When the window sizes are small, say 1 Mbit/s @ 200 ms round trip time and the window is about 20 packets, this recovery time is quite fast—on the order of a few seconds.
If the window size is small, such as 1 Mbit/s at 200 ms round trip time with a window of approximately 20 packets, the recovery time is remarkably quick—taking only a few seconds.