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Erasure-coded storages provide data reliability for big data archiving and backup with high storage efficiency. However, erasure code generates a large amount of data transmission traffic in both encoding (write) and decoding (repair) which costs substantial bandwidth in the network. Most of the existing work focus on the decoding cost due to the importance of data repair, but unfortunately overlooks...
Network Coding is a recent technique that has many advantages such as reducing the bandwidth consumption and increasing the throughput. IROCX [1] is a routing algorithm that applies Network Coding while considering the interference impact. However, it assumes a constant transmission power. We extend IROCX by allowing the nodes to transmit with several power levels. Our approach, TC-IROCX (Topology...
Traditional method of solving group communications problem is by placing a super source with unlimited bandwidth to all sources. In this paper, we show that this method cannot guarantee the fairness within different sources for routing. Also in certain scenarios, the method can lead to wrong conclusion of network achieving higher throughput than it can actually deliver. Two algorithms are presented,...
Routing is a critical problem in networking technology. The basic problem of QoS routing is to satisfy some network parameters constrained of many conditions which is not only a NP-complete problem but also QoS parameters are nondeterministic even fuzzy. Some practical heuristic algorithms are researched to solve such a problem. Based on Partheno-GA with Binary Coding, the network model and mathematical...
With the popularity of mobile communication, the importance of backbone network of the mobile networks, i.e. mobile backhaul networks, has increased significantly. With the decreasing size of mobile network system cells, it is considered next-generation mobile backhaul networks will be mesh-based. To reduce the operating expenses, i.e. OPEX, of the network, mobile network carriers are beginning to...
Network coding is a promising generalization of routing which allows a network node to generate output messages by encoding its received messages to reduce the bandwidth consumption in the network. An important application where network coding offers unique advantages is the multicast network where a source node generates messages and multiple receivers collect the messages. Previous network coding...
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