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An Algorithm for Computing the Best-Performing Path in a Computer Network

Volume 3, Number 2, April 2007 - Paper 1  - pp. 203 - 212


1Department of Electrical Engineering, National Institute of Technology, Kurukshetra, INDIA 136119
2Department of Electronics and Communication Engineering, Jaypee University of Information Technology, Waknaghat, Solan, H.P., INDIA 173215

(Received on February 28, 2006)


This paper addresses the problem of transmitting a given amount of data along a single path from the sending end node to the receiving end node in a directed network so that the performance of transmission is best. The performance of the transmission along a path is described in terms of an expression defined as performance reliability (PR). PR is a function of each link's reliability, capacity, and delay. A path is said to be a best-performing path (BPP) if the performance reliability of this path is maximum among all the available paths between the two specified nodes. The algorithm developed for selecting the best-performing path uses Dijkstra's shortest path algorithm. The proposed algorithm is more suitable for store-and-forward data transmission. The best-performing path selection is an important precomputation in developing routing protocols considering reliability, capacity and delay.


References: 16

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