VIA는 클러스터 또는 시스템 영역 네트워크를 위한 표준화된 사용자수준 통신 아키텍쳐이고, GFS는 LINUX 클러스터에서 사용할 수 있는 공유 락일 시스템이다. 클러스터 환경에서 GFS를 사용할 때 특별한 스토리지 네트워크가 설치되어 있지 않으면 GNBD를 사용한다. GNBD는 TCP/TP 상의 소켓을 기반으로 구현되어 있기 때문에, VIA를 사용하는 클러스터이더라도 VIA 하드웨어 상에서 TCP/IP 소켓을 통하여 GNBD를 작동시킨다. VIA와 같이 물리적 연결이 신뢰성이 높고 높은 수준의 기능을 제공하는 경우는 같은 클러스터 안에서 TCP/IP 프로토콜 스택을 사용할 필요가 없다. 본 논문은 VIA상에서 GNBD를 위한 고속 통신 계층(VCONN)을 제안하여, 동일한 VIA 하드웨어에서 지원되는 TCP/IP 모듈을 사용했을 때보다 읽기, 쓰기 성능을 각각 약 22%, 30% 향상시키는 방법을 소개한다.
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