towards attack tolerant networks: concurrent multipath routing and the butterfly network.

Clicks: 135
ID: 141082
2019
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Ranked #195 of 234 articles by views in ensaio pesquisa em educação em ciências

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Abstract
It is crucial for large-scale communication networks such as the internet to be resilient against attacks such as censorship and surveillance, which pose a threat to free expression and free association. Self-organized networks such as the internet's router network typically have heavy-tailed degree distributions, making them highly vulnerable to targeted attacks against central nodes. While cryptographic solutions exist, they fail to address the underlying topological problem, and remain vulnerable to man-in-the-middle attacks and coercion. Coercion-resistant, topological approaches to attack tolerance are needed to address the current vulnerability of communications infrastructure to censorship and surveillance. We present a novel concurrent multipath routing (CMR) algorithm for the wraparound butterfly network topology, as well as a highly attack-tolerant Structured Multipath Fault Tolerance (SMFT) architecture which incorporates the butterfly CMR algorithm. We also identify a previously unexplored relationship between network topology, trust transitivity, and attack-tolerance, and provide a framework for further exploration of this relationship. Our work is the first theoretical demonstration of a point-to-point communication network architecture that can resist coercion and other non-technical attacks, without requiring infinitely transitive trust. To address cases where the network structure cannot be fully controlled, we demonstrate how a snapshot of the internet's router network can be partially rewired for greater attack-tolerance. More broadly, we hope that this work will serve as a starting point for the evelopment of additional topology-based attack-tolerant communication architectures to guard against the dangers of censorship and surveillance.
Reference Key
platt2019plostowards Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Edward L Platt;Daniel M Romero
Journal ensaio pesquisa em educação em ciências
Year 2019
DOI
10.1371/journal.pone.0214292
URL
https://doi.org/10.1371/journal.pone.0214292
Keywords
medicinescience

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