| タイトル | Software fault-tolerance by design diversity DEDIX: A tool for experiments |
| 本文（外部サイト） | http://hdl.handle.net/2060/19860020091 |
| 著者（英） | Kelly, J. P. J.; Tso, K. S.; Lyu, R. T.; Voges, U.; Strigini, L.; Avizienis, A.; Traverse, P. J.; Gunningberg, P. |
| 著者所属（英） | Societe Nationale Industrielle Aerospatiale; California Univ. |
| 発行日 | 1986-01-01 |
| 言語 | eng |
| 内容記述 | The use of multiple versions of a computer program, independently designed from a common specification, to reduce the effects of an error is discussed. If these versions are designed by independent programming teams, it is expected that a fault in one version will not have the same behavior as any fault in the other versions. Since the errors in the output of the versions are different and uncorrelated, it is possible to run the versions concurrently, cross-check their results at prespecified points, and mask errors. A DEsign DIversity eXperiments (DEDIX) testbed was implemented to study the influence of common mode errors which can result in a failure of the entire system. The layered design of DEDIX and its decision algorithm are described. |
| NASA分類 | COMPUTER PROGRAMMING AND SOFTWARE |
| レポートNO | 86N29563
SNIAS-861-111-108
NASA-CR-177172
NAS 1.26:177172 |
| 権利 | No Copyright |
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