Table of Contents
Simulation and Analysis of Quality of Service Parameters in IP Networks with Video Traffic
Road map
Objectives
Background and previous work
Video traffic
Transmission of MPEG over IP
QoS parameters that we consider
Packet loss
Packet loss episodes: definition
Packet delay
Road map
ns-2 network simulator
Simulation topology
MPEG traces
MPEG traces
MPEG traces
Comparison of queuing mechanisms
Road map
FIFO/DropTail queuing scheme
Packet loss analysis
Contribution of loss episodes and lost packets
Contribution of loss episodes and lost packets
Aggregate packet loss: buffer size
Aggregate packet loss: traffic load
Aggregate packet loss: traffic load
Aggregate packet loss: traffic load
Per-flow packet loss: buffer size
Packet delay distribution
Buffer occupancy probability
Packet delay autocorrelation (1)
Packet delay autocorrelation (2)
Packet delay autocorrelation (3)
Simulation results: other schemes
Random Early Drop (RED)
RED simulation results
Per-flow packet loss: buffer size
Packet delay distribution (1)
Packet delay distribution (2)
Per-flow load, throughput, and loss
Per-flow load, throughput, and loss
Simulation details
FQ, SFQ, DRR structure
FQ, SFQ, DRR structure
FQ, SFQ, DRR structure
FQ, SFQ, DRR structure
FQ, SFQ, DRR structure
Simulation scenario
Per-flow packet loss: queuing scheme
Per-flow packet loss: queuing scheme
Packet delay distribution: queuing scheme
Packet delay distribution: queuing scheme
Per-flow load, throughput, and loss
Per-flow load, throughput, and loss
Per-flow load, throughput, and loss
Conclusions
Conclusions (cont.)
Future work
Future work (cont.)
References
References (cont.)
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