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首页> 外文会议>International Symposium on Computer and Information Sciences(ISCIS 2006); 20061101-03; Istanbul(TR) >Path Loss Rate Driven Burst Assembly in OBS Networks
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Path Loss Rate Driven Burst Assembly in OBS Networks

机译：OBS网络中由路径损耗率驱动的突发组装

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摘要

In this paper a novel optical burst assembly technique, namely path loss rate driven burst assembly which is an enhancement on an adaptive threshold based burst assembly is proposed. Path loss rate driven burst assembly adjusts the threshold values based on the feedback obtained from the network. Each egress node sends feedback packets periodically to each ingress node informing them on the contention level along the path. As the traffic along the corresponding path becomes lighter, an ingress node allows the corresponding burst generator to use greater time and size threshold values. Conversely, under heavy traffic along the path, the corresponding burst generators are forced to decrease the time and size threshold parameters. The results are obtained in terms of byte loss rate and delay, and compared with those obtained under nonadaptive (static) burst assembly and previously proposed link loss rate based adaptive threshold burst assembly. It is observed that the proposed technique significantly decreases the byte loss rate as the traffic gets heavier by keeping the end to end delay in a feasible range.
机译：在本文中，提出了一种新颖的光突发组件技术，即路径损耗率驱动的突发组件，它是对基于自适应阈值的突发组件的增强。路径损耗率驱动的突发组件基于从网络获得的反馈来调整阈值。每个出口节点定期向每个入口节点发送反馈数据包，以在沿路径的竞争级别上通知它们。随着沿相应路径的流量变轻，入口节点允许相应的突发生成器使用更大的时间和大小阈值。相反，在沿路径的交通繁忙的情况下，相应的突发生成器将被迫减少时间和大小阈值参数。根据字节丢失率和延迟获得结果，并将其与在非自适应（静态）突发集合和先前提出的基于链路丢失率的自适应阈值突发集合下获得的结果进行比较。可以看出，通过将端到端延迟保持在可行范围内，所提出的技术会随着通信量的增加而显着降低字节丢失率。

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