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Virtualization-based evaluation of backhaul performance in vehicular applications

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2018-04-07
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Elsevier
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Next-generation networks, based on SDN and NFV, are expected to support a wide array of services, including vehicular safety applications. Theseservices come with strict delay constraints, and our goal in this paper is to ascertain to which extent SDN/NFV-based networks are able to meetthem. To this end, we build and emulate a vehicular collision detection system, using the popular Mininet and Docker tools,on a real-world topology with mobility information. Using different core network topologies and open- source SDN controllers, we measure (i) thedelay with which vehicle beacons are processed and (ii) the associated overhead and energy consumption. We find that we can indeed meet thelatency constraints associated with vehicular safety applications, and that SDN controllers represent a moderate contribution to the overall energyconsumption but a significant source of additional delay.
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Malandrino, F., Chiasserini, C.F., Casetti, C. (2018). Virtualization-based evaluation of backhaul performance in vehicular applications. Computer Networks, 134, pp. 93-104.