Abstract

최근, 공유버스 구조의 한계를 극복하기 위하여 NoC가 활발하게 연구되고 있다. 본 논문에서는 NoC 구조의 통신 효율을 향상시키기 위해, 컴퓨터 네트워크의 프록시 서버와 유사한 역할을 하는 버퍼를 사용한 NoC 구조를 제안한다. 제안된 NoC 구조에서 매스터가 슬레이브와 직접 통신하기 어려울 때마다 매스터를 대신하여 슬레이브와 통신할 수 있는 프록시 서버와 통신한다. NoC에서 제안된 방식을 사용하면 통신 채널의 속도를 높이고 대역폭을 늘릴 수 있다. 실험 결과로부터, 패킷을 스위치 버퍼에 머무르게 하지 않고 프록시 서버에 보냄으로써 전반적인 통신효율이 크게 향상됨을 확인하였다. NoC is actively being studied recently in order to overcome the limitations of shared-bus architecture. We proposed an NoC architecture which employs a buffer that plays a similar role of a proxy server in a computer network to enhance the communication efficiency of NoC architecture. In the proposed NoC architecture, whenever the master has a difficulty in communicating with the slave directly, the master communicates with the proxy server which is able to communicate with the slave on behalf of the master. With the proposed scheme in NoC, we can increase the speed and the bandwidth of communication channel. The experimental results showed that overall communication efficiency was significantly improved by sending the packets to the proxy server rather than holding them in the switch buffer.

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