On pairwise connectivity of wireless multihop networks
by Fangting Sun, Mark A. Shayman
International Journal of Security and Networks (IJSN), Vol. 2, No. 1/2, 2007

Abstract: This paper experimentally investigates the service availability of wireless multihop networks based on the following two metrics: Average Pairwise Connectivity (APC) and Pairwise Connected Ratio (PCR), where the former denotes the average number of node-disjoint paths per node pair and the latter is the fraction of node pairs that are pairwise connected. A theoretical upperbound are derived for APC, which can approximate the exact value very well. We also studied the fault tolerance and attack resilience and proposed a new resilience metric, α-ρ-resilience, where a network is α-ρ-resilient if at least a portion of nodes pairs remain connected as long as no more than p percentage nodes are removed. Three different node removal patterns are studied: random removal, selective removal and partition. The experimental studies show that wireless multihop networks are more sensitive to partition and selective removal attacks are a little bit more severe than random removal attacks.

Online publication date: Fri, 16-Mar-2007

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