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WRED和RIO-C两种区分服务机制 被引量:4

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摘要 网络区分服务(D iffServ)中,为了在确保传输逐跳行为(AF PHB)中实现多个丢弃优先级,将随机早期检测(RED)变体为多级随机早期检测(MRED)形式。文中主要研究加权RED(WRED)和R IO-C(RED with In/Out and Couple queue)两种MRED机制及其在不同参数设置方式下对低丢弃优先级数据流的保护能力。使用NS2(Network Simulation version 2)进行仿真,得出结论:在三种参数设置方式中,交错参数设置方式能更好的保护低丢弃优先级的数据流;在参数设置相同时,R IO-C比WRED能更好的保护低丢弃优先级的数据流。但R IO-C过分歧视高丢弃优先级分组,WRED通过设置参数可以实现相对区分。
出处 《计算机应用》 CSCD 北大核心 2005年第B12期1-3,共3页 journal of Computer Applications
基金 国家自然科学基金资助项目(60234030) 国家863计划资助项目(2003AA412210)
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参考文献10

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