CN103856924B - PCC strategy achieving method and device - Google Patents

Abstract

The invention relates to the communication technology and discloses a PCC strategy achieving method and device. After a GGSN receives PDP activation request messages sent by a mobile terminal, strategy request messages are not sent to a PCRF immediately, the PDP activation request messages are analyzed first, the position information of the mobile terminal is obtained, under the situation that a cell identity matched with the position information of the mobile terminal exists locally, the GGSN sends the strategy request messages to the PCRF, and the PCRF configures a PCC service strategy for the mobile terminal. Otherwise, the GGSN configures the preset PCC service strategy for the mobile terminal, accordingly, the PCRF on a core network side does not configure the PCC service strategy for any mobile terminal, the PCC service strategy is only configured for a mobile terminal which belongs to a control cell, the PCC service request processing amount of the PCRF is lowered, and resource waste is avoided.

Description

A method and device for realizing PCC strategy

technical field

The present invention relates to communication technology, in particular to a method and device for realizing PCC strategy.

Background technique

With the rapid development of communication technology, the communication network is evolving to an all-IP (Internet Protocol, Internet Protocol) multimedia network. Operators continue to develop various communication services based on IP networks, such as multimedia calls, file downloads, web page browsing, and video-on-demand.

Different services have different requirements for Quality of Service (QoS), and the charging requirements for different services are also different. The network will provide users with different QoS services according to the type of business and the user's subscription level, and by detecting different business flows, it will report the billing information such as traffic flow and duration to the billing center for billing. In order to solve the above-mentioned problems related to QoS and flow-based charging, etc., the 3rd Generation Partnership Project (3GPP) defines PCC (Policy Control and Charging).

The PCC framework is defined in TS 23.203, as shown in Figure 1, where the functions of each entity are described as follows:

AF (Application Function): An application function entity, mainly for PCRF (Policy Control and Charging Rules Function, policy control and charging rule function) to formulate policies and charging control rules to dynamically provide application layer session information.

PCRF: policy control and charging control functional entity. According to the restrictions on user access to the network, the user's current application business information, local operator configuration and user subscription information, formulate corresponding policies, and provide the policies to PCEF (Policy Control and Charging Enforcement Function, policy and charging execution Functional entity) executes. Policies include: service data flow detection, QoS control, gate control and flow-based charging, etc. The interface with PCEF adopts Gx, which is an application protocol based on Diameter.

The function of each interface is described as follows:

Rx: This reference point is used by the AF to deliver application-layer session-related information, including IP filters used to identify service data flows and bandwidth information required by service flows. This interface uses the Diameter protocol defined by IETF.

Gx: This reference point is used by the PCRF to dynamically control the PCC rules executed by the PCEF. It has the following functions: establish, maintain and terminate IP-CAN (IP Connectivity Access Network, IP connection access network) sessions; PCEF requests PCC rules from PCRF; PCRF provides PCC rules to PCEF; negotiates IP-CAN bearer establishment mode, etc. This reference point uses the Diameter protocol defined by the IETF.

Other entities, such as SPR (Subscription Profile Repository, subscription information base), OCS (Online Charging System, online charging system), OFCS (Offline Charging System, offline charging system) and interfaces (Sp, Gy, Gz) and this The content of the invention is irrelevant and will not be described here. Refer to FIG. 2 for a schematic diagram of the PCC architecture on the wireless side and the core network side.

At present, in order to achieve end-to-end control capabilities, operators deploy the PCC function on the wireless network side and the core network side at the same time. In order to avoid waste of resources, operators hope that both the wireless network side and the core network side select the control cell to implement the PCC function to achieve optimal network configuration. However, under the existing technology, the wireless network side only performs data service requests from the control cell Policy control: The core network side not only needs to implement policy control for data service requests from managed and controlled cells, but also implements policy control for data service requests from non-managed and controlled cells. To carry out policy control, policy control must also be carried out for the data services of non-management and control cells, which is a waste of resources.

Contents of the invention

The embodiment of the present invention provides a method for reducing the amount of PCC service requests processed by PCRF, so as to solve the problem in the prior art that the core network side performs policy control for data services of non-managed and controlled cells, resulting in waste of resources.

