Comparative Study of Existing Data Scheduling Approaches and Role of Cloud in VANET Environment

Wireless technology provides effective and efficient communication between the mobile devices. Vehicular Ad-hoc Network (VANET) is the most influencing field to researchers due to vehicle density, traffic congestion, accidents, etc. In order to overcome these problems, several research works are going on especially in the field of the communication among moving nodes and resources. The necessity of efficient scheduling algorithm is highly required for successful exploitation of a broadcast medium and data transmission. Data scheduling becomes an important issue when vehicles access data through Road Side Unit (RSU). Therefore, to deliver the messages to the recipient properly and accurately, scheduling algorithms have to be emphasized in VANET. In this literature, various data scheduling policies are described to manage the data accessibility from the RSU's to the vehicles. This paper presents the categorization of the scheduling algorithm on the basis of a type of parameters used in the distribution of data items. Paper analysis that the efficiency of data scheduling in VANET can be improved using CLOUD technology as an storage service. Paper shows the simulation results of data scheduling using dynamic cloud comparing with previous existing algorithms. Through these comparative results, it shows that the proposed work performs superior and increases QoS, i.e., bandwidth utilization, energy consumption and total time. (C) 2018 The Authors. Published by Elsevier B.V.