Consider the Go-Back-N protocol, and suppose that base of the senders window is X. Is it
possible for the sender to receive an ACK for a packet that has a smaller sequence number than X. If so, sketch out a timeline-diagram showing sender and receiver messages sent and received that shows how this is possible. If not, explain why this can never happen.
possible for the sender to receive an ACK for a packet that has a smaller sequence number than X. If so, sketch out a timeline-diagram showing sender and receiver messages sent and received that shows how this is possible. If not, explain why this can never happen.