A method for implementing a PCC strategy, comprising:

The gateway general packet radio service support node GGSN receives the packet data protocol PDP activation request message sent by the mobile terminal;

When the GGSN obtains the location information of the mobile terminal by parsing the PDP activation request message, and determines that there is no locally managed cell identifier matching the location information of the mobile terminal, the GGSN configures the mobile terminal with a preset PCC business strategy.

A device for reducing the PCC service request processing volume of PCRF, comprising:

A receiving unit, configured to receive a packet data protocol PDP activation request message sent by the mobile terminal;

The first configuration unit is configured to obtain the location information of the mobile terminal by parsing the PDP activation request message, and determine that when the device does not have a control cell identity that matches the location information of the mobile terminal, the device configures the location information of the mobile terminal. The mobile terminal is configured with a preset PCC service policy.

In the embodiment of the present invention, the gateway general packet radio service support node GGSN (Gateway GPRSSupportNode, gateway GPRS support node; GPRS: General Packet Radio Service, general packet radio service) receives the packet data protocol PDP (Packet DataProtocol, packet radio service) sent by the mobile terminal data protocol) activation request message, instead of immediately sending a policy request message to the PCRF, so that the PCRF configures a PCC service policy for the mobile terminal that sends the PDP activation request message, but first parses the PDP activation request message to obtain the location information of the mobile terminal, and When it is determined that there is a cell identity matching the location information of the mobile terminal, the GGSN sends a policy request message to the PCRF, so that the PCRF configures a PCC service policy for the mobile terminal; otherwise, the GGSN configures a preset PCC service for the mobile terminal In this way, the PCRF on the core network side does not configure the PCC service policy for any mobile terminal, but only configures the PCC service policy for the mobile terminal belonging to the control cell, thereby avoiding waste of resources.

Description of drawings

Fig. 1 is the schematic diagram of PCC structure in the prior art;

FIG. 2 is a schematic diagram of PCC architectures on the wireless side and the core network side in the prior art;

FIG. 3 is a schematic diagram of the functional structure of the GGSN in an embodiment of the present invention;

Fig. 4 is a detailed flow chart of reducing the amount of PCC service request processing of the PCRF in the embodiment of the present invention.

detailed description

In order to enable the PCRF to configure the PCC service policy for the designated mobile terminal, that is, to configure the PCC service policy for the mobile terminal belonging to the control cell, and reduce the PCC service request processing amount of the PCRF, in the embodiment of the present invention, the GGSN receives the PDP sent by the mobile terminal After the activation request message, instead of immediately sending a policy request message to the PCRF to make the PCRF configure the PCC service policy for the mobile terminal sending the PDP activation request message, it first parses the PDP activation request message to obtain the location information of the mobile terminal, and determines the location information of the local When there is a cell identity matching the location information of the above-mentioned mobile terminal, the GGSN sends a policy request message to the PCRF, so that the PCRF configures the PCC service policy for the mobile terminal; otherwise, the GGSN configures the preset PCC service policy for the mobile terminal, so , the PCRF on the core network side does not configure the PCC service policy for any mobile terminal, but only configures the PCC service policy for the mobile terminal belonging to the control cell, thereby reducing the PCC service request processing volume of the PCRF and avoiding resource waste.

Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in FIG. 3, in the embodiment of the present invention, the device for implementing the PCC policy includes a receiving unit 30 and a first configuration unit 31, wherein,

A receiving unit 30, configured to receive a PDP activation request message sent by the mobile terminal;

The first configuration unit 31 is configured to obtain the location information of the mobile terminal by parsing the PDP activation request message, and determine that when the GGSN does not have a management and control cell identity matching the location information of the mobile terminal, the GGSN will The mobile terminal is configured with a preset PCC service policy.

In the embodiment of the present invention, the device for implementing the PCC policy is the GGSN.

Based on the above technical solution, as shown in FIG. 4, in the embodiment of the present invention, the detailed flow of reducing the PCC service request processing volume of PCRF is as follows:

Step 400: The GGSN receives the PDP activation request message sent by the mobile terminal.

In the embodiment of the present invention, the GGSN receives the PDP activation request message sent by the mobile terminal through the Gn interface, wherein the PDP activation request message is the Create PDP Context Request message. And, the GGSN receives the PDP activation request message sent by the mobile terminal based on the PDP.

