I'm doing an SFTP transfer between two servers about 70ms RTT apart and seeing excessive TCP Dup ACK and TCP Retransmissions. The circuit size is 50 mbit/sec, but I'm getting a transfer speed of 500 kbit/sec or less. What could be causing this?
Receiver https://www.cloudshark.org/captures/e01c935ec6df
Sender https://www.cloudshark.org/captures/e7f8b79d93eb
