10G – 10 Gbps (gigabits per second)
100G – 100 Gbps (gigabits per second)
200G – 200 Gbps (gigabits per second)
3G – 3rd generation of mobile telecommunications technology
4G- 4th generation of mobile telecommunications technology
5G – 5th generation of mobile telecommunications technology
5 9’s – 99.999% network reliability equalling 31 seconds of unplanned downtime per year
API – Application Programming Interface
APS – Automatic Protection Switching
ATM – Asynchronous Transfer Mode
BLSR – Bidirectional Line-Switched Ring
CES – Circuit Emulation Service
CLEC – Competitive Local Exchange Carrier (aka, telephone company)
CLI – Command Line Interface
CORBA – Common Object Request Broker Architecture
CWDM – Coarse Wavelength Division Multiplexing
DCC – Data Communications Channel
DCS – Digital Cross Connect System
DOT – Department of Transportation
DSLAM Digital Subscriber Line Access Module
DWDM – Dense Wavelength Division Multiplexing
EDFA Erbium-Doped Fiber Amplifier
EMS – Element Management System
EoS Ethernet over SONET SMF Single Mode Fiber
FOC – Fiber Optic Characterization
IEEE 802.1ag Connectivity Fault Management (CFM)
ILEC – Incumbent Local Exchange Carrier (aka, telephone company)
IOC – Independent Operating Company (aka, telephone company)
ISP – Internet Service Provider
ITS – Intelligent Transportation System
ITU-T.1731 – Performance Monitoring & Fault Detection
ITU-Y.1564 – Service Activation Test
IXC – Interexchange Carrier (aka, long distance telephone company)
JSON – JavaScript Object Notation
MPLS – Multiple Protocol Label Switching
MPLS-TP – Multiple Protocol Label Switching – Transport Profile
NETCONF – Network Configuration Protocol
NFV – Network Function Virtualization
NMS – Network Management System
NOC – Network Operations Center
OA&M – Operations, Administration and Maintenance
OADM – Optical Add/Drop Multiplexer
OAM&P Operations, Administration, Maintenance and Provisioning
ODC – netFLEX Optical Domain Controller
OLC – Optical Line Card
OS – Operating Systems
OSI Model – Open Systems Inconnection
OSPF – Open Shortest Path First
OSS – Operation Support System
OTN – Optical Transport Network
PM – Performance Monitoring
R&D – Research and Development
RBOC – Regional Bell Operating Company (e.g., Verizon)
REST – Representational State Transfer
ROADM – Reconfigurable Optical Add Drop Multiplexer
RTS – Remote Technical Support
SCADA – Supervisory Control and Data Acquisition
SDN – Software Defined Networking
SNMP – Simple Network Management Protocol
SONET – Synchronous Optical Network
STS – Synchronous Transport Signal
TAC – Technical Assistance Center
TDM – Time Division Multiplexing
WDM – Wavelength Division Multiplexing
