>But TCP numbers their packets and so I would expect them to continue sending new packets while waiting for ACKs of old packets, and my reading of Wikipedia agr

>But TCP numbers their packets and so I would expect them to continue sending new packets while waiting for ACKs of old packets, and my reading of Wikipedia agrees. TCP keeps a sliding congestion window that relies on RTT. https://en.wikipedia.org/wiki/TCP_congestion_control#Fast_retransmit https://en.wikipedia.org/wiki/TCP_congestion_control#Fast_re...