Instead of coordinating the import and export of data from one hand-coded interface to another, you can just link it all up and expect everyone to dereference and recognise your data.
The various network device drivers run at the interface layer, which receives and transmits data from and to the physical link.
各种网络设备驱动程序在接口层运行，该层从物理链路接收数据，并向物理链路传输数据。
3
This mixed mode interface combines the traditional analog sensor signal with a low cost serial digital link to access a transducer electronic data sheet (TEDS) embedded in the sensor.