南京大学学报(自然科学版) ›› 2019, Vol. 55 ›› Issue (5): 725732.doi: 10.13232/j.cnki.jnju.2019.05.003
Xiaosu Yi,Yu Ji(),Huasong Zeng,Rui Xiong
摘要:
通信网络中的某些节点对整个网络具有重要的作用.关键节点的失效可能导致整个通信网络的性能急速下降甚至瘫痪.为确定通信网络中的关键节点,提出一种考虑了邻接点贡献的通信网关键节点评估方法,该方法同时考虑了节点的多方面属性以及其邻域内节点的影响.利用该方法对ARPANET(Advanced Research Projects Agency Network)进行了节点重要性的评估,并通过网络可靠性的相关理论和OPNET仿真建模工具对其进行了验证,证明了该方法的准确性.同时还发现,对通信网络的关键节点的冗余部署可以保障其网络性能,增加可靠性.
中图分类号:
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