정부에서는 ‘스마트 인터넷’을 미래인터넷의 초기 보급모델로 정의하고 개방화, 지능화, 가상화 기반의 네트워크로 대변되는 프로그래머블 네트워크 구축 계획을 추진 중에 있다. 이를 구현하기 위한 기술로서 네트워크 설정을 소프트웨어적으로 제어하는 SDN(Software-Defined Networking) 기술과 네트워크 기능을 소프트웨어적으로 가상화하여 제어 및 관리하는 NFV(Network Functions Virtualization) 기술이 소개되었다. 이들 기술은 네트워크의 개방화 및 가상화 실현을 위해 국제 표준화 활동을 중심으로 연구 및 개발이 각각 진행되어 왔으며, 산업 및 시장이 요구하는 기술적 지향점이 모두 표준에 반영되고 있다 하겠다. 본고에서는 SDN 및 NFV 기술의 표준화 동향을 살펴보고 이에 따른 향후 기술개발 전망 및 방향을 기술한다.
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