Aggregate Traffic Models for VoIP Applications

Authors:
H. HASSAN;J. M. GARCIA;C. BOCKSTAL
Affiliations:
LAAS-CNRS, FRANCE;LAAS-CNRS, FRANCE;LAAS-CNRS, FRANCE
Venue:
ICDT '06 Proceedings of the international conference on Digital Telecommunications
Year:
2006

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Abstract

Performance evaluation of VoIP applications requires reliable traffic models. Although good traffic models for unitary VoIP applications do exist, the simulation of thousands of connections is very slow making simulation studies very heavy. Aggregate traffic models are needed to achieve faster simulations without losing accuracy. In this paper, we characterize the superposition of homogenous and heterogeneous VoIP applications under heavy and light traffic intensities. We suggest simple aggregate traffic models for VoIP applications and show the performance limits of these models in network simulation environment.