WO2013116978A1

WO2013116978A1 - Method, device and system for processing user resource request

Info

Publication number: WO2013116978A1
Application number: PCT/CN2012/070904
Authority: WO
Inventors: 李岩; 朱奋勤; 王磊; 王爽
Original assignee: 华为技术有限公司
Priority date: 2012-02-06
Filing date: 2012-02-06
Publication date: 2013-08-15
Also published as: CN103503513A; CN103503513B

Abstract

Disclosed are a method, device and system for processing a user resource request. The method comprises: a P-GW receiving a first resource creation request sent by an SGSN; the P-GW sending a first Credit Control Request (CCR) to a PCRF, the first CCR comprising a wildcard packet filter, and the wildcard packet filter being determined according to a wildcard packet filter constructed by the P-GW, or determined according to a wildcard packet filter constructed by the SGSN and contained in the first resource creation request; the P-GW receiving a first Credit Control Answer (CCA) from the PCRF, the first CCA comprising a first PCC rule corresponding to information of the wildcard packet filter, and installing the first PPC rule. The present invention is applicable to the creation and modification of PDP context in a bearer control mode.

Description

User resource request processing method, device and system

The present invention relates to the field of communications technologies, and in particular, to a method, device, and system for processing a user resource request. Background technique

3GPP (The 3rd Generation Partnership Project) In the SAE (System Architecture Evolution) architecture defined by TS (Technical Specification) 23.401, UE (User Equipment, User Equipment) has two When accessing the P-GW (Packet Data Network-Gateway) through the SGSN (Serving GPRS Support Node), the SGW is connected to the SGW (Serving Gateway). Then, access the P-GW through the S5 interface; or directly access the P-GW through the Gn/Gp interface. The P-GW interacts with the Policy and Charging Rules Function (PCRF) through the Gx interface to implement policy charging control.

The UE interacts with the P-GW and the PCRF by activating, modifying, or deactivating a PDP (Packet Data Protocol) context when initiating a resource request. When the UE initiates a PDP context activation or modification process, the TFT (Traffic Flow Template) can be associated with the PDP context, and the specific PF (Packet Filter) can be implemented by modifying the associated TFT (Packet Filter). Modify the operation. When the TFT is not carried in the PDP context, the associated TFT can be created in the context by creating a new TFT. The PDP context of the associated TFT can be deleted by the Delete Existing TFT operation. The associated TFT, the PDP context without the associated TFT is called the wildcard context.

In the prior art, when the UE initiates a secondary PDP context activation request, the secondary PDP context does not carry the TFT.

At least the following problems exist in the prior art: Since the UE does not carry the TFT when the secondary PDP context is created, the P-GW cannot perform the operation of the packet filter with the PCRF as the PCEF (Policy and Charging Enforcement Function). Therefore, the corresponding PCC cannot be obtained. The Policy and Charging Control rule, which causes the TFT to be loaded when the secondary PDP context is activated. Summary of the invention

An embodiment of the present invention provides a method, a device, and a system for processing a user resource request, which can solve the problem that the UE does not carry the TFT when the secondary PDP context is created, and the P-GW functions as a PCEF (Policy and Charging Enforcement Function). The operation of the packet filter is not performed properly with the PCRF. Therefore, the corresponding PCC (Policy and Charging Control) rule cannot be obtained. As a result, the operation of the TFT on the secondary PDP context cannot be completed.

The technical solution adopted by the embodiment of the present invention is:

A method for processing a user resource request includes:

The P-GW receives the first resource creation request sent by the SGSN;

The P-GW sends a first CCR (Cryptographic Control Request) to the PCRF, where the first CCR includes a wildcard filter, and the wildcard filter is based on the P Determining, by the GW, a wildcard filter, or determining, according to the wildcard filter constructed by the SGSN included in the first resource creation request;

The P-GW receives a first CCA (Cryptographic Control Response) from the PCRF, where the first CCA includes a first PCC rule corresponding to the information of the wildcard filter, The first PCC rule is installed. A method for processing a user resource request includes:

The SGSN receives the request for creating a secondary PDP context sent by the UE, and the request for creating the secondary PDP context does not carry the TFT; The SGSN constructs a wildcard message filter;

Sending, by the SGSN, a first resource creation request to the P-GW, where the first resource creation request includes the wildcard filter, so that the P-GW acquires, by the PCRF, the wildcard filter corresponding to the PCC rules. A processing device for requesting a user resource, comprising:

a first receiving module, configured to receive a first resource creation request sent by the SGSN;

a sending module, configured to send a first CCR (Credit Control Request) to the PCRF, where the first CCR includes a wildcard packet filter, and the wildcard packet filter is configured according to the

The wildcard filter configured by the P-GW determines, or is determined according to the wildcard filter constructed by the SGSN included in the first resource creation request;

a second receiving module, configured to receive a first CCA (Credit Control Answer) from the PCRF, where the first CCA includes the first information corresponding to the information of the wildcard filter

PCC rules, installing the first PCC rules. A processing device for requesting a user resource, comprising:

a first receiving module, configured to receive a second PDP context request sent by the UE, where the second PDP context request does not carry a TFT;

a construction module for constructing a wildcard message filter;

a sending module, configured to send a first resource creation request to the P-GW, where the first resource creation request includes the wildcard packet filter, so that the P-GW can obtain the wildcard packet filtering from the PCRF Corresponding PCC rules. A processing system for user resource requests, including user equipment UE, SGSN, P-GW, and PCRF,

The UE, configured to send a secondary PDP context activation request to the SGSN, where the secondary PDP is The following activation request does not carry the transport stream template TFT;

The SGSN is configured to send a first resource creation request to the P-GW;

The P-GW is configured to receive the first resource creation request, and send a first CCR (Cred it Cont ro l Request) to the PCRF, where the first CCR includes a wildcard a message filter, the wildcard filter is determined according to the wildcard filter configured by the P-GW, or according to the wildcard packet constructed by the SGSN included in the first resource creation request Filter determination;

The PCRF is configured to receive the first CCR, determine a first PCC rule corresponding to the wildcard packet filter, and send a first CCA (Cred it Cont ro l Answer) to the P-GW. The first CCC rule is included in the first CCA;

The P-GW is configured to install the first PCC rule. Compared with the prior art, the embodiment of the present invention can construct a wildcard message filter or a P-GW according to a secondary PDP context activation request when the UE initiates a secondary PDP context activation request and does not carry a TFT. The wildcard filter is configured, and the P-GW sends a wildcard filter to the PCRF to enable the P-GW to interact with the PCRF to obtain the PCC rule, so as to implement the operation of the TFT on the bearer when the PDP context is activated. DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the prior art description will be briefly described below. It is obvious that the drawings in the following description are only the present invention. For some embodiments, other drawings may be obtained from those of ordinary skill in the art without departing from the drawings.

