软件复兴对火星探测分阶段任务系统的影响

2013 IEEE International Symposium on Software Reliability Engineering Workshops (ISSREW) Pub Date : 2013-12-19 DOI:10.1109/ISSREW.2013.6688906

S. Ballerini, L. Carnevali, Marco Paolieri, Kumiko Tadano, F. Machida

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引用次数: 5

摘要

当软件包含与老化相关的故障并且系统具有较长的任务周期时，由多个软件组件组成的分阶段任务系统可能遭受软件老化，这是软件执行环境的逐步退化。软件老化导致的故障可能会影响任务的成功概率。本文提出了一种具有软件再生的分阶段任务系统模型，并分析了软件再生对任务成功概率和完成时间分布的影响。火星探测车任务是分阶段任务系统的一个例子。分析结果表明，以牺牲任务完成时间为代价，通过软件返青提高了任务成功概率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Software rejuvenation impacts on a phased-mission system for Mars exploration

When software contains aging-related faults and the system has a long mission period, phased-mission systems consisting of several software components can suffer from software aging, which is a progressive degradation of the software execution environment. Failures caused by software aging might impact on the mission success probability. In this paper, we present a model for a phased-mission system with software rejuvenation, and analyze the impacts of software rejuvenation on the success probability and completion time distribution of the mission. The mission of Mars exploration rover is considered as an example of phased-mission system. The analysis results show that the mission success probability is improved by software rejuvenation at the cost of the mission completion time.

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2013 IEEE International Symposium on Software Reliability Engineering Workshops (ISSREW)

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