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Dimensioning links for IP telephony
RISE, Swedish ICT, SICS, Decisions, Networks and Analytics lab.ORCID iD: 0000-0002-1445-2169
RISE - Research Institutes of Sweden, ICT, SICS.
RISE - Research Institutes of Sweden, ICT, SICS.ORCID iD: 0000-0001-8338-5513
2001 (English)In: Proceedings of the 2nd IP-Telephony Workshop (IPtel 2001), 2-3 April 2001, New York City, New York, USA, 2001, 1Conference paper, Published paper (Refereed)
Abstract [en]

Packet loss is an important parameter for dimensioning network links or traffic classes carrying IP telephony traffic. We present a model based on the Markov modulated Poisson process (MMPP) which calculates packet loss probabilities for a set of super positioned voice input sources and the specified link properties. We do not introduce another new model to the community, rather try and verify one of the existing models via extensive simulation and a real world implementation. A plethora of excellent research on queuing theory is still in the domain of ATM researchers and we attempt to highlight its validity to the IP Telephony community. Packet level simulations show very good correspondence with the predictions of the model. Our main contribution is the verification of the MMPP model with measurements in a laboratory environment. The loss rates predicted by the model are in general close to the measured loss rates and the loss rates obtained with simulation. The general conclusion is that the MMPP-based model is a tool well suited for dimensioning links carrying packetized voice in a system with limited buffer space.

Place, publisher, year, edition, pages
2001, 1.
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-22586OAI: oai:DiVA.org:ri-22586DiVA, id: diva2:1042151
Conference
2nd IP-Telephony Workshop (IPtel 2001), 2-3 April 2001, New York City, New York, USA
Available from: 2016-10-31 Created: 2016-10-31 Last updated: 2018-08-15Bibliographically approved

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Ahlgren, BengtMarsh, Ian

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