热薯偏转路由光突发交换网络中的突发损耗研究

S. Gjessing
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引用次数: 1

摘要

在本文中,我们研究了增加控制包前置时间(CPT)对具有偏转路由的OBS网络中突发丢失概率的影响。我们特别研究了由突发超过其控制数据包引起的突发损失,以及由阻塞引起的突发损失。我们建立了一个详细的OBS网络离散事件仿真模型,并评估了突发从入口到出口无连接路由时的烫手山芋偏移性能。据我们所知,对控制包提前时间增加的影响和突发损失原因的如此详细的调查以前从未进行过。我们的结论是,增加控制数据包的前置时间可以提供更好的性能,特别是在低负载情况下。我们还得出结论,可能存在收益递减点,在此点以上,CPT的增加不足以减少突发损失,以证明更大的突发延迟是合理的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
On Burst Loss in Optical Burst Switched Networks with Hot Potato Deflection Routing
In this article we investigate the effects of increased Control Packet lead Time (CPT) on the loss probability of bursts in an OBS network with deflection routing. In particular we investigate burst loss caused by bursts overtaking their control packets, and bursts losses caused by blocking. We have made a detailed discrete event simulation model of OBS networks and evaluated the performance of hot potato deflection when bursts are routed connectionless from ingress to egress. To our knowledge such detailed investigations into the effects of increased control packet lead time and causes of burst losses have never been performed before. We conclude that increased control packet lead time gives better performance, in particular for low loads. We also conclude that there might be a point of diminishing return, above which the increase in CPT does not decrease the burst loss enough to justify the larger burst latency.
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