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Abstract

Florian Bartols, Till Steinbach, Franz Korf, Thomas C. Schmidt,
Performance Analysis of Time-Triggered Ether-Networks Using Off-the-Shelf-Components,
In: 14th IEEE International Symposium on Object/Component/Service-Oriented Real-Time Distributed Computing Workshops (ISORCW) 2011, p. 49–56, IEEE Press : Piscataway, NJ, USA, March 2011.
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Abstract: The performance analysis and validation of distributed real-time systems poses significant challenges due to high accuracy requirements at the measurement tools. A fully synchronized time-scale at ultrafine granularity is not easy to generate. Even though there are several analyzer tools for standard switched Ethernet, these tools cannot be applied in time-triggered networks, since they do not meet the requirements of synchronized packet generation. This paper introduces a low cost and lightweight approach to measure end-to-end latency of time-triggered Ethernet traffic with off-the-shelf components. By using standard computer hardware and a real-time Linux Kernel, it is shown that measurement can be achieved in a resolution of microseconds. Furthermore, a validation with an Ethernet performance analyzer and a mathematical framework is presented to check the given results.

Themes: Real-time Ethernet

 


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