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可靠多播网络的动态缓存分配算法与替换策略
引用本文:张靖宇,李志蜀,陈良银,丁革建,陈建明.可靠多播网络的动态缓存分配算法与替换策略[J].计算机应用,2009,29(7):1844-1848.
作者姓名:张靖宇  李志蜀  陈良银  丁革建  陈建明
作者单位:1. 四川大学计算机学院,成都,610064
2. 浙江师范大学数理信息学院,浙江金华,321004
基金项目:浙江省科技厅资助项目 
摘    要:ACP是一种适用于多组共享环境的路由器缓存管理协议。在突发数据流频繁出现的互联网中,当多播组数量或者组成员发生变化时,ACP分配算法暴露出慢收敛和分配结果不稳定等问题。通过设计并实现动态缓存分配算法、超时算法以及丢包策略,提出了一种新型的、适用于大规模多播网络的自适应主动可靠多播协议(AARM)模拟实验结果表明,与ACP相比,AARM将为多播网络在恢复延迟、带宽消耗和网络吞吐等方面带来明显的性能提升。

关 键 词:可靠多播  缓存分配  缓存替换策略  reliable  multicast  buffer  partitioning  buffer  replacement  policy
收稿时间:2009-02-05
修稿时间:2009-03-12

Dynamic buffer partitioning and replacement for reliable multicast
ZHANG Jing-yu,LI Zhi-shu,CHEN Liang-yin,DING Ge-jian,CHEN Jian-ming.Dynamic buffer partitioning and replacement for reliable multicast[J].journal of Computer Applications,2009,29(7):1844-1848.
Authors:ZHANG Jing-yu  LI Zhi-shu  CHEN Liang-yin  DING Ge-jian  CHEN Jian-ming
Affiliation:1.School of Computer Science;Sichuan University;Chengdu Sichuan 610064;China;2.College of Mathematics Physics and Information Engineering;Zhejiang Normal University;Jinhua Zhejiang 321004;China
Abstract:ACP is a buffer management protocol applied to shared environment.However,when multicast group number or group member changes,ACP can hardly adjust its allocation quota in time and this will lead to the decrease of cache utilization ratio.To address these drawbacks,a new buffer management scheme called Adaptive and Active Reliable Multicast Protocol(AARM) was proposed,for large-scale multicast network.Simulation results show,AARM outperforms ACP in reducing recovery latency and bandwidth consumption,and rai...
Keywords:reliable multicast  buffer partitioning  buffer replacement policy  
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