| 多域分层ASON路由技术 |
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| 引用本文： | 谭志,纪越峰.多域分层ASON路由技术[J].北京邮电大学学报,2007,29(1):114-117. |
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| 作者姓名： | 谭志 纪越峰 |
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| 作者单位： | 北京邮电大学,电信工程学院,北京,100876 |
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| 基金项目： | 国家高技术研究发展计划(863计划)，国家自然科学基金，教育部高等学校博士点项目，国家自然科学基金，教育部高等学校博士后项目 |
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| 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．
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| 关 键 词： | 自动交换光网络 拓扑汇聚 speaker通告 分层路由 |
| 文章编号： | 1007-5321（2007）01-0114-04 |
| 收稿时间： | 2006-03-15 |
| 修稿时间： | 2006年3月15日 |
The Routing of Multi-Area and Hierarchy in the ASON |
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| TAN Zhi,JI Yue-feng.The Routing of Multi-Area and Hierarchy in the ASON[J].Journal of Beijing University of Posts and Telecommunications,2007,29(1):114-117. |
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| Authors: | TAN Zhi JI Yue-feng |
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| Affiliation: | School of Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China |
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| 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. |
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| Keywords: | automatically switched optical network topology aggregation speaker notification hierarchical routing |
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