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比例区分服务模型下的绝对时延保证 被引量：1

Absolute delay guarantee over proportional differentiated service model
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摘要 区分服务是在IP网络中实现QoS(QualityofService)保证的一种体系结构 ,它在保持网络可扩展性的同时 ,为用户业务提供了有差别的服务 ,而比例区分服务提供了更加精细的区分控制 ,讨论了当前利用比例区分保证业务QoS一些方法和思想 ,它们大多致力于单个网络节点资源的合理分配。基于用户更加关心其端到端上的QoS特性 ,提出在保障关键业务包时延特性的基础上 ,网络各中间结点协作保证完成用户端到端上的包时延要求 ,在整个网络上合理分配资源。仿真结果表明 ,在相同的网络负载下 ,网络满足用户端到端上的包时延要求的能力大为提高。 DiffServ is a system structure in IP network to implement the QoS guarantee.It can supply the different service to the application as well as keeping the scalability of network.The current researches are focused on the proportional diffServ because it supplies the more delicate control? We presented a new mechanism of how to implement absolute delay guarantee on the basis of the current DiffServ QoS model. It made all the routers in the path work together to accomplish the QoS. Simulation results show that our method can implement the end-to-end delay guarantee better under the same payload.
作者 孙祺 高振明 李骐
机构地区 山东大学信息学院
出处 《计算机应用》 CSCD 北大核心 2004年第9期70-73,共4页 journal of Computer Applications
基金 山东省自然科学基金项目 (Y2 0 0 1G0 5)
关键词 QOS 比例区分服务 绝对时延保证 QoS proportional DiffServ absolute delay guarantee
分类号 TP393.07 [自动化与计算机技术—计算机应用技术]
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参考文献12

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二级参考文献50

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共引文献59

同被引文献11

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计算机应用
2004年 第9期

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