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Automatic Power Provisioning
APS
Automatic Protection Switching
ATM
Asynchronous Transfer Mode
BER
Bit-Error Rate
BGP
Border Gateway Protocol
BLSR
Bidirectional Line-Switched Ring
BTDU
Bridge Protocol Data Units
COMET
Complete Optical Multiservice Edge and Transport
CoS
Class of Service
CPU
Central Processing Unit
DCC
Data Communications Channel
DPT
Dynamic Packet Transport
DS
Digital Signal
DWDM
Dense Wavelength Division Multiplexing
EDFA
Erbium-Doped Fiber Amplifier
EoMPLS
Ethernet-over–MPLS
FCI
Frame Copy Indication
FEC
Forward Error Correction
FIT
Failure In Time
FWM
Four-Wave Mixing
GHz
Gigahertz
GMPLS
Generalized Multiprotocol Label Switching
GUI
Graphical User Interface
IEEE
Institute of Electrical and Electronic Engineers
IETF
Internet Engineering Task Force
IP
Internet Protocol
IS–IS
Intermediate System–to–Intermediate System
LAN
Local-Area Network
LEM
Line Extender Module
LSR
Label-Switched Router
MAC
Media Access Control
MAN
Metro-Area Network
MPLS
Multiprotocol Label Switching
NIC
Network Interface Card
NNI
Network-to-Network Interface
O–E–O
Optical-to-Electrical-to-Optical
O–UNI
Optical User-to-Network Interface
O–UNI–C
Optical User-to-Network Interface Client
O–UNI–N
Optical User-to-Network Interface Network
OAM&P
Operations, Administration, Maintenance, and Provisioning
OC
Optical Carrier
OOB FEC
Out-of-Band Forward Error Correction
OSNR
Optical Signal-to-Noise Ratio
OSPF
Open Shortest Path First
OTN
Optical Transport Network
PHY
Universal Physical-Layer
PNNI
Private Network-to-Network Interface
POP
Point of Presence
PPMN
Path Protected Meshed Network
QoS
Quality of Service
RPR
Resilient Packet Ring
RXT
Receive Transponders
SDCC
SONET Data Communications Channel
SDH
Synchronous Digital Hierarchy
SLA
Service-Level Agreement
SONET
Synchronous Optical Network
SRP
Spatial Reuse Protocol
TDM
Time Division Multiplexing (T1, T3, E1, etc.)
TLS
Transparent LAN Services
UCP
Universal Control Plane
UNI
User-to-Network Interface
UPSR
Unidirectional Path-Switched Ring
VLAN
Virtual LAN
VTP
VLAN Trunking Protocol
WAN
Wide-Area Network
WDM
Wavelength Division Multiplexing
XPM
Cross-Phase Modulation