FIG. 1 is a flowchart of a method for processing a user resource request according to Embodiment 1 of the present invention; FIG. 6 is a flowchart of a method for processing a user resource request according to Embodiment 2 of the present invention;

FIG. 7 is a flowchart of a method for processing a user resource request according to Embodiment 3 of the present invention;

FIG. 8 is a flowchart of a method for processing a user resource request according to Embodiment 4 of the present invention; FIG. 9 is a flowchart of a method for processing a user resource request according to Embodiment 5 of the present invention; FIG. 10 is a flowchart of a method for processing a user resource request according to Embodiment 6 of the present invention; FIG. 12 is a schematic structural diagram of a device for processing a user resource request according to Embodiment 8 of the present invention;

FIG. 14 is a schematic structural diagram of a device for processing a user resource request according to Embodiment 9 of the present invention; FIG. 15 is a schematic structural diagram of a system for processing a user resource request according to Embodiment 10 of the present invention. detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

In order to make the technical solutions of the present invention clearer, the present invention will be described in detail below with reference to the accompanying drawings and embodiments.

Embodiment 1

The embodiment provides a method for processing a user resource request. The P-GW or the SGSN constructs a wildcard packet filter for a secondary PDP context that does not carry a TFT, and activates the secondary PDP context, as shown in FIG. The method includes:

101. The P-GW receives the first resource creation request sent by the SGSN.

102. The P-GW sends a first CCR (Cryptographic Control Request) to the PCRF, where the first CCR includes a wildcard packet filter, and the wildcard packet filter is The wildcard filter configured by the P-GW is determined, or determined according to the wildcard filter constructed by the SGSN included in the first resource creation request.

103. The P-GW receives a first CCA (Cred It Cont ro l Answer) from the PCRF, where the first CCA includes a first PCC corresponding to the information of the wildcard filter. Rules, installing the first PCC rules. Compared with the prior art, the embodiment of the present invention can construct a wildcard message filter or a P-GW according to a secondary PDP context activation request when the UE initiates a secondary PDP context activation request and does not carry a TFT. The wildcard filter is configured, and the P-GW sends a wildcard filter to the PCRF to enable the P-GW to interact with the PCRF to obtain the PCC rule, so as to implement the operation of the TFT on the bearer when the PDP context is activated. Further, after the UE activates the PDP context, when the PDP context is modified to create a new TFT, as shown in FIG. 2, after the step 1300, the method provided in this embodiment further includes:

The P-GW receives the first resource modification request sent by the SGSN, where the first resource modification request includes a packet filter requested by the UE, and the TFT operation code corresponding to the packet filter requested by the UE To create a new TFT;

The P-GW sends a second CCR, where the second CCR includes a filter that is requested by the UE, and the PF operation code corresponding to the packet filter requested by the UE is increased.

The P-GW receives the second CCA, and the second CCA includes the second PCC rule corresponding to the text filter requested by the UE.

1 07. The P-GW installs the second PCC rule, and sets a state of the first PCC rule to be deactivated or temporarily deactivated.

1 08. The P-GW sends a third CCR to the PCRF, where the third CCR includes a state of the first PCC rule, so that the PCRF synchronously sets a state of the first PCC rule.

When the PCRF synchronizes the state of the first PCC rule, if the state of the first PCC rule included in the CCR is deactivated, the PCRF deletes the first PCC rule, and if it is temporarily deactivated, it does not delete, but only changes the state.

1 09. The P-GW receives the third CCA, deactivates or temporarily deactivates the first PCC rule. On the basis of the activation of the secondary context, the P-GW can further obtain the PCC rule corresponding to the packet filtering requested by the UE, and set the state of the PCC rule corresponding to the installed wildcard filter. Deactivated or temporarily deactivated, so that the TFT requested by the UE and the TFT in the bearer The state is consistent, and the processing of the filter between the PCRF and the P-GW is implemented. Further, after the UE creates a new TFT, the UE initiates a PDP context modification, and deletes the new TFT. When the state of the first PCC rule is deactivated, as shown in FIG. 3, in step 1 After the 09, the method provided in this embodiment further includes:

1 1 0. The P-GW receives the second resource modification request sent by the SGSN, and the TFT operation code included in the second resource modification request is a deletion TFT.

1 1 1. The P-GW sends a fourth CCR, where the fourth CCR includes the wildcard filter, and the PF operation code corresponding to the wildcard filter is increased.

1 12. The P-GW receives a fourth CCA, where the fourth CCA includes a third PCC rule corresponding to the wildcard filter.

1 1 3, the P-GW installs the third PCC rule.

1 14. The P-GW sends a fifth CCR to the PCRF, where the fifth CCR includes a state of the second PCC rule being deactivated, so that the PCRF deletes the second PCC rule.

1 15. The P-GW receives the fifth CCA, and deletes the second PCC rule.

It should be noted that although the third PCC rule is the PCC rule corresponding to the wildcard message filter, the two PCC rules may be the same PCC rule or different PCC rules.

Through the above steps, when the user requests to delete the TFT in the secondary PDP context, in the case that the PCC rule corresponding to the wildcard filter is deleted, the P-GW includes the method of including the wildcard filter in the CCR. The PCRF can delete the PCC rule corresponding to the existing TFT and add the wildcard PCC rule, so that the UE can request to delete the TFT while ensuring the processing of the packet filter between the PCRF and the P-GW. Further, after the UE creates a new TFT, the UE initiates a PDP context modification, and deletes the new TFT. When the state of the first PCC rule is temporarily deactivated, as shown in FIG. After 1 09, the method provided in this embodiment further includes: The P-GW receives the second resource modification request sent by the SGSN, and the TFT operation code included in the second resource modification request is a deletion TFT.

The P-GW sends a fourth CCR, where the fourth CCR includes the state of the first PCC rule being active, and the state of the second PCC rule being deactivated.

1 18. The P-GW receives the fourth CCA, activates the first PCC rule, and deletes the second PCC rule.

Through the above steps, when the UE requests to delete the TFT in the secondary PDP context, the P-GW can report two PCC rules to the PCRF in the case that the PCC rule state corresponding to the wildcard filter is temporarily deactivated. The state, the existing PCC rule is deleted and the wildcard PCC rule is activated, so that the processing of the PF between the PCRF and the P-GW is ensured while the UE is requested to delete the TFT. Further, after the UE creates a new TFT, the UE initiates a PDP context modification and creates a new TFT. As shown in FIG. 5, after the step 1300, the method provided in this embodiment further includes:

1 . The P-GW receives the first resource modification request sent by the SGSN, where the first resource modification request includes a packet filter requested by the UE, and a TFT operation code corresponding to the packet filter requested by the UE. To create a new TFT.

120. The P-GW sends a second CCR, where the second CCR includes a filter that is requested by the UE, and the wildcard filter, and the PF corresponding to the packet filter requested by the UE. The operation code is increased, and the PF operation code corresponding to the wildcard packet filter is deleted.

121. The P-GW receives the second CCA, and installs a second PCC rule corresponding to the packet filter requested by the UE, and deletes the first PCC rule.

The resource creation request and the resource modification request are bearer resource commands when the SGSN is an S4-SGSN, and the resource creation request is a context request when the SGSN is a Gn/Gp SGSN. The resource modification request is an update context request.

