北京邮电大学学报

  • EI核心期刊

北京邮电大学学报 ›› 2007, Vol. 30 ›› Issue (1): 114-117.doi: 10.13190/jbupt.200701.114.tanzh

• 研究报告 • 上一篇    下一篇

多域分层ASON路由技术

谭 志, 纪越峰   

  1. 北京邮电大学 电信工程学院, 北京 100876
  • 收稿日期:2006-03-15 修回日期:1900-01-01 出版日期:2007-03-30 发布日期:2007-03-30
  • 通讯作者: 谭 志

The Routing of Multi-Area and Hierarchy in the ASON

TAN Zhi, JI Yue-feng   

  1. School of Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
  • Received:2006-03-15 Revised:1900-01-01 Online:2007-03-30 Published:2007-03-30
  • Contact: TAN Zhi

摘要:

研究了自动交换光网络(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.

关键词: 自动交换光网络, 拓扑汇聚, speaker通告, 分层路由

Abstract:

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.

Key words: automatically switched optical network, topology aggregation, speaker notification, hierarchical routing

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