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求解有度约束多播路由问题的分布式算法

A Distributed Algorithm for Degree-Constrained Multicast Routing
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摘要 在应用多播(multicast)时,有效的多播路由是关键.现有的多播路由算法一般假定每个节点都支持multicast,但在实际网络中,某些节点并不支持多播,而为了保证网络速度,需限制进行多播所要复制信息的数量.为此,采用度约束来表示每个节点的多播能力,提出了一种有度约束的分布式多播路由算法.算法的复杂度和所需传递信息的数量都低于已有的同类算法. In order to support multicast, efficient multicast routing is crucial. Many present multicast routing algorithms assume that every node in the network support multicast. But in real networks, some nodes may not support multicast, others may limit the number of multicast copies in order to ensure network speed. Thus, the multicast capability of each node is represented in this paper by a degree-constraint. A distributed degree- constrained multicast routing algorithm is proposed which has smaller time complexity and needs smaller number of messages than other existing algorithms.
出处 《软件学报》 EI CSCD 北大核心 2002年第6期1130-1134,共5页 Journal of Software
基金 国家自然科学基金资助项目(69972036 90104002)~~
关键词 多播 度约束 多播路由算法 分布式算法 计算机网络 multicast degree-constraint multicast routing algorithm distributed algorithm
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参考文献5

  • 1Jia Xiao-hua. A distributed algorithm of delay-bounded multicast routing for multimedia application in wide area networks. IEEE/ ACM Transactions on Networking, 1998,6(6):828~837.
  • 2Bauer, F., Varma, A. Degree-Constrained multicasting in point-to-point networks. In: Proceedings of the Conference on Computer Communications of IEEE INFOCOM'95. Los Alamitos, CA: IEEE Computer Society Press, 1995. 369~376. http://ieeexplore.ieee. org/lpdocs/epic03/.
  • 3Bauer, F. Distributed degree-constrained multicasting in point-to-point networks. Technical Report, Department of Computer Science, University of California at Santa Cruz, 1995. ftp://ftp.cse.ucsc.edu/pub/tr/ucsc-crl-95-09.
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