Simulation Analysis of Different Strategies for the Improvement of VoIP

J.B. Peña (Venezuela) and T. Jiménez (France)


VoIP, QoS, Simulation, Diffserv, RED, MPLS.


VoIP (Voice over IP (Internet Protocol)) denotes a set of applications that have specific requirements on quality of service (QoS): small loss rate, small delay and jitter. We in vestigate how different management strategies such as the queue management scheme, service differentiation (Diff Serv) and the use of MPLS help getting the QoS necessary to VoIP applications. We use simulation on Network Simu lator (NS) to compare these strategies on various scenarios.

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