS
MEN
MER
MF
MF
MFM
MG
MGC
MGC
MGCF
Listening Quality Mean Opinion Score
Least Recently Used
Least Significant Byte
Label Switched Path
Layered Service Provider
Legacy Set-top Profile
Label Switch Router
Long Term Evolution
Long Term Storage
Last User Activity
Low Voltage Integrator
Low Water Peak
Modulator/Upconverter
Multiplexer for DS1 to DS3 signals
MTP-3 User Adaptation
Milliamp
Media Access Control
Moves, Adds, Changes
Moves, Adds, Changes, Deletes
Metropolitan Area Network
Main Audio Program
Mobility Application Protocol
Marketing & Communications
MPEG-Aware Switch
Media Bundle
Megabyte
Megabits per Second
Megabytes per Second
Megabaud
Megabits per Second
Megabits per Second
MegaByte per Second
Mission Bit Stream
Modular Cable Modem Termination System
Mini-Carousel Protocol
Media Center Personal Computers
Multiple Channel Per Carrier (Satellite transmission)
Motion Compensated Temporal Filtering
Message-Digest Algorithm
Model Driven Architecture
Mobile Directory Number
Mobile Digital Recorder
Multiple Dwelling Unit
Multi-TV Digital Video Recorder
Mesh Enabled Architecture
Metro Ethernet Forum
Micro-Electro-Mechanical Systems
Metro Ethernet Network
Modulation Error Ratio
Multifield
Multifrequency
Multi-Flow Multicast
Media Gateway
Media Gateway Controller
Media Gateway Controller
Media Gateway Control Function
MGCP
Media Gateway Control Protocol
MGCP
Media Gateway Control Protocol
MGW
Media Gateway
MHP
Multimedia Home Platform
MHz
Megahertz
MIB
Management Information Base
MIC
Message Integrity Check
MIDI
Musical Instrument Digital Interface
MIDP
Mobile Information Device Profile
MIMO
Multiple Input, Multiple Output
MIMO
Multiple Input, Multiple Output
MIP
Mobile IP
MIPS
Millions of Instructions per Second
MITM
Man in the Middle
ML/MP
Main Level/Main Profile
MLB
Medium-to-Large Business
MLD
Multicast Listener Discovery
MLD
Multicast Listener Discovery
MLPPP
Multi-Link Point to Point Protocol
MM
Multimedia
MMA
Media Management Agent
MMD
Multipoint Microwave Distribution
MMG
Massively Multiplayer Game
MMI
Man Machine Interface
MMS
Multimedia Message System
MNO
Mobile Network Operator
MNO
Mobile Network Operator
MoCA
Multimedia Over Coax Alliance
MOD
Movies on Demand
MOF
Meta Object Facility
MOS
Mean Opinion Score
MOS-CQ Mean Opinion Score-Conversational Quality
MOS-LQ Mean Opinion Score-Listening Quality
MOSPF
Multicast Open Shortest Path First
MOSSI
MCMTS Operations Support System Interface
MOSSI
Modular Open Source Software Institute
MOU
Minutes Of Use
MP
Media Player
MP@ML
Main Profile at Main Level
MP2MP
Multipoint to Multipoint
MP3
MPEG (Moving Pictures Expert Group)-1, (Audio) Layer 3
MPBGP
MultiProtocol Border Gateway Protocol
MPC
Master Planned Communities
MPC
Media Player Controller
MPCP
Multipoint Control Protocol
MPDU
MAC (Media Access Control) Protocol Data Unit
MPEG
Moving Pictures Expert Group
MPEG-1
Moving Pictures Expert Group – Layer 1
MPEG-2
Moving Pictures Expert Group – Layer 2
MPEG2-TS MPEG2-Transport Stream
MPEG-4
Moving Pictures Expert Group – Layer 4
MPEG-TS Moving Pictures Expert Group Transport Stream
MPEGTS MPEG Transport Stream
MPLS
Multiprotocol Label Switching
MPLS-eth Multiprotocol Label Switching-Ethernet
MPLS-FRR MultiProtocol Label Switching Fast Reroute
MPLS-TE
MPLS-TE
MPT
MPTS
MQ
M-QAM
MRC
MRF
MRFC
MRFP
MRTG
MS
ms
MS
MSA
MSA300
MSB
MSC
MSC
MSC
MSDP
msec
MSFT
MSO
MSPP
Msps
MSR
MSTP
MSTP
Msym
MTA
MTBF
MTP-3
MTTD
MTTF
MTTR
MTTU
MTU
MUG
MULPI
MUX
mV
MVNO
MVoD
MVPD
MWG
MWR
MZ
NACK
NANPA
NAP
NAPT
NAPTR
NAS
NASS
NAT
MPLS – Traffic Engineering
MultiProtocol Label Switching Traffic Engineering
MPEG Transport
Multi-Program Transport Stream
Medium Quality
M-ary Quadrature Amplitude Modulation
Media Resource Center
Multimedia Resource Function
Multimedia Resource Function Controller
Multimedia Resource Function Processor
Multi Router Traffic Grapher
Media Servers
Millisecond
Mobile Station
Metropolitan Statistical Area
Standard 10 Gigabit Ethernet Connector
Most Significant Byte
Message Sequence Chart
Mobile Switching Center
Mobile Switching System
Multicast Source Discovery Protocol
Millisecond
Microsoft Corporation
Multiple System Operator
