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A Diversity Model Based on Failure Distribution and Its Application in Safety Cases

机译：基于故障分布的多样性模型及其在安全案例中的应用

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摘要

This work develops a new basis for evaluating the reliability benefits of diverse software, based on fault injection testing. In particular, the work investigates forms of argumentation that could be used to justify diversity as a basis for the construction of safety claims. Failure distributions of two versions of diverse software under various fault conditions are revealed separately by fault injection methods, and then the common failure probability of the version-pair can be estimated. The approach is justified theoretically, and cross validated with other work. This method is also used to explain the fundamental influence of failure distributions on diversity.
机译：这项工作为基于故障注入测试的各种软件的可靠性收益评估提供了新的基础。尤其是，该工作调查了可以用来证明多样性作为构建安全声明基础的辩证形式。通过故障注入方法分别揭示了各种软件在不同故障条件下的两个版本的故障分布，然后可以估算该版本对的常见故障概率。该方法在理论上是合理的，并且可以与其他工作进行交叉验证。此方法还用于解释故障分布对多样性的基本影响。

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