Index_Q

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Q

QoS (Quality of Service)

additional resources, 222

and bandwidth, 195

decision points, 6

end-to-end, 214–216

introduction, 188–190

measurement systems, 126

measurements, 51–52

measuring in data networks, 190–196

mediation for dropped packets, jitter, latency, 192–195

in MPLS networks, 201–216

in MPLS without markings, 209

network under test for calls, 193

packet marking, 196–197

in routed networks, 83

traffic mapping and, 33

under-provisioning and, 58, 112

queuing management, 198

Qwest, 228

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