Two adjacent nodes P and Q use Go-Back-N sliding window protocol with 3-bit sequence numbers and a send window size of 7. What is the window position for P and Q by drawing the sequence diagram after : P sends all seven frames 0,1,2,3,4,5and 7 frames in the current window. Frame 5 is lost. Q acknowledges frames 0,1,2,3,4, all the acks are received by P except for ack 2 and ack 3.

Two adjacent nodes P and Q use Go-Back-N sliding window protocol with 3-bit sequence numbers and a send window size of 7. What is the window position for P and Q by drawing the sequence diagram after : P sends all seven frames 0,1,2,3,4,5and 7 frames in the current window. Frame 5 is lost. Q acknowledges frames 0,1,2,3,4, all the acks are received by P except for ack 2 and ack 3.

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