智能光网络中分层路由的新算法  

A Hierarchical Routing Algorithm in ION

作　　者：罗沛[1] 黄善国[1] 连伟华[1] 李彬[1] 顾畹仪[1] 

机构地区：[1]北京邮电大学光通信与光波技术教育部重点实验室,北京100876

出　　处：《北京邮电大学学报》2009年第2期106-110,共5页Journal of Beijing University of Posts and Telecommunications

基　　金：国家自然科学基金项目(60702005);国家"863计划"项目(2006AA01Z244);高等学校博士学科点专项科研基金项目(20070013022)

摘　　要：针对智能光网络(ION)中的层次结构,提出了DHBR和DHROG 2种分层路由算法.2种算法均基于固定层备选路由策略,着重考虑了各层域间链路与网关节点处的资源协调与均衡.离散事件仿真结果表明,2种算法均可以有效地提高网络性能,得到较低的阻塞率,并具有较好的时间特性.The hierarchical routing infrastructure in intelligent optical network （ION） is researched. Two algorithms called dynamic hierarchical balancing routing algorithm （DHBR） and dynamic hierarchical routing algorithm based on optimized gateways （DHROG） are proposed in which the resource coordination, the balance for inter-domain links and the gateway nodes are considered based on fixed alternate hierarchical routing. Simulation shows that the average block probability of the network can be reduced effectively with acceptable time performance by these algorithms.

关 键 词：层次路由 智能光网络 域间路由 固定备选路由 路由与波长分配 

分 类 号：TN929.11[电子电信—通信与信息系统]