Multi-Service Provisioning Platform
Mega-Symbols per Second
Mesh Scalable Routing
Multi Service Transport Platform
Multiple Spanning Tree Protocol
Symbol Rate
Multimedia Terminal Adapter
Mean Time Between Failures
Message Transfer Part Level 3
Mean Time to Diagnose
Mean-Time-To-Failure
Mean Time To Repair
Mean Time to Understand
Maximum Transmission Unit
Multimedia Home Platform Umbrella Group
MAC and Upper Layer Protocol Interface
Multiplexer
Millivolt
Mobile Virtual Network Operator
Mobile Video on Demand
Multi-channel Video Programming Distributor
Media GateWay
Mesh Wireless Router
Mach-Zehnder
Negative Acknowledgement
North American Numbering Plan Administration
Network Access Point
Network Address and Protocol Translation
Naming Authority Pointer
Network Attached Storage
Network Attached Storage System
Network Address Translation
NBC-BS
NBI
NCM
NCS
NCTA
ND
NDA
NDE
NDMH
NDVR
NE
NEBS
NeDS
NEMA
NEMS
NETBIOS
NF
NFM
NFS
NG STB
NG
NG-L1
NGN
NGNA
NGO
NGOD
ngOSS
ng-SONET
NI
NIC
NID
NIS
NIST
NIT
NIU
NLOS
NLS
nm
NmAccess
NMC
NMS
NNI
NNOC
NNTP
NOC
NP
NPAC
n-PE
NPR
NPV
nPVR
nQAM
NRSS
NRT VBR
NRTC
nRTP
Non Backwards-Compatible Broadcast Services
Northbound Interface
Next Century Media
Network-based Call Signaling
National Cable & Telecommunications Association
Neighbor Discovery
Non-Disclosure Agreement
Network Dimensioning Engine
Non-Degraded Modem Hours
Network Digital Video Recorder
Network Element
Network Equipment Building System
Network Domain Selection
National Electrical Manufactures Association
Network Element Management System
Network Version of Basic Input/Output System
Noise Figure
Narrowband FM
Network File System
Next Generation Set Top Box
Next Generation
Next Generation Layer 1
Next Generation Network
Next Generation Network Architecture
Non-Government Organization
Next Generation On Demand
Next Generation Operations Systems and Software
Next Generation Synchronous Optical NETwork
Network Interface
Network Interface Card
Network Interface Device
Network Infrastructure Solutions
National Institute of Standards and Technology
Network Information Table
Network Interface Unit
Non-Line of Sight
Network Layer Signaling
Nanometer
Network Management Access
Network Media Center
Network Management System
Network-Network Interface
National Network Operations Center
Network News Transfer Protocol
Network Operations Center
Number Portability
Number Portability Administration Center
Network (Device) Provider Edge
Noise Power Ratio
Net Present Value
Network-based Personal Video Recorder
Unspecified QAM
National Renewable Security Standard
Non-Real Time Variable Bit Rate
National Rural Telecommunications Cooperative
Non Real-time Transport Protocol
nrtPS
NRT-VR
NRZ
ns
NS
NSI
NSIS
NSP
NTP
NTS
NTSC
NVM
NVOD
NW
O/E
OA&M
OADM
OAM
OAM&P
OASIS
OCAP
OC-CC
OC-CFR
OCn
OCn
OCS
OCSP
OCST
OC-x
OCXO
ODA
ODRL
ODU
ODU-1
OE
O-E
OEM
O-E-O
OEPL
OEPLAN
OEVPL
OEVPLAN
OFC
OFCS
OFDM
OFDMA
OH
OIU
OJT
OLA
OLT
OM
OMA
OMG
ONDS
ONT
Non-Real Time Polling Service
Non Real Time-Variable Rate
NonReturn to Zero
Nanosecond
Neighbor Solicitation
Network Side Interface
Next Steps in Signaling
Network Service Provider
Network Time Protocol
Near Term Storage
National Television System Committee
Non-Volatile Memory
Near Video on Demand
Network
Optical Signal-to-Electrical Signal conversion
Operations, Administration & Maintenance
Optical Add/Drop Multiplexer
Operations, Administration, Management
Operations, Administration, Maintenance and Provisioning
Organization for the Advancement of Structured Information Standards
OpenCable™ Application Platform
OpenCable™ CableCARD™
OpenCable™ - Core Functional Requirements
Optical Carrier (level)
Optical Carrier (level)
Online Charging System
Online Certificate Status Protocol
Office of Cable Signal Theft
Optical Carrier (level)
Oven Controlled Crystal Oscillator
Outlet Digital Adapter
Open Digital Rights Language
Optical Data Unit
Optical Data Unit – Level 1
Optical Ethernet
Optical-Electrical
Original Equipment Manufacturer
Optical-to-Electrical-to-Optical
Optical Ethernet Private Line
Optical Ethernet Private Local Area Network
Optical Ethernet Virtual Private Line
