Till Steinbach: Comparing Time-Triggered Ethernet with FlexRay

An Evaluation of Competing Approaches to Real-time for In-Vehicle Networks
  • What INET Seminar
  • When May 12, 2010 from 02:00 pm to 03:00 pm (CET / UTC200)
  • Where R 560
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FlexRay is considered the next generation state-of-the-art technology for in-car networks, while time triggered Ethernet emerges with the promise to integrate real-time and best effort traffic into one homogeneous backbone. This paper contributes a competitive analysis of FlexRay and time-triggered Ethernet. By showing that it is possible to transfer a fully utilized FlexRay system, to a system based on time-triggered Ethernet, it is demonstrated that time-triggered Ethernet is a suitable replacement of current in-vehicle bus-systems. Further it is shown that a switched system has significant advantages in bandwidth utilization over a shared bus, when using group communication.

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