| 波分复用光网中的一种新型波长分配算法 |
| |
| 引用本文： | 赵志勇,邵子瑜,李正斌,王子宇,徐安士.波分复用光网中的一种新型波长分配算法[J].电子学报,2003,31(11):1721-1724. |
| |
| 作者姓名： | 赵志勇 邵子瑜 李正斌 王子宇 徐安士 |
| |
| 作者单位： | 北京大学区域光纤通信网与新型光通信系统国家重点实验室,北京 100871 |
| |
| 基金项目： | 国家自然科学基金 (No .60 2 72 0 2 3 ,No.90 1 0 4 0 0 3)，博士点基金 (No.2 0 0 2 0 0 0 2 1 0 2 )，863项目 (No.2 0 0 1AA1 2 2 0 1 2 ,No.2 0 0 3AA1 0 341 0 ,No.2 0 0 3AA1 2 2 540 ) |
| |
| 摘 要： | 目前网络承载业务的趋势是以IP为中心的数据业务,从而促进了以WDM光网络向高速和宽带多波长的应用和普及,为了进一步提高网络的性能并提高资源利用率,出现了光网络控制面技术.路由选择与波长分配问题是WDM光传输网络控制面中非常重要的问题之一.目前实际应用最广泛的波长分配算法是First-Fir(FF)算法.本文基于FF算法,研究动态业务下波分复用光网络在固定选路下的波长分配问题,提出了一种新的波长分配启发式算法——Joint First Fit.计算机仿真试验表明,与常用的FF算法相比,该算法显著的降低了网络呼叫阻塞率,有利于提高网络资源的利用率.
|
| 关 键 词： | WDM光网 路由与波长分配 动态波长分配 |
| 文章编号： | 0372-2112(2003)11-1721-04 |
| 收稿时间： | 2002-07-15 |
A New Wavelength Assignment Algorithm for WDM Optical Network |
| |
| ZHAO Zhi-yong,SHAO Zi-yu,LI Zheng-bin,WANG Zi-yu,XU An-shi.A New Wavelength Assignment Algorithm for WDM Optical Network[J].Acta Electronica Sinica,2003,31(11):1721-1724. |
| |
| Authors: | ZHAO Zhi-yong SHAO Zi-yu LI Zheng-bin WANG Zi-yu XU An-shi |
| |
| Affiliation: | National Key Lab of Optical Fiber Communication Systems and Networks,Peking University,Beijing 100871,China |
| |
| Abstract: | With the explosive growing of IP Data traffic,the carrier network is put forward to optical networks based on WDM technologies.And,accordingly several techniques have been proposed to improve the performance of the optical network,especially the control plane technology.Routing and Wavelength assignment (RWA) is one of the very important problems in WDM optical transmission network.Based on the conventional method named first fit (FF),a novel and heuristic algorithm called joint first fit (JFF) schemes is proposed for dynamic wavelength assignment in optical control plane of WDM network.Simulation results show that blocking probability can be significantly reduced and wavelength resource can be more efficiently used compared with First-Fit (FF) algorithm. |
| |
| Keywords: | WDM optical network RWA dynamic wavelength assignment |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《电子学报》浏览原始摘要信息 |
|
点击此处可从《电子学报》下载全文 |
|
