Network coding based all-optical multicast in WDM networks

Q4 Computer Science
Qu Zhijian, Zhang Xianwei, Shi Shaojian, Cao Yanfeng, Zhao Mingbo
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引用次数: 4

Abstract

Wavelength division multiplexing (WDM) has been becoming a promising solution to meet the rapidly growing demands on bandwidth. Multicast in WDM networks by employing free wavelength is an efficient approach to saving bandwidth and cost. However, the free wavelength may not identical between different hops in a multicast light-path, particularly in heavy load optical WDM networks. In order to implement multicast applications efficiently, a network coding (NC) technique was introduced into all-optical WDM multicast networks to solve wavelength collision problem between the multicast request and the unicast request. Compared with the wavelength conversion based optical multicast, the network coding based optical multicast can achieve better multicast performance with paying lower cost.

WDM网络中基于网络编码的全光组播
波分复用(WDM)已成为一种很有前途的解决方案,以满足快速增长的带宽需求。在WDM网络中使用自由波长进行多播是节省带宽和成本的有效方法。然而,在多播光路中的不同跳之间,自由波长可能不相同,特别是在重负载光WDM网络中。为了有效地实现多播应用,在全光WDM多播网络中引入了网络编码(NC)技术,以解决多播请求和单播请求之间的波长冲突问题。与基于波长转换的光组播相比,基于网络编码的光组播可以以更低的成本获得更好的组播性能。
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来源期刊
CiteScore
0.50
自引率
0.00%
发文量
1878
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