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Analysis of Congestion Control Mechanisms in Congestion Control

Analysis of Congestion Control Mechanisms in Congestion Control. Term Paper UdayendraNaidu Gottapu. What is congestion? Why it is so important?. Phases in Congestion Control. Congestion Detection Congestion Notification Congestion Avoidance. Congestion Detection. Buffer overflow

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Analysis of Congestion Control Mechanisms in Congestion Control

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  1. Analysis of Congestion Control Mechanisms in Congestion Control Term Paper UdayendraNaidu Gottapu

  2. What is congestion? • Why it is so important?

  3. Phases in Congestion Control • Congestion Detection • Congestion Notification • Congestion Avoidance

  4. Congestion Detection • Buffer overflow • Random early detection

  5. Congestion Notification • Implicit Notification • Packet drops • Delayed ACK • Explicit notification • ECN

  6. ECN • Process of ECN • Packet Marking • Mark Front • Mark Tail • Mark Random • Advantages over packet drops

  7. Flow control • Window based flow control • Rate based flow control

  8. Window Based flow control mechanism • Popular methods • Slow start • Congestion avoidance • Fast retransmission (duplicate acknowledgements)

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