在IEEE 802.1 AVB网络中实现高效数据传输的单流保留类设计

Lindsey S. Kim, Chulsung Park, Sungkown Park, Juho Lee
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引用次数: 2

摘要

新的汽车应用,如信息娱乐和驾驶员辅助,有更多的带宽需求和更严格的延迟/抖动限制。IEEE 802.1音频/视频桥接(AVB)协议套件有望保证基于以太网的汽车通信的要求。IEEE 802.1 AVB定义了流保留类(Stream Reservation Classes, SR-Class),用于AVB流量的转发和排队。该标准建议使用两个sr级别。然而,汽车行业决定在车内网络中只使用一种SR-Class。在本文中,我们使用网络仿真工具omnet++来模拟一个真实的车载网络设计和流量模型。通过仿真,我们证实了使用一个SR-Class可以满足AVB的流量要求,并且具有几个优点。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design of single stream reservation class for efficient data transmission in IEEE 802.1 AVB networks
New automotive applications such as infotainment and driver's assistance have more bandwidth requirement and more stringent latency/jitter constraints. IEEE 802.1 Audio/Video Bridging (AVB) protocol suite is expected to guarantee the requirements in Ethernet-based car communication. IEEE 802.1 AVB defined Stream Reservation Classes (SR-Class) for forwarding and queuing of AVB traffic. The standards recommended using two SR-Classes. However, vehicle industry decided to use only one SR-Class in in-car network. In this paper, we use the network simulation tool OMNeT++ to simulate a real in-car network design and traffic model. Through simulations we confirm that using one SR-Class meets the AVB traffic requirements and it has several advantages.
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