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Research on custody transfer service in delay tolerant network
Yu, Yang; Chen, Xiaomin
Department空间技术部
Source PublicationJournal of Networks
2013
Volume8Issue:8Pages:1713-1719
ISSN1796-2056
Language英语
KeywordDelay/disruption Tolerant Network Custody Transfer Network Model Network Simulation
AbstractA delay/disruption tolerant network (DTN) architecture was proposed to effectively support communication in challenging scenarios characterized by intermittent connectivity and long latency. The custody transfer (CT) mechanism is used to improve the reliability of DTN. We proposed a mathematical model of the DTN data link. Based on this model, we simplified a link containing both nodes with and without CT into a link containing only nodes with CT. We developed a NS2-based DTN simulator and conducted three simulations. The first two simulations are conducted on links whose hops are from 2 to 10, where all relay nodes accept or deny CT. The simulation results show that the destination node receives far more data when CT is available; furthermore, the storage consumption of the source node decreases. The third simulation is conducted to evaluate the effect of retransmission timer on storage consumption and retransmission times. The simulation results show that the value of retransmission timer that is greater than the maximum round-trip-time between adjacent nodes and less than the minimum disconnection interval is a good candidate for DTN data transfer.; A delay/disruption tolerant network (DTN) architecture was proposed to effectively support communication in challenging scenarios characterized by intermittent connectivity and long latency. The custody transfer (CT) mechanism is used to improve the reliability of DTN. We proposed a mathematical model of the DTN data link. Based on this model, we simplified a link containing both nodes with and without CT into a link containing only nodes with CT. We developed a NS2-based DTN simulator and conducted three simulations. The first two simulations are conducted on links whose hops are from 2 to 10, where all relay nodes accept or deny CT. The simulation results show that the destination node receives far more data when CT is available; furthermore, the storage consumption of the source node decreases. The third simulation is conducted to evaluate the effect of retransmission timer on storage consumption and retransmission times. The simulation results show that the value of retransmission timer that is greater than the maximum round-trip-time between adjacent nodes and less than the minimum disconnection interval is a good candidate for DTN data transfer. © 2013 ACADEMY PUBLISHER.
Indexed ByEI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/808
Collection空间技术部
Recommended Citation
GB/T 7714
Yu, Yang,Chen, Xiaomin. Research on custody transfer service in delay tolerant network[J]. Journal of Networks,2013,8(8):1713-1719.
APA Yu, Yang,&Chen, Xiaomin.(2013).Research on custody transfer service in delay tolerant network.Journal of Networks,8(8),1713-1719.
MLA Yu, Yang,et al."Research on custody transfer service in delay tolerant network".Journal of Networks 8.8(2013):1713-1719.
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