See also backbone bridges;
provider bridges
clouds of, 375??“376
connecting to switches, 10
and C-tagged interfaces, 390??“391
and effective use of spanning tree
protocols, 399??“404
failure of, 402??“403
and flooded unicast frames,
403??“404
function of, 376??“378
and in-band signaling, 380
initialization of, 377
and redundancy, 378??“380
role in LANs, 9
and STP (Spanning Tree
Protocol), 379??“380
support for 3-bit priority field in
Q-tag, 383
and S-VLAN tags, 384??“386
versus switches, 377
VLANs (Virtual LANs), 381??“382
bridging
application of, 411??“412
benefits and shortcomings of,
412??“414
deployment scenarios for, 414??“415
drivers for, 411
economic assessment of, 418??“419
limitations of, 412
ongoing developments in, 416??“418
versus routing, 380??“381
bridging solutions
support for, 506??“511, 513
vendors of, 419
broadband solutions, use of, 172
Broadcast Frame Delivery,
explanation of, 67
broadcast storms, relationship to
bridges, 379
bucket concept, applying to trTCM
algorithm, 64
bundling service attribute, overview
of, 68??“69
business Ethernet services, EoMPLS
deployment scenario for,
463??“464
BWA (Broadband Wireless Access)
technology, WiMAX as, 469
C
cable CMTS traffic, aggregation
of, 119
cable modem termination system
(CMTS), use with hybrid fibercoax,
151??“153
cable modems (CMs).
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