When a new TFT is modified after the activation of the secondary PDP context, the P-GW can separately add a different operation to the packet filter corresponding to the newly added TFT and the existing wildcard filter. The code, when the P-GW sends the CCR to the PCRF, carries the two operation codes, and the PCRF formulates and delivers a new PCC rule according to the content of the operation code, so that the UE is requested to increase the TFT while ensuring the PCRF.

Embodiment 2

This embodiment provides a method for processing a user resource request. The SGSN constructs a wildcard packet filter for a secondary PDP context that does not carry a TFT, and activates the secondary PDP context. As shown in FIG. 6, the method includes :

The SGSN receives the request for creating a secondary PDP context sent by the UE, and the request for creating the secondary PDP context does not carry the TFT.

202. The SGSN constructs a wildcard packet filter.

203. The SGSN sends a first resource creation request to the P-GW, where the first resource creation request includes the wildcard packet filter, so that the P-GW obtains the wildcard packet filter from the PCRF. Corresponding PCC rules.

Compared with the prior art, the embodiment of the present invention is capable of constructing a wildcard packet filter according to a secondary PDP context activation request when the UE initiates a secondary PDP context activation request and does not carry the TFT, and the P-GW sends the packet to the PCRF. The packet filter is configured to enable the P-GW to interact with the PCRF to obtain the PCC rule, so as to implement the operation of the TFT on the bearer when the PDP context is activated. Embodiment 3

This embodiment provides a method for processing a user resource request. The SGSN constructs a wildcard packet filter for the secondary PDP context, and activates the secondary PDP context. As shown in FIG. 7, the method includes: 301. Sending a secondary PDP context activation request to the SGSN, where the secondary PDP context activation is requested Please do not carry TFT.

302. The SGSN determines that the secondary PDP context activation request does not carry a TFT, and constructs a wildcard packet filter.

303. The SGSN sends a resource creation request to the P-GW.

It should be noted that the SGSN includes two types: an S4-SGSN and a Gn/Gp SGSN. When the SGSN is an S4-SGSN, the resource creation request is a bearer resource command; when the SGSN is a Gn/Gp SGSN. The resource creation request is to create a context request.

In addition, when the SGSN is an S4-SGSN, the resource creation request needs to be forwarded to the P-GW through the serving gateway.

304. The P-GW sends a CCR to the PCRF, where the CCR includes a wildcard filter.

305. The PCRF replies to the P-GW with a CCA, where the CCA includes a PCC rule corresponding to the wildcard filter.

306. The P-GW installs the PCC rule,

307. Send a bearer setup request.

308. Establish a bearer for the second PDP context activation request.

309. The SGSN replies to the UE with a context activation success message.

Compared with the prior art, when the UE initiates a secondary PDP context activation request and does not carry the TFT, the SGSN constructs a wildcard packet filter according to the secondary PDP context activation request, so that the P-GW can cooperate with the PCRF. The PCC rule can be obtained by normal interaction, thereby realizing the operation of the TFT on the bearer when the PDP context is activated. Embodiment 4

The embodiment provides a method for processing a user resource request, and the P-GW constructs a wildcard packet filter for the secondary PDP context to activate the secondary PDP context. As shown in FIG. 8, the method includes:

401. The UE sends a secondary PDP context activation request to the SGSN, where the secondary PDP context activation request does not carry the TFT. 402. The SGSN sends a resource creation request to the P-GW.

403. When the P-GW determines that the resource creation request does not carry a TFT, construct a wildcard packet.

.

404. The P-GW sends a CCR to the PCRF, where the CCR includes a wildcard filter.

405. The PCRF returns a CCA to the P-GW, where the CCA includes a PCC rule corresponding to the wildcard filter.

406. The P-GW installs the wildcard PCC rule delivered by the CCA.

407. Send a bearer setup request.

408. Establish a bearer for the second PDP context activation request.

409. The SGSN replies to the UE with a context activation success message.

Compared with the prior art, when the UE initiates a secondary PDP context activation request and does not carry the TFT, the P-GW constructs a wildcard packet filter according to the resource creation request, so that the P-GW can be normal with the PCRF. The PCC rules are obtained by interaction, thereby realizing the operation of the TFT on the bearer when the PDP context is activated. Embodiment 5

This embodiment provides a method for processing a user resource request, and the PDP context of the wildcard filter is modified to create a new TFT. As shown in FIG. 9, the method includes:

501. The UE sends a TFT operation code to the SGSN to create a PDP context modification request for the new TFT.

The TFT operation code to be created in the context modification request is Create New TFT, and the UE allocates an identifier ID to the packet filter in the TFT.

502. The SGSN sends a resource modification request to the P-GW. It should be noted that the SGSN includes two types: an S4-SGSN and a Gn/Gp SGSN. When the SGSN is an S4-SGSN, the resource modification request is a bearer resource command; when the SGSN is a Gn/Gp SGSN. The resource modification request is an update context request.

503. The P-GW sends a CCR request to the PCRF according to the resource modification request.

Specifically, the P-GW adds a corresponding packet filter to the TFT according to the TFT operation code Create New TFT of the newly created TFT included in the resource modification request, and the new operation code of the packet filter is increased. ADDITION, and the content of the filter and the operation code are sent to the PCRF by using the CCR request, where the identifier of the message filter is not included in the CCR request.

504. The PCRF creates a PCC rule corresponding to the newly added packet filter according to the newly added packet filter content included in the CCR request.

505. The PCRF sends a CCA to the P-GW, where the CCA includes a PCC rule corresponding to the newly added text filter.

506. The P-GW changes the PCC rule status corresponding to the installed wildcard filter to deactivate and delete the PCC rule, and installs the PCC rule delivered by the CCA.

Specifically, after receiving the PCC rule sent by the PCRF, the P-GW determines that the PCC rule corresponding to the wildcard packet filter has been installed, and the operation of the TFT carried in the received resource creation request message is received. The code is Create New TFT, and the P-GW sets the state of the PCC rule corresponding to the installed wildcard filter to be deactivated and deletes the PCC rule corresponding to the wildcard filter; Optionally, the state of the PCC rule corresponding to the wildcard packet filter may also be set to be temporarily deactivated. When the state of the PCC rule is temporarily deactivated, the PCC rule does not participate in data packet matching.

507. The P-GW sends a CCR message to the PCRF, indicating that the status of the PCC rule corresponding to the wildcard message filter is deactivated.

Optionally, when the status of the PCC rule corresponding to the wildcard packet filter is also temporarily deactivated Live.

508. The PCRF deletion status is a PCC rule corresponding to the deactivated wildcard packet filter. Optionally, when the status of the PCC rule corresponding to the wildcard filter is temporarily deactivated, the PCC rule is retained and the PCC rule state is set to be temporarily deactivated.

509. The PCRF sends a CCA message to the P-GW.

51 0. The P-GW sends a bearer update request, and interacts with the SGSN to complete the modification of the PDP context.

51 1. The SGSN sends a context modification success message to the UE.

