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Research on DiffSev Performance Evaluation by Simulation

Abstract

中文文摘::Internet 越来越多的多媒体实时传输业务对网络服务质量提出了更高的要求。在分析传统 的尽力而为服务不足的基础上,剖析了区分服务的体系结构和工作机制,并运用NS2 网络仿真器 构建DiffServ 的仿真模型,进行性能评价研究。DiffServ 的端到端QoS 特性难以用精确的数学模 型加以刻画,模拟方法是评价这种服务性能的有效途径。 [英文文摘]Internet real time multimedia communication issues a further challenge to IP QoS. The authors discuss some problems of current network service, and analyze the architecture of DiffServ. We focus on the research into the DiffServ performance evaluation though simulation, and present the results to check DiffServ module versatility in services definition. Keywords: IP QoS; DiffServ; RED; simulation; performance evaluation国家自然科学基金 (60175008); 国家“九七三”信息与高性能 软件的子项目 (G199803040803)

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