Introducing support for scheduled traffic over IEEE audio video bridging networks

Giuliana Alderisi, Gaetano Patti, L. L. Bello
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引用次数: 48

Abstract

The IEEE 802.1 Audio/Video Bridging (AVB) protocol successfully supports audio/video streaming over Ethernet networks and is also a promising candidate for industrial automation. However, several industrial automation applications feature requirements that cannot be fulfilled by the current AVB standard. The next generation of IEEE 802.1 standards, which will specifically target the requirements of automotive and industrial control, is under specification within IEEE 802.1 Working Group. Inspired by such an ongoing work, this paper addresses the introduction in IEEE AVB networks of scheduled traffic, i.e., high priority traffic that is transmitted according to a time schedule so as to ensure no interference from other traffic classes. The paper describes the proposed approach, discusses the design choices and presents a performance assessment based on OMNeT++ simulations.
引入对IEEE音视频桥接网络上的预定流量的支持
IEEE 802.1音频/视频桥接(AVB)协议成功地支持以太网网络上的音频/视频流,也是工业自动化的一个有前途的候选协议。然而,一些工业自动化应用的特征要求不能被当前的AVB标准所满足。下一代IEEE 802.1标准将专门针对汽车和工业控制的要求,目前正在IEEE 802.1工作组的规范之下。受这一正在进行的工作的启发,本文讨论了在IEEE AVB网络中引入预定流量,即根据时间表传输的高优先级流量,以确保不受其他流量类的干扰。本文描述了该方法,讨论了设计选择,并给出了基于omnet++仿真的性能评估。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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