An efficient policing mechanism for Markov model-based traffic descriptors of VBR MPEG video traffic is proposed. A VBR video sequence is described by a set of traffic descriptors using a scene-based Markov model for effective resource allocation and accurate QoS prediction. To monitor the input traffic from the source, the authors have defined a set of a limited number of representative monitoring parameters and also defined an exponential bounding function in order to accommodate dynamic behaviour. The simulation results show that the proposed policing mechanism for Markovian traffic descriptors monitors sophisticated traffic, such as MPEG video, effectively and also protects network resources from both malicious and abnormally behaved traffic.
Policing method for Markovian traffic descriptors of VBR MPEG sources over ATM networks
2001-04-01
7 pages
Article (Journal)
English
telecommunication congestion control , visual communication , asynchronous transfer mode , QoS prediction , simulation results , malicious traffic , telecommunication traffic , network resource allocation management , Markov processes , MPEG video traffic , exponential bounding function , Markovian traffic descriptor , quality of service , scene-based Markov model , VBR MPEG sources , resource allocation , telecommunication network management , video sequence , network resources protection , code standards , dynamic behaviour , telecommunication standards , abnormally behaved traffic , call admission control , variable rate codes , monitoring parameters , flow control , packet switching , video coding , bandwidth utilisation , ATM networks , policing method , input traffic monitoring , image sequences
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