Reliability evaluation of a multicast over coded packet networks

M. A. Raayatpanah () and P. M. Pardalos
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M. A. Raayatpanah: Kharazmi University
P. M. Pardalos: University of Florida

Journal of Combinatorial Optimization, 2018, vol. 35, issue 3, No 15, 940 pages

Abstract: Abstract Network coding is a generalization of conventional routing methods that allows a network node to code information flows before forwarding them. While it has been theoretically proved that network coding can achieve maximum network throughput, theoretical results usually do not consider the stochastic nature in information processing and transmission, especially when the capacity of each arc becomes stochastic due to failure, attacks, or maintenance. Hence, the reliability measurement of network coding becomes an important issue to evaluate the performance of the network under various system settings. In this paper, we present analytical expressions to measure the reliability of multicast communications in coded networks, where network coding is most promising. We define the probability that a multicast rate can be transmitted through a coded packet network under a total transmission cost constraint as the reliability metric. To do this, we first introduce an exact mathematical formulation to construct multicast connections over coded packet networks under a limited transmission cost. We then propose an algorithm based on minimal paths to calculate the reliability measurement of multicast connections and analyze the complexity of the algorithm. Our results show that the reliability of multicast routing with network coding improved significantly compared to the case of multicast routing without network coding.

Keywords: Communication network; Network coding; Network optimization; Multicast; Reliability (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s10878-017-0242-x

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