Qualidade de Serviço de VoIP em Redes com Gerenciamento Ativo de Filas (VoIP Quality of Service in Networks with Active Queue Management)

Vitalio Alfonso Reguera (vitalio@fie.uclv.edu.cu)2, Evelio Martín García Fernández (evelio@eletrica.ufpr.br)1, Félix Álvarez Paliza (fapaliza@fie.uclv.edu.cu)2, Walter Godoy (godoy@utfpr.edu.br)3


1Universidade Federal do Paraná
2Universidad Central de Las Villas
3Universidade Tecnológica Federal do Paraná

This paper appears in: Revista IEEE América Latina

Publication Date: Sept. 2009
Volume: 7,   Issue: 5 
ISSN: 1548-0992


Abstract:
This article provides a new analytical method based on a fixed point approach to estimate the impact of active queue management schemes on the quality of service of voice over IP applications. The results obtained by the proposed method were validated using discret 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 empiric evidences demonstrate that the use of active queue management offers a better quality of service than the traditionally queue control mechanisms used in internet.

Index Terms:
active queue management, voice over IP, performance analyses, Internet   


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