RI-COTS:商业货架系统可靠性改进的交易性能

2017 19th International Symposium on Computer Architecture and Digital Systems (CADS) Pub Date : 2017-12-01 DOI:10.1109/CADS.2017.8310724

Golsa Ghasemi, Amir Mahdi Hosseini Monazzah, Hamed Farbeh

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引用次数: 1

摘要

基于软件的容错方法在提供商用现货(COTS)设备所需的可靠性水平方面的灵活性使其成为设计安全关键系统的首选。在本文中，我们提出了一种基于cots的系统可靠性改进方法，即RI-COTS。RI-COTS背后的主要思想是通过在指令级控制冗余执行，在COTS系统的可靠性和性能之间建立一种权衡。RI-COTS是在LEON2处理器VHDL模型上实现的。仿真结果表明，与大多数相关研究相比，RI-COTS可以将故障检测能力提高20%，而性能开销仅为4%。

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RI-COTS: Trading performance for reliability improvements in commercial of the shelf systems

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 overhead.

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2017 19th International Symposium on Computer Architecture and Digital Systems (CADS)

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