Two New Space-Time Triple Modular Redundancy Techniques for Improving Fault Tolerance of Computer Systems

2006 ◽  
Author(s):  
Wei Chen ◽  
Rui Gong ◽  
Kui Dai ◽  
Fang Liu ◽  
Zhiying Wang
Keyword(s):  
Fault Tolerance ◽  
Computer Systems ◽  
Space Time ◽  
Triple Modular Redundancy ◽  
New Space ◽  
Modular Redundancy

scholarly journals Survey on Approximate Computing and Its Intrinsic Fault Tolerance

Electronics ◽  
2020 ◽  
Vol 9 (4) ◽  
pp. 557 ◽  
Author(s):  
Gennaro Rodrigues ◽  
Fernanda Lima Kastensmidt ◽  
Alberto Bosio
Keyword(s):  
Fault Tolerance ◽  
Software Architecture ◽  
Execution Time ◽  
State Of The Art ◽  
High Reliability ◽  
Approximate Computing ◽  
Safety Critical ◽  
Triple Modular Redundancy ◽  
Modular Redundancy ◽  
Error Masking

This work is a survey on approximate computing and its impact on fault tolerance, especially for safety-critical applications. It presents a multitude of approximation methodologies, which are typically applied at software, architecture, and circuit level. Those methodologies are discussed and compared on all their possible levels of implementations (some techniques are applied at more than one level). Approximation is also presented as a means to provide fault tolerance and high reliability: Traditional error masking techniques, such as triple modular redundancy, can be approximated and thus have their implementation and execution time costs reduced compared to the state of the art.

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