Publisher DOI: 10.1109/TETC.2017.2736783
Title: Bridging the gap between resilient networks-on-chip and real-time systems
Language: English
Authors: Rambo, Eberle Andrey 
Seitz, Christoph 
Saidi, Selma 
Ernst, Rolf 
Keywords: High Dependability;Network-on-Chip;Real-time;Reliability;Soft Errors
Issue Date: 2020
Publisher: IEEE
Source: IEEE Transactions on Emerging Topics in Computing 2 (8): 8003334, 418-430 (2020)
Journal or Series Name: IEEE transactions on emerging topics in computing 
Abstract (english): 
IEEE Conventional fault-tolerance approaches for Networks-on-Chip (NoCs) cannot be applied to high dependability systems due to their different goals and constraints. These systems impose strict integrity, resilience and real-time requirements. In order to meet these requirements, all possible effects of random hardware errors must be taken into account, silent data corruption must be prevented and the resulting system must be predictable in the presence of errors. In this paper, we present a wormhole-switched NoC with virtual channels for high dependability systems hardened against soft errors. The NoC is developed based on results of a Failure Mode and Effects Analysis. It efficiently handles errors in different network layers and operates with formal guarantees. Our experimental evaluation, including an industrial avionics use case, shows that the network is able to achieve predictable behavior even in aggressive environments with very high error rates while presenting competitive overheads.
ISSN: 2168-6750
Institute: Integrierte Schaltungen E-9 
Document Type: Article
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