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Named data networking for priority-based content dissemination in VANETs

机译：命名数据网络用于VANET中基于优先级的内容分发

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摘要

Name-based communication and in-network caching make Named Data Networking (NDN) a promising solution for content dissemination in Vehicular Ad hoc Networks (VANETs). So far, different NDN packet forwarding mechanisms have been proposed, but none of them have considered the idea of a prioritized traffic treatment based on vehicular content type. This is instead the focus of this paper, since priority-based content dissemination is a rather crucial objective in vehicular environments in order to meet the requirements of heterogeneous applications. Based on the NDN hierarchical namespace, we propose specific “name-prefixes” that identify globally understood priorities for vehicular data traffic. A prefix-based prioritized technique is then implemented on top of basic NDN forwarding algorithms. Simulation results show that the proposed enhancement succeeds in achieving differentiated traffic treatment and in reducing the latency of both high and low priority data.
机译：基于名称的通信和网络内缓存使命名数据网络（NDN）成为车载自组织网络（VANET）中内容分发的有前途的解决方案。到目前为止，已经提出了不同的NDN数据包转发机制，但是它们都没有考虑基于车辆内容类型的优先流量处理的想法。相反，这是本文的重点，因为基于优先级的内容分发在车辆环境中是一个相当关键的目标，目的是满足异构应用程序的需求。基于NDN分层名称空间，我们提出了特定的“名称前缀”，以标识全球了解的车辆数据流量优先级。然后，在基本的NDN转发算法之上实施基于前缀的优先技术。仿真结果表明，所提出的增强功能成功实现了差异化流量处理并减少了高优先级数据和低优先级数据的等待时间。

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