Question

in congestion avoidance algorithm,if the size of the congestion window (cwnd)=1 at starting,then what is the size of cwnd after round 3?
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Answer 1

Answer:

The size of cwnd(congestion window) increases additive. After each RTT cwnd = cwnd + 1. Congestion Detection Phase : multiplicative decrement – If congestion occurs, the congestion window size is decreased. The only way a sender can guess that congestion has occurred is the need to retransmit a segment

Explanation:

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