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Quality of service for voice over IP in networks with congestion avoidance

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Abstract

This paper assesses the impact of active queue management schemes on the quality of service of voice over Internet protocol applications. A new analytical method based on a fixed point approach to estimate the end-user satisfaction is proposed. The results obtained were validated using discrete event simulation techniques. In all the studied cases, it was observed a great deal of agreement between the analytical results and the results obtained through simulation. The theoretical predictions, as well as the presented empirical evidences confirm, as demonstrated in previous works, that the use of active queue management offers better quality of service than the traditional queue control mechanisms used in Internet. From these results, we may reasonably conclude that the presented method can be used for network design in the presence of voice traffic.

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Authors and Affiliations

  1. Telecommunications Department, Central University of Las Villas, Santa Clara, Cuba

    Vitalio A. Reguera & Felix A. Paliza

  2. Electrical Engineering Department, Federal University of Parana, Curitiba, Brazil

    Evelio M. G. Fernandez & Eduardo P. Ribeiro

  3. Electrical Engineering Department, Federal University of Technology-Parana, Curitiba, Brazil

    Walter Godoy Jr.

Authors
  1. Vitalio A. Reguera
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  2. Evelio M. G. Fernandez
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  3. Felix A. Paliza
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  4. Walter Godoy Jr.
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  5. Eduardo P. Ribeiro
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Corresponding author

Correspondence to Evelio M. G. Fernandez.

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Reguera, V.A., Fernandez, E.M.G., Paliza, F.A. et al. Quality of service for voice over IP in networks with congestion avoidance. Ann. Telecommun. 64, 225–237 (2009). https://doi.org/10.1007/s12243-008-0054-1

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  • DOI: https://doi.org/10.1007/s12243-008-0054-1

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