Step 410: GGSN obtains the location information of the mobile terminal by parsing the PDP activation request message, and judges whether there is a cell identity matching the location information of the mobile terminal locally, if so, executes step 420, otherwise, executes step 430.

In the embodiment of the present invention, after receiving the PDP activation request message sent by the mobile terminal, the GGSN does not immediately send a policy request message to the PCRF on the core network side to make the PCRF configure the PCC service policy for the mobile terminal, but first parses the received PDP The activation request message obtains at least the location information of the mobile terminal carried in the PDP activation request message. The mobile terminal can be located in a managed cell or a non-managed cell. The controlled cell and the non-managed cell mentioned here are based on wireless resource congestion situation, data service situation, etc., where the location information of the mobile terminal is also the identity of the cell where the mobile terminal is located,

After obtaining the location information of the mobile terminal, the GGSN checks whether there is a cell identifier matching the location information of the mobile terminal in the locally stored list of managed cells, wherein the list of managed cells includes the CGI (Cell Global Identification, Global cell identification code), the list information can be manually entered periodically or automatically updated through the system.

In the embodiment of the present invention, after the GGSN determines that there is a local cell identity matching the location information of the mobile terminal, step 420 is performed; otherwise, step 430 is performed.

Step 420: The GGSN sends a policy request message to the PCRF, so that the PCRF configures the PCC service policy for the mobile terminal.

In the embodiment of the present invention, after the GGSN determines that there is a cell identity matching the location information of the mobile terminal locally, the GGSN sends a policy request message to the PCRF based on the Diameter protocol, wherein the policy request message carries at least the cell identity, access type, business type etc.

Further, after the PCRF receives the policy request message sent by the GGSN, it determines the corresponding PCC service policy according to the relevant information carried in the policy request message and the user and subscription related information in the SPR, and sends the PCC service policy to the GGSN , speed limit and gate control are performed at the GGSN, wherein the subscription-related information at least includes information such as access services, accumulated traffic, cell location, and access time.

Further, in order to realize end-to-end service control, the GGSN sends QoS information to the wireless network, and the wireless side and the core network side jointly perform end-to-end data service priority scheduling and service rate adaptation. Wherein, the QoS information at least includes mobile terminal level, service level, maximum rate, guaranteed rate, and so on.

Step 430: The GGSN configures a preset PCC service policy for the mobile terminal.

In the embodiment of the present invention, after the GGSN determines that there is no local cell identity matching the location information of the mobile terminal, that is, when the mobile terminal is located in an unmanaged cell, the GGSN configures a preset PCC service policy for the mobile terminal, Any mobile terminal in an unmanaged cell executes a preset PCC service policy, and the preset PCC service policy can be a default policy or a policy without any content. The default policy refers to the PCC service policy of any mobile terminal.

Further, before configuring the PCC service strategy, if the operator has preset the strategy for the PCC service according to the area, then when the GGSN configures the PCC service strategy for the mobile terminal, it will search for a preset strategy that matches the location information of the mobile terminal, and set The found preset policy matching the location information of the mobile terminal is configured for the mobile terminal.

Step 440: Complete the PDP activation process.

In order to better understand the embodiment of the present invention, a specific application scenario is given below, and a further detailed description is made for the process of reducing the PCC service request of PCRF:

Embodiment 1: Taking the mobile terminal A located in the managed cell 1 as an example, the method for reducing the PCC service request of the PCRF will be described in detail.

Step a1: GGSN receives the PDP activation request message sent by mobile terminal A.

The GGSN receives the PDP activation request message sent by the mobile terminal A based on the PDP.

Step b1: GGSN obtains the location information of mobile terminal A by analyzing the PDP activation request message, and executes step c1 when it determines that there is a cell identity matching the location information of mobile terminal A locally.

In this embodiment, the GGSN parses the received PDP activation request message to obtain at least the location information of mobile terminal A carried in the PDP activation request message, that is, to obtain at least the identifier of the managed cell 1 carried in the PDP activation request message. The IDs of all managed cells are saved in the management and control list of the GGSN, therefore, there is an ID consistent with the ID of the managed cell 1 in the GGSN.

