Selection of defuzzification method for routing metrics in MPLS network to obtain better crisp values for link optimization

Authors:
Arianit Maraj;Besnik Shatri;Skender Rugova
Affiliations:
Telecommunication Department, Post and Telecommunication of Kosova, Republic of Kosova;Telecommunication Department, Post and Telecommunication of Kosova, Republic of Kosova;Telecommunication Department, Post and Telecommunication of Kosova, Republic of Kosova
Venue:
ICOSSSE'08 Proceedings of the 7th WSEAS international conference on System science and simulation in engineering
Year:
2008

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Abstract

The complexity of networks that offers multimedia services requires the consideration of multiple routing metrics for routing decisions. The most important metrics that should be considered for multimedia services are: delay, bandwidth, jitter, losses etc. This paper treats three network metrics as input parameters of fuzzy logic controller: delay, losses and bandwidth. As we know, the output of fuzzy logic controller depends from selection of defuzzification method. The aim is to obtain better values of link optimization in MPLS network using appropriate defuzzification method. Also, in this paper we will make some analysis with MATLAB to show which defuzzification method is the best one for better link utilization.