ACRONYMS

10GbE: 10-Gigabit Ethernet
AAA: Authentication, Authorization, & Accounting
ABR: Available Bit Rate
ACL: Access Control List
ADM: Add Drop Muxes
ADSL: Asymmetric Digital Subscriber Line
ANSI: American National Standards Institute
AP: Access Point
API: Application Program Interface
APS: Automatic Protection Switching
ARP: Address Resolution Protocol
ARPU: Average Revenue per User
AS: Autonomous System
ASIC: Application-Specific Integrated Circuit
ASP: Application Service Provider
ATM: Asynchronous Transfer Mode
BGP: Border Gateway Protocol
BOND: Bandwidth on Demand
BPDU: Bridge Protocol Data Units
BSS: Business Support System
CAGR: Compound Annual Growth Rate
CAPEX: Capital Expenditure
CAR: Committed Access Rate
CATV: Cable Television
CBR: Constant Bit Rate
CHAP: Challenge Handshake Authentication Protocol
CIR: Committed Information Rate
CLEC: Competitive Local Exchange Carrier
(ie: MCI, Sprint, etc.)
CLI: Command Line Interface
CMTS: Cable Modem Termination System
CO: Central Office
CORBA: Common Object Request Broker
Architecture
CoS: Class of Service
CPE: Customer Premise Equipment
CR-LDP: Constraint-Based LDP
CSMA/CD: Carrier Sense Multiple Access/
Collision Detection
CSP: Content Service Provider
CSPF: Constraint-based Shortest Path First
DBS: Direct Broadcast Satellite
DHCP: Dynamic Host Configuration Protocol
DiffServe: Differential Services IETF Standard
DLL: Data Link Layer
DOCSIS: Data Over Cable System Interface Specification
DS1/DS3: Digital Signal, Level 1
(1.54 Mbps) or 3 (44.7 Mbps)
DSCP: DiffServ Code Point
DSL: Digital Subscriber Line
DSLAM: DSL Access Multiplexer
DTV: Digital TV
DXC: Digital Cross Connects
E1/E2: European Trunk 1/2 (2 Mbps/34.3 Mbps)
EAP: Extensible Authentication Protocol
EAPoL: Extensible Authentication Protocol over LAN
EBITDA: Earnings Before Interest, Taxes,
Depreciation, and Amortization
ECTA: European Communities Trademark Association
EFM: Ethernet in the First Mile
EJB: Enterprise Java Bean
EMS: Element Management System
EoATM: Ethernet over ATM
ERP: Enterprise Resource Planning
ESP: Ethernet Service Provider
EtherLEC (or ELEC): Ethernet Local Exchange Carriers
EXP: Experimental bits
FCAPS: Fault, Configuration, Accounting,
Performance, and Security
FDDI: Fiber Distributed Data Interface
FEC: Forwarding Equivalence Class
FRAD: Frame Relay access device
GARP: Generic Attribute Register Protocol
GMPLS: Generalized MPLS
GVRP: GARP VLAN
HDSL: High-data-rate DSL
HDTV: High Definition TV
HFC: High Frequency Cable
HPR: Hitless Protocol Restart
HPS: Hitless Protection System
HSSI: High Speed Serial Interface
IANA: Internet Assigned Numbers Authority
IBGP: Internal Border Gateway Protocol
IDL: Interface Definition Language
IDTV: Interactive Digital TV
IEEE: Institute of Electrical and Electronic Engineers
IETF: Internet Engineering Task Force
IGMP: Internet Group Management Protocol
IGP: Interior Gateway Protocol
Ion SDK: Ion Software Developer’s Kit
IP: Internet Protocol
IS-IS: Intermediate Systems to Intermediate Systems
ISP: Internet Service Provider
ITU: International Telecommunications Union
IXC: Inter-exchange Carrier
Kbps: Kilobits per second
(1 Kilobit = 1,024 binary digits)
LAN: Local Area Network
LDP: Label Distribution Protocol
LEC: Local Exchange Carrier
LER: Label Edge Router
LFAP: Lightweight Flow Accounting Protocol
LSP: Label Switched Path
LSR: Label Switched Router
MAC: Media Access Control
MAN: Metropolitan Area Network
Mbps: Megabits per second
(1 Megabit = 1,048,768 binary digits)
MCDN: Microcellular Data Network
MDI: Media Dependent Interface
