NDLI: A secure incentive scheme for delay tolerant networks

Content Provider	IEEE Xplore Digital Library
Author	Haojin Zhu Xiaodong Lin Rongxing Lu Xuemin Shen
Copyright Year	2008
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Univ. of Waterloo, Waterloo, ON (Haojin Zhu; Xiaodong Lin; Rongxing Lu; Xuemin Shen)
Abstract	Delay tolerant networks (DTNs) provide a promising solution to support delay tolerant applications in areas where end-to-end network connectivity is not available. In DTNs, the intermediate nodes on a communication path are expected to store, carry and forward the in-transit messages (bundles) in an opportunistic way, which is also named as opportunistic data forwarding. Opportunistic data forwarding depends on the hypothesis that each individual node is ready to forward packets for others. This, however, might be easily violated due to the existence of selfish nodes or even malicious ones, who may be reluctant to serve as the bundle relays to save their precious wireless resources. To address this problem, we propose a secure credit based incentive scheme to stimulate bundle forwarding cooperation among DTNs nodes. The proposed scheme can be implemented in a fully distributed way to thwart various attacks without relying on any tamper-proof hardware. In addition, we introduce several efficiency optimization techniques to improve the overall efficiency by exploiting the unique characteristics of DTNs. Extensive simulations confirm the efficacy and efficiency of the proposed scheme.
Starting Page	23
Ending Page	28
File Size	1844643
Page Count	6
File Format	PDF
ISBN	9781424423736
DOI	10.1109/CHINACOM.2008.4684961
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-08-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Disruption tolerant networking Underwater communication Hardware Ad hoc networks Internet Application software Communication system security Relays Incentive schemes Propagation delay
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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