Reference : Load-Aware Strategies for Cloud-Based VoIP Optimization with VM Startup Prediction
Scientific journals : Article
Engineering, computing & technology : Computer science
Load-Aware Strategies for Cloud-Based VoIP Optimization with VM Startup Prediction
Cortes-Mendoza, Jorge M. [> >]
Tchernykh, Andrei [> >]
Feoktistov, Alexander [> >]
Bouvry, Pascal mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Computer Science and Communications Research Unit (CSC) >]
Didelot, Loïc [> >]
Proceedings of IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW), 2017
[en] Cloud computing, Quality of service, Codecs, Servers, Load modeling, Telephone sets, Bandwidth
[en] In this paper, we address cloud VoIP scheduling strategies to provide appropriate levels of quality of service to users, and cost to VoIP service providers. This bi-objective focus is reasonable and representative for real installations and applications. We conduct comprehensive simulation on real data of twenty three on-line non-clairvoyant scheduling strategies with fixed threshold of utilization to request VMs, and twenty strategies with dynamic prediction of the load. We show that our load-aware with predictions strategies outperform the known ones providing suitable quality of service and lower cost. The robustness of these strategies is also analyzed varying VM startup time delays to deal with realistic VoIP cloud environments.

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