In Figure 11.11, show what happens in each of the following cases: Figure 11.11 a. The sender
Question:
Figure 11.11
a. The sender is at the ready state and an error-free ACK arrives.
b. The sender is at the blocking state and a time-out occurs.
c. The sender is at the ready state and a time-out occurs.
Transcribed Image Text:
Sending node Packet came from network layer. Make a frame, save a copy, and send the frame. Start the timer. Time-out. Resend the saved frame. Restart the timer. Blocking Ready Corrupted ACK arrived. Start Error-free ACK arrived. Stop the timer. Discard the ACK. Discard the saved frame. Receiving node Corrupted frame arrived. Error-free frame arrived. Extract and deliver the packet to network layer. Send ACK. Discard the frame. Ready Start
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a The sender stops the timer and discards the saved frame I...View the full answer
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