Abstract

Vehicular Named Data Networking (V-NDN) is an Vehicular Ad-hoc Network (VANET) using Named Data Network (NDN). Interest packet forwarding and data packet caching strategy are two key issues in the field. This paper focus on the data distribution and caching strategy of V-NDN in urban road environment. First, we propose a RSU-assisted strategy for interest packet and data packet forwarding. Secondly, it is the first time to use the method of decision tree prediction to guide the data packet cache, and uses a cache replacement policy based on popularity and request cost to store data due to the memory limit of RSU. Finally, the simulation results show that the proposed strategy and method effectively improve quality of service (QoS) of network.

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