考虑错误检测两阶依赖性以及错误校正延迟效应的软件可靠性模型

The model of software reliability considering the second-step dependence of software error detection and correction delay effects

随着科技的进步和全面智能化时代的到来,软件在人类社会扮演着愈发重要的角色,因此软件的可靠性成为了一个重要的研究领域。然而到目前为止,还没有研究综合考虑到软件错误检测两阶依赖性和校正延迟效应的文献。文章提出了一个软件可靠性增长模型。该模型考虑了错误检测的两阶依赖性和错误校正的延迟效应。在文章中,软件错误被分为三种类型:独立错误、一阶依赖错误和二阶依赖错误。后两种错误依次对前一种错误具有依赖性,即只有相应的错误被检测之后,对应的依赖性错误才能被检测到。利用该模型可以计算出不同时刻下错误检测出的数量和校正的数量。这个模型相比于之前的模型更加符合实际情况。该模型对于软件投放时间等重要决策具有很大的参考价值。

With the advancement of science and technology and the advent of the era of comprehensive intelligence,software is playing an increasingly important role in human society.Therefore,software reliability has always been an important research area.However,up to now,there has been no literature that comprehensively considers the second-step dependence of software error detection and correction delay effects.This paper proposes a software reliability growth model.The model considers the secondstep dependence of error detection and the delay effect of error correction.In this paper,software errors are classified into three types:independent errors,first-step dependency errors,and second-step dependency errors.The latter two errors have a dependency on the former error in turn,that is,only after the corresponding error is detected can the corresponding dependency error be detected.The model can be used to calculate the number of errors detected and the number of corrections at different times.This model is more in line with the actual situation than the previous model.This model has great reference value for important decisions such as software launch time.