08MH1500, Development of IPTV Standard Technology,
Eui Hyun Paik
Abstract
최근 초고속 인터넷의 급속한 발달로 IP 기반의 방송 및 영상의 분배 기능이 빠르게 개발되고 있다. 과거 아날로그 방송에서는 영상을 변조(scramble) 하여 보내고 대응 복조기를 이용하여 정당한 가입자만 시청 할 수 있도록 하는 기술이다. 하지만 최근 IP 기반의 방송 시스템에서는 과거의 변조(Scramble) 방식이 한계점을 보이고 있다. IPTV는 방송망과 달리 개방형 특징을 가지고 있다. 이는 인터넷 기반의 다양한 공격(man-in-the-middle-attack, TCP-hijacking)이 IPTV에서도 가능하다는 것이다. 본 고에서는 IP 환경에서 제공 가능한 보안 서비스에 대한 기술을 정리한다. 특히 IPTV 서비스를 위한 보안 요구사항, 적용기술 및 대표적인 연구를 소개한다.
KSP Keywords
Man-in-the-middle
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