Abstract
Software-defined vehicular networks (SDVNs) have been a vital addition to the design of intelligent vehicular networks. SDVNs elevate the constraints of static hardware network devices to programmable units, provide a global view of the network status, and standardize the interface between different wireless access technologies. However, the static deployment and assignment of switches to control units do not consider vehicles rapid mobility and diverse densities. In this paper, we propose a mobility-based switch migration scheme for software-defined vehicular networks. The proposed scheme utilizes the vehicles’ mobility between switch-enabled roadside units to efficiently migrate selected switches to different controllers. The proposed scheme has been evaluated using the network simulator and reported its performance under realistic mobility traces and environment.
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