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Virtualization-based evaluation of backhaul performance in vehicular applications

机译：基于虚拟化的车载应用回程性能评估

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Next-generation networks, based on SDN and NEV, are expected to support a wide array of services, including vehicular safety applications. These services come with strict delay constraints, and our goal in this paper is to ascertain to which extent SDN/NFV-based networks are able to meet them. 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) the delay with which vehicle beacons are processed and (ii) the associated overhead and energy consumption. We find that we can indeed meet the latency constraints associated with vehicular safety applications, and that SDN controllers represent a moderate contribution to the overall energy consumption but a significant source of additional delay. (C) 2018 Elsevier B.V. All rights reserved.
机译：预计基于SDN和NEV的下一代网络将支持多种服务，包括车辆安全应用。这些服务带有严格的延迟约束，我们的目标是确定基于SDN / NFV的网络能够满足这些要求的程度。为此，我们使用流行的Mininet和Docker工具在具有移动性信息的真实拓扑上构建和仿真车辆碰撞检测系统。使用不同的核心网络拓扑和开源SDN控制器，我们测量（i）处理车辆信标的延迟以及（ii）相关的开销和能耗。我们发现，我们确实可以满足与车辆安全应用相关的延迟约束，并且SDN控制器对总体能源消耗做出了适度的贡献，但却是额外延迟的重要来源。 （C）2018 Elsevier B.V.保留所有权利。

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