Thanks to cumulative windowing, it does have a dropped packet signal: https://en.wikipedia.org/wiki/Transmission_Control_Protocol#Dupack-based_retransmission ht

Thanks to cumulative windowing, it does have a dropped packet signal: https://en.wikipedia.org/wiki/Transmission_Control_Protocol#Dupack-based_retransmission https://en.wikipedia.org/wiki/Transmission_Control_Protocol#...