Optical Ethernet Virtual Private Local Area Network
Optical Fiber Communication
Offline Charging System
Orthogonal Frequency Division Multiplexing
Orthogonal Frequency Division Multiple Access
Overhead
Organizationally Unique Identifier
On-The-Job Training
Optical Line Amplifier
Optical Line Terminal (or Termination)
Order Management
Open Mobile Alliance
Object Management Group
Optical Node Distribution Switch
Optical Network Terminal
ONU
OOB
OOF
OOK
OOM
OOO
OpEx
OPVC1
ORX
OS
OSA SCS
OSA
OSC
OSCT
OSDE
OSGi
OSI
OSMINE
OSNR
OSP
OSPF
OSPF-TE
OSS
OSSI
OSW
OTA
OTDR
OTN
OTN
OTTP
OTU2
OTU-N
OTX
OUI
OWG
OXC
P/E
P2MP
P2P LSP
P2P
P2P
PAC
P2PE
PABX
PAC
PAC
PACM
PAM
PAM
PAMS
PAMS
PAN
PAR
PARM
PAT
PAT
Optical Network Unit
Out-of-Band
Out of Frame
On-Off-Keying
Order Of Magnitude
Optical-Optical-Optical
Operating Expenses
Optical channel Payload Virtual Container-Level 1
Optical Receiver
Operating System
Open Service Access-Service Capability Server
Open Service Access
Optical Supervisory Channel
Operational Service Communications Tool
Open Service Delivery Environment
Open Services Gateway Initiative
Open Systems Interconnect
Operations Systems Modification for the Integration of Network Elements
Optical Signal-to-Noise Ratio
Outside Plant
Open Shortest Path First
Open Shortest Path First with Traffic Engineering
Operation Support System
Operational Support System Interface
Optical SWitch
Over-the-Air
Optical Time Domain Reflectometer
Optical Transition Node
Optical Transport Network
Over-The-Top Provider
Optical Transport Channel Unit 2
Optical Transport Unit
Optical Transmitter
Organizationally Unique Identifier
OnRamp Working Group
Optical Cross Connect
Profits to Earnings
Point to Multipoint
Peer-to-Peer Layered Service Provider
Peer to Peer
Point to Point
Personal Air Communication technology protocol
Point-to-Point Emulation
Private Automatic Branch Exchange
Personalized Adaptive Coding
Provisioning, Activation and Configuration
Provisioning, Activation, Configuration and Management
PacketCable Application Manager
Pulse Amplitude Modulation
Passive Acoustic Monitoring System
Perceptive Analysis Measurement System
Personal Area Network
Project Authorization Request
Parameter
Port Address Termination
Program Association Table
PBBTE
PBH
PBIA
PBM
PBNM
PBP
PBR
PBT
PBX
PC
PC
PC1
PC2.0
PCI
PCM
PCMCIA
PCMCIA
PCMM
PCR
PCR
PCRF
PCS
P-CSCF
PDA
PDD
PDF
PDF
PDF
PDG
PDH
PDI
PDL
PDN
PDP
PDP
PDSN
PDU
PDW
PEF
PEG
PEG
PEI
PEP
PER
PESQ
PF
PHB
PHS
PHS
PHY
PIC
PID
PID
PIM
PIM-DM
PIM-SM
Provider Backbone Bridging with Traffic Engineering
Peak Busy Hour
Personal Broadband Industry Association
Program Based Mosaic
Policy-Based Network Management
Personal Basis Profile
Policy Based Routing
Provider Backbone Transport
Private Branch Exchange
PacketCable™
Personal Computer
Packet Cable version1
PacketCable™ 2.0
Peripheral Connect Interface
Pulse Code Modulation
Personal Computer Memory Card Interface Adaptor
Personal Computer Memory Card International Association
PacketCable™ Multimedia
Peak Cell Rate
Program Clock Reference
Policy and Charging Rules Function
Personal Communications System
Proxy-Call Session Control(ler) Function
Personal Digital Assistant
Post-dial Delay
Policy Decision Function
Policy Distribution Function
Probability Density Function
Packet Data Gateway
Plesiochronous Digital Hierarchy
Path Defect Indicator
Polarization Dependent Loss
Public Data Network
Packet Data Protocol
Policy Decision Point
Packet Data Serving Node
Protocol Data Unit
Polarization Dependent Wavelength
Policy Enforcement Function
Pain per Eyeball Gained
Public, Education, Government
Policy Enforcement Interface
Policy Enforcement Point
Packet Error Rate
Perceptual Evaluation of Speech Quality
Policy Function
Prescribed per Hop Behavior
Packet Header Suppression
Payload Header Suppression
Physical (layer)
Photonic Integrated Circuit
Packet Identifier
Program Identifier
Protocol Independent Multicast
Protocol Independent Multicast-Dense Mode
Protocol Independent Multicast – Sparse Mode
PIN
PIN
PING
PIP
PKI
PKM
PKT
pktc
PL
PLC
PLC
PLMN
PLT
PM
PM
PMD
PMK
PMP
PMP
PMT
PN
PO
PoC
POD
POF
POH
