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Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/39719

Title:	Hop-by-Hop TCP for Sensor Networks
Authors:	連耀南
Contributors:	IEEE 國立政治大學資訊科學系
Keywords:	Hop-by-Hop TCP;Sensor Networks
Date:	2009-03
Issue Date:	2010-05-27 16:49:12 (UTC+8)
Abstract:	Communication links in a sensor network are unstable such that running conventional TCP protocol over a high loss rate sensor networks will suffer from severe performance degradation. To handle a packet loss, conventional TCP retransmits the lost packet from its source. However, when error rate is high, it may have difficulty to deliver a packet to its destination. Considering that most applications on a sensor network prefer faster and reliable packet delivery to higher bandwidth, this paper proposes to use the Hop-by-Hop TCP protocol for sensor networks aiming to accelerate reliable packet delivery. Hop-by- Hop TCP makes every intermediate node in the transmission path execute a light-weight local TCP to guarantee the transmission of each packet on each link. It takes less time in average to deliver a packet in a high error rate and long path environment. The performance of our approach is evaluated by simulation using NS-2 simulator. Our experiments show that Hop-by-Hop TCP outperforms TCP NewReno in both throughput and average packet delivery time. The fairness requirement is also achieved while Hop-by-Hop TCP coexists with other major TCP variants.
Relation:	International Journal of Computer Networks & Communications (IJCNC), Vol.1, No.1, April 2009
Data Type:	conference
Appears in Collections:	[資訊科學系] 會議論文

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