Extra diagnosability and good-neighbor diagnosability of n-dimensional alternating group graph AGn under the PMC model

Extra diagnosability and good-neighbor diagnosability of n-dimensional alternating group graph AGn under the PMC model
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PMC模型下n维交替群图AG(n)的额外可诊断性和邻域可诊断性

DOI:
10.1016/j.tcs.2019.05.034
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发表时间:
2019-11
影响因子:
1.1
通讯作者:
Wang Xiaoding
Wang Xiaoding
中科院分区:
计算机科学4区
文献类型:
--
作者:
Huang Yanze;Lin Limei;Xu Li;Wang Xiaoding

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h-额外可诊断性和g-好邻居可诊断性是两种重要的系统级诊断策略,可以显著提高系统的自诊断能力。h-额外可诊断性保证了系统的每个组件在移除一组故障顶点后至少有h+ 1个顶点。g-好邻居可诊断性保证了在去除一些故障顶点后,剩余系统中的每个顶点至少有g个邻居。在本文中,我们分析了一个著名的n维交替群图A G n的额外的可诊断性和好邻居的可诊断性提出的多处理器系统下的PMC模型。我们首先证明了A G n(n≥ 5)的1-额外可诊断性是4 n-10。然后证明了A G n(n≥ 5)的2-额外可诊断性为6 n− 17。其次,我们证明了A G n(n≥ 5)的3-额外可诊断性是8 n− 25。最后,我们得到了当1≤ g≤ 2时,AGn(n≥ 5)的g-限制连通性和g-好邻居可诊断性分别为(2 g+ 2)n− 2 g + 2− 4+ g和(2 g+ 2)n− 2 g+ 2− 4+ 2 g.
The h-extra diagnosability and g-good-neighbor diagnosability are two important diagnostic strategies at system-level that can significantly enhance the system's self-diagnosing capability. The h-extra diagnosability ensures that every component of the system after removing a set of faulty vertices has at least h+ 1 vertices. The g-good-neighbor diagnosability guarantees that after removing some faulty vertices, every vertex in the remaining system has at least g neighbors. In this paper, we analyze the extra diagnosability and good-neighbor diagnosability in a well-known n-dimensional alternating group graph A G n proposed for multiprocessor systems under the PMC model. We first establish that the 1-extra diagnosability of A G n (n≥ 5) is 4 n− 10. Then we prove that the 2-extra diagnosability of A G n (n≥ 5) is 6 n− 17. Next, we address that the 3-extra diagnosability of A G n (n≥ 5) is 8 n− 25. Finally, we obtain that the g-restricted connectivity and the g-good-neighbor diagnosability of A G n (n≥ 5) are (2 g+ 2) n− 2 g+ 2− 4+ g and (2 g+ 2) n− 2 g+ 2− 4+ 2 g for 1≤ g≤ 2, respectively.
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