The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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IPTV Channel Package Delivery in EPONs Using ONU-Based Multicast Emulation

EPON망에서 ONU기반 멀티캐스트를 이용한 IPTV 채널 패키지 전송 서비스

  • 최수일 (전남대학교 전자컴퓨터공학부 광통신 연구실)
  • Published : 2008.04.30
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Abstract

EPONs are a low cost, high speed solution to the bottleneck problem of broadband access networks. To support point-to-point and shared LAN emulation, EPONs use the multi-point control protocol (MPCP), which uses logical link identification (LLID) for frame tagging and filtering between the OLT and ONUs. In this paper, ONU-based multicast or multiple shared LAN emulation is used for IPTV channel package delivery services. Using ONU-based VLAN services, EPONs can support separate and secure connections between providers and subscribers in a simple manner. Also, IPTV channel packages can be delivered through EPONs by implementing ONU-based VLAN and IGMP snooping mechanisms. By showing fast channel zapping time of proposed architecture, I show that EPONs is suitable for IPTV channel package delivery service.

EPON은 가입자망의 병목현상을 해결할 경제적인 광대역 가입자망이다. EPON은 점대점 통신과 공유랜을 제공하기 위하여 다중점제어 프로토콜(MPCP)을 이용한다. 다중점제어 프로토콜은 논리적 링크 식별자(LLID)를 사용하여 점대다중점 형태로 연결된 ONU들을 논리적으로 구분한다. 본 논문에서는, 복수의 공유랜 또는 ONU기반 멀티캐스트를 제공하기 위하여 논리적 그룹 식별자(LGID)를 이용한다. 논리적 그룹 식별자를 활용하여 ONU기반 VLAN 서비스를 제공하면, EPON은 공급자와 가입자 사이에 설정된 채널들을 분리할 수 있다. 더불어, ONU기반 VLAN 서비스와 IGMP 스누핑을 통해 가입자에게 IPTV 채널 패키지를 제공하는 방안을 제안한다. 시뮬레이션을 통해 제안된 방안이 빠른 채널 전환 시간을 제공함을 보임으로써 EPON망에서 효과적인 IPTV 서비스 제공방안임을 보인다.

Keywords

References

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