Recent Handover Management protocols in VANET: A survey

Abstract—The number of vehicles is increasing in the world and the services needed by the passengers are growing through the years. So, the Intelligent Transport System (ITS), which was originally created to increase the safety on roads, is extended to include infotainment applications that may use the internet [1]. VANET is a subtype of MANET networks which is a component of ITS. It has its specific characteristics like a mobility pattern that is guided by roads, the absence of energy consumption constraints and the high speed of the vehicles that compose the network [2]. The researchers aim to provide an ubiquitous connectivity to vehicles by keeping the connections established before the handover and minimizing the handover delay and the packet loss. Therefore, many solutions are proposed to solve these problems and some of them are standardized like MIPv6, PMIPv6, HMIPv6, NEMO BS, etc This paper on one hand surveys the standard protocols dealing with mobility management which are enhanced by a new proposals trying to make them more efficient. On the other hand we tried, in the end of each protocol presentation, to make a brief qualitative discussion of its algorithms and characteristics and this opens new areas of researches and enhancements