一种TCP-friendly主动分层组播拥塞控制机制  

TCP-friendly Active Layered Multicast Congestion Control Mechanism

作　　者：杨云[1] 周坚[1] 陆璐[1] 陶笔蕾[1] 刘凤玉[2] 

机构地区：[1]扬州大学信息工程学院计算机科学与工程系,江苏扬州225009 [2]南京理工大学计算机应用博士后流动站,江苏南京210004

出　　处：《小型微型计算机系统》2007年第10期1774-1778,共5页Journal of Chinese Computer Systems

基　　金：国家自然科学基金项目(602730350)资助;国防科工委应用基础基金项目(K1704060511)资助.

摘　　要：针对Internet多媒体业务的快速发展对组播拥塞控制提出的要求,在对现有分层组播算法存在问题进行分析的基础上,提出了一种接收端快速自适应的TCP-Friendly主动分层组播拥塞控制机制ALMCC.它采用主动标记分层,并在接收端根据分组延时,快速的自适应网络带宽.仿真实验表明,ALMCC算法提高了分层组播拥塞控制性能,具有拥塞响应速度快、丢包率低和TCP-Friendly特性.Effective multicast congestion control mechanism is urgently needed with the deployment of multimedia applications in Internet, based on the analysis results of the present layered multicast, a TCP-Friendly active layered multicast congestion control mechanism with rapid self-adaptive at receivers called ALMCC is proposed. It uses active label layered and adapts to the bandwidth of network rapidly at receivers according to the packet delay. Simulation results show that ALMCC enhances the performances of layered multicast congestion control and characterizes with more responsive, lower loss rate and better TCP- Friendliness.

关 键 词：拥塞控制 分层组播 延时 TCP-FRIENDLY 主动分层 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]