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Analyzing the Fault Tolerance of Double-Loop Networks

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journal contribution
posted on 01.08.1994, 00:00 by Jon Peha, Fouad A. Tobagi
The paper analyzes the fault tolerance of a class of double-loop networks referred to as forward-loop backward-hop (FLBH), in which each node is connected via unidirectional links to the node one hop in front of it and to the node S hops in back of it for some S. A new measure of fault tolerance is described, along with techniques based on Markov chains to calculate upper and lower bounds on the fault tolerance of this network topology quickly and efficiently. The results of these calculations provide a more precise description of network fault tolerance than has been achieved with previously published techniques