Show the drawbacks of go-back-N, Computer Networking

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Q. Show the Drawbacks of Go-back-N?

Drawbacks of Go-back-N

- Inefficient

- Every out of order received packets are discarded (receiver side is simplified)

- This is a trouble in a noisy link

- Many frames should be retransmitted -> bandwidth consuming

- Solution

- Re-send merely the damaged frames

- Selective Repeat ARQ

- Avoid unnecessary retransmissions

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