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Future Internet 2015, 7(2), 152-169; doi:10.3390/fi7020152

Receiver-Triggered Handshake Protocol for DTN in Disaster Area

Graduate School of Engineering, Information Systems Science, Soka University, 1-236 Tangi-cho, Hachioji-shi, Tokyo 192-8577, Japan
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Academic Editor: Andrew Hudson-Smith
Received: 13 March 2015 / Revised: 10 May 2015 / Accepted: 15 May 2015 / Published: 27 May 2015
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Abstract

When a disaster hits a wide area, communication services for public use will be rendered unavailable. This will make it difficult to confirm the safety of people in the disaster area. A solution to this problem is to form delay/disruption tolerant networks (DTN) using mobile terminals of victims, those of rescuers, who serve as information carriers, and terminals (servers) in shelters. In this paper, we propose using a receiver-triggered handshake protocol for communication between these terminals. We have developed the bundle layer protocol for this handshake method. The proposed method has been implemented on a network simulator to build an evaluation environment. The disaster area has been modeled on an area around Shinjuku Station in Tokyo. Victims are randomly distributed in the area. We have compared the proposed method with Epidemic Routing and Spray and Wait in terms of the delivery rate at which messages reach their destinations, and the length of time taken for messages to reach their destinations. We have found that the delivery rate of the three methods are, more or less, the same, but that the proposed method is superior to the other two methods in terms of storage usage and battery consumption of terminals, and the number of bundles generated in the network. View Full-Text
Keywords: delay/disruption tolerant networks; bundle layer protocol; disaster; safety information; information carrier delay/disruption tolerant networks; bundle layer protocol; disaster; safety information; information carrier
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Yamashita, R.; Takami, K. Receiver-Triggered Handshake Protocol for DTN in Disaster Area. Future Internet 2015, 7, 152-169.

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