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Sponsored by the Center for Science and Technology Development of the Ministry of Education
Supervised by Ministry of Education of the People's Republic of China
MPLS Multicast tree label retention policy based on derivation state search
YAN Yuan 1,MA Yue 2 *
1.School of Computer Science, Beijing University of Posts and Telecommunications,Beijing 100876;School of Computer Science, Beijing University of Posts and Telecommunications,Beijing 100876
This paper studies the key techniques and problems of the label retention strategy of multi-point-to-multipoint multi-point (MP2MP) multicast tree based on MPLS, puts forward a multicast tree label retention strategy based on the derivation state search, and gives the label retention strategy based on MPLS MP2MP multicast tree. The single-broadcast LDP module in Quagga is extended to support the proposed MP2MP label retention strategy. Performance analysis and simulation results show that compared with the traditional MP2MP conservative label retention mode, the logically derived MPLS MP2MP label retention strategy can cut off traffic in time and have great convergence performance when the link converges.