| 基于OBS网络的一种最少冗余包的组播树共享算法 |
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| 引用本文： | 廖长军,段小林,隆克平,阳小龙,黄胜.基于OBS网络的一种最少冗余包的组播树共享算法[J].重庆邮电学院学报(自然科学版),2007(1). |
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| 作者姓名： | 廖长军 段小林 隆克平 阳小龙 黄胜 |
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| 作者单位： | 电子科技大学光互联网及移动信息网络研究中心，重庆邮电大学计算机科学与技术学院，电子科技大学光互联网及移动信息网络研究中心，电子科技大学光互联网及移动信息网络研究中心，重庆邮电大学光互联网及无线信息网络研究中心 重庆400065，重庆邮电大学光互联网及无线信息网络研究中心，成都610054，重庆400065，成都610054，成都610054，重庆400065 |
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| 摘 要： | 为了减少组播树共享算法(TS-MCAST)产生冗余包,有效地利用链路网络带宽,提出了一种基于光突发交换(OBS)网络的最少冗余包的组播树共享算法(LRP-MCAST-TS)。该算法实现过程中,引入了树分割规则,将满足分割条件的组播树分割成森林,然后根据重叠大小将汇聚的组播会话划分成多个组播共享类。通过理论分析,证明了LRP-MCAST-TS算法设计的正确性,达到了减少冗余包的目的。
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| 关 键 词： | 光突发交换网络 组播树共享 组播共享类 树分割 |
A least redundant packets multicast tree sharing algorithm based on OBS networks |
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| LIAO Chang-jun ,DUAN Xiao-lin ,LONG Ke-ping ,YANG Xiao-long ,HUANG Sheng.A least redundant packets multicast tree sharing algorithm based on OBS networks[J].Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition),2007(1). |
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| Authors: | LIAO Chang-jun DUAN Xiao-lin LONG Ke-ping YANG Xiao-long HUANG Sheng |
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| Institution: | LIAO Chang-jun 1,DUAN Xiao-lin 2,LONG Ke-ping 1,YANG Xiao-long 1,HUANG Sheng 3 |
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| Abstract: | In order to reduce redundant packets due to the TS-MCAST algorithm and effectively utilize link bandwidth, a multicast algorithm based on OBS networks is proposed, called least redundant packets multicast tree sharing (LRP-MCAST-TS) algorithm. In the implementation process of this algorithm, the tree partition rule is introduced. The multicast trees are firstly partitioned to forest and then classified into multicast sharing class(MSC)by overlap degree. Finally, through theoretical analysis, it is verified the validity of LRP-MCAST-TS algorithm and shows that it could reduce the number of redundant packets. |
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| Keywords: | OBS networks multicast tree sharing MSC tree partition |
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