MPLS --> Multi Protocol Label Switching
GMPLS --> Generalized Multi Protocol Label Switching
IP --> Internet Protocol
ATM --> Asynchronous Transfer Mode
QoS --> Quality of Service
TE --> Trafic Engineering
LSR --> Label Switching Router
LER --> Label Edge Router
FEC --> Foward Equivalence Class
ToS --> Type of Service
CoS --> Class of Service
LSP --> Label Switched Path
RSVP --> Resource Reservation Protocol
OSPF --> Open Shortest Path Fisrt
LDP --> Label Distribution Protocol
BGP --> Border Gateway Protocol
LIB --> Label Information Base
FIB --> Fowarding Information Base
LFIB --> Label Forwarding Information Base
NHLFE --> Next Hop Label Forwarding Entry
ILM --> Incoming Label Map
FTN --> FEC-to-NHLFE Map
GRE --> Generic Routing Encapsulation
VPN --> Virtual Private Netwok
VRF --> Virtual Private Netwok Routing and Fowarding
AS --> Autonomous Systems
ISP --> Internet Service Provider
PCE --> Path Computation Element
SP --> Service Provider
CE --> Consumer Edge
PE --> Provider Edge
IPSec --> IP Security Tunel
PPP --> Point to Point Protocol
PPTP --> Point to Point Tuneling Protocol
SSL --> Secure Socket Layer
L2TP --> Layer 2 Tunneling Protocol
SONET --> Synchronous optical networking
LMP --> Link Management Protocol
UHD --> Ultra High Definition
WDM --> Wavelenght Division MUltiplexing