Shortest paths in stochastic networks
Lloyd-Smith, B.; Kist, A.A.; Harris, R.J.; Shrestha, N.
Networks, 2004. (ICON 2004). Proceedings. 12th IEEE International Conference on
Volume 2, Issue , 16-19 Nov. 2004 Page(s): 492 - 496 vol.2
Digital Object Identifier   10.1109/ICON.2004.1409216
Summary: This paper discusses the sensitivity of network flows to uncertain link state information for various routing protocols. We show that the choice of probability distribution for the link metrics for a given network can have markedly different effects on the probabilities of path selection. Exact results are obtained for these probabilities but their computation is NP-hard. We provide simulation results for three networks to illustrate the sensitivity of shortest paths to different link metric distributions. We provide results for mean path costs and the k-shortest path algorithm as a comparison.

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