在强大的模块化网络中存在普遍的脆弱性,其分布从不平等到平等的不同程度
1Japan Advanced Institute of Science and Technology, Graduate School of Advanced Institute of Science and Technology, Ishikawa, 923-1292, Japan. yhayashi@jaist.ac.jp.
Scientific reports
|September 26, 2025
概括
具有平等链接分布的网络更具弹性. 然而,添加强大的社区结构使网络变得脆弱,强调需要平衡的连接和资源分配,以便更好地容忍干扰.
科学领域:
- 网络科学 网络科学
- 复杂系统分析 复杂系统分析
- 系统生物学 系统生物学
- 社会学 社会学 社会学
- 计算机科学 计算机科学
背景情况:
- 网络通常根据程度分布分为不平等 (少数节点具有许多链接,许多具有很少) 和平等 (所有节点具有相似的链接) 类型.
- 之前的研究表明,更平等的网络对随机设置中的节点故障和碎片化具有更大的耐受性.
研究的目的:
- 调查强大的模块化 (社区) 结构对网络漏洞的影响.
- 重新评估网络设计原则,同时考虑效率和对故障或灾害的耐受性.
主要方法:
- 具有不同程度分布和模块化的网络结构的比较分析.
- 在模拟节点故障下检查网络连接和碎片化.
- 探索结合社区结构的随机网络模型.
主要成果:
- 虽然平等网络通常表现出更高的容忍度,但引入强大的社区结构使它们极其脆弱.
- 当基于共同利益或目的的模块化被强加时,具有典型结构的网络变得脆弱.
- 矛盾的是,密集的社区间连接可以降低整体网络弹性.
结论:
- 避免社区内部和社区之间的过度密集的连接,以提高网络的稳定性.
- 优先考虑在社区内部和社区间的联系之间均衡的资源分配.
- 网络设计必须考虑对攻击和灾难的容忍,而不仅仅是效率,特别是当有强大的社区联系时.
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