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Improved support for streaming services in vehicular networks

机译：改进了对车载网络中流服务的支持

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This paper presents a resource management mechanism aimed at improving the effectiveness of streaming services in vehicular networks. The scenario considered in this paper is that of a group of customers located into a same public vehicle, e.g. a moving train connected to the network via a satellite link, and requesting either video-on-demand-like services, as well as real-time diffusive (broadcast) streaming services. We show that a proxy server, devised to introduce an elastic buffer aimed at decoupling the information retrieval download speed on the outer network from the natural play-out speed used in the vehicular network, results to be an extremely effective approach in reducing the outage probability given by link failure in the outer network (e.g. tunnel crossing). A resource management mechanism, called A2M, is applied to both video-on-demand and diffusive services, and its performance effectiveness is evaluated through simulation.
机译：本文介绍了一种资源管理机制，旨在提高车辆网络中流动服务的有效性。本文考虑的情景是一群客户，位于同一公共车辆中，例如，通过卫星链接连接到网络的移动列车，并请求视频点播等服务，以及实时扩散（广播）流服务。我们展示了一个代理服务器，设计用于引入弹性缓冲器，该弹性缓冲器从车辆网络中使用的自然淘汰速度从外部网络上解耦了旨在将信息检索下载速度解耦，导致降低停电概率的极其有效的方法通过外部网络中的链路故障（例如隧道交叉）给出。一种名为A2M的资源管理机制适用于视频点播和扩散服务，并通过模拟评估其性能效果。

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