A fair priority-based wavelength assignment algorithm for WDM optical networks

Liu Fengzhou; Pan Wei; Luo Bin; Meng Chao

doi:10.13756/j.gtxyj.2007.02.001

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A fair priority-based wavelength assignment algorithm for WDM optical networks

- A fair priority-based wavelength assignment algorithm for WDM optical networks
- Study on Optical communication Issue 2, Pages: 1-3(2007)
- 作者机构：
  
  1. 西南交通大学信息科学与技术学院
  2. 西南交通大学信息科学与技术学院四川成都610031
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2007.02.001
  CLC： TN929.1
- Published：2007，
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[1]刘凤洲,潘炜,罗斌,孟超.一种公平的多优先级WDM光网络波长分配算法[J].光通信研究,2007(02):1-3+41.

Liu Fengzhou, Pan Wei, Luo Bin, et al. A fair priority-based wavelength assignment algorithm for WDM optical networks. [J]. (2):1-3(2007)
[1]刘凤洲,潘炜,罗斌,孟超.一种公平的多优先级WDM光网络波长分配算法[J].光通信研究,2007(02):1-3+41. DOI： 10.13756/j.gtxyj.2007.02.001.

Liu Fengzhou, Pan Wei, Luo Bin, et al. A fair priority-based wavelength assignment algorithm for WDM optical networks. [J]. (2):1-3(2007) DOI： 10.13756/j.gtxyj.2007.02.001.

摘要

文章研究了波分复用（WDM）光网络中动态业务下的波长分配问题

在无波长转换器的条件下

提出了一种加入了公平性考虑的动态门限算法。该算法在支持多优先级的动态门限法的基础上

通过更新初始优先级减少了不同距离光路连接请求间的阻塞率差别

改善了公平性。计算机仿真结果说明了该算法的有效性。

Abstract

In this paper

wavelength assignment in WDM optical networks with dynamic traffic is studied and a fair priority-based dynamic threshold algorithm for wavelength assignment without wavelength conversion proposed.By using this algo-rithm

the difference in blocking rates among lightpath connection requests for different distances is reduced by updating the ini-tial priority levels and fairness in the wavelength assignment improved.Simulation results show that the proposed algorithm is effective.

关键词

波分复用波长分配公平性

Keywords

WDMwavelength assignmentfairness

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