| 基于可用带宽的QoS多播路由算法 |
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| 引用本文： | 董世容,邓亚平,余萍.基于可用带宽的QoS多播路由算法[J].重庆邮电学院学报(自然科学版),2006,18(6):784-788. |
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| 作者姓名： | 董世容 邓亚平 余萍 |
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| 作者单位： | [1]重庆移动通信有限责任公司数据维护中心,重庆400041 [2]重庆邮电大学计算机科学与技术学院,重庆400065 [3]重庆师范大学数学与计算机学院,重庆400047 |
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| 基金项目： | 重庆市教委科学技术研究项目（050302） |
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| 摘 要： | 设计了一种基于时延、时延抖动和包丢失率3个QoS约束下的最大可用带宽多播树求解模型，将可用带宽作为主度量参数来构建多播树。能够针对特定的服务需求对各个QoS度量的重要性进行灵活调整。其算法具有多项式复杂度，并通过仿真证明了算法的有效性。
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| 关 键 词： | QoS度量 可用带宽 时延抖动 包丢失率 QoS多播路由 |
| 文章编号： | 1004-5694（2006）06-0784-05 |
| 收稿时间： | 2005-07-20 |
| 修稿时间： | 2006-09-10 |
QoS multicast routing algorithm based on available bandwidth |
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| DONG Shi-rong, DENG Ya-ping , YU Ping.QoS multicast routing algorithm based on available bandwidth[J].Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition),2006,18(6):784-788. |
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| Authors: | DONG Shi-rong DENG Ya-ping YU Ping |
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| Institution: | 1. China Mobile Group Chongqing Co. Ltd. , Data Maintenance Center, Chongqing 400041, P. R. China ;2. College of Computer Science and Technology, Chongqing University of Posts and Telecommunications,Chongqing 400065, P. R. China ; 3. Department of Math and Computer, Chongqing Normal University, Chongqing 400047, P. R. China |
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| Abstract: | A novel model is proposed to construct widest available-bandwidth multicast tree under the constraints of end-to-end delay, delay variation and packet-loss rate, in which available band-width is really considered as prime metric. It can flexibly adjust the importance of each metric according to specific service requirements. Simulation results and analysis prove the effectiveness of the algorithm as well as its polynomial time complexity. |
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| Keywords: | QoS metrics available bandwidth delay variation packet-loss rate QoS multicast routing |
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