Using the saved output, describe the time interval between each ARP Request issued by PC1. Describe the method used by ARP to determine the time between retransmissions of an unsuccessful ARP Request. Include relevant data to support your answer.

What will be an ideal response?


The clocks of the ARP requests are 17:46:33 (Frame1), 17:46:34 (Frame 2), 17:46:35 (Frame 3)
and 17:46:42 (Frame 4). Therefore, the time difference of the ARP requests are 1 second, 1 second, and 7 seconds. In this case, we are trying to connect an unreachable host using telnetprotocol. These ARP requests correspond one-to-one with the initial TCP SYN(synchronize)segment that TCP is trying to send. Therefore, it follows the TCP's timeout and retransmissionalgorithm. Basic idea is it doubles its timeout value for each retransmission, with an upper limit of64 seconds. This doubling is called an exponential backoff.

Computer Science & Information Technology

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