HP MSR2000/3000/4000 Router Series ACL and QoS Configuration Guide

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2. The QoS module takes various QoS actions on classified traffic as configured, depending on the
traffic processing phase and network status. For example, you can configure the QoS module to
perform traffic policing for incoming traffic, traffic shaping for outgoing traffic, congestion
avoidance before congestion occurs, and congestion management when congestion occurs.
Figure 3 QoS processing flow
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