【摘要】：提高節(jié)點的負載容忍度可提高相依網(wǎng)絡的魯棒性,合理的負載冗余策略有助于降低成本。為研究相依網(wǎng)絡節(jié)點負載容忍度與相依網(wǎng)絡魯棒性之間的關系及影響容忍度的因素,定義了節(jié)點負載容忍度和高容忍度節(jié)點比例兩個參數(shù),對負載失效和相依失效作用下相依網(wǎng)絡的級聯(lián)失效過程進行分析。結果表明在一定相依網(wǎng)絡魯棒性下負載容忍度存在上下兩個閾值,且平均度是影響閾值大小的主要因素,同時證實了提高部分節(jié)點的負載容忍度也能提高相依網(wǎng)絡的魯棒性,可為設計相依網(wǎng)絡系統(tǒng)提供借鑒。
[Abstract]:Increasing the load tolerance of nodes can improve the robustness of dependent networks, and a reasonable load redundancy strategy is helpful to reduce the cost. In order to study the relationship between node load tolerance and robustness of dependent network and the factors affecting tolerance, two parameters, node load tolerance and high tolerance node ratio, are defined. The cascade failure process of dependent network under load failure and dependent failure is analyzed. The results show that there are two upper and lower thresholds for load tolerance under the robustness of certain dependent networks, and the average degree is the main factor affecting the threshold size. At the same time, it is proved that increasing the load tolerance of some nodes can also improve the robustness of dependent networks. It can provide reference for the design of dependent network system.
【作者單位】： 國防科技大學信息系統(tǒng)工程重點實驗室;后勤學院后勤司令部工作系;
【基金】：國家自然科學基金(61603408)資助課題
【分類號】：O157.5

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