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	Drop Policy Combined with Multiple Edge Thresholds in TCP over OBS Networks
	Peng, Shuping ; Li, Zhengbin ; He, Yongqi ; Xu, Anshi
	2008
英文摘要	In this paper, we proposed a novel Burst Drop Policy based on Hop Number Factor (HNF) in the core nodes of TCP over OBS networks, which is combined with Multiple Thresholds in the edge nodes. The proposed drop policy, HNF, takes the retransmission cost into account, and gives the burst with the larger Hop Number Factor the higher priority in the contention. On the other hand, for the retransmission is not always effective, multiple Edge Thresholds, Retransmission Number Threshold (RNT), Traffic load Threshold (TIT) and Total hop Threshold (ThT), are proposed to limit the unnecessary retransmission in the OBS layer. If any of the thresholds is exceeded, the retransmission will be handed over to the upper layer, the TCP layer, which will be more cost-effective. The simulation results show that the combined mechanism can reduce the burst loss rate, decrease the round trip time and improve the throughput of TCP over OBS networks significantly.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000267591100170&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Engineering, Electrical & Electronic; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Optics; EI; CPCI-S(ISTP); 0
语种	英语
DOI标识	10.1109/IPGC.2008.4781467
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/153485]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Peng, Shuping,Li, Zhengbin,He, Yongqi,et al. Drop Policy Combined with Multiple Edge Thresholds in TCP over OBS Networks. 2008-01-01.

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