基于延时影响因子的应用层多播ASD模型改进研究

J4 ›› 2015, Vol. 37 ›› Issue (10): 1836-1842.

基于延时影响因子的应用层多播ASD模型改进研究

崔建群1，王博伦1，熊涛1，吴黎兵2

(1.华中师范大学计算机学院，湖北武汉 430079;2.武汉大学计算机学院，湖北武汉 430072)

收稿日期:2015-07-19 修回日期:2015-09-23 出版日期:2015-10-25 发布日期:2015-10-25
基金资助:
国家自然科学基金面上项目(61170017，61272112，61370108);湖北省科技支撑计划资助项目（2013BAA004）

An improved ASD model of the ALM
with delay impact factor

CUI Jianqun1,WANG Bolun1,XIONG Tao1,WU Libing2

(1.School of Computer,Central China Normal University,Wuhan 430079;2.School of Computer,Wuhan University,Wuhan 430072,China)

Received:2015-07-19 Revised:2015-09-23 Online:2015-10-25 Published:2015-10-25

摘要/Abstract

摘要：

为提高应用层多播的稳定性和效率，在原ASDTS模型上加以改进，提出一种基于延时因子的ASDDIF模型。该模型可以在新节点探测整个多播网络的基础上自主选择加入方式，使新节点给整个多播组带来的延时最小，构建高效率、高分发度的多播树。仿真实验表明ASDDIF模型在构建多播网络的时候能够构建高效率的转发路径，有效降低多播的时延。

关键词: 应用层多播, 延时因子, 自主选择, 高分发度

Abstract:

In order to improve the stability and efficiency of Application Layer Multicast (ALM),based on the old timestampbased adaptive ALM overlay model with overlay structure detection,a new delay impact factor based ASD model,named ASDDIF,is proposed.After a new node detects the whole net,this model can choose a way to add the node into the net so that the new node brings the least time cost and a high efficient and distributed multicast tree is constructed. Simulation experiments show that the ASDDIF model can build the multicast net with high efficient transmission paths and reduce the delay of the multicast tree efficiently.

Key words: Application Layer Multicast(ALM);delay impact factor;selfchoose;high distribution

崔建群1，王博伦1，熊涛1，吴黎兵2. 基于延时影响因子的应用层多播ASD模型改进研究[J]. J4, 2015, 37(10): 1836-1842.

CUI Jianqun1,WANG Bolun1,XIONG Tao1,WU Libing2. An improved ASD model of the ALM
with delay impact factor [J]. J4, 2015, 37(10): 1836-1842.

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