“How hard is hard real-time communication on field-buses?”

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Paulo Veríssimo, José Rufino, Li Ming

in Digest of Papers, The 27th International Symposium on Fault-Tolerant Computing. Seattle - USA, July 1997. IEEE, Jul. 1997.

Abstract: Continuity of service and bounded and known message delivery latency, are reliability requirements of a number of real-time applications, such as those served by field-buses. The analysis and design of such networks, w.r.t. timing properties, has been based on no-fault scenarios, rather than under a performability perspective. In this paper, we do an analytical study of the inaccessibility of CAN and PROFIBUS. The study reveals that previous studies on the access delays of these field-buses were too optimistic, from a performability viewpoint.

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Project(s): Project:DARIO

Research line(s): Timeliness and Adaptation in Dependable Systems (TADS)

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