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DOI:
Journal of Software:2008.19(3):733-743

路由器缓存需求
李玉峰,邱菡,兰巨龙,汪斌强
(国家数字交换系统工程技术研究中心,河南 郑州 450002; 防空兵指挥学院 信息控制系,河南 郑州 450052)
Buffer Sizing in Internet Routers
LI Yu-Feng,QIU Han,LAN Ju-Long,WANG Bin-Qiang
()
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Received:June 19, 2007    Revised:September 04, 2007
> 中文摘要: 综述了路由器缓存的作用.基于随机服务理论,分析了长相关流量模型和短相关流量模型输入路由器系统时的各种缓存分析结论,着重论述了基于TCP协议模型的各种最新缓存需求研究成果,包括经验法则、小缓存法则、基于丢包率的缓存法则和极小缓存法则.总结了以往缓存研究的不足,并提出了下一步的研究方向.
中文关键词: 路由器  缓存需求  TCP  排队论
Abstract:A brief summary of the effect of router buffers on network performance is presented. The previous buffer sizing works based on queuing theory are analyzed under two classes of traffic models, the models exhibiting long-range dependence and the models exhibiting short-range dependence. Another type of buffer sizing works are based on TCP models, and the rule of thumb, the small buffers rule, the drop-based buffers rule and the tiny buffers rule are the four main recent results in these works. The results of the four rules and some preliminary experiments to validate these rules are carefully summarized. Research directions and open problems are also discussed.
keywords: router  buffer size  TCP  queuing theory
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基金项目:Supported by the National High-Tech Research and Development Plan of China under Grant No.2005AA121210(国家高技术研究发展计划(863));the National Basic Research Program of China under Grant No.2007CB307102(国家重点基础研究发展计划(973)) Supported by the National High-Tech Research and Development Plan of China under Grant No.2005AA121210(国家高技术研究发展计划(863));the National Basic Research Program of China under Grant No.2007CB307102(国家重点基础研究发展计划(973))
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李玉峰,邱 菡,兰巨龙,汪斌强.路由器缓存需求.软件学报,2008,19(3):733-743

LI Yu-Feng,QIU Han,LAN Ju-Long,WANG Bin-Qiang.Buffer Sizing in Internet Routers.Journal of Software,2008,19(3):733-743