基于多径和最优频谱连续性的柔性带宽光网络Pbit/s光交换节点频谱碎片处理方法

2014 13th International Conference on Optical Communications and Networks (ICOCN) Pub Date : 2014-12-18 DOI:10.1109/ICOCN.2014.6987148

Nengxian Li, Lijia Zhang, Bo Liu, Qi Zhang, Yongjun Wang, Qinghua Tian, Xiaoli Yin, X. Xin

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引用次数: 0

摘要

提出了一种新的Pbit/s光交换节点路由和频谱分配(RSA)方法:基于多路径和最优频谱连续性(MOSC)的碎片化方法。该方法缓解了柔性带宽光网络中Pbit/s光交换节点由于新连接动态分配频谱资源而产生的频谱碎片问题。仿真结果表明，该策略具有较高的频谱效率和较小的阻塞概率，对流量速率变化具有较高的适应性。

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Multipath and optimal spectrum continuity based method for spectrum de-fragmentation in Pbit/s optical switching node of flexible bandwidth optical networks

This paper proposes a novel Routing and Spectrum Assignment (RSA) method in Pbit/s optical switching node: Multipath and Optimal Spectrum Continuity based (MOSC) method for de-fragmentation. This method mitigates spectrum fragmentation occurs in Pbit/s optical switching node of flexible bandwidth optical networks due to dynamic allocation of spectrum resources for new connections. Simulation results show that the novel strategy achieves a better spectral efficiency and a smaller blocking probability with high adaptability to the traffic rate variation.

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来源期刊

2014 13th International Conference on Optical Communications and Networks (ICOCN)

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