As shown in figure, line 74, according to the receiver sends a response, TCP Dup ACK 72 # 1] shows that the receiver has not yet received the expected number of message, the message sequence number is 32354, and the problem is, according to the description of the fast retransmission, the sender will receive 3 Dup an ACK fast retransmission without having to wait timeout timer, but the actual situation as shown in figure
Line 147, the receiver is sent 36 Dup ACK, how do you explain this? Please masters to help you, thank you!
CodePudding user response:
CodePudding user response:
Possible transmitter sends the Dup ACK lost, may the sender to resend the data lost again