Vulnerable Regions of Networks on Sphere

Bálazs Vass, László Németh, Martin Zachariasen, A. Sousa, János Tapolcai
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引用次数: 3

Abstract

Several recent works shed light on the vulnerability of networks against regional failures, which are failures of multiple equipments in a geographical region as a result of a natural disaster. In order to enhance the preparedness of a given network to natural disasters, regional failures and associated Shared Risk Link Groups (SRLGs) should be first identified. For simplicity, most of the previous works assume the network is embedded on an Euclidean plane. Nevertheless, since real networks are embedded on the Earth surface, this assumption causes distortion. In this work, we generalize some of the related results on plane to sphere. In particular, we focus on algorithms for listing SRLGs as a result of regional failures of circular shape.
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球面上网络的脆弱区域
最近的几项研究揭示了网络在应对区域故障时的脆弱性,区域故障是指自然灾害导致的地理区域内多个设备的故障。为了加强特定网络对自然灾害的防范,首先应该确定区域故障和相关的共享风险链接组(SRLGs)。为了简单起见,以前的大多数工作都假设网络嵌入在欧几里得平面上。然而,由于真实的网络嵌入地球表面,这种假设会导致失真。本文将平面上的一些相关结果推广到球面上。特别地,我们专注于列出由于圆形区域失效而导致的SRLGs的算法。
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