Analysis of Network Traffic in Switched Ethernet Systems

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A 100 Mbps Ethernet link between a college campus and the outside world was monitored with a dedicated PC and the measured data analysed for its statistical properties. Similar measurements were taken at an internal node of the network. The networks in both cases are a full-duplex switched Ethernet. Inter-event interval histograms and power spectra of the throughput aggregated for 10ms bins were used to analyse the measured traffic. For most investigated cases both methods reveal that the traffic behaves according to a power law. The results will be used in later studies to parameterise models for network traffic.