摘要
通过研究自动交换光网络(ASON)多域分层路由体系结构,提出了基于speaker节点的拓扑信息路由通告机制,实现了分层网络的拓扑发现、同步和路由计算.结果表明,路由控制负载和链路状态数据库的大小都随着路由层数的增加而迅速地降低.该机制能解决大规模网络的可扩展性问题,节约节点存储空间和提高路由效率.
The routing infrastructure of multi-area and hierarchy in the automatically switched optical network （ASON） was researched. A notification mechanism of topology information based on speaker node is proposed, which realizes topology discovery, synchronization and routing computation in the hierarchical network. The simulation showed that the size of routing load and link state database （LSDB） was rapidly decreased with the increase of routing layers. This mechanism can solve the scalability of the network, save the memory space of the node and improve the routing efficiency.
出处
《北京邮电大学学报》
EI
CAS
CSCD
北大核心
2007年第1期114-117,共4页
Journal of Beijing University of Posts and Telecommunications
基金
国家"863计划"项目(2005AA122320)
国家自然科学基金项目(60572021)
教育部高等学校博士点/博士后项目(20040013001)
国家杰出青年科学基金项目(60325104)
关键词
自动交换光网络
拓扑汇聚
speaker通告
分层路由
automatically switched optical network
topology aggregation
speaker notification
hierarchical routing
