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背压法通常根据已用缓冲区的容量比例来实现。当已用缓冲区容量到达一个预先设定的比例时,交换器将根据这个阈值生成堵塞信号。当空闲缓冲区容量超过另一个较低的比例时,交换器将取消堵塞信号。·软件驱动程序 软件驱动程序让交换器可以直接与一台相连设备通信。交换器因此可以控制该工作站的传输。
Backpressure is usually based on the buffer capacity ratio to achieve. When used buffer capacity reaches a pre-set ratio, the switch will generate a blockage signal based on this threshold. When free buffer capacity exceeds another lower rate, the switch will unblock the signal. Software Driver Software drivers allow the switch to communicate directly with a connected device. The switch can therefore control the transmission of this station.