Timing Analysis of a Linux-Based CAN-to-CAN Gateway

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F11%3A00184093" target="_blank" >RIV/68407700:21230/11:00184093 - isvavai.cz</a>
Result on the web
<a href="http://lwn.net/images/conf/rtlws-2011/proc/Sojka.pdf" target="_blank" >http://lwn.net/images/conf/rtlws-2011/proc/Sojka.pdf</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Timing Analysis of a Linux-Based CAN-to-CAN Gateway
Original language description
In this paper, we thoroughly analyze timing properties of CAN-to-CAN gateway built with Linux kernel CAN subsystem. The latencies induced by this gateway are evaluated under many combinations of conditions, such as when traffic filtering is used, when the gateway is configured to modify the routed frames, when various types of load are imposed on the gateway or when the gateway is run on different kernels (both rt-preempt and vanilla are included). From the detailed results, we derive the general characteristics of the gateway. Some of the results apply not only for the special case of CAN-to-CAN routing, but also for the whole Linux networking subsystem because many mechanisms in the Linux networking stack are shared by all protocols. The overall conclusion of our analysis is that the gateway is in pretty good shape and our results were used to support merging the gateway into Linux mainline.
Czech name
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Czech description
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Project
<a href="/en/project/1M0567" target="_blank" >1M0567: Centre for Applied Cybernetics</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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