Performance of a partially shared priority buffer with correlated arrivals

Authors:
Dieter Fiems;Joris Walraevens;Herwig Bruneel
Affiliations:
SMACS Research Group, Department TELIN, Ghent University, Gent, Belgium;SMACS Research Group, Department TELIN, Ghent University, SMACS Research Group, Department TELIN, Ghent University, Gent, Belgium;SMACS Research Group, Department TELIN, Ghent University, SMACS Research Group, Department TELIN, Ghent University, Gent, Belgium
Venue:
ITC20'07 Proceedings of the 20th international teletraffic conference on Managing traffic performance in converged networks
Year:
2007

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Abstract

In this paper, we analyse a finite sized discrete time priority buffer with two types of packet arrivals, referred to as class 1 and class 2 packets. Packets of both classes arrive according to a discrete batch Markovian arrival process, taking into account the correlated nature of arrival processes in heterogeneous telecommunication networks. Packets of class 1 are assumed to have both space priority and transmission priority over packets of class 2. In particular, the partial buffer sharing acceptance policy is adopted as space priority mechanism. Using a matrix analytic approach, the buffer content is analysed and through some numerical examples, the impact of the priority scheduling, the threshold and the correlation in the arrival process is demonstrated.