Publication: Fuzzy logic bandwidth prediction and policing in a DiffServ-aware network
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Date
2008
Authors
Md Din N.
Fisal N.
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Abstract
Differentiated Services (DiffServ)-aware network potentially can provide the next generation platform for multimedia support in the Internet In this work we look at improving bandwidth allocation in such a network. We study how to implement bandwidth predicting and policing in a DiffServ aware network using fuzzy logic. A token bucket fuzzy logic bandwidth predictor for real time variable bit rate traffic class is proposed. Here, the AF traffic class is associated with real time variable bit rates traffic. The fuzzy logic bandwidth predictor facilitates bandwidth predicting and dynamic policing based on the class based packet aggregates. This improves the admission control of connections to the network. A simulation study was performed for the fuzzy logic predictor using Network Simulator-2. The simulation results show that the fuzzy logic predictor gave commendable bandwidth prediction value compared to a deterministic bandwidth allocation for the traffic class. � 2008 Academy Publisher.
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Keywords
Bandwidth prediction , DiffServ , Fuzzy logic , Policing , Bandwidth , Computer networks , Forecasting , Frequency modulation , Fuzzy inference , Fuzzy sets , Fuzzy systems , Information technology , Internet , Law enforcement , Metropolitan area networks , Multimedia services , Network protocols , Routers , Variational techniques , Video signal processing , Admission control (AC) , bandwidth allocations , bandwidth prediction , Bit rate (bpp) , Class based , Connections (structural) , Diff-Serv , Differentiated services (Diff Serv) , Multimedia support , Network simulator (ns-2) , Real-time variables , simulation results , Simulation studies , token buckets , Fuzzy logic