인피니밴드(InfiniBand) 기술은 클러스터 컴퓨팅용 고성능 시스템 연결망으로의 활용을 목적으로 컴퓨터 업계를 중심으로 활발히 개발되고 있는 차세대 시스템 연결망 기술이다. 본 논문에서는 고성능 클러스터 시스템을 위한 인피니밴드 시스템 연결망의 설계와 구현을 다루며, 특히 이중(dual) ARM9 프로세서를 기반으로 한 인피니밴드 호스트 채널 어댑터(host channel adapter HCA) 개발에 초점을 맞추어 기술한다. KinCA라는 코드명이 부여된 HCA는 클러스터 시스템의 각 호스트 노드(host node)를 하드웨어 및 소프트웨어적으로 인피니밴드 연결망에 연결한다. ARM9 프로세서 코어는 다중 처리기 구성을 위해 필요한 기능을 지원하지 않으므로, 두 개의 프로세서간 통신 및 인터럽트 메커니즘을 설계하여 Kinch 칩에 내장하였다. 일종의 SoC인 KinCA 칩은 0.18$\mu\textrm{m}$ CMOS 기술을 사용하여 564핀 BGA(Ball Grid Array) 소자로 제작되었다. KinCA는 호스트 노드에 장착되어 송신과 수신 각각에 대하여 10Gbps의 고속 대역폭을 제공함으로써 고성능 클러스터 시스템의 구현을 가능하게 해준다.
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