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김남곤(Namgon Kim),성기열(GiYeul Sung),김도종(DoJong Kim) 한국정보기술학회 2021 한국정보기술학회논문지 Vol.19 No.6
Modern in-vehicle networks of military UGVs(unmanned ground vehicles) are moving toward ethernet to overcome the limitations of legacy in-vehicle networking technologies. However, as the ethernet is well-known and widely-used, it is very likely to be exposed to security threats. To protect UGVs from the threats, a strong counterplan is required that could block access from unpreviledged endpoints and allow communications only between endpoints with proper access rights. In this paper, we propose an in-vehicle network security solution based on SDN(Software-Defined Networking) which defines networking based on software applications of a centralized network controller. We will show that it can block security attacks of in-vehicle ethernet networks without introducing additional firewalls by managing endpoints and allows connections approved for operating the UGV.