Introduction to Traffic Policing, Traffic Shaping

Traffic policing, traffic shaping are key factors in implementing QoS. Traffic policing controls the rate of incoming packets to ensure that network resources are properly allocated. Traffic shaping controls the rate of outgoing packets to allow the traffic rate to match that on the downstream device. These factors work together to provide QoS guarantees on networks.

Traffic Policing

Traffic policing controls the rate of incoming packets to ensure that network resources are properly allocated. If the traffic rate of a connection exceeds the specifications on an interface, traffic policing allows the interface to drop excess packets or re-mark the packet priority to maximize network resource usage and protect carriers profits.

Traffic Shaping

Traffic shaping (TS) is a pro-active way to adjust the traffic output rate. A typical application of TS is to control the volume and burst of outgoing traffic based on the network connection. Thus the packets can be transmitted at a uniform rate.

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