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| 加权无标度网络的级联失效模型 |
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韩丽,刘彬,邓玉静,王倩悦,尹荣荣,刘浩然
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1.燕山大学 信息科学与工程学院, 河北 秦皇岛 066004;2.河北省特种光纤与光纤传感重点实验室(燕山大学), 河北 秦皇岛 066004;3.河北科技师范学院 网络技术中心, 河北 秦皇岛 066004
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| 摘要: |
| 在加权的无标度网络中，为了抵抗网络的级联失效，增强网络的鲁棒性，提出了一种参数可调的级联失效模型.该模型从全局和局域的角度，将节点介数、节点度、节点权重和邻居节点权重相结合构建节点的初始负载，并建立节点容量与初始负载的比例关系，当节点失效后，通过结合失效节点邻居的容量来制定负载重分配规则，进而通过对网络级联失效的分析，推导负载参数的演化过程，得出模型中的参数对网络鲁棒性的影响.最后，通过实验验证了所提方法的有效性. |
| 关键词: 无标度网络 级联失效 负载 加权 容量 |
| DOI：10.13328/j.cnki.jos.005173 |
| 分类号: |
| 基金项目:河北省自然科学基金（F2014203239，F2015203091）；河北省科技计划（15275423）；燕山大学青年教师自主研究计划（14LGB017） |
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| Cascading Failure Model of Weighted Scale-Free Networks |
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HAN Li1,2,3,4, LIU Bin1,2, DENG Yu-Jing1,2, WANG Qian-Yue2, YIN Rong-Rong1,2, LIU Hao-Ran1,2
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1.School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China;2.The Key Laboratory for Special Fiber and Fiber Sensor of Hebei Province (Yanshan University), Qinhuangdao 066004, China;3.Network Technology Center, Hebei Normal University of Science &4.Technology, Qinhuangdao 066004, China
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| Abstract: |
| The robustness of complex network against cascading failures is of great significance.Based on the weighted scale-free network, a new cascading failure model with adjustable parameters is proposed.In this model, the nodes' initial loads are constructed with node betweenness, node degree, node weight and neighbor node's weight from both global and local perspective.Meanwhile, the initial load is made proportional to the node capacity.Adopting a new redistribution rule, the failed nodes' loads are assigned to their neighbors.Then the load parameters can be obtained through analyzing the cascade failure process.Finally, the effectiveness of the proposed method are verified by experiment. |
| Key words: scale-free network cascading failure load weight capacity |
