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1 Journal of Telecommunications and Information Technology

1 2013

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Traffic type influence on performance of OSPF QoS routing

Czarkowski M., Kaczmarek S., Wolff M.

Journal of Telecommunications and Information Technology

2013

nr 3

19--28

Feasibility studies with QoS routing proved that the network traffic type has influence on routing performance. In this work influence of self-similar traffic for network with DiffServ architecture and OSPF QoS routing has been verified. Analysis has been done for three traffic classes. Multiplexed On-Off model was used for self-similar traffic generation. Comparison of simulation results was presented using both relative and non-relative measures for three traffic classes. Results were commented and analyzed. The basic conclusion is that performance for streaming and best-effort class for self-similar traffic is higher than performance for the same class with exponential traffic (Poisson). The other important conclusion is relation between performance differences and offered traffic amount.