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The EFTOS voting farm: a software tool for fault masking in message passing parallel environments

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3 Author(s)
De Florio, V. ; Dept. of Electr. Eng., Katholieke Univ., Leuven, Belgium ; Deconinck, G. ; Lauwereins, R.

We present a set of C functions implementing a distributed software voting mechanism for EPX or similar message passing environments, and we place it within the EFTOS framework (Embedded Fault-Tolerant Supercomputing) of software tools for enhancing the dependability of a user application. The described mechanism can be used for instance to implement restoring organs, i.e. modular redundancy systems with N-replicated voters. We show that, besides structural design goals like fault transparency, this tool achieves replication transparency, a high degree of flexibility and ease of use, good performance, as well as the possibility to combine fault masking with recovery techniques

Published in:

Euromicro Conference, 1998. Proceedings. 24th  (Volume:1 )

Date of Conference:

25-27 Aug 1998