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Reliability of Task Execution during Safe Software Processing

  • This paper presents the reliability evaluation of task execution during safe software processing. The standard method of duplication in a safety-critical application can also be applied for tasks in a software system. But in addition to this, there is also the possibility for coded task processing to increase the reliability and availability of software. The presented analysis covers the reliability analysis of a single, a duplicated and a coded task by the technique of continuous time Markov processes. Markov processes are often used for the reliability evaluation of safety-critical systems. We introduce a method to describe the execution time of tasks by means of enhanced Markov models and their solution by numerical methods.

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Metadaten
Author:Peter Raab, Stanislav Racek, Stefan Krämer, Jürgen MottokORCiDGND
DOI:https://doi.org/10.1109/DSD.2012.110
Parent Title (English):15th Euromicro Conference on Digital System Design, Cesme, Turkey
Document Type:conference proceeding (article)
Language:English
Year of first Publication:2012
Release Date:2021/03/15
Tag:Erlang-distribution; continuous-time Markov process; error probability; reliability analysis
First Page:84
Last Page:89
Institutes:Fakultät Elektro- und Informationstechnik
Fakultät Elektro- und Informationstechnik / Laboratory for Safe and Secure Systems (LAS3)
research focus:Digitalisierung