PON
PON
POP
POP3
POS
POS
POTS
p-p
PPD
PPE
PPmux
PPP
PPPoA
PPPoE
pps
PPS
PPT
PPTP
PPV
PQ
PRBS
PRBS
PRCF
PRI
PRM
PRNG
PRV
PS
PS
PS
Positive-Intrinsic-Negative
Personal Identification Number
Packet Internet Groper
Picture In Picture
Public Key Infrastructure
Privacy and Key Management
Packet
PacKeT Cable
Packet Loss
Packet Loss Concealment
Powerline Communications
Public Land Mobile Network
Powerline Telecommunications
Performance Monitoring
Phase Modulation
Polarization Mode Dispersion
Pairwise Master Key
Point to MultiPoint
Portable Media Player
Program Map Table
Program Number
Purchase Order
Push to talk over Cellular
Point of Deployment
Plastic Optical Fiber
Path Overhead
Passive Optical Network
Passive Optical Network
Point Of Presence
Post Office Protocol 3
Packet Over SONET
Point of Sale
Plain Old Telephone Service
Peak to peak
Post-pickup Delay
Programmable Processing Element(s)
Point-to-Point Multiplexer
Point-to-Point Protocol
PPP over ATM
Point-to-Point Protocol over Ethernet
packets per second
Packets Per Second
Power Passing Tap
Point-to-Point Tunneling Protocol
Pay Per View
Picture Quality
Pseudo-Random Binary Sequence
Pseudo-Random Bits Stream
Positioning Radio Coordination Function
Primary Rate Interface
Polarization Recovery Module
Pseudo Random Number Generators
Privacy
Packet Switch
Policy Server
Portal Services
PS
PS
PSA
PS-CN
PSD
PSI
PSIP
PSK
PSK
PSN
PSP
PSP
PSP
PSQ
PSQM
PSTN
Pt to Pt
PTK
PTP
PTS
PTT
PTT
PTV
PUSC
PV
PVC
PVC
PVR
PVT
PW
PWE3
PWE3
Q1
QA
QAM
QBP
QCC
QCIF
QCS
QEF
QFM
QoE
QoS
QPSK
R&D
R.H.
RA
RACF
RACS
RADD
RADIUS
RAI
RAID
RAM
RAN
RAN
Power Supply
Provisioning Server
PacketCable Service Agreement
Packet Switched Core Network
Power Spectral Density
Program Specific Information
Program and System Information Protocol
Phase Shift Keying
PreShared Key
Packet Switched Network
Packet Streaming Protocol
Packet Success Probability
Play Station Portable
Packet Streaming Queue
Perceptual Speech Quality Measurement
Public Switched Telephone Network
Point to Point
Pairwise Temporal Key
Point To Point
Program Transport Stream
Postal, Telegraph and Telephone
Push to Talk
PowerTV
Partial Usage of Subchannels
Present Value
Permanent Virtual Circuit/Connection
Private Virtual Circuit
Personal Video Recorder
Provider VLAN Transport
Pseudo Wire
Pseudowire Emulation Edge-to-Edge
Pseudo-Wire End-to-End Working Group
Quarter 1
Quality Assurance
Quadrature Amplitude Modulation
QoS Boundary Point
QoS Characteristics Management Client
Quarter Common Intermediate Format
QoS Characteristics Management Server
Quasi-Error Free
QoS prioritized Forwarding and Media Access
Quality of Experience
Quality of Service
Quadrature Phase Shift Keying
Research and Development
Relative Humidity
Router Advertisement
Resource Access Control Function
Resource and Admission Control Sub-system
Remote Addressable DANIS/DLS
Remote Authentication Dial-in User Service
Remote Alarm Indication
Redundant Array of Inexpensive Disks
Random Access Memory
Radio Access Network
Regional Area Network
RAP
RAP
RBOC
RBW
RC
RCA
RCEF
RCV
RDC
RDF
RDI
RDI
REL
REN
REQ
ResApp
RESV
REW
RF
RFC
RFI
RFP
RG
RIAA
RIN
RIP
RISC
RJ
RKS
RM
RMS
RNC
RNOC
RO
ROADM
ROAP
ROB
ROI
ROM
RP
RPD
RPF
RPM
RPR
RS
RS
RSA
RSA
RSS
RSTP
RSVP
RSVP-TE
RT VBR
RT
RTA
RTA
Regional Access Point
Resource Allocation Protocol
Regional Bell Operating Company
Resolution Bandwidth
Redistribution Control
Root Cause Analysis
Resource Control and Enforcement Function
Receiver
Reverse Data Channel
Resource Description Framework
Remote Defect Indicator
Remote Detection Indication
Rights Expression Language
Ringer Equivalence Number
Request
Resident Application
Reservation
Rewind
Radio Frequency
Request for Comment
Request for Information
Request for Proposal
Residential Gateway
Recording Industry Association of America
Relative Intensity Noise
Routing Information Protocol
Reduced Instruction Set Computer
Registered Jack
Record Keeping Server
Resource Manager
Root Mean Square
Radio Network Controller
Regional Network Operations Center
Read Only
Reconfigurable Optical Add/Drop Multiplexer
Rights Object Acquisition Protocol
Return on Bandwidth
