An efficient and intelligent routing strategy for vehicular delay tolerant networks
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An efficient and intelligent routing strategy for vehicular delay tolerant networks An efficient routing strategy for VDTN Amit Kumar Singh1 • Rajendra Pamula1
Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract The vehicular delay-tolerant network is the real-life application based area of Delay tolerant network where communication takes place using vehicular nodes and roadside units. The topology used in vehicular networks is highly dynamic by architecture due to the use of moving vehicular nodes. It operates in such a scenario where a direct path between source and destination remains absent on the most piece of the time. In case of non-existence of connected path vehicular delaytolerant network works opportunistically and uses the same store, carry, and forward paradigm as Delay Tolerant Network. However, the routing protocols designed for vehicular delay-tolerant network faces crucial challenges like inadequate relay node, incomplete data transfer, a large number of packet drop, and uncertain delivery time. In this research paper, we propose a novel routing strategy for the vehicular delay-tolerant network. The proposed routing strategy selects efficient vehicular relay node for complete packet transfer and intelligently reduces the packet drop for timely packet delivery. We implement the proposed routing strategy in the ONE simulator; the ONE simulator provides an opportunistic environment for nodes. We analyze the performance of the proposed strategy under various simulations results using different parameters. The results show that the proposed strategy outperforms standard routing protocols in terms of considered parameters and provide an efficient solution for the problem of disconnection. Keywords Vehicular delay tolerant network (VDTNs) Opportunistic network Device to device communication Relay based communication Relay node selection Routing strategy Delay tolerant networks (DTN) Vehicular relay nodes
1 Introduction 1.1 Background Vehicular delay-tolerant network (VDTN) [1] is the same as DTN in which communication takes place with the help of vehicles (vehicular nodes) and nodes fixed along the roadside. The significant applications of VDTN [2] are notification of traffic conditions, road accident warning, vehicle collision avoidance, advertisement, and many & Amit Kumar Singh [email protected] 1
Indian Institute of Technology(ISM) Dhanbad, Dhanbad, India
more. The topology used in vehicular networks is highly dynamic and discontinuous. VDTN can work in challenging network scenarios where the direct path between source and destination remains absent due to any reason. The vehicular network works opportunistically and uses the same store, carry and forward paradigm as of DTN. These days the critical challenges in all these applications are providing a strategy for maintaining reliable communication. In this condition, VDTN is very useful. The origin of VDTN is from DTN [3], and the concept of vehicular node sta
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