Affiliation:
1. School of Electrical Engineering, Belgrade
Abstract
The appearance of burst packet losses and its devastating effect on Voice
over IP (VoIP) service have imposed a requirement for the implementation of
loss recovery mechanisms to address VoIP quality during periods when high
packet loss is exhibited. Existing loss recovery mechanisms are dependent on
end point capabilities, whereas Quality of service (QoS) routing protocols
suffer from complexity and scalability issues. In this paper, we examine
packet dispersion?s ability to address burst losses and provide a
computational model, which is verified using real network testing. A study
has been carried out to investigate the effect of different packet dispersion
strategies on burst losses, which clearly shows dispersion?s qualitative
superiority over single path routing. Furthermore, an analytical approach is
proposed resulting in quality estimation obtained by individual strategies.
Practical evaluation has shown that each strategy copes differently with
various burst scenarios in order to maximize VoIP quality.
Funder
Ministry of Education, Science and Technological Development of the Republic of Serbia
Publisher
National Library of Serbia
Cited by
2 articles.
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