Bounds for Two-Terminal Network Reliability with Dependent Basic Events

Bounds for Two-Terminal Network Reliability with Dependent Basic Events
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具有相关基本事件的两端网络可靠性的界限

DOI:
10.1007/978-3-642-28540-0_3
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发表时间:
2012
期刊:
影响因子:
--
通讯作者:
M. Walter
M. Walter
中科院分区:
--
文献类型:
--
作者:
M. Lê;M. Walter

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自20世纪70年代以来,双端可靠性问题一直是一个被广泛研究的问题。因此,许多有效的算法被提出。然而,所有这些算法意味着所有系统组件必须是独立的。对于当今的应用,它是不够的,因为在容错系统中的组件可能会失败,由于共因故障或故障传播假设独立的组件故障。因此,我们提出了一个算法,处理即将到来的依赖关系。除此之外,如果算法直到最后才能进行,则可以获得下限和上限。该算法的性能和精度证明在一定的网络服从递归结构,其中的确切结果是由一个多项式。
The two-terminal reliability problem has been a widely studied issue since 1970s. Therefore many efficient algorithms were proposed. Nevertheless, all these algorithms imply that all system components must be independent. With regard to nowadays applications it is not sufficient to assume independent component failures because in fault tolerant systems components may fail due to common cause failures or fault propagation. We therefore propose an algorithm which deals with upcoming dependencies. In addition to that, lower and upper bounds can be obtained in case the algorithm cannot be conducted until the end. The performance and accuracy of the algorithm is demonstrated on a certain network obeying a recursive structure where the exact result is given by a polynomial.
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DOI: --
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