An Energy-Optimized Mixed-Line-Rate Dedicated Protection Approach in Software-Defined Flexible Bandwidth Optical Networks

FU Xiao-dong; CHEN Bo-wen; LEI Yu

doi:10.13756/j.gtxyj.2019.02.002

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An Energy-Optimized Mixed-Line-Rate Dedicated Protection Approach in Software-Defined Flexible Bandwidth Optical Networks

- An Energy-Optimized Mixed-Line-Rate Dedicated Protection Approach in Software-Defined Flexible Bandwidth Optical Networks
- Study on Optical communication Issue 2, Pages: 6-10(2019)
- 作者机构：
  
  1. 中天宽带技术有限公司
  2. 苏州大学电子信息学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2019.02.002
  CLC： TN929.1
- Published：2019，
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[1]符小东,陈伯文,雷雨.面向能耗优化的混合线速率保护方法研究[J].光通信研究,2019(02):6-10+18.

FU Xiao-dong, CHEN Bo-wen, LEI Yu. An Energy-Optimized Mixed-Line-Rate Dedicated Protection Approach in Software-Defined Flexible Bandwidth Optical Networks. [J]. (2):6-10(2019)
[1]符小东,陈伯文,雷雨.面向能耗优化的混合线速率保护方法研究[J].光通信研究,2019(02):6-10+18. DOI： 10.13756/j.gtxyj.2019.02.002.

FU Xiao-dong, CHEN Bo-wen, LEI Yu. An Energy-Optimized Mixed-Line-Rate Dedicated Protection Approach in Software-Defined Flexible Bandwidth Optical Networks. [J]. (2):6-10(2019) DOI： 10.13756/j.gtxyj.2019.02.002.

摘要

在软件定义频谱灵活光网络中

为了解决网络的能耗效率问题

满足绿色与节能的网络发展需求

本文根据光交换节点的可编程特性

通过OpenFlow扩展通信协议

利用软件定义频谱灵活光网络的服务架构

网络中心控制器与应用层控制器协同操作

提出了面向能耗优化的混合线速率保护方法

并对传统专用保护方法与所提方法进行了比较。仿真结果表明:与传统专用保护方法相比

所提面向能耗优化的混合线速率保护方法能够有效减少软件定义频谱灵活光网络的功耗

实现不同线速率的光转发器和光再生器优化配置

解决软件定义频谱灵活光网络的能耗效率问题。

Abstract

In Software-Defined Flexible Bandwidth Optical Networks（SD-FBONs）

the energy-efficiency problems have to be solved in order to meet the requirements of the green and energy-saving optical networks. In this paper

considering the programmable characteristics of optical switching nodes

the service architecture of SD-FBONs is flexibly operated by the network center controller and application layer controller based on the extended OpenFlow protocol. An Energy-Optimized Mixed-Line-Rate Dedicated Protection Approach（EO-MLR-DPA） is proposed to reduce the energy consumption

and the Traditional Dedicated Protection Approach（T-DPA） is introduced for comparison in SD-FBONs. The simulation results show that

compared with T-DPA

the proposed EO-MLR-DPA can effectively reduce the power consumption and optimize the configuration of the optical transponder and optical regenerator under different line rates and modulation formats in SD-FBONs.

关键词

软件定义网络频谱灵活光网络能耗效率

Keywords

software-defined networksflexible bandwidth optical networksenergy efficiency

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3SOC Lab,Institute of Microelectronics,Chinese Academy of Sciences

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