International Publisher for Advanced Scientific Journals (IPASJ)
Vehicular Ad-hoc NETworks (VANETs) are highly mobile wireless networks that are designed to support vehicular safety, traffic monitoring, and other commercial applications. VANETs are used for short-range, high-speed communication among nearby vehicles, and between vehicles and roadside infrastructure units. Vehicle mobility will cause the communication links between vehicles to be broken frequently. Such link failures require a direct response from the routing protocols, leading to a potentially excessive increase in the routing overhead and degradation in network scalability.