Tcp repeat confirmation

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bind to socket on the computer to establish a tcp connection with the mobile phone, and after a period of time, the link suddenly hangs up. Wireshark sees that the computer side (10.86.34.145) has been sending repeated ack,. I would like to ask what the reason may be.

Tcp-grabs-the-bag tcp

Apr.01,2021

indicates that a packet has been lost. For example, if the last packet sent is 1: 1000, the receiver will ack and carry the sequence number (1001-2000) to be sent next time. If the sender refuses to send the packet, the receiver will ack, until after a certain timeout

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