Various activities toward digital transformation have been taking place in such areas as advanced marketing, high level medical image diagnosis and intelligent telecommunication network operations based on bigdata analytics and AI as well as RPA(Robotic Process Automation) for efficient office work. In other area like automobile industry, the number of connected cars are gradually increased whereas various PoC(Proof of Concepts) experiments of autonomous cars have been carried out not only in automobile manufacturers but also in OTT (Over The Top) players such as Google.