Dynamic QoS Adaptation Using COPS and Network Monitoring Feedback
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: Dynamic QoS Adaptation Using COPS and Network Monitoring Feedback
Abstract : Abstract. This paper presents an approach to handle out of profile traffic using Common Open Policy Service and network monitoring feedback. The proposed approach is based on monitoring and reporting information sent by bandwidth monitors installed on each node of a Diffserv Domain. A monitor interacts with Policy Decision Point. This later, depending on the network state, pushes policy decision rules to the Policy Enforcement Point in order to accept, remark or drop out-of-profile traffic dynamically. This allows a dynamic reallocation and management of network resources based on current network state and applications QoS requirements. An implementation and a performance evaluation of the dynamic QoS adaptation framework using a Java COPS and a Linux-based network testbed are also presented. Keywords: IP Diffserv, QoS Adaptation, COPS, Network Monitoring. 1
: Computer Science
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