H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 24)

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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
Traffic
policing
Priority
marking
Classify
the traffic
Classification
Packets received
on the interface
Tokens
Drop
Other
proce
ssing
Token
bucket
CAR Remark
Tokens
Classify
the traffic
Classification
Packets to be sent
out the interface
Drop
Other
proces
sing
Queui
ng
Enqueue
Queue 0
Queue 1
Queue 2
Queue N
Dequeue
Transmit
Queues
Token
bucket
Traffic
policing
CAR
GTS
Congestion
management