OSNR Awareness Based Lightpath Optimization in SDON

JING Guo-gang; CHEN Chang-song; LIU Zhan-bin

doi:10.13756/j.gtxyj.2017.01.003

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OSNR Awareness Based Lightpath Optimization in SDON

- OSNR Awareness Based Lightpath Optimization in SDON
- Study on Optical communication Issue 1, Pages: 7-9(2017)
- 作者机构：
  
  公安部第三研究所
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2017.01.003
  CLC： TN929.1
- Published：2017，
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[1]静国刚,陈长松,刘占斌.基于OSNR感知的SDON路径优化机制[J].光通信研究,2017(01):7-9+18.

JING Guo-gang, CHEN Chang-song, LIU Zhan-bin. OSNR Awareness Based Lightpath Optimization in SDON. [J]. (1):7-9(2017)
[1]静国刚,陈长松,刘占斌.基于OSNR感知的SDON路径优化机制[J].光通信研究,2017(01):7-9+18. DOI： 10.13756/j.gtxyj.2017.01.003.

JING Guo-gang, CHEN Chang-song, LIU Zhan-bin. OSNR Awareness Based Lightpath Optimization in SDON. [J]. (1):7-9(2017) DOI： 10.13756/j.gtxyj.2017.01.003.

摘要

随着SDON（软件定义光网络）向着超高速大容量方向发展

网络规模日益庞大

光路长度的增长面临着各种信号损伤的问题。为此

文章提出了一种基于OSNR（光信噪比）感知的路径优化机制。该机制将光信噪性能作为建立光路连接的重要判断条件

并在光网络的流表交互过程中引入OSNR因素

从而避免接收端节点因误码率过高而导致通信阻塞。仿真结果表明

所提机制在非理想的光网络环境下能够有效提高光路建立的成功率。

Abstract

As optical networks evolve toward Software Defined Optical Networks（SDON）with higher speed and greater capacity

the scale of optical networks is also enlarged increasingly

which leads to the longer lightpath and accumulated optical signal degradation problems.In order to solve this problem

this paper proposes a Optical Signal Noise Rate（OSNR）awareness based lightpath optimization scheme in OpenFlow enabled SDON.This proposed scheme is able to take the OSNR factor into consideration and introduce OSNR factor into the lightpath establishment and wavelength allocation.Thus

the communication blocking due to low OSNR value can be avoided.Simulation results show that the proposed scheme can achieve better performance on successive rate of lightpath establishment under non-ideal networks.

关键词

软件定义光网络OpenFlow软件光信噪比路径优化

Keywords

SDONOpenFlow softwareOSNRlightpath optimization

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