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Congestion

Congestion. Open loop congestion control. Admission Control Policing Traffic Shaping. Admission Control. Computes resource requirements (BW and Buffers) based on traffic parameters: Peak rate Average rate Maximum Burst Size (MBS). Policing-leaky bucket. Problem 2. Problem (2).

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Congestion

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  1. Congestion

  2. Open loop congestion control • Admission Control • Policing • Traffic Shaping

  3. Admission Control • Computes resource requirements (BW and Buffers) based on traffic parameters: • Peak rate • Average rate • Maximum Burst Size (MBS)

  4. Policing-leaky bucket

  5. Problem 2

  6. Problem (2) Non-Conformant pkts Pkt Size 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time

  7. Traffic Shaping-leaky bucket

  8. Token Bucket Shaper

  9. Problem 3

  10. Problem (3)-Token Bucket Dropped Pkts Pkt Size 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time

  11. Problem (2)-Token Shaper Delayed Pkts Pkt Size 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time

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