On the impact of adaptive RED in IP networks transporting H.264/MPEG-4 AVC video streams

Authors:
D. P. Torres;E. M. G. Fernandez;E. P. Ribeiro;V. A. Reguera;C. de Oliveira
Affiliations:
Department of Electrical Engineering, Federal University of Parana, Centro Politecnico, P.O. Box 19011, 81531-990 Curitiba, Brazil;Department of Electrical Engineering, Federal University of Parana, Centro Politecnico, P.O. Box 19011, 81531-990 Curitiba, Brazil;Department of Electrical Engineering, Federal University of Parana, Centro Politecnico, P.O. Box 19011, 81531-990 Curitiba, Brazil;Department of Telecommunications, Central University of Las Villas, Santa Clara, Cuba;Department of Electrical Engineering, Federal University of Parana, Centro Politecnico, P.O. Box 19011, 81531-990 Curitiba, Brazil
Venue:
Computers and Electrical Engineering
Year:
2012

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Abstract

This paper investigate the impact on the QoS offered by IP networks that transport real-time H.264/MPEG-4 AVC video streams when applying adaptive random early detection (ARED) as an active queue management technique instead of traditional drop-tail. Simulation results indicate that the ARED technique reduces the loss of video packets but degrades a higher number of video frames if compared to the drop-tail technique, while showing a small qualitative gain regarding delay and jitter. From these results it may be reasonably concluded that H.264/MPEG-4 AVC video streams do not benefit from employing ARED technique as VoIP streams do.