Study on the optimal distribution of redundancy effort in cross-layer reliable architectures
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Document typeConference report
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Rights accessRestricted access - publisher's policy
This paper presents a comprehensive approach to the smart application of redundancy techniques in multiple-layer hierarchical systems. Computing systems today are rapidly evolving into increasingly complex structures with an ever-increasing number of components. Moreover, future technology generations are expected to have associated lower levels of quality. For these reasons, it is emerging nowadays a renewed interest in the development of reliable architectures. In this work we delve into this topic putting special emphasis on the system hardware hierarchy. We analyze the advantages in terms of reliability of distributing redundancy effort in cross-layer systems. We base our analysis on a general fault model that takes into account both devices and interconnections. Using the Rent's Law we relate the number of devices and interconnections for different configurations of redundancy and compare the global error probability. Our results provide meaningful information about the benefits that can be achieved by properly choosing the system layer at which to apply redundancy, and if applicable, the optimal distribution of redundancy effort through the system layers. © 2013 IEEE.
CitationAymerich, N.; Rubio, J.A. Study on the optimal distribution of redundancy effort in cross-layer reliable architectures. A: IEEE International Conference on Nanotechnology. "Proceedings of the 13th IEEE International Conference on Nanotechnology: Beijing, China: August 5-8, 2013". Beijing: Institute of Electrical and Electronics Engineers (IEEE), 2013, p. 245-249.
|Study on the op ... reliable architectures.pdf||Study on the optimal distribution of redundancy effort in cross-layer reliable architectures.pdf||311,9Kb||Restricted access|