1
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The PCF sends SmPolicyUpdateNotify to SMF, and receives an acknowledgment.
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2
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SMF activates the ADC rule (Predefined rule).
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3
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SMF maintains the predefined rule for Application ID mapping.
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4
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SMF sends the N4 Session Modification Request to UPF, and receives a response from UPF.
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5
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ADC is activated at the UPF.
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6
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UPF detects the packets matching ADC rule.
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7
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UPF sends the N4SessionUpdate request to the SMF, and receives a response from the SMF. UPF triggers Application Start.
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8
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SMF sends the SmPolicyUpdate Request to PCF, and receives an acknowledgment from the PCF. Optionally, the dedicated bearer
is created as part of response.
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9
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PCF sends SmPolicyUpdateNotify to SMF, and receives an acknowledgment from SMF.
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10
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PCF sends dynamic rule for QCI 80 bearer, and a dedicated bearer is setup.
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11
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UPF switches the traffic to dedicated bearer.
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12
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UPF detects stop of traffic on dedicated bearer.
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13
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UPF sends the N4SessionUpdate request to the SMF, and receives a response from the SMF. UPF triggers Application Stop.
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14
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SMF sends the SmPolicyUpdate Request to PCF, and receives an acknowledgment from the PCF. Optionally, the dedicated bearer
is removed as part of response.
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15
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PCF sends SmPolicyUpdateNotify to SMF, and receives an acknowledgment from SMF.
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16
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PCF sends removal of dynamic rule for QCI 80 bearer, and the dedicated bearer is removed.
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