Return on Investment
Read Only Memory
Rendezvous Point
Return Path Demodulator
Reverse Path Forwarding
Revolutions per Minute
Resilient Packet Ring
Reed-Solomon
Router Solicitation
Reed-Solomon Association
Rivest Shamir Adleman
Rich Site Summary or Really Simple Syndication
Rapid Spanning Tree Protocol
Resource reSerVation Protocol
Resource Reservation Protocol with Traffic Engineering
Real-Time Variable Bit Rate
Real Time
Real Time Acquisition
Real Time Asset
RTCP
RTCP-XR
RTD
RTE
RTI
RTN
RTOS
RTP
RTP
RTPS
rtPS
RTSP
RTT
RT-VR
RU
RU
RW
RX
RxMER
RZ
RZ-DPSK
s.f.
S/I
S/IMP
S/N
SA
SAG
SAID
SAII
SAML
SAN
SAP
SAP
SARA
SATA
SAToP
SAW
SB
SBC
SBC
SBM
SBS
SBS
SBV
SBW
SC/APC
SCADA
SCC
S-CDMA
SCIM
SCM
SCM
SCMS
SCN
SCN
SCO
Real time Transmission Control Protocol
Real time Transmission Control Protocol-Extended Reports
Round Trip Delay
Real Time Encoder
Real Time Ingest
Regional Transport Network
Real Time Operating System
Real Time Protocol
Real-time Transport Protocol
Real Time Polling Service
Real Time Polling Service
Real Time Streaming Protocol
Round-Trip Time
Real Time-Variable Rate
Rack Unit
Revenue Unit
Rewind
Receive or receiver
Receive Modulation Error Ratio
Return to Zero
Return to Zero Differential Phase Shift keying
Square Foot
Signal-to-Interference Ratio
Signal-to-Impulse Ratio
Signal-to-Noise Ratio
Scientific Atlanta
Synthetic Analog Gateway
Security Association Identifier
Source Attachment Individual Identifier
Security Assertion Markup Language
Storage Area Network
Secondary Audio Program
Service Access Point
Scientific-Atlanta Resident Application
Serial Advanced Technology Attachment
Structured Agnostic TDM over Packet
Surface Acoustic Wave
Switched Broadcast
Session Border Control(ler)
Switched Broadcast Client
Switched Broadcast Manager
Stimulated Brilliouin Scattering
Switched Broadcast Server
Switched Broadcast Video
Signal Bandwidth
Standard Connector/ Angled Physical Contact
Supervisory Control And Data Acquisition
Seamless Content Consumption
Synchronous Code Division Multiple Access
Service Capability Interaction Manager
Stored Content Manager
Sub-Carrier Multiplexing
Serial Copy Management System
Service Class Name
Shared Content Network
Synchronous Connection Oriented
SCP
SCR
SCS
s-CSCF
SCSI
SCTE
SD
SD
SDB
SDC
SDF
SDH
SDI
SDIO
SDK
SDL
SDMH
SDMI
SDP
SDP
SDPF
SDRAM
SDRF
SDTV
SDV
SDVoD
SDVOD
SEM
SER
SERDES
SES
SESR
SF
SF
SFA
SFID
SFM
SFM
SFM
SFP
SFP
SG
SG
SGC
SGSN
SGW
SGW
SHA-1
SHDB
SI
SI
SIC
SID
SID
SIFS
SIGTRAN
Service Control Platform
Silicon Controlled Rectifier
Service Capability Server
Serving-Call Session Control Function
Small Computer System Interface
Society of Cable Telecommunications Engineers
Secure Digital
Standard Definition
Switched Digital Broadcast
Service Data Center
Service Degradation Failure
Synchronous Digital Hierarchy
Secure Digital Interface
Secure Digital Input/Output
Software Development Kit
Simple DirectMedia Layer
Severely Degraded Modem Hours
Secure Digital Music Initiative
Service Delivery Platform
Session Description Protocol
Service Policy Decision Function
Synchronous Direct Random Access Memory
Software Defined Radio Forum
Standard Definition Television
Switched Digital Video
Standard Definition Video on Demand
Standard Definition Video-on-Demand
Subscriber Experience Management
Symbol Error Rate
Serializer/Deserializer
Severely Errored Seconds
Severely Errored Seconds Ratio
Service Flow
SuperFrame
Service Flow Authorization
Service Flow Identifier
Service Flow Management
Single-Flow Multicast
Source Filtered Multicast
Small Form-factor Pluggable
Small Form-factor Pluggable
Service Group
Signaling Gateway
Signaling Gateway Controller
Serving GPRS Support Node
Security GateWay
Signaling Gateway
Secure Hash Algorithm version 1
Switched High-Definition Digital Broadcast
Service Information
System Information
Standard Industrial Classification
Service Identifier
Shared Information/Data
Shortest InterFrame Space
Signal Transmission
SIM
SIP
SISO
SLA
LC
SLF
SLIC
SLM
SM
SMB
SMB
SME
SMF
SMPTE
SMS
SMS
SMSC
S-MTA
SMTP
SMx
SNA
SNC
SNG
SNI
SNMP
SNR
SOA
SOA
SOAP
SoC
S-OFDM
SOH
SOHO
SONET
SP
SP
SPAN
S-PDF
SPDF
SPDIF
SPE
Spec.
