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Acronym
Full spelling
TLS
Transparent LAN Service
TLV Type-Length-Value
ToS
Type of Service
TP Traffic
Policing
TPID
Tag Protocol Identifier
TRIP Trigger
RIP
TS Traffic
Shaping
TTL
Time to Live
TTY
True Type Terminal
U
Return
U/L Universal/Local
UDP
User Datagram Protocol
UPE
Under-layer PE or User-end PE
URL Uniform
Resource
Locators
URPF
Unicast Reverse Path Forwarding
USM
User-Based Security Model
V
Return
VBR
Variable Bit Rate
VCI
Virtual Channel Identifier
VE Virtual
Ethernet
VF Virtual
Forwarder
VFS
Virtual File System
VLAN
Virtual Local Area Network
VLL
Virtual Leased Lines
VOD
Video On Demand
VoIP
Voice over IP
VOS
Virtual Operate System
VPDN
Virtual Private Dial-up Network
VPDN
Virtual Private Data Network
VPI
Virtual Path Identifier
VPLS
Virtual Private Local Switch
VPN Virtual
Private
Network
VRID
Virtual Router ID
VRRP
Virtual Router Redundancy Protocol
VSI
Virtual Switch Interface