Compared with the prior art, on the basis of the activation of the secondary context, the P-GW can further obtain the PCC rule corresponding to the packet filtering requested by the UE, and the installed wildcard filter is installed. The state of the corresponding PCC rule is deactivated or temporarily deactivated and reported to the PCRF, so that the TFT requested by the UE is consistent with the state of the TFT in the bearer, and the packet filter between the PCRF and the P-GW is processed, PCRF The PCC rules in the P-GW can be synchronized. Embodiment 6

The embodiment provides a method for processing a user resource request, and the PDP file created by the new TFT is modified to delete the existing TFT. As shown in FIG. 10, the method includes:

601. The UE sends a TFT operation code to the SGSN to delete the PDP context modification request of the existing TFT. The operation code of the existing TFT to be deleted in the context modification request is Delete Existing

TFT.

602. The SGSN sends a resource modification request to the P-GW.

It should be noted that the SGSN includes two types: an S4-SGSN and a Gn/Gp SGSN. When the SGSN is an S4-SGSN, the resource modification request is a bearer resource command; when the SGSN is a Gn/Gp SGSN. The resource modification request is an update context request.

In addition, when the SGSN is an S4-SGSN, the resource creation request needs to be forwarded to the P-GW through the serving gateway. 603. The P-GW sends a CCR request to the PCRF according to the resource modification request.

Specifically, the P-GW constructs a wildcard filter according to the TFT operation code Delete Existing TFT of the TFT to be deleted included in the resource modification request, and the PF operation code is ADDITION, and the wildcard is used. The message filter content and the operation code are sent to the PCRF by using the CCR request, where the CCR request does not include the identifier ID of the message filter.

It should be noted that, if the state of the wildcard PCC rule is set to deactivate in the creation process of the fourth embodiment, the P-GW needs to reconfigure the wildcard packet filter in this embodiment; In the embodiment, the P-GW only needs to set the PCC rule of the temporarily deactivated wildcard filter to be activated, and report the PCRF.

604. The PCRF creates a wildcard PCC rule corresponding to the newly added packet filter according to the newly added packet filter content included in the CCR request.

It should be noted that, if the state of the wildcard PCC rule is set to deactivate in the creation process of the fifth embodiment, the PCRF in this embodiment needs to re-determine the PCC rule corresponding to the newly constructed wildcard packet filter; In the creation process of the fifth example, the state of the wildcard PCC rule is set to be temporarily deactivated. In this embodiment, the PCRF only needs to set the PCC rule of the temporarily deactivated wildcard filter to be activated.

It should be noted that the created wildcard PCC rule is not necessarily the same as the wildcard PCC rule in the fourth embodiment. When the state of the wildcard PCC rule is set to temporary deactivation in the creation process of the fifth embodiment, The same is the same wildcard PCC rule; when the state of the wildcard PCC rule is set to deactivate in the creation process of the fifth embodiment, the two are different wildcard PCC rules.

605. The PCRF sends a CCA to the P-GW, where the CCA includes a wildcard PCC rule corresponding to the newly added text filter.

606. The P-GW changes the PCC rule status corresponding to the packet filter of the TFT to be deleted to deactivate and delete the PCC rule, and installs the wildcard PCC rule delivered by the CCA.

When the state of the wildcard PCC rule is set to temporary deactivation in the creation process of the fifth embodiment, the P-GW only needs to activate the deactivated wildcard PCC rule.

Specifically, when the P-GW receives the PCC rule delivered by the PCRF as a wildcard PCC rule, After the operation code of the TFT carried in the received resource creation request message is a Delete Existing TFT, the P-GW changes the PCC rule status corresponding to the packet filter of the TFT to be deleted to deactivate and delete the PCC rules.

607. The P-GW sends a CCR message to the PCRF, indicating that the state of the PCC rule corresponding to the packet filter of the TFT to be deleted is deactivated.

Optionally, the state of the PCC rule corresponding to the packet filter of the TFT may also be temporarily deactivated.

608. The PCRF deletion status is a PCC rule corresponding to the packet filter of the TFT that is deactivated.

Optionally, when the status of the PCC rule corresponding to the wildcard filter is temporarily deactivated, the PCC rule does not participate in data packet matching.

609. The PCRF sends a CCA message to the P-GW.

61 0. The P-GW sends a bearer update request, and interacts with the SGSN to complete the modification of the PDP context.

61. The SGSN sends a context modification success message to the UE.

Compared with the prior art, when the user-requested TFT added in the activated secondary PDP context is deleted, when the PCC rule corresponding to the wildcard filter is deleted, P- The GW includes the wildcard packet filter in the CCR, so that the PCRF deletes the PCC rule corresponding to the existing TFT, and determines the wildcard PCC rule corresponding to the wildcard packet filter, and the P-GW also deletes the existing TFT. The corresponding PCC rule is used to install the wildcard PCC rule. In the case that the PCC rule corresponding to the wildcard filter is not deleted but is temporarily deactivated, the P-GW can report the status of the two PCC rules to the PCRF. The existing PCC rules and the wildcard PCC rules are enabled, thereby realizing the synchronization of the PCC rules between the network elements, and ensuring the processing of the filter between the PCRF and the P-GW. Example 7

In the fifth embodiment, the UE initiates a modification to the PDP context, adding the PDP context. One or more new Packet Filters, however, because the P-GW can only carry one opcode of the TFT in a CCR request on the Gx reference point, the wildcard Packet Filter cannot be deleted and other Packet Filters are added.

The embodiment provides a method for processing a user resource request, and the PDP context of the wildcard filter is modified to create a new TFT. As shown in FIG.

701. The user equipment sends a TFT operation code to the SGSN to create a PDP context modification request for the new TFT.

The operation code of the TFT to be created in the context modification request is Create New TFT, and the UE allocates an identifier ID to the packet filter in the TFT.

702. The SGSN sends a resource modification request to the P-GW.

703. The P-GW sends a CCR to the PCRF.

When the P-GW detects that the TFT operation code of the TFT to be created in the resource creation request message is Create New TFT, and the PDP context is installed with a PCC rule corresponding to the wildcard filter, The P-GW sends a CCR to the PCRF, where the CCR includes the content of the wildcard filter and the message filter content of the TFT to be created, and the PF operation code corresponding to the wildcard filter is DELETI ON, the PF operation code corresponding to the message filter of the TFT to be created is ADDI TI 0N.

Optionally, when the P-GW detects that the TFT operation code of the TFT to be deleted in the resource creation request message is a Delete Existing TFT, and the PDP context installs the message filter of the TFT to be deleted. In the corresponding PCC rule, the P-GW sends a CCR to the PCRF, where the CCR includes the content of the newly created wildcard packet filter and the packet filter content of the TFT to be deleted, the wildcard packet The PF operation code corresponding to the filter is ADDI TION, and the PF operation code corresponding to the message filter of the TFT to be deleted is DELETION.

704. The PCRF deletes the general PCC rule according to the two sets of the filter and the operation code in the CCR, and specifies a PCC rule corresponding to the newly added TFT.

