Research on D<sup>*</sup> principle-based dynamic routing and wavelength assignment algorithm

Zhang Ying; Zhu Na; Zhu Shifen

doi:10.13756/j.gtxyj.2007.02.002

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Research on D^* principle-based dynamic routing and wavelength assignment algorithm

- Research on D^* principle-based dynamic routing and wavelength assignment algorithm
- Study on Optical communication Issue 2, Pages: 4-7(2007)
- 作者机构：
  
  1. 江苏大学计算机科学与通信工程学院
  2. 江苏大学计算机科学与通信工程学院江苏镇江212013
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2007.02.002
  CLC： TN929.1
- Published：2007，
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[1]张颖,朱娜,朱士芬.基于D~*思想的动态RWA算法研究[J].光通信研究,2007(02):4-7.

Zhang Ying, Zhu Na, Zhu Shifen. Research on D^* principle-based dynamic routing and wavelength assignment algorithm. [J]. (2):4-7(2007)
[1]张颖,朱娜,朱士芬.基于D~*思想的动态RWA算法研究[J].光通信研究,2007(02):4-7. DOI： 10.13756/j.gtxyj.2007.02.002.

Zhang Ying, Zhu Na, Zhu Shifen. Research on D^* principle-based dynamic routing and wavelength assignment algorithm. [J]. (2):4-7(2007) DOI： 10.13756/j.gtxyj.2007.02.002.

摘要

文章提出一种基于D*（D-Star）思想的启发式算法

求解波分复用（WDM）光网络中动态路由和波长分配（RWA）问题。将网络中各边代价与当前波长使用情况综合考虑

建立D*算法的估价函数

实现了WDM光网络中动态业务的高效分配。仿真结果表明

该算法能有效降低阻塞率

促进波长资源的合理分配

同时

其快速和智能特性也提高了网络故障环境下的生存性。

Abstract

A heuristic algorithm based on D * principle is proposed for the dynamic Routing and Wavelength Assignment（RWA） in WDM networks.On the basis of comprehensive considerations of the cost of each edge and the current use of wave-lengths in the network

the evaluation function of D* algorithm is constructed

achieving efficient assignment of the dynamic traffics in WDM networks.The simulation results show that this algorithm can effectively reduce the blocking rates

promote the rational assignment of the wavelength resource and at the same time its rapid and intelligent performances enhance the net-work survivability in a faulty environment.

关键词

波分复用光网络路由和波长分配D*算法仿真阻塞率

Keywords

WDM networksRWAD* algorithmsimulationblocking rate

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Related Institution

Guomai Information College,Fujian University of Technology

Fuzhou Institute of Technology

College of Optoelectronic Engineering,Nanjing University of post & Telecommunications

School of Electronic and Information Engineering, Soochow University

Electric Power Research Institute,State Grid Sichuan Electric Power Compamy

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Research on D* principle-based dynamic routing and wavelength assignment algorithm

DOI：10.13756/j.gtxyj.2007.02.002

摘要

Abstract

关键词

Keywords

references

Research on D^* principle-based dynamic routing and wavelength assignment algorithm