Policy control method and system
A strategy control and strategy technology, applied in the transmission system, data exchange details, electrical components, etc., can solve the problem that PCEF cannot allocate resources, and achieve the effect of reasonable allocation and realization of network resources
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no. 1 example
[0126] The first embodiment: policy control based on QoS intervals when establishing or modifying a bearer initiated by a UE.
[0127] In this embodiment, the UE sends a request to the PCEF to establish (or modify) a bearer; after receiving the request sent by the UE, the PCEF applies to the PCRF for authorization of the QoS interval; The section is issued to the PCEF; the PCEF selects the appropriate QoS from the QoS section for policy control according to the resource usage status.
[0128] Figure 4 It is a flow chart of the policy control method in the first embodiment of the present invention. Such as Figure 4 As shown, the policy control method in the first embodiment of the present invention includes the following steps:
[0129] Step 401, the UE initiates a request to the PCEF for IP-CAN bearer establishment or modification (in the GPRS system, it is a secondary PDP context establishment or modification request);
[0130] Step 402, PCEF requests QoS or...
no. 2 example
[0140] The second embodiment: policy control based on QoS intervals when an internal event of the PCEF is triggered.
[0141] In this embodiment, when the PCEF is triggered by an internal event (for example, an event in the event trigger list occurs), the PCEF applies to the PCRF for the authorization of the QoS interval; the PCRF authorizes the QoS interval through decision-making, and issues the authorized QoS interval to the PCEF , PCEF selects the appropriate QoS from the QoS interval for policy control according to the resource usage status.
[0142] Figure 5 It is a flow chart of the policy control method in the second embodiment of the present invention. Such as Figure 5 As shown, the policy control method in the second embodiment of the present invention includes the following steps:
[0143] Step 501, PCEF is triggered by an internal event, for example, a QoS change event trigger is triggered;
[0144] Step 502, PCEF applies to PCRF for authorization ...
no. 3 example
[0152] Embodiment 3: Policy control based on QoS intervals when an AF session is established or modified.
[0153] In this embodiment, the establishment or modification process of the AF session triggers the PCRF to make an authorization decision on the QoS interval for the bearer or service flow, generates an authorized QoS interval, and actively sends it to the PCEF through the Diameter Authentication Authorization Request (AAR) message , PCEF selects the appropriate QoS from the QoS interval for policy control according to the resource usage status.
[0154] Figure 6 It is a flow chart of the policy control method in the third embodiment of the present invention. Such as Figure 6 As shown, the policy control method in the third embodiment of the present invention includes the following steps:
[0155] Step 601, establishment or modification of an AF session;
[0156] Step 602, the PCRF authorizes the QoS interval through decision-making;
[0157] Step 6...
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