인터넷 사용자의 증가와 인터넷을 이용한 전자상거래(E-commerce)의 확산 그리고 네트워크 게임 등으로 인해 인터넷상의 사용자 데이터는 끊임없이 증가하고 있는 상태이다. 이러한 인터넷의 확산을 지원하기 위해 고속 통신을 가능하게 할 초고속 라우터가 상용화되는 추세이다. 고속의 패킷 라우팅 처리를 위해 고안된 라우터 구조를 살펴보면, 라인 인터페이스와 호스트 프로세서는 각각 제어용 프로세서를 가지고 있어 독립된 디바이스로 동작하며 패킷 스위칭과 고속의 패킷 포워딩, 신속한 FIB(Forwarding Information Base)처리 등을 구현하고 있다. 본 논문에서는 라우팅 정보를 관리하는 유니캐스트 및 멀티캐스트 라우팅 프로토콜과 OAM(Operation And Maintenance) 관련 패킷을 비포워딩(nonforwarding) 패킷으로 정의하고, 이를 처리하는 라인 인터페이스와 호스트 프로세서에서의 소프트웨어 구조를 제시하였다. 또한 분산 시스템에 요구되는 프로세서 간의 통신 메커니즘으로 프로세서간 통신 처리용 프로토콜(Inter-Processor Communication Message Protocol)을 설계 및 적용하여 기존의 UDP/IP를 이용하는 통신 메커니즘에 비해 성능이 향상됨을 확인하였다.
KSP Keywords
Electronic commerce(E-Commerce), Forwarding Information Base, inter-processor communication, operation and maintenance(O&M)
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