As DMA is widely used in the high_speed NIC design , the DMA engine in the NIC has become one important component to improve the communication efficiency between the host and the NIC.

• 随着DMA技术在高速网卡设计中的广泛应用,DMA引擎已经成为网卡提高其和主机间通讯效率的一个重要组成部分。