Step c1: The GGSN sends a policy request message to the PCRF, so that the PCRF configures the PCC service policy for the mobile terminal A.

After receiving the policy request message sent by the GGSN, the PCRF determines the corresponding PCC service policy based on the relevant information carried in the policy request message and the user and subscription related information in the SPR, and sends the PCC service policy through the GGSN based on the Diameter protocol to the mobile terminal.

Step d1: Complete the PDP activation process.

Embodiment 2: Taking the mobile terminal B located in the unmanaged cell 2 as an example, the method for reducing the PCC service request of the PCRF will be specifically described.

Step a2: GGSN receives the PDP activation request message sent by mobile terminal B.

The GGSN receives the PDP activation request message sent by the mobile terminal B based on the PDP.

Step b2: GGSN obtains the location information of mobile terminal B by analyzing the PDP activation request message, and executes step c2 when it determines that there is a cell identity matching the location information of mobile terminal B locally.

In this embodiment, the GGSN parses the received PDP activation request message to obtain at least the location information of the mobile terminal B carried in the PDP activation request message, that is, to obtain at least the identifier of the managed cell 2 carried in the PDP activation request message. The identity of the unmanaged cell is not saved in the management and control list of the GGSN, therefore, there is no identity consistent with the identity of the unmanaged cell 2 in the GGSN.

Step c2: The GGSN configures a preset PCC service policy for the mobile terminal B.

In this embodiment, the preset PCC service policy may be a PCC service policy applicable to any mobile terminal in an unmanaged cell, or may be a PCC service policy without any content.

Further, if before configuring the PCC service strategy, if the operator has preset the strategy for the PCC service according to the area, then when the GGSN configures the PCC service strategy for the mobile terminal, it will search for the preset strategy that matches the non-managed cell 2, and set The found preset policy matching the unmanaged cell 2 configures the PCC service policy for the mobile terminal B.

Step d2: Complete the PDP activation process.

Based on the above embodiments, it can be seen that after receiving the PDP activation request message sent by the mobile terminal, the GGSN filters the received PDP activation request message according to the cell where the mobile terminal is located. For the mobile terminal belonging to the managed cell, the GGSN receives the PDP activation request After receiving the PDP activation request message, the GGSN will configure the preset PCC service policy instead of the PCRF Configuring the PCC service policy for the mobile terminal reduces the method for the PCRF to process the PCC service request and avoids waste of resources.

In summary, in the embodiment of the present invention, after the GGSN receives the PDP activation request message sent by the mobile terminal, it does not immediately send a policy request message to the PCRF, so that the PCRF configures the PCC service policy for the mobile terminal sending the PDP activation request message, but Yes, first analyze the PDP activation request message to obtain the location information of the mobile terminal, and when it is determined that there is a cell identity matching the location information of the mobile terminal locally, the GGSN sends a policy request message to the PCRF, so that the PCRF configures the mobile terminal PCC service policy; otherwise, the GGSN configures a preset PCC service policy for the mobile terminal. In this way, the PCRF on the core network side does not configure the PCC service policy for any mobile terminal, but only needs to configure the PCC service policy for the mobile terminal belonging to the control cell. The PCC service request processing volume of the PCRF is reduced, and resource waste is avoided.

Those skilled in the art should understand that the embodiments of the present invention may be provided as methods, systems, or computer program products. Accordingly, the present invention can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It should be understood that each procedure and/or block in the flowchart and/or block diagram, and combinations of procedures and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions may be provided to a general purpose computer, special purpose computer, embedded processor, or processor of other programmable data processing equipment to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing equipment produce a Means for realizing the functions specified in one or more steps of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions The device realizes the function specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, thereby The instructions provide steps for implementing the functions specified in the flow chart flow or flows and/or block diagram block or blocks.

While preferred embodiments of the invention have been described, additional changes and modifications to these embodiments can be made by those skilled in the art once the basic inventive concept is appreciated. Therefore, it is intended that the appended claims be construed to cover the preferred embodiment as well as all changes and modifications which fall within the scope of the invention.

