Stochastic modeling for delay analysis of a VoIP network

Vandana Gupta (), S Dharmaraja () and Viswanathan Arunachalam ()

Annals of Operations Research, 2015, vol. 233, issue 1, 180 pages

Abstract: VoIP (“Voice Over Internet Protocol”) is the transmission of voice communication through the Internet via IP-based telephony networks. VoIP has become very popular over recent years due to the cost advantages for consumers and businesses compared to the traditional telephony networks. Since it is deployed on packet-based networks, one of the major Quality of Service (QoS) concerns of VoIP technology is the average end-to-end connection delay. The objective of this paper is to present a queuing model for obtaining the end-to-end delay of a VoIP connection. The paper first describes all the partial delay components, and their mathematical formulations. Subsequently, based on all the partial delay components, a queuing model for the end-to-end delay of a VoIP connection is presented. The proposed queueing model is analyzed using a generalized stochastic Petri net (GSPN) model. From the GSPN model, we obtain numerical results for the end-to-end delay, which are presented graphically. The results are in accordance with the expected behavior of delay in a VoIP network. Copyright Springer Science+Business Media New York 2015

Keywords: VoIP; Non-Markovian queue; Priority; Retrial; Generalized stochastic Petri net (GSPN); End-to-end delay (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1007/s10479-013-1472-7

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