Fault-tolerant broadcasts in CAN

José Rufino, Paulo Veríssimo, Guilherme Arroz, Carlos Almeida, Luís Rodrigues

Research output: Chapter in Book/Report/Conference proceedingConference contribution

96 Scopus citations


Fault-tolerant distributed systems based on field-buses may take advantage from reliable and atomic broadcast. There is a current belief that CAN native mechanisms provide atomic broadcast. In this paper, we dismiss this misconception, explaining how network errors may lead to: inconsistent message delivery; generation of message duplicates. These errors may occur when faults hit the last two bits of the end of frame delimiter. Although rare, its influence cannot be ignored, for highly fault-tolerant systems. Finally, we give a protocol suite that handles the problem effectively.
Original languageEnglish (US)
Title of host publicationDigest of Papers - 28th Annual International Symposium on Fault-Tolerant Computing, FTCS 1998
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages10
ISBN (Print)0818684704
StatePublished - Jan 1 1998
Externally publishedYes

Bibliographical note

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