정보 중심 네트워킹(ICN)은 2010년 중반부터 IoT 및 5G에 대한 요구사항을 만족시키기 위한 기술로서 다시 한번 많은 관심을 받고 있다. ICN은 정보 자체를 식별하도록 Name을 정의하고 Name 기반으로 라우팅과 포워딩을 지원하며, 캐싱 기능을 통해 인터넷의 코어에 부담 없이 효과적이며 빠른 형태의 전송 서비스 및 정보의 무결성을 지원해 주는 암호화 기법을 제공한다. ICN은 단순히 새로운 개념을 제안하는 수준의 기술이 아니라 IoT, 5G와 같은 실제 네트워크 분야에 사용할 수 있도록 CCNx, NDN, CCN-lite, NetInf 등의 오픈 소스가 존재한다. 본 고에서는 ICN 오픈 소스 중 CCNx에 대한 분석과 함께 실제 테스트베드 상에서의 주요 기능에 대한 테스트 결과 및 IoT를 위한 주요 기술 개발 동향을 소개한다.
KSP Keywords
CCN-lite
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