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標題: An efficient error prevention and recovery scheme for multicast traffic in data center networks
作者: Hsueh-Wen Tseng
Ting-Ting Yang
Wan-Chi Chang
Yu-Xiang Lan
關鍵字: Data center networks;Error prevention;Multicast;Error recovery
出版社: Journal of Network and Computer Applications
Project: Journal of Network and Computer Applications Volume 114, 15 July 2018, Pages 38-47
In cloud application services, data are generally transmitted by multicast-based group communications to avoid transmission of duplicate packets and reduce bandwidth waste. However, the data amount in data center networks (DCNs) has increased to the scale of tremendous data over time. Tremendous data can be processed only through DCNs by using distributed computing technologies. Consequently, a large flow of multicasts has been generated. DCNs comprise a high number of commodity servers and switches, which exhibit limited capabilities to process packets. Subsequently, the rate of multicast congestion in DCNs increases substantially, resulting in severe packet loss and transmission error. Packet loss and transmission error cause all transmitting devices to retransmit data, resulting in network bandwidth waste, transmission delay, and disrupted transmission of other data. Consequently, network congestion is exacerbated, and the entire multicast tree crashes. Therefore, this paper proposes an error prevention and recovery multicast, which enables areas of errors to be effectively inferred and reduces the chain effects of errors by using repair multicast trees and multiple multicast trees that share error information, thereby effectively reducing the costs of reconstructing multicast trees. Simulation results show that the proposed scheme significantly improves the costs of reconstructing multicast trees and the transmission delay.
DOI: 10.1016/j.jnca.2018.03.029
Appears in Collections:資訊科學與工程學系所

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