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RI-COTS: trading performance for reliability improvements in commercial of the shelf systems
, Article 19th International Symposium on Computer Architecture and Digital Systems, CADS 2017, 21 December 2017 through 22 December 2017 ; Volume 2018-January , March , 2018 , Pages 1-6 ; 9781538643792 (ISBN) ; Hosseini Monazzah, A. M ; Farbeh, H ; Sharif University of Technology
Institute of Electrical and Electronics Engineers Inc
2018
Abstract
The flexibility of software-based fault tolerant approaches in providing the required level of reliability Commer-cial-Off-The Shelf (COTS) devices made them the first choice in designing safety-critical systems. In this paper, we propose a reliability improvement method for COTS-based systems, so-called, RI-COTS. The main idea behind RI-COTS is to establish a tradeoff between reliability and performance of COTS system through controlling redundant execution at instruction level. RI-COTS is implemented on LEON2 processor VHDL model. Our simulation results show that comparing with the most related studies, RI-COTS can improve the fault detection capability by 20% with only 4% performance...