SPI
SPIT
SPM
SPP
SPR
SPTS
SQL
SQM
SR
RM
SRM
SRM
SRP
SRS
Subscriber Identity Module
Session Initiation Protocol
Single-Input Single-Output
Service Level Agreement
Shorten Last Codeword
Subscription Location Function
Subscriber Line Interface Card
Signal Level Meter
Single Mode
Server Message Block
Small to Medium Business
Small to Medium Enterprise
Single Mode Fiber
Society of Motion Picture and Television Engineers
Service Management System
Short Message Service (or System)
Short Message Service Center
Standalone Multimedia Terminal Adaptor
Simple Mail Transfer Protocol
Segment Manager X
Systems Network Architecture
Sub-Network Connection
Satellite News Gathering
Service-to-Network Interface
Simple Network Management Protocol
Signal-to-Noise Ratio
Semiconductor Optical Amplifier
Service Oriented Architecture
Simple Object Access Protocol
Systems on a Chip
Scalable Orthogonal Frequency Division Multiplexing
State of Health
Small Office/Home Office
Synchronous Optical Network
Service Provider
Single Program
Services & Protocols for Advanced Networks
Service-based - Policy Decision Function
Synchronous Piggybacked Data Flow
Sony/Philips Digital Interface
Synchronous Payload Envelope
Specification
Spending Potential Indexes
SPAM over IP Telephony
Self phase modulation
Serial Port Profile
Subscription Profile Repository
Single Program Transport Stream
Structured Query Language
Sustainable Quality Management
Switch Router
Session and Resource Manager
Session Resource Manager
System Resource Manager
SIP Routing Proxy
Stimulated Raman Scattering
SRTP
SRV
SS7
SSB
SSD
SSF
SSH
SSID
SSL
SSM
SSMF
SSO
SSP
SSP/SIS
StatMux
STB
Std
STG
STL
STM
STM
STP
STS
STS-1
STT
STTD
STUN
Secure Real-time Transport Protocol
Server
Signaling System 7
Single Sideband
Solid State Disk
Services Switching Function
Secure Shell
Service Set Identifier
Secure Sockets Layer
Source Specific Multicast
Standard Single Mode Fiber
Single Sign On
Session Setup Protocol
Shell Session Protocol / Session Initiation System
Statistical Multiplexing
Set-Top Box
Standard
Subscriber Telephony Gateway
Studio-to-Transmitter Link
Synchronous Transfer Mode
Synchronous Transport Module
Spanning Tree Protocol
Synchronous Transport Signal
Synchronous Transport Signal – Level 1
Set-top Terminal
Space Time Transmit Diversity
Simple Transversal of UDP (User Datagram Protocol) Through NAT (Network
Address Translation)
SU
Subscriber Unit
SUT
System Under Test
SVG
Scalable Vector Graphics
SVOD
Subscription Video on Demand
SVOD
Switched Video on Demand
SVP
Secure Video Processor
SW
Software
SWB
Switched Broadcast
SX
Short Reach as in 1000Base-SX
SYNC
Synchronization Profile
SYSLOG System Log
T&B
Traffic & Billing
T1
First level T-Carrier 1 (1.544Mbps Transmission facility)
T3
Third level T-Carrier 3 (44.736Mbps Transmission facility)
TAC
Technical Assistance Center
TAII
Target Attachment Individual Identifier
TB
Terabyte
TBD
To Be Determined
Tbps
Terabits per Second
TC
Transmission Convergence
TCAP
Transaction Capabilities Application Part
TCM
Tandem Connection Monitoring
TCM
Trellis Coded Modulation
TCO
Total Cost of Ownership
TCP
Transmission Control Protocol
TCP/IP
Transmission Control Protocol/Internet Protocol
TCXO
Temperature Controlled Crystal Oscillator
TD-CDMA Time Division-Code Division Multiple Access
TDD
Telecommunication Devices for the Deaf
TDD
Time Division Duplex
TDM
Time Division Multiplexing
TDMA
Time Division Multiple Access
TDMoDOCSIS Time Division Multiplexing over DOCSIS
TDMoIP
Time Division Multiplexing over Internet Protocol
TD-SCDMA Time Division-Synchronous Code Division Multiple Access
TE
Traffic Engineering
TEC
Triggered Event Command
TELR