The PCRF deletes the wildcard packet filter according to the PF operation code DELETION corresponding to the wildcard packet filter, and creates the PF operation code ADDITI ON corresponding to the packet filter of the TFT to be created. The TFT's message filter formulates PCC rules.

Optionally, when the TFT deletion TFT is created in the activated PDP context, the PCRF deletes the packet filter of the TFT to be deleted according to the PF operation code DELETION corresponding to the packet filter of the TFT to be deleted. And formulating a PCC rule for the wildcard filter according to the PF operation code ADDITION corresponding to the packet filter of the wildcard TFT.

705. The PCRF sends a CCA to the P-GW, where the CCA includes a PCC rule corresponding to the packet filter of the created TFT.

706. The P-GW deletes the PCC rule corresponding to the wildcard packet filter, and installs a PCC rule corresponding to the packet filter of the created TFT.

Optionally, when the TFT is deleted in the activated PDP context, the P-GW deletes the PCC rule corresponding to the packet filter of the TFT to be deleted, and installs the created wild packet filter. Corresponding PCC rules.

707. The P-GW sends a bearer update request, and interacts with the SGSN to complete the modification of the PDP context.

708. The S4 node sends a context modification success message to the UE.

Compared with the prior art, the embodiment of the present invention modifies the activated PDP context. When a TFT is added, the P-GW can separately add different operation codes to the two sets of packet filters, so that the P-GW sends the PCR code to the PCRF. When the CCR is sent, the two operation codes are carried at the same time, and the PCRF formulates and delivers a new PCC rule according to the content of the operation code, thereby realizing the state synchronization of the message filter in the TFT in each network element. Example eight

The embodiment provides a processing device for requesting a user resource. As shown in FIG. 12, the device shown includes:

The first receiving module 81 is configured to receive a first resource creation request sent by the SGSN.

The sending module 82 is configured to send a first credit control request CCR to the PCRF, where the first CCR includes a wildcard filter, and the wildcard filter filters the wildcard according to the P-GW. Determined, or determined according to the wildcard filter constructed by the SGSN included in the first resource creation request;

a second receiving module 83, configured to receive a first credit control response CCA from the PCRF, where the first CCA includes a first PCC rule corresponding to the information of the wildcard filter, and the first PCC is installed. rule.

Compared with the prior art, the embodiment of the present invention can construct a wildcard message filter or a P-GW according to a secondary PDP context activation request when the UE initiates a secondary PDP context activation request and does not carry a TFT. A wildcard filter is constructed, and the P-GW sends a wildcard filter to the PCRF, so that the P-GW can normally interact with the PCRF to obtain a PCC rule, thereby ensuring activation of the secondary PDP context.

Further, the first receiving module 81 is further configured to receive a first resource modification request sent by the SGSN, where the first resource modification request includes a packet filter requested by the UE, and the packet requested by the UE is filtered. The corresponding TFT opcode is to create a new TFT;

The sending module 82 is further configured to send a second CCR, where the second CCR includes a packet filter that is requested by the UE, and the PF operation code corresponding to the packet filter requested by the UE is increased.

The second receiving module 83 is further configured to receive a second CCA, where the second CCA includes a second PCC rule corresponding to the packet filter requested by the UE;

As shown in FIG. 13, the device further includes:

The processing module 84 is configured to install the second PCC rule, and set a state of the first PCC rule to be deactivated or temporarily deactivated;

The sending module 82 is further configured to send a third CCR to the PCRF, where the third CCR includes Determining a state of the first PCC rule, so that the PCRF synchronously sets a state of the first PCC rule; the second receiving module 83 is further configured to receive a third CCA, deactivate or temporarily deactivate the first PCC rule.

Compared with the prior art, on the basis of the activation of the secondary context, the P-GW can further obtain the PCC rule corresponding to the packet filtering requested by the UE, and the installed wildcard filter is installed. The state of the corresponding PCC rule is set to deactivate or temporarily deactivate and report to the PCRF, so that the PCC rules in the PCRF and the P-GW can be synchronized.

Further, when the state of the first PCC rule is deactivated,

The first receiving module 81 is further configured to receive a second resource modification request sent by the SGSN, where the TFT operation code included in the second resource modification request is a deleted TFT;

The sending module 82 is further configured to send a fourth CCR, where the fourth CCR includes the wildcard filter, and the PF operation code corresponding to the wildcard filter is increased.

The second receiving module 83 is further configured to receive a fourth CCA, where the fourth CCA includes a third PCC rule corresponding to the wildcard packet filter;

It should be noted that although the third PCC rule is the same as the first PCC rule, it may be the same wildcard PCC rule, or may be a different wildcard PCC rule.

The processing module 84 is further configured to install the third PCC rule;

The sending module 82 is further configured to send a fifth CCR to the PCRF, where the fifth CCR includes a state of the second PCC rule being deactivated, so that the PCRF deletes the second PCC rule;

The second receiving module 83 is further configured to receive a fifth CCA, and delete the second PCC rule. Compared with the prior art, when deleting the TFT of the user request added in the activated secondary PDP context, if the PCC rule corresponding to the wildcard filter is deleted, the P-GW adds a pass in the CCR. With the packet filter, the PCRF deletes the PCC rules corresponding to the existing TFTs, and determines the wildcard PCC rules corresponding to the wildcard filter. The P-GW also deletes the PCC rules corresponding to the existing TFTs. With PCC rules, the synchronization of PCC rules between network elements is achieved.

Further, when the state of the first PCC rule is temporary deactivation, The first receiving module 8 1 is further configured to receive a second resource modification request sent by the SGSN, where the TFT operation code included in the second resource modification request is a deletion TFT;

The sending module 82 is further configured to use a fourth CCR, where the status of the first PCC rule is activated, and the status of the second PCC rule is deactivated;

The second receiving module 8 3 is further configured to receive a fourth CCA;

The processing module 84 is further configured to activate the first PCC rule, and delete the second PCC rule. Compared with the prior art, when the user-requested TFT added in the activated secondary PDP context is deleted, if the PCC rule corresponding to the wildcard filter is not deleted but temporarily deactivated, the P-GW The status of the PCC rules between the network elements can be synchronized by reporting the status of the two PCC rules to the PCRF, deleting the existing PCC rules, and enabling the wildcard PCC rules.

The sending module 82 is further configured to send a second CCR, where the second CCR includes a packet filter requested by the UE and the wildcard packet filter, where the packet filter requested by the UE corresponds The PF operation code is increased, and the PF operation code corresponding to the wildcard>3⁄4 text filter is deleted;

The second receiving module 8 3 is further configured to receive a second CCA;

The processing module 84 is further configured to install a second PCC rule corresponding to the message filter requested by the UE, and delete the first PCC rule.

When the SGSN is the S4-SGSN, the resource creation request and the resource modification request are the bearer resource command. When the SGSN is the Gn/Gp SGSN, the resource creation request is a create context request, and the resource is Modify the request to update the context request.

