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MPLS组播局部标签聚合机制研究

Study of Partial Label Aggregation Scheme Based on MPLS Multicast
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摘要 提出了一种新的基于多协议标签交换组播的局部标签聚合方法,通过查找入口标签边缘路由器中保存的节点表,得到与已有组播树具有最大匹配的组播子树.在此组播子树上,因为不同的组播会话具有相同的路由,可给这些组播会话分配相同的标签,而不需要整个组播树的完全匹配.通过性能分析表明,可进一步减少网络中的标签数量,有效的提高扩展性和可靠性等网络性能. In this paper, a novel scheme of partial label aggregation based on MPLS multicast is proposed, which gets the multicast subtree matched existing multicast tree by searching branch node table in ingress LER. On the subtree, we can assign the same label to differ the multicast sessions and needn' t match the whole multicast tree because they have the same route. The performance analysis indicates that the number of label in network could be cut down and the scalability and reliability could be enhanced.
出处 《北京交通大学学报》 EI CAS CSCD 北大核心 2006年第5期41-44,50,共5页 JOURNAL OF BEIJING JIAOTONG UNIVERSITY
基金 国家自然科学基金资助项目(6040203560473001)
关键词 多协议标签交换 组播 子树 标签聚合 multi protocol label switch(MPLS) multicast subtree label aggregation
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参考文献6

  • 1Fei Aiguo, Cui Junhong, Gerla Mario. Aggregated Multicast: An Approach to Reduce Multicast State[ C]// Global Telecommunications Conference, 2001.
  • 2Young-Kyu Oh, Dong-Keun Kim. Scalable MPLS Multicast using Label Aggregation in Internet Broadcasting Systems[C]// ICT 10th International Conference 2003.
  • 3Banimelhem Omar, William Atwood J, Agarwal Anjali.An Approach to Solve A Multicasting Scalability Issue in MPLS Networks Using State Encoding[J]. Electrical and Computer Engineering, 2004,4 (2) : 1911 - 1914.
  • 4Apostolopoulos George, Ciurea Ioana. Reducing the Forwarding State Requirements of Point-to-Multipoint Trees Using MPLS Multicast [ J]. Computers and Communications, 2005,4(27) :713 - 718.
  • 5Solano F, Fabregat R, Donoso Y, et al. Asymmetric Tunnels in P2MP LSPs as A Label Space Reduction Method[ C]//IEEE. International Conference. 2005: 43 - 47.
  • 6MPLS Multicast Traffic Engineering [ S ]. Draft-Ooms-Mpls-Multicast-Te-01. Txt, 20020.

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