Talker Echo Loudness Rating
TFF
Thin Film Filter
TFTP
Trivial File Transfer Protocol
TG
Task Group
TGCP
Trunking Gateway Control Protocol
TGS
Ticket Granting Server
THz
Terahertz
TIA
Telecommunication Industry Association
TIA
TransImpedance Amplifier
TIPHON
Telecommunications & Internet Protocol Harmonization Over Networks
TISPAN
Telecom & Internet Services & Protocols for Advanced Networks
TKIP
Temporal Key Integrity Protocol
TL1
Transaction Language One
TLS
Transparent LAN Service
TLS
Transport Layer Security
TLV
Type, Length, Value
TMPLS
Transport MPLS
TN
Telephone Number, Timeslot Number, Telecommunications Network, Transit Node
TNCS
Transmission Network Control System
TOADM
Tunable Optical Add/Drop Multiplexer
TOD
Television on Demand
ToD
Time of Day
ToF
Time of Flight
TOS
Theft of Service
TOS
Type of Service
TPL
TDM Private Line
TR
Technical Reference
TRCF
Transport Resource Control Function
TrGW
Translation Gateway
TRI
Telephony Return Interface
TRP
Target Rating Points
tRTO
TCP Retransmit Timeout
TS
Transport Stream
TSI
Time Slot Interchange
TSID
Transport Stream Identifier
TSP
TDM Service Processor
T-SPEC
Traffic SPECification
TSR
Technical Service Representative
TSS
Telephony Switching Sub-System
TTL
Time To Live
TTLS
Tunnel Transparent Layer Security
TTY
TeleTYpe
TURN
Traversal Using Relay NAT (Network Address Translation)
TV
Television
TVOD
Television on Demand
TWAMP
Two-Way Active Measurement Protocol
TWC
Time Warner Cable
TX
TxMER
TXOP
U/S
UA
U-ASPD
UBR
UCC
UCD
UCID
UDDI
UDLR
UDP
UDP/IP
UDSL
UDWDM
UE
UEQ
UGC
UGS
UGS/AD
UHF
UI
UKL
UL
UMA
UML
UMTS
UNC
UNE
UNE-P
UNI
UNI-C
UNI-CE
U-NII
UNI-N
UPA
uPE
UPnP
UPS
URI
URL
US
USB
USD
USF
USM
USRM
UTI
UTP
UTRAN
UWB
V
V/A
VAC
VAD
Transmit or transmitter
Transmit Modulation Error Ratio
Transmission Opportunity
Upstream
User Agent
Unscheduled - Automatic Power Save Delivery
Unspecified Bit Rate
Upstream Channel Change
Upstream Channel Descriptor
Upstream Channel Identifier
Universal Description, Discovery and Integration
Uni-Directional Link Routing
User Datagram Protocol
User Datagram Protocol/Internet Protocol
Unidirectional Digital Subscriber Line
Ultra Dense Wave Division Multiplex
User Equipment
Universal Edge QAM
User Generated Content
Unsolicited Grant Service
UGS with Activity Detection
Ultra High Frequency
User Interface
Unit Key List
Uplink
Unlicensed Mobile Access
Unified Modeling Language
Universal Mobile Telecommunications System
UMA (Unlicensed Mobile Access) Network Controller
Unbundled Network Element
Unbundled Network Element - Platform
User Network Interface
User Network Interface – Customer (Network)
User Network Interface – Customer Edge
Unlicensed National Information Infrastructure
User Network Interface – (Provider) Network
Usability Professionals’ Association
User (Device) Provider Edge
Universal Plug and Play
Uninterruptible Power Supply
Uniform Resource Identifier
Uniform Resource Locator
Upstream
Universal Serial Bus
United States Dollar(s)
Universal Service Fund
User-based Security Model
Universal Session Resource Management
Universal Transport Interface
Unshielded Twisted Pair
UMTS Terrestrial Radio Access Network
Ultra Wideband
Voltage
Video/Audio
Volts Alternating Current
Voice Activity Detection
VAG
VAR
VAS
VBI
VBR
VBR
VBR-NRT
VBR-RT
VC
VC1
VC-1
VC-1
VCAT
VCC
VCC
VCI
VCM
Vco
VCR
VDC
VDSL
VDSL2
VER
VHF
VHS
VL2SI
VLAN
VLL
VLR
VLSM
VM
VMM
VN
VoD
VODoIP
VoDSL
VoIP
VoWi-Fi
VP
V-PCRF
VPI
VPL
VPLS
VPLS
VPN
VPWS
VQ
VQI
VRAM
VRF
VRN
VRNAV
VRTX
VS
VSA
VSAT
Voice Access Gateway
Value Added Reseller
Value Added Service
Vertical Blanking Interval
Variable Bit Rate
Variable Bit Rate
Variable Bit Rate – Non-Real Time
Variable Bit Rate – Real Time
