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The paper is devoted to introduce and describe an approach leading to sub-optimal traffic routing in unreliable packet-switched computer network. It is assumed that average packet delay in unreliable network may be estimated based on average packet delays obtained both for the reliable and the unreliable networks; it is approximated by linear function of both considered delays. It is also assumed that optimal routing in network, when failure of particular channel occurs may be replaced by re-routing performed only in some separate part of the network containing the channel with failure.
Date of Conference: 16-18 Aug. 2005