Compared with the prior art, the PDP context is modified after the activation, and when a TFT is added, the P-GW can separately add one for the packet filter corresponding to the newly added TFT and the existing wildcard filter. The different operation codes are used to enable the P-GW to send the CCR to the PCRF, and the two operation codes are carried by the PCRF. The PCRF formulates and delivers a new PCC rule according to the content of the operation code, thereby implementing the The status of the message filter in the TFT is synchronized. Example nine

The embodiment provides a processing device for requesting a user resource. As shown in FIG. 14, the device shown includes:

The first receiving module 91 is configured to receive a request for creating a secondary PDP context sent by the UE, where the request for creating a secondary PDP context does not carry a TFT;

a construction module 92, configured to construct a wild message filter;

The sending module 93 is configured to send a first resource creation request to the P-GW, where the first resource creation request includes the wildcard packet filter, so that the P-GW can obtain the wildcard packet from the PCRF. The corresponding PCC rule for the filter.

The SGSN is an S4-SGSN, and the resource creation request and the resource modification request are bearer resource commands; the SGSN is a Gn/Gp SGSN, and the resource creation request is a create context request, and the resource modification request is To update the context request.

Compared with the prior art, the embodiment of the present invention is capable of constructing a wildcard packet filter according to a secondary PDP context activation request when the UE initiates a secondary PDP context activation request and does not carry the TFT, and the P-GW sends the packet to the PCRF. The packet filter is configured to enable the P-GW to interact with the PCRF to obtain PCC rules, thereby ensuring activation of the secondary PDP context. Example ten

This embodiment provides a processing system for a user resource request. As shown in FIG. 15, the user equipments UE1001, SGSN1002, P-GW1003, and PCRF1004 are included, where:

The UE 1001 is configured to send a secondary PDP context activation request to the SGSN 1002, where the secondary PDP context activation request does not carry the transport stream template TFT;

The SGSN 1002 is configured to send a first resource creation request to the P-GW 1003.

The P-GW 1003 is configured to receive the first resource creation request, and send the request to the PCRF 1004. a first credit control request CCR, where the first CCR includes a wildcard filter, the wildcard filter is determined according to the wildcard filter constructed by the P-GW, or according to the Determining, by the SGSN, a wildcard message filter included in the first resource creation request;

The PCRF 1004 is configured to receive the first credit control request CCR, determine a first PCC rule corresponding to the wildcard filter, and send a first credit control response CCA to the P-GW 1003, where the The first PCC rule is included in a CC A;

The P-GW 1003 is configured to install the first PCC rule.

Compared with the prior art, when the UE 1001 initiates a secondary PDP context activation request and does not carry a TFT, the SGSN 1002 constructs a wildcard packet filter or a P-GW 1003 according to a resource creation request according to the secondary PDP context activation request. A wildcard filter is constructed, and the P-GW sends a wildcard filter to the PCRF 1004, so that the P-GW 1003 can normally interact with the PCRF 1004 to obtain a PCC rule, thereby ensuring activation of the secondary PDP context.

Further, when the UE 1001 initiates a context modification, when a TFT is added,

The UE 1001 is configured to send, to the SGSN 1002, a PDP context modification request for creating a new TFT by using a TFT operation code;

The SGSN 1002 is configured to send a first resource modification request to the P-GW 1003, where the first resource modification request includes a packet filter requested by the UE 1001, and a TFT operation corresponding to the packet filter requested by the UE 1001 The code is to create a new TFT.

The P-GW 1003 is configured to receive the first resource modification request, and send a second credit control request CCR, where the second CCR includes a packet filter requested by the UE 1001, and the packet filter requested by the UE 1001 The corresponding PF operation code is increased;

The PCRF 1004 is configured to receive the second CCR, determine a second PCC rule corresponding to the message filter requested by the UE 1001, and include the second PCC rule in the second credit control response CC A Said P-GW1003;

The P-GW 1003, configured to receive the second CCA, install the second PCC rule, set a state of the first PCC rule of its own to deactivate or temporarily deactivate, and use the first PCC rule The status is sent to the PCRF 1004 in the third credit control request CCR;

The PCRF 1004 is configured to receive the third CCR, and set a state of the first PCC rule according to the state of the first PCC rule included in the CCR, and return a third state to the P-GW 1003. Credit control responds to CCA,

The P-GW 1003 is configured to receive the third CCA, deactivate or temporarily deactivate the first PCC rule.

Compared with the prior art, on the basis of the activation of the secondary context, through the above steps, the P-GW 1003 can further obtain the PCC rule corresponding to the packet filtering requested by the UE 1001, and the installed wildcard filter. The state of the corresponding PCC rule is set to be deactivated or temporarily deactivated and reported to the PCRF 1004 so that the PCC rules in the PCRF 1004 and the P-GW 1003 can be synchronized. Further, when the UE 1001 initiates a context modification and deletes the newly added TFT,

The UE 1001 is configured to send a TFT operation code to the SGSN 1002 to delete a PDP context modification request of an existing TFT.

The SGSN 1002 is configured to send a second resource modification request to the P-GW 1003, where the TFT operation code included in the second resource modification request is a deletion TFT;

The P-GW 1003 is configured to receive the second resource modification request, and send a fourth credit control request CCR, where the fourth CCR includes the wildcard filter, and the wildcard filter corresponds to The PF operation code is increased;

The PCRF 1004 is configured to receive the fourth CCR, determine a third PCC rule corresponding to the wildcard filter, and include the third PCC rule in a fourth credit control response CCA, and send the P-GW1003;

The P-GW 1003 is configured to receive the fourth CCA, install the third PCC rule, and set a state of the second PCC rule of its own to deactivate, and include a state of the second PCC rule. Sending to the PCRF 1004 in the fifth credit control request CCR;

The PCRF 1004, configured to receive the fifth CCR, according to the second included in the CCR The state of the PCC rule deletes the second PCC rule of itself, and returns a fifth credit control response CCA to the P-GW 1003;

The P-GW 1003 is configured to delete the second PCC rule.

Compared with the prior art, when the TFT of the user request is added in the activated secondary PDP context, when the PCC rule corresponding to the wildcard filter is deleted, the P-GW 1003 adds a pass in the CCR. With the packet filter, the PCRF1004 deletes the PCC rules corresponding to the existing TFTs, and determines the wildcard PCC rules corresponding to the wildcard filter. The P-GW1003 also deletes the PCC rules corresponding to the existing TFTs. With PCC rules, the synchronization of PCC rules between network elements is achieved. Further, when the UE 1001 initiates a context modification and deletes the newly added TFT,

The P-GW 1003 is configured to receive the second resource modification request, and send a fourth credit control request CCR, where the fourth CCR includes a state in which the first PCC rule is activated, and a state of the second PCC rule To deactivate;

The PCRF 1004, configured to receive the fourth CCR, activate the first PCC rule, delete the second PCC rule, and send a fourth credit control response CCA to the P-GW 1003;

The P-GW 1003 is configured to receive the fourth CCA, activate the first PCC rule, and delete the second PCC rule.

