Question: If the last packet SEQ1501 is lost, when does the sender retransmit the packet? (1). The following table shows a trace of a TCP session.
If the last packet SEQ1501 is lost, when does the sender retransmit the packet?

(1). The following table shows a trace of a TCP session. In the TCP session, a sender sends TCP packets and receives ACKs. Each packet sent contains 100-byte payload. Please figure out SampleRTT, EstimatedRT, and DevRTT when you receive each ACK. Fill the second table. We assume that the weighing factors are a-0.25 and -0.25. At the beginning, EstimatedRTT-500 ms, and DevRTT-50 ms. Seq Number (Sent) SEQ1001 SEQ1001 ACK Number (Received) Time in ms 700 1000 1005 ACK1 101 SEQ1101 SEQ1201 1600 1620 1700 1800 2250 2400 3000 ACK1201 ACK1301 SEQ1301 SEQ1401 ACK1401 ACK1501 SEQ1501 (1). The following table shows a trace of a TCP session. In the TCP session, a sender sends TCP packets and receives ACKs. Each packet sent contains 100-byte payload. Please figure out SampleRTT, EstimatedRT, and DevRTT when you receive each ACK. Fill the second table. We assume that the weighing factors are a-0.25 and -0.25. At the beginning, EstimatedRTT-500 ms, and DevRTT-50 ms. Seq Number (Sent) SEQ1001 SEQ1001 ACK Number (Received) Time in ms 700 1000 1005 ACK1 101 SEQ1101 SEQ1201 1600 1620 1700 1800 2250 2400 3000 ACK1201 ACK1301 SEQ1301 SEQ1401 ACK1401 ACK1501 SEQ1501
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