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VTV -- A Voting Str...
VTV -- A Voting Strategy for Real-Time Systems
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- Aysan, Hüseyin (författare)
- Mälardalens högskola,Institutionen för innovation, design och produktutveckling
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- Punnekkat, Sasikumar (författare)
- Mälardalens högskola,Institutionen för innovation, design och produktutveckling
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- Dobrin, Radu (författare)
- Mälardalens högskola,Institutionen för innovation, design och produktutveckling
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(creator_code:org_t)
- 2008
- 2008
- Engelska.
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Ingår i: Proceedings of the 14th IEEE Pacific Rim International Symposium on Dependable Computing, PRDC 2008. - 9780769534480 ; , s. 56-63
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Real-time applications typically have to satisfy high dependability requirements and require fault tolerance in both value and time domains. A widely used approach to ensure fault tolerance in dependable systems is the N-modular redundancy (NMR) which typically uses a majority voting mechanism. However, NMR primarily focuses on producing the correct value, without taking into account the time dimension. In this paper, we propose a new approach, Voting on Time and Value (VTV), applicable to real-time systems, which extends the modular redundancy approach by explicitly considering both value and timing failures, such that correct value is produced at a correct time, under specified assumptions. We illustrate our voting approach by instantiating it in the context of the well-known triple modular redundancy (TMR) approach. Further, we present a generalized version targeting NMR that enables a high degree of customization from the user perspective.
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