A Reliable and Efficient Geographic Routing Scheme for Delay/Disruption Tolerant Networks

被引：14

作者：

Cao, Yue ^{[1
]}

Sun, Zhili ^{[1
]}

Wang, Ning ^{[1
]}

Cruickshank, Haitham ^{[1
]}

Ahmad, Naveed ^{[1
]}

机构：

[1] Univ Surrey, Ctr Commun Syst Res, Guildford GU2 5XH, Surrey, England

来源：

IEEE WIRELESS COMMUNICATIONS LETTERS | 2013年 / 2卷 / 06期

关键词：

DTNs; mobile networks; routing;

D O I：

10.1109/WCL.2013.081413.130511

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The research in this letter focuses on geographic routing in Delay/Disruption Tolerant Networks (DTNs), by considering sparse network density. We explore the Delegation Forwarding (DF) approach to overcome the limitation of the geometric metric which requires mobile node moving towards destination, with the Delegation Geographic Routing (DGR) proposed. Besides, we handle the local maximum problem of DGR, by considering nodal mobility and message lifetime. Analysis and evaluation results show that DGR overcomes the limitation of the algorithm based on the given geometric metric. By overcoming the limited routing decision and handling the local maximum problem, DGR is reliable for delivering messages before expiration lifetime. Meanwhile, the efficiency of DGR regarding low overhead ratio is contributed by utilizing DF.

引用

页码：603 / 606

页数：4

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