Abbreviations Full Characteristics
NGN Next Generation Network
OAM Operations Administration and Maintenance
OPEX Operation Expense
OSPF Open Shortest Path First
PIM Protocol Independent Multicast
PIM-DM Protocol Independent Multicast-Dense Mode
PIM-SM Protocol Independent Multicast-Sparse Mode
PIM-SSM Protocol Independent Multicast-Source Specific Multicast
PSN Packet Switch Network
PUPSPV Per User Per Service Per VLAN
PVLAN Private VLAN
PW Pseudo-wire
PWE3 PW Emulation End to End
RED Random Early Detection
RIP Routing Information Protocol
RNC Radio Network Controller
RP Rendezvous Point
RSTP Rapid Spanning Tree Protocol
SDH Synchronous Digital Hierarchy
SLA Service Level Agreement
SMS Service Management System
SNMP Simple Network Management Protocol
SSM Source Specific Multicast
STP Spanning Tree Protocol
SyncE Synchronous Ethernet
SVLAN Select VLAN
TCO Total Cost of Ownership
TCP Transport Control Protocol
TDM Time Division Multiplex and Multiplexer
TL1 Transaction Language 1
TM Traffic Manager
UDP User Datagram Protocol
URPF Unicast Reverse Path Forwarding
VOIP Voice over IP
VPLS Virtual Private Lan Service
VPN Virtual Private Network
VPWS Virtual Private Wire Service
VRF Virtual Routing and Forwarding
VRRP Virtual Router Redundancy Protocol