Design of wavelength rotation graph model applied in wavelength switching optical network

ZHAO Ji-jun1; ZHANG Shu-guang1; ZHAO Wen-yu2

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Design of wavelength rotation graph model applied in wavelength switching optical network

更新时间：2024-10-14

- Design of wavelength rotation graph model applied in wavelength switching optical network
- Vol. 31, Issue 5, Pages: 44-50(2010)
- 作者机构：
  
  1. 河北工程大学信息与电气工程学院
  2. 工业和信息化部电信传输研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN929.11
- Published：2010
- 稿件说明：
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ZHAO Ji-jun1, ZHANG Shu-guang1, ZHAO Wen-yu2. Design of wavelength rotation graph model applied in wavelength switching optical network[J]. 2010, 31(5): 44-50.
DOI：

ZHAO Ji-jun1, ZHANG Shu-guang1, ZHAO Wen-yu2. Design of wavelength rotation graph model applied in wavelength switching optical network[J]. 2010, 31(5): 44-50. DOI：

摘要

将网络虚拓扑链路及关联波长均匀分布到旋转球体的表面

建立了新型的波长交换光网络(WSON)的波长旋转图模型

并基于旋转图模型提出了路由波长分配(RWA)新策略及算法。仿真结果表明

每条链路的总波长数分别为4和8时

新策略算法的阻塞率平均降低5.03%和9.71%

资源利用率平均提高3.3%和1.54%。该模型用于解决具有波长转换能力的RWA问题效果明显。

Abstract

Based on distributing uniformly virtual network topology links and associated wavelengths to the surface of rotating sphere

a new wavelength rotation graph model of wavelength switching optical network（WSON） was constructed

and a creative method to solve the routing and wavelength assignment（RWA） problems was proposed.The simulation results show that if the wavelength number of each link is set separately to 4 and 8

the average blocking probability of the RWA based on the rotation graph model reduces by 5.03% and 9.71%

and the average resource utilization increases by 3.3% and 1.54% respectively

as compared with the existing model.This method would be useful for solving the problem of optical network RWA which has wavelength conversion capabilities.

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