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분산 SDN에서 이동성을 고려한 리더 컨트롤러 선택 기법
전유빈(Youbin Jeon),장석원(Seokwon Jang),백상헌(Sangheon Pack),김기훈(Kihun Kim),박현(Hyun Park) 한국통신학회 2022 韓國通信學會論文誌 Vol.47 No.1
In distributed SDN controllers with mobility, communication between controllers becomes unstable due to movement, resulting in overall network performance degradation. Therefore, in this paper, we propose the Mobility-Aware Leader Controller Selection (MLCS) method that selects the leader of the controller considering mobility in distributed SDN. MLCS calculates the stability value of the controller in a dynamic environment by forming a virtual ring through leader/candidate controller selection. Simulation results prove that MLCS significantly reduces communication costs while maintaining overall network performance through self-organization between controllers.