Formal worst-case timing analysis of Ethernet TSN's time-aware and peristaltic shapers

Daniel Thiele, Rolf Ernst, Jonas Diemer
2015 2015 IEEE Vehicular Networking Conference (VNC)  
Ethernet is considered as a future communication standard for distributed embedded systems in the automotive and industrial domains. A key challenge is the deterministic low-latency transport of Ethernet frames, as many safety-critical real-time applications in these domains have tight timing requirements. Time-sensitive networking (TSN) is an upcoming set of Ethernet standards, which (among other things) address these requirements by specifying new quality of service mechanisms in the form of
more » ... ifferent traffic shapers. In this paper, we consider TSN's time-aware and peristaltic shapers and evaluate whether these shapers are able to fulfill these strict timing requirements. We present a formal timing analysis, which is a key requirement for the adoption of Ethernet in safety-critical real-time systems, to derive worst-case latency bounds for each shaper. We use a realistic automotive Ethernet setup to compare these shapers to each other and against Ethernet following IEEE 802.1Q.
doi:10.1109/vnc.2015.7385584 dblp:conf/vnc/ThieleED15 fatcat:orzd3fqpozgf7lijel2szwhwoq