Number of round trips in LTP data block transmissions

doi:10.16511/j.cnki.qhdxxb.2015.21.012

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Abstract The Licklider transmission protocol(LTP) is a point-to-point protocol that is mainly used to transmit data between adjacent nodes in space networks. LTP achieves reliability by return acknowledgements and retransmissions. Typical applications have long distances between network nodes which result in large transmission delays. This delay is further multiplied by the acknowledgement and retransmission processes. Thus, the number of round trips(QoRT) needed to successfully transmit an LTP block needs to be investigated. This paper presents an analytical evaluation of the QoRT that gives the distribution function, mean and variance of the QoRT. The results also give more concise upper bounds, lower bounds and approximate means. Simulations verify the theoretical results.

Keywords Licklider transmission protocol(LTP) delay evaluation number of round trip

ZTFLH:

TP393.02

Issue Date: 15 November 2015

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	DONG Yangwei
	LIN Chuang

Cite this article:

DONG Yangwei,LIN Chuang. Number of round trips in LTP data block transmissions[J]. Journal of Tsinghua University(Science and Technology), 2015, 55(11): 1216-1220,1228.

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http://jst.tsinghuajournals.com/EN/10.16511/j.cnki.qhdxxb.2015.21.012 OR http://jst.tsinghuajournals.com/EN/Y2015/V55/I11/1216

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