Compared with the prior art, when deleting the TFT requested by the user in the activated secondary PDP context, the PCC rule corresponding to the wildcard filter is not deleted but temporarily deactivated, P-GW1003 The status of the PCC rules between the network elements can be synchronized by reporting the status of the two PCC rules to the PCRF 1004, deleting the existing PCC rules, and enabling the wildcard PCC rules. Further, when the UE 1001 initiates a context modification, when a TFT is added,

The UE 1001 is configured to send, to the SGSN 1002, a TFT operation code to create a PDP context modification request for a new TFT.

The P-GW 1003 is configured to receive the first resource modification request, and send a second credit control request CCR, where the second CCR includes the text filter requested by the UE 1001 and an existing wildcard filter The PF operation code corresponding to the packet filter requested by the UE 1001 is increased, and the PF operation code corresponding to the wildcard filter is deleted.

The PCRF 1004 is configured to receive the second CCR, determine that the PF operation code is the second PCC rule corresponding to the added filter, and delete the first PCC rule corresponding to the deleted packet filter. The second PCC rule is included in the second credit control response CCA and sent to the P-GW 1003. The P-GW 1003 is configured to receive the second CCA, install the second PCC rule, and delete the The first PCC rule. Compared with the prior art, the PDP context is modified after the activation. When a TFT is added, the P-GW can separately add a packet filter corresponding to the newly added TFT and an existing wildcard filter. The different operation codes are used to enable the P-GW to send the CCR to the PCRF, and the two operation codes are carried by the PCRF. The PCRF formulates and delivers a new PCC rule according to the content of the operation code, so that the packets in the TFTs in each network element are sent. The status of the filter is synchronized.

The SGSN 1002 is an S4-SGSN, and the resource creation request and the resource modification request are bearer resource commands; the SGSN 1002 is a Gn/Gp SGSN, and the resource creation request is a create context request, and the resource modification request is To update the context request.

Compared with the prior art, the PDP context is modified after the activation, and when a TFT is added, the P-GW can separately add one for the packet filter corresponding to the newly added TFT and the existing wildcard filter. The different operation codes are used to enable the P-GW to send the CCR to the PCRF, and the two operation codes are carried by the PCRF. The PCRF formulates and delivers a new PCC rule according to the content of the operation code, thereby implementing the The status of the message filter in the TFT is synchronized.

The device and the system for processing the user resource request provided by the embodiment of the present invention may implement the foregoing method embodiments. For the specific function implementation, refer to the description in the method embodiment, and details are not described herein. The method, device, and system for processing user resource requests provided by the embodiments of the present invention may be applicable to the creation and modification of a PDP context in a bearer control mode, but are not limited thereto.

A person skilled in the art can understand that all or part of the process of implementing the above embodiment method can be completed by a computer program to instruct related hardware, and the program can be stored in a computer readable storage medium. In execution, the flow of an embodiment of the methods as described above may be included. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

The above is only the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any change or replacement that can be easily conceived by those skilled in the art within the technical scope of the present invention is All should be covered by the scope of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

Claim

A method for processing a user resource request, comprising:

The packet data network gateway P-GW receives the first resource creation request sent by the serving general packet radio service support node SGSN;

The P-GW sends a first credit control request CCR to the policy and charging rule function PCRF, where the first CCR includes a wildcard filter, and the wildcard filter is configured according to the P-GW. Determining, by the wildcard filter, or according to the wildcard filter constructed by the SGSN included in the first resource creation request;

Receiving, by the P-GW, a first credit control response CCA from the PCRF, where the first CCA includes a first policy and a charging control PCC rule corresponding to the information of the wildcard filter, A PCC rule.

2. The method according to claim 1, further comprising:

The P-GW receives the first resource modification request sent by the SGSN, where the first resource modification request includes a packet filter requested by the user equipment UE, and the service flow template TFT corresponding to the packet filter requested by the UE The opcode is to create a new TFT;

The P-GW sends a second CCR, where the second CCR includes a text filter requested by the UE, and the PF operation code corresponding to the message filter requested by the UE is increased.

Receiving, by the P-GW, a second CCA, where the second CCA includes a second PCC rule corresponding to the text filter requested by the UE;

The P-GW installs the second PCC rule, and sets a state of the first PCC rule to deactivate or temporarily deactivate;

The P-GW sends a third CCR to the PCRF, where the third CCR includes a state of the first PCC rule, so that the PCRF synchronously sets a state of the first PCC rule;

The P-GW receives the third CCA, deactivates or temporarily deactivates the first PCC rule.

The method according to claim 2, wherein when the state of the first PCC rule is deactivated, the method further includes: The P-GW receives the second resource modification request sent by the SGSN, and the TFT operation code included in the second resource modification request is a deletion TFT;

The P-GW sends a fourth CCR, where the fourth CCR includes the wildcard filter, and the PF operation code corresponding to the wildcard filter is increased.

The P-GW receives a fourth CCA, where the fourth CCA includes a third PCC rule corresponding to the wildcard filter;

The P-GW installs the third PCC rule;

The P-GW sends a fifth CCR to the PCRF, where the fifth CCR includes the state of the second PCC rule being deactivated, so that the PCRF deletes the second PCC rule;

The P-GW receives the fifth CCA and deletes the second PCC rule.

The method according to claim 2, wherein when the state of the first PCC rule is temporarily deactivated, the method further includes:

The P-GW receives the second resource modification request sent by the SGSN, and the TFT operation code included in the second resource modification request is a deletion TFT;

The P-GW sends a fourth CCR, where the status of the first PCC rule is activated, and the status of the second PCC rule is deactivated.

The P-GW receives the fourth CCA, activates the first PCC rule, and deletes the second PCC rule.

5. The method according to claim 1, further comprising:

Receiving, by the P-GW, a first resource modification request sent by the SGSN, where the first resource modification request includes a packet filter requested by the UE, and the TFT operation code corresponding to the packet filter requested by the UE is to create a new TFT;

The P-GW sends a second CCR, where the second CCR includes the UE-requested filter and the wildcard filter, and the PF operation code corresponding to the packet filter requested by the UE The PF operation code corresponding to the wildcard packet filter is deleted.

The P-GW receives the second CCA, and installs a second PCC rule corresponding to the packet filter requested by the UE, and deletes the first PCC rule.

The method according to any one of claims 1 to 5, wherein the SGSN is an S4-SGSN, and the resource creation request and the resource modification request are bearer resource commands.

The method according to any one of claims 1 to 5, wherein the SGSN is a Gn/Gp SGSN, the resource creation request is a create context request, and the resource modification request is an update context request. .

8. A method for processing a user resource request, comprising:

The serving general packet radio service support node SGSN receives the create secondary packet data protocol PDP context request sent by the user equipment UE, and the creating secondary PDP context request does not carry the service flow template TFT; the SGSN constructs a wildcard packet filter;

Sending, by the SGSN, a first resource creation request to the packet data network gateway P-GW, where the first resource creation request includes the wildcard packet filter, so that the P-GW obtains the policy and charging rule function PCRF The policy and charging control PCC rules corresponding to the wildcard message filter.

