Abstract
It has been reported that Internet Protocol (IP) packet traffic exhibits self‐similarity or long range dependence (LRD) and causes the degradation of switch performance. Therefore, it is crucial for an appropriate buffer design of a switch. In this paper, we investigate delay behavior of the switch under self‐similar variable length packet traffic by modeling it as MMPP/M/1/K queueing system wherein MMPP (Markov‐Modulated Poisson Process) is fitted by equating the variance of MMPP and that of self‐similar traffic. MMPP model is already validated one to emulate the self‐similar characteristics. Voids that will occur because of variability in packet length is considered. We investigate mean delay against system parameters, traffic parameters and fitting parameters. Numerical results show that analysis presented in this paper is useful in dimensioning the switch.
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