See VPLS (Virtual Private LAN
Services)
Virtual Private Network (VPN),
definition of, 60
Virtual Router Redundancy Protocol
(VRRP), using with bridges,
385
VLAN (Virtual LAN) tagging option,
availability in Ethernet frame,
6??“7
VLAN and MAC address pruning,
relationship to bridges,
382??“383
VLAN IDs (VIDs), use of, 6??“7
VLAN tag support, relationship to
service frame delivery, 68
VLANs (Virtual LANs)
and bridges, 381??“382
and flooded unicast frames,
403??“404
limitation relative to bridges,
392??“394
VoD applications, evolution of, 174
voice services, delivery of, 356
VoIP (Voice over IP)
growth of, 136
transition to, 194
VoIP traffic, projections of, 369??“370
VPLS (Virtual Private LAN
Services)
applications for, 443
goal for, 446
IP multicast in, 448
VPLS architecture, components of,
443??“444
VPLS forwarding, overview of,
444??“445
VPLS ingress replication problem,
solving, 465??“466
VPLS OAM, overview of, 448??“449
VPLS scaling, overview of,
446??“448
VPLS signaling, rules for, 445??“446
VPN (Virtual Private Network),
definition of, 60
VRRP (Virtual Router Redundancy
Protocol), using with
bridges, 385
W
WAN connections, examples of, 107
WAN costs, reducing, 109
WANs (Wide Area Networks)
comparing to LANs, 25
development of, 22??“26
wavelength monitoring, considering
in optical networks, 212??“213
WDM (Wavelength Division
Multiplexing)
use with EPONs, 181??“184
use with fiber-optic networks,
197??“198
WDM networking, advances in, 226
WDM PON systems, tree-andbranch
topology of, 182??“183
WDM solution, support for,
506??“511, 513
weather, impact on FSO systems,
243??“245
White, Greg, 147
WiFi access networks
growth of, 253
interconnecting, 258
Wiltel Communications, use of IEEE
802.
Pages:
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202