Abstract
In Vehicular Ad-hoc Networks (VANET), vehicles act like mobile nodes for fetching, sharing, and disseminating important information related to vehicle safety, warning messages, emergency events, and passenger infotainment. Due to continuous information sharing of vehicles with their surrounding nodes, Road Side Units (RSUs), and infrastructures, the existing host-centric IP-based network cannot fulfill the requirements of VANETs. Therefore, Information Centric Networking (ICN) architectures are the introduced to comprehensively address the problems of Internet of Things (IoT)-based VANETs, known as VANET-IoT. This paper introduces a new ICN-based proactive left-right-front (LRF) caching strategy for VANETs, which maximizes the performance of VANETs by placing content proactively at the right nodes. The proposed strategy also provides a mechanism for the timely dissemination of safety-related messages. LRF is compared with other caching strategies in the NS-3 simulator, which outperforms those schemes in terms of cache utilization, hop ratios, and resolved interest ratios with respect to 100 MB, 500 MB, and 1 GB cache sizes.
Highlights
This paper discusses the potentials and solutions of the Information Centric Networking (ICN) paradigm that provides the best results for ad-hoc networks like vehicular ad hoc network (VANET)
This is the reason that the research community has a growing demand for ICN to be used as an alternative to the IP-based host-centric network in the Internet of Things (IoT)-VANETs
Though several strategies have been proposed for ICN caching provided in the Related Work section, a few of them are designed to take the VANET technology into consideration joint with ICN
Summary
ASerious concentration has been made in the vehicular ad hoc network (VANET) technology [1], [2] since 1990s, and especially in the last decade, many advancements have been seen. VANETs drive networks on wheels and assist drivers and passengers by implementing the latest technologies in vehicles [19], [20]. In a secure VANET-IoT, each vehicle acts as a network node containing. In secure VANET-IoT, vehicles are equipped with Vehicular Network sensors (VNS) that sense and process information from surrounding conditions, i.e., warning signs on roads, movement of other vehicles, sudden breaks sensing, accident conditions, etc., [28], [29]. In VANETs, vehicles or nodes use intelligent transportation systems (ITS) [34] providing convenience to drivers by enhancing road safety and traffic efficiency [35]. VANETs use wireless communication [36] for message transferring among vehicles in a decentralized manner [37]
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