최근 북미와 유럽을 중심으로 단일 광가입자망을 통해 Triple-Play서비스(전화, 방송, 통신)를 효율적으로 제공하기 위해, PON장비 업체들은 GPON(Gigabit-capable PON) 기술 개발을 활발히 진행하고 있다. GPON 기술은 상ㆍ하향 최대 2.488Gbps의 전송대역 및 대칭 또는 비대칭으로 구성되며, 다양한 멀티 프로토콜(ATM, Ethernet, TDM)들을 수용한다. 현재 GPON표준은 ITU-T SG15에 의해 2003년과 2004년에 걸쳐 표준화가 완료된 상태이며, 최근에 GPON Multicast 기술에 대한 표준화가 진행중이다. 따라서, 본 고에서는 GPON기술 개발의 요구에 따라 G.984 GPON표준 규격을 분석하고, 업체별 GPON 장비 개발 동향 및 시장 전망에 대해 분석한다.
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