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Power-Aware Lightpath Management for SDN-Based Elastic Optical Networks

机译:基于SDN的弹性光网络的电源感知光路管理

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Elastic optical networks (EONs) are considered as the most promising technology for interconnecting data centers. With the rapid growth of inter-datacenter traffic, power consumption of EONs becomes a significant challenge. In this work, we present a lightpath management algorithm that uses traffic prediction techniques to eliminate unnecessary lightpath termination and re-establishment so as to decrease switching power and enhance the energy efficiency of the network. Our algorithm builds upon the centralized control and capabilities of software defined networking (SDN) technology. Numerical results show that the proposed algorithm is effective in achieving substantial savings in power consumption while maintaining a bandwidth blocking ratio at levels comparable to those of earlier algorithms.
机译:弹性光网络(EONS)被认为是互连数据中心最有前途的技术。随着数据中心间交通的快速增长,EONS的功耗成为一项重大挑战。在这项工作中,我们介绍了一种光路管理算法,它使用流量预测技术来消除不必要的光路终端和重新建立,以降低开关功率并提高网络的能量效率。我们的算法基于软件定义网络(SDN)技术的集中控制和功能。数值结果表明,该算法有效地实现功耗的大量节省,同时保持与早期算法相当的水平的带宽阻塞比。

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