Selfishness in Vehicular Delay-Tolerant Networks: A Review

Various operational communication models are using Delay-Tolerant Network as a communication tool in recent times. In such a communication paradigm, sometimes there are disconnections and interferences as well as high delays like vehicle Ad hoc networks (VANETs). A new research mechanism, namely, th...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2020-05, Vol.20 (10), p.3000
Main Authors: Rehman, Ghani-Ur, Ghani, Anwar, Muhammad, Shad, Singh, Madhusudan, Singh, Dhananjay
Format: Article
Language:English
Subjects:
Communication
Connectivity
Cooperation
cooperative communication
Delay
Delay-Tolerant Networks
incentive schemes
Incentives
individual selfishness
Infrastructure
Internet
Medical research
Mobile ad hoc networks
Nodes
Review
selfish behavior
Selfishness
social selfishness
Traffic congestion
Vehicles
Wireless networks
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Summary:Various operational communication models are using Delay-Tolerant Network as a communication tool in recent times. In such a communication paradigm, sometimes there are disconnections and interferences as well as high delays like vehicle Ad hoc networks (VANETs). A new research mechanism, namely, the vehicle Delay-tolerant network (VDTN), is introduced due to several similar characteristics. The store-carry-forward mechanism in VDTNs is beneficial in forwarding the messages to the destination without end-to-end connectivity. To accomplish this task, the cooperation of nodes is needed to forward messages to the destination. However, we cannot be sure that all the nodes in the network will cooperate and contribute their computing resources for message forwarding without any reward. Furthermore, there are some selfish nodes in the network which may not cooperate to forward the messages, and are inclined to increase their own resources. This is one of the major challenges in VDTNs and incentive mechanisms are used as a major solution. This paper presents a detailed study of the recently proposed incentive schemes for VDTNs. This paper also gives some open challenges and future directions for interested researchers in the future.
ISSN:1424-8220
1424-8220
DOI:10.3390/s20103000