MDU: Multiple Dwelling Unit
MIB: Management Information Base
MLPPP: Multi-Layer Point-to-Point Protocol
MMDS: Multi-point Multi-channel Distribution System
MMF: Multi-mode fiber
MPEG: Moving Picture Experts Group
MPLS: Multi-Protocol Label Switching
MPPP: Multi-link PPP
MSN: Management Network Server
MSP: Metropolitan Service Provider
MSTP: Multiple Spanning Tree Protocol
MTBF: Mean Time Between Failure
MTU: Multiple Tenant Unit
MVST: Multiple-VLAN Spanning Tree
NAT: Network Address Translation
NEBS: Network Equipment Building Systems
NLP: Network Layer Protocol
NMS: Network Management System
OAM: Operations, Administration, and Maintenance
OC-3/OC-12: Optical Carrier 3/12 (155 Mbps/622 Mbps)
OPEX: Operational Expenditure
OSI: Open System Interconnection
OSPF: Open Shortest Path First
OSS: Operation and System Support or
Operational Support Systems
PAE: Port Access Entry
PAT: Port Address Translation
PCS: Physical Coding Sublayer
PDU: Protocol Data Units
PE: Provider Edge
PEF: Packet over Ethernet over Fiber
PES: Packet over Ethernet over SONET-based optical
PEW: Packet over Ethernet over WDM-based optical
PHY: Physical Layer
PIM: Protocol-Independent Multicast;
or Personal Information Manager
PMA: Physical Media Attachment
PMD: Physical Media Dependent
PON: Passive Optical Networking
POP: Point of Presence
POS: Packet over SONET
PPP: Point to Point Protocol
PPPoE: Point to Point Protocol over Ethernet
PSTN: Public Switch Telephone Network
PVC: Private Virtual Circuit
PVST: Per-VLAN Spanning Tree
QoS: Quality of Service
RADIUS: Remote Authentication Dial-in User Service
RAS: Remote Access Services
RBOC: Regional Bell Operating Company
(ie: PacBell, etc.)
RED: Random Early Discard
RF: Radio Frequency
RFC: Request for Comments
RMC: RapidOS Management Center
RMON: Remote Monitoring
RPR: Resilient Packet Ring
RRST: Rapid Ring Spanning Tree
RSTP: Rapid Spanning Tree Protocol
RSVP: Resource Reservation Protocol
RSVP-TE: RSVP-Traffic Engineering
rt-VBR: real-time Variable Bit Rate
SAN: Storage Area Network
SAP: Session Announcement Protocol
SDH: Synchronous Data Hierarchy
SDSL: Symmetric DSL
SFP: Short Formfactor Pluggable
SLA: Service Level Agreement
SMF: Single-mode fiber
SNMP: Simple Network Management Protocol
SPoF: Single Points of Failure
SONET: Synchronous Optical Network
SONET/SDH: Synchronous Optical Network/
Synchronous Digital Hierarchy
SPoF: Single Points of Failure
SRP: Spatial Reuse Protocol
STP: Spanning Tree Protocol
T1: Trunk 1 (1.544 Mbps)
TCO: Total Cost of Ownership
TCP/IP: Transmission Control
Protocol/Internet Protocol
TDM: Time Division Multiplexing
TLS: Transparent LAN Service
TNM: Telecommunication Network Management
TOS: Terms of Service, or Type of Service
TTL: Time-to-Live
UBR: Undefined Bit Rate
UDP: User Datagram Protocol
UMTS: Universal Mobile Telecommunication
System
UTRAN: Universal Terrestrial Radio Access Network
VAS: Value-added Services
VBR: Variable Bit Rate
VDSL: Very-high-bit-rate Digital Subscriber Line
VLAN: Virtual LAN
VoD: Video on Demand
VoIP: Voice over IP
VPLS: Virtual Private LAN Services
VPN: Virtual Private Network
VRC: Virtual Router Cluster
VRRP: Virtual Router Redundancy Protocol
WAN: Wide Area Network
WCDMA: Wideband Code Division Multiple Access
WDM: Wave Division Multiplexing
WEP: Wired Equivalent Privacy
WFQ: Weighted Fair Queuing
WRED: Weighted Random Early Discard
xDSL: All types of Digital Subscriber Lines
(ADSL, SDSL, HDSL, and VDSL)
XGMII: 10G Media Independent Interface

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