片上网络(NoC)的研究借鉴了计算机网络的设计思想,将计算机网络技术移植到芯片设计中来。介绍了片上网络的关键技术和仿真方法,包括拓扑结构、路由与交换协议、流量控制、缓存设计、性能评估与仿真等,并对今后的研究做出了展望。 The research of NoC (Internet on Chip) draws on the design idea of ​​computer network and transplants the computer network technology into the chip design. The key technologies and simulation methods of on-chip network are introduced, including topology, routing and switching protocol, traffic control, cache design, performance evaluation and simulation, and the future research is also prospected.