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一种改进的基于流量预测的动态带宽分配算法 被引量:2

Improved DBA algorithm based on traffic prediction
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摘要 介绍了一种基于流量预测的上行带宽动态分配算法(P-DBA)。P-DBA算法根据短相关业务(SRD)和自相似、长相关业务(LRD)的流量特征建立了不同的线性预测模型,并在流量变化较快时放弃预测,以减小带宽浪费;同时,在光网络单元中提出一种配合预测机制的公平调度策略。仿真表明P-DBA算法比DBAM算法在端到端延时、丢包率等方面有明显改善。 P-DBA based on traffic prediction was presented, which established different linear prediction models for the Short-Range Dependence (SRD) and Song-Range Dependence (LRD) traffic and drop prediction to reduce the bandwidth waste when the variation of traffic was rapid, while Optical Network Unit (ONU) used a new local fair scheduling policy adapted to the prediction strategy. The simulation result shows that end-to-end delay, and packet loss rate has been improved obviously, compared with DBAM algorithm.
出处 《计算机应用》 CSCD 北大核心 2010年第1期124-126,共3页 journal of Computer Applications
关键词 以太无源光网络 动态带宽分配 流量预测 服务质量 公平性 Ethernet Passive Optical Network (EPON) Dynamic Bandwidth Allocation (DBA) traffic prediction Quality of Service (QoS) fairness
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参考文献7

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同被引文献15

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