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Urgency-Based Scheduler for Time-Sensitive Switched Ethernet Networks

Due to increasing bandwidth requirements, Ethernet technology is emerging in embedded systems application areas such as automotive, avionics, and industrial control. In the automotive domain, Ethernet enables integration of cameras, radars, and fusion to build active safety and automated driving systems. While Ethernet provides the necessary communication bandwidth, solutions are needed to satisfy stringent dependability and temporal requirements of such safety-critical systems. This paper introduces an asynchronous traffic scheduling algorithm, which gives low delay guarantees in a switched Ethernet network, while maintaining a low implementation complexity. We present a timing analysis and demonstrate the tightness of the delay bounds by extensive simulation experiments.