Apparently, those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. In this way, if the modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (12)

1. a kind of method that strategy and charging control PCC strategy are realized, it is characterised in that include：

Ggsn GGSN receives the packet data protocol (PDP) activating request that mobile terminal sends Message；

GGSN obtains the positional information of the mobile terminal by the parsing PDP activation request message, and determination is not locally deposited In the management and control cell ID matched with the positional information of the mobile terminal, the GGSN is pre- to the mobile terminal configuration If PCC business games.

2. the method for claim 1, it is characterised in that also include：

When the GGSN determinations locally have the management and control cell ID matched with the positional information of the mobile terminal, to PCRF Sending strategy request message, indicates the PCRF to the mobile terminal configuration PCC business game.

3. method as claimed in claim 1 or 2, it is characterised in that GGSN determines local whether there is and the mobile terminal The management and control cell ID that matches of positional information, including：

GGSN is determined in locally stored management and control cell list with the presence or absence of matching with the positional information of the mobile terminal Management and control cell ID.

4. the method for claim 1, it is characterised in that GGSN PCC industry default to the mobile terminal configuration Business strategy, including：

The GGSN is applied to the mobile terminal configuration PCC business plans of any one mobile terminal for belonging to non-management and control cell Slightly；Or

The PCC business games that the GGSN matches to the mobile terminal configuration with mobile terminal place cell.

5. method as claimed in claim 2, it is characterised in that the GGSN indicates institute to PCRF sending strategy request messages PCRF is stated to the mobile terminal configuration PCC business game, including：

The GGSN sends the policy request message of the mark at least carrying mobile terminal place cell to PCRF, indicates institute The mark that PCRF is stated according to mobile terminal place cell is to the mobile terminal configuration PCC business game.

6. method as claimed in claim 5, it is characterised in that indicate the PCRF according to mobile terminal place cell Identify to the mobile terminal configuration PCC business game, including：

The PCRF is indicated after the policy request message that the GGSN sends is received, according in the strategy request information extremely The mark of few mobile terminal place cell for carrying, and with reference to the user in the SPR of CAMEL-Subscription-Information storehouse and signing relevant information, It is determined that the PCC business games to the mobile terminal configuration.

7. the device that a kind of strategy and charging control PCC strategy are realized, it is characterised in that include：

Receiving unit, for receiving the packet data protocol (PDP) activating request message of mobile terminal transmission；

First dispensing unit, for obtaining the positional information of the mobile terminal by the parsing PDP activation request message, and When determining that this device does not have the management and control cell ID matched with the positional information of the mobile terminal, this device is to the shifting Dynamic terminal configures default PCC business games.

8. device as claimed in claim 7, it is characterised in that also including the second dispensing unit, second dispensing unit is used In：

When determining that this device has the management and control cell ID matched with the positional information of the mobile terminal, to PCRF plan is sent Slightly request message, indicates the PCRF to the mobile terminal configuration PCC business game.

9. device as claimed in claim 7 or 8, it is characterised in that first dispensing unit specifically for：Determine this device When there is no the management and control cell ID matched with the positional information of the mobile terminal in the management and control cell list of storage, to institute State the default PCC business games of mobile terminal configuration；

Second dispensing unit specifically for：Determine the position existed in the management and control cell list that this device is stored with the mobile terminal When putting the management and control cell ID of information match, to PCRF sending strategy request messages, indicate the PCRF to described mobile whole End configuration PCC business games.

10. device as claimed in claim 7, it is characterised in that first dispensing unit specifically for：

The PCC business games of any one mobile terminal for belonging to non-management and control cell are applied to the mobile terminal configuration；Or

The PCC business games that the mobile terminal configuration is matched with mobile terminal place cell.

11. devices as claimed in claim 8, it is characterised in that second dispensing unit specifically for：

The policy request message of the mark at least carrying mobile terminal place cell is sent to PCRF, the PCRF roots are indicated According to the mark of mobile terminal place cell to the mobile terminal configuration PCC business game.

12. devices as claimed in claim 11, it is characterised in that second dispensing unit specifically for：

Indicate the PCRF receive this device transmission policy request message after, according in the strategy request information at least Carry mobile terminal place cell mark, and with reference to the user in the SPR of CAMEL-Subscription-Information storehouse and signing relevant information, really The fixed PCC business games to the mobile terminal configuration.