“Integrating Inaccessibility Control and Timer Management in CANELy”

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José Rufino, Paulo Veríssimo, Carlos Almeida, Guilherme Arroz

in Proceedings of the 11th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA 2006), Prague, Czech Republic, September, 2006., Sept. 2006.

Abstract: The CAN Enhanced Layer (CANELy) is a CAN-based infrastructure capable of extremely reliable communication. This paper describes the mechanisms and the techniques used in CANELy to enforce system correctness in the time-domain despite the occurrence of network errors (inaccessibility). The paper discusses how to integrate in the existing CANELy machinery, the control of inaccessibility and the management of timers, at several levels of the system. In particular, application and low-level protocol layers are addressed. In addition, a relevant set of parameters are available for system monitoring, allowing the validation/enforcement of the system model.

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Project(s): Project:DARIO

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

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