Virtual Channel, Virtual Circuit
Video Codec 1
Video Coding 1 (Formerly VC-9--Soon to be known as SMPTE 421M)
Video Compression 1 (Formerly VC-9--Soon to be known as SMPTE 421M)
Virtual Concatenation
Voice Call Continuity
Voice Call Continuity
Virtual Channel Identifier
Variable Coding and Modulation
Voltage Cut Off
Video Cassette Recorder
Volts Direct Current
Very High-bit-rate Digital Subscriber Line
Very High-bit-rate Digital Subscriber Line 2
Virtual Ethernet Ring
Very High Frequency
Video Home System
Virtual LAN to Serial Interface
Virtual Local Area Network
Virtual Leased Line
Visitor Location Register
Variable Length Subnet Mask
Virtual Machine
Vehicular Modem Module
Voltage Null
Video on Demand
Video on Demand over Internet Protocol
Video over Digital Subscriber Line
Voice over Internet Protocol
Voice over Wi-Fi
Voltage Peak
Visited Policy and Charging Rules Function
Virtual Path Identifier
Virtual Private Line
Virtual Private Label Service
Virtual Private LAN Service
Virtual Private Network
Virtual Private Wire Service
Vector Quantization
Voice Quality Index
Video Random Access Memory
Virtual Routing and Forwarding Tables
Video-Rich Navigation
Video-Rich Navigation Audio/Visual
Virtual Real-Time Extension
Video Server
Vector Signal Analyzer
Very Small Aperture Terminal
VSB
VSG
VSI
VT
VTS
W
WAG
WAN
WAP
WAV
WCD
WCDMA
WCM
WCMTS
WDM
WECA
WEP
WFA
WFM
WFM
WFQ
-Fi
WiMAX
WiMax
WiMedia
WIN
WIP
WIWWIW
WLAN
WLL
WM
WM
WM9
WMA
WMAN
WMC
WME
WMM
WMM-SA
WMV
WOFDM
WPA
WPA2
WPA-FSK
WPAN
WPE
WRED
WSDL
WSDL
WSS
WW
WWDM
WWRF
WWW
XAIT
XAUI
Vestigial Sideband
Vector Signal Generator
Virtual Switch Interface
Virtual Tributary
Video Transport Service
Watt
Wireless Access Gateway
Wide Area Network
Wireless Access Point
Windows Wave
Wideband Channel Descriptor
Wireless Code Division Multiple Access
Wideband Cable Modem
Wideband Cable Modem Termination System
Wave Division Multiplex(ing)
Wireless Ethernet Compatibility Alliance
Wired Equivalent Privacy
Workforce Automation
Wideband FM
Workforce Management
Weighted Fair Queuing
Wireless Fidelity
Wireless Microwave Access
Worldwide Interoperability for Microwave Access
An alliance for Wireless Multimedia
Wireless Intelligent Network
Work in Process
“What I Want When I Want”
Wireless Local Area Network
Wireless Local Loop
Wave Mixing
Wave Multiplexing
Windows Media Player, version 9
Windows Media Audio
Wireless Metropolitan Area Network
Wireless Modem Card
Wireless Multimedia Extension
Wi-Fi MultiMedia
Wi-Fi MultiMedia Standards Association/Alliance
Windows Media Video
Wavelet Orthogonal Frequency Division Multiplexing
Wireless (Wi-Fi) Protected Access
Wireless (Wi-Fi) Protected Access 2
Wireless (Wi-Fi) Protected Access with Pre-Shared Key
Wireless Personal Area Network
Wireless Plant Extension
Weighted Random Early Detection
Web Services Definition Language
Web Services Description Language
Wavelength Selective Switch
Worldwide
Wide WDM
Wireless World Research Forum
World Wide Web
Extended Application Information Table
10 Gigabit Ethernet Attachment Unit Interface
xDSL
XENPAK
XFP
XHTML
XMI
XML
XMOD
xOD
XPM
xPON
xVOD
xWDM
y/y
ZWP
ZWPF
Any variant of the Digital Subscriber Line technology
Fiber Optic Transceiver Module conforming to 10GigE Standard
10-Gigabit Small Form-factor Pluggable GBIC Module
Extensible Hypertext Markup Language
XML Metadata Interchange
Extensible Markup Language
Cross Modulation
X-service on Demand (i.e., Movies on Demand)
Cross-Phase Modulation
X version of Passive Optical Network
X version (or form) of Video on Demand (i.e., Subscription, Near, etc.)
Non-specific form of Wave Division Multiplex
Year Over Year
Zero Water Peak
Zero Water Peak Fiber