On Intentional Attacks and Protections in Complex Communication Networks

Details On Intentional Attacks and Protections in Complex Communication Networks On Intentional Attacks and Protections in Complex Communication Networks

2006-09-13

arxiv.org/abs/cs/0609077v1

Computer Science

Networking and Internet Architecture

5 pages, 11 figures, accepted by IEEE Globecom 2006 conference

Scientific paper

Being motivated by recent developments in the theory of complex networks, we examine the robustness of communication networks under intentional attack that takes down network nodes in a decreasing order of their nodal degrees. In this paper, we study two different effects that have been largely missed in the existing results: (i) some communication networks, like Internet, are too large for anyone to have global information of their topologies, which makes the accurate intentional attack practically impossible; and (ii) most attacks in communication networks are propagated from one node to its neighborhood node(s), utilizing local network-topology information only. We show that incomplete global information has different impacts to the intentional attack in different circumstances, while local information-based attacks can be actually highly efficient. Such insights would be helpful for the future developments of efficient network attack/protection schemes.

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