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18. What is differnce between policing and shaping? Explain in detail.

Answer:

Policing

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Traffic policing is nothing but where metering can be applied with bucket algorithm which is used for classifying(coloring) the packets and use policer to set specified set of actions for each classified packets accordingly.

Traffic policing will applied in the ingress pipeline.

Shaping

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Shaping is also a kind of rate limiting where can set a rate limit beyond which packets are dropped.

Shaping can be applied to a queue which is called queue shaping of the specific ethernet egress port.

Shaping will be applied to the Egress pipeline,


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