Explain about congestion control, Computer Networking

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Q. Explain about Congestion control?

Congestion control

Open-loop congestion control

- prevent congestion before it happens

retransmission policy

- Retransmission timers should optimize efficiency & prevent congestion

window policy

- Selective Repeat window is superior than Go-back-N

acknowledgement policy

- if not each packet is ACKed the sender may slow down

discarding policy

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