The method according to claim 8, wherein the SGSN is an S4-SGSN, and the resource creation request is a bearer resource command.

The method according to claim 8, wherein the SGSN is a Gn/Gp SGSN, and the resource creation request is a create context request.

A device for processing a user resource request, comprising:

a first receiving module, configured to receive a first resource creation request sent by the serving general packet radio service support node SGSN;

a sending module, configured to send a first credit control request CCR to the policy and charging rule function PCRF, where the first CCR includes a wildcard packet filter, and the wildcard packet filter is configured according to the P-GW Determining, by the wildcard filter, or according to the wildcard filter constructed by the SGSN included in the first resource creation request; a second receiving module, configured to receive a first credit control response CCA from the PCRF, where the first CCA includes a first policy and a charging control PCC rule corresponding to the information of the wildcard filter, The first PCC rule is described.

2. Apparatus according to claim 1 1 , wherein

The first receiving module is further configured to receive a first resource modification request that is sent by the SGSN, where the first resource modification request includes a packet filter that is requested by the user equipment, and the packet filter that is requested by the UE corresponds to The service flow template TFT operation code is to create a new TFT;

The sending module is further configured to send a second CCR, where the second CCR includes a packet filter that is requested by the UE, and the PF operation code corresponding to the packet filter requested by the UE is increased.

The second receiving module is further configured to receive a second CCA, where the second CCA includes a second PCC rule corresponding to the packet filter requested by the UE;

The device also includes:

a processing module, configured to install the second PCC rule, and set a state of the first PCC rule to be deactivated or temporarily deactivated;

The sending module is further configured to send a third CCR to the PCRF, where the third CCR includes a state of the first PCC rule, so that the PCRF synchronously sets a state of the first PCC rule;

The second receiving module is further configured to receive a third CCA, deactivate or temporarily deactivate the first PCC rule.

The device according to claim 12, wherein when the state of the first PCC rule is deactivated,

The first receiving module is further configured to receive a second resource modification request sent by the SGSN, where the TFT operation code included in the second resource modification request is a deleted TFT;

The sending module is further configured to send a fourth CCR, where the fourth CCR includes the wildcard filter, and the PF operation code corresponding to the wildcard filter is increased.

The second receiving module is further configured to receive a fourth CCA, where the fourth CCA includes a third PCC rule corresponding to the wildcard packet filter; The processing module is further configured to install the third PCC rule;

The sending module is further configured to send a fifth CCR to the PCRF, where the fifth CCR includes a state of the second PCC rule being deactivated, so that the PCRF deletes the second PCC rule;

The second receiving module is further configured to receive a fifth CCA, and delete the second PCC rule.

14. The apparatus according to claim 12, wherein when the state of the first PCC rule is temporarily deactivated,

The sending module is further configured to use a fourth CCR, where the fourth CCR includes a state in which the first PCC rule is activated, and a state in the second PCC rule is deactivated;

The second receiving module is further configured to receive a fourth CCA;

The processing module is further configured to activate the first PCC rule, and delete the second PCC rule.

15. Apparatus according to claim 1 1 , wherein

The first receiving module is further configured to receive a first resource modification request sent by the SGSN, where the first resource modification request includes a packet filter requested by the UE, and the TFT corresponding to the packet filter requested by the UE The opcode is to create a new TFT;

The sending module is further configured to send a second CCR, where the second CCR includes a packet filter that is requested by the UE, and the wildcard packet filter, and the PF corresponding to the packet filter requested by the UE The operation code is increased, and the PF operation code corresponding to the wildcard packet filter is deleted.

The second receiving module is further configured to receive a second CCA;

The processing module is further configured to install a second PCC rule corresponding to the message filter requested by the UE, and delete the first PCC rule.

The device according to any one of claims 1 to 15, wherein the SGSN is an S4-SGSN, and the resource creation request and the resource modification request are bearer resource commands.

The device according to any one of claims 1 to 15, wherein the SGSN is a Gn/Gp SGSN, and the resource creation request is a create context request, and the resource modification request is To update the context request.

A device for processing a user resource request, comprising:

a first receiving module, configured to receive a PDP context request sent by the user equipment UE, where the second PDP context request does not carry the service flow template TFT;

a construction module for constructing a wildcard message filter;

a sending module, configured to send a first resource creation request to the packet data network gateway P-GW, where the first resource creation request includes the wildcard packet filter, so that the P-GW can obtain a policy and charging rule The function PCRF acquires a policy and charging control PCC rule corresponding to the wildcard message filter.

The device according to claim 18, wherein the SGSN is an S4-SGSN, and the resource creation request is a bearer resource command.

20. The apparatus according to claim 8, wherein the SGSN is a Gn/Gp SGSN, and the resource creation request is a create context request.

A processing system for requesting a user resource, comprising:

User equipment UE, service general packet radio service support node SGSN, packet data network gateway P-GW, and policy and charging rule function PCRF;

The UE is configured to send a secondary packet data protocol PDP context activation request to the SGSN, where the secondary PDP context activation request does not carry a transport stream template TFT;

The SGSN is configured to send a first resource creation request to the P-GW;

The P-GW is configured to receive the first resource creation request, and send a first credit control request CCR to the PCRF, where the first CCR includes a wildcard packet filter, and the wildcard report The text filter is determined according to the wildcard filter configured by the P-GW, or determined according to the wildcard filter constructed by the SGSN included in the first resource creation request;

The PCRF is configured to receive the first credit control request CCR, and determine the wildcard packet filter Corresponding the first PCC rule, sending a first credit control response CCA to the P-GW, where the first CCA includes the first PCC rule;

The P-GW is configured to install the first PCC rule.

22. The processing system of claim 21, wherein

The UE, configured to send a TFT operation code to the SGSN to create a PDP context modification request for a new TFT;

The SGSN is configured to send a first resource modification request to the P-GW, where the first resource modification request includes a packet filter requested by the UE, and the TFT operation corresponding to the packet filter requested by the UE The code is to create a new TFT.

The P-GW is configured to receive the first resource modification request, and send a second CCR, where the second CCR includes a packet filter requested by the UE, and the PF corresponding to the packet filter requested by the UE The opcode is increased;

The PCRF is configured to receive the second CCR, determine a second PCC rule corresponding to the message filter requested by the UE, and include the second PCC rule in the second CCA, and send the PSC to the P-GW. ;

The P-GW is configured to receive the second CCA, install the second PCC rule, set a state of the first PCC rule of its own to deactivate or temporarily deactivate, and use the first PCC rule The status is included in the third CCR and sent to the PCRF;

The PCRF is configured to receive the third CCR, and set a state of the first PCC rule according to the state of the first PCC rule included in the CCR, and return a third state to the P-GW. The C-C is configured to receive the third CCA, deactivate or temporarily deactivate the first PCC rule.

23. The processing system of claim 22, wherein:

The UE, configured to send a TFT operation code to the SGSN to delete a PDP context modification request of an existing TFT;

The SGSN is configured to send a second resource modification request to the P-GW, where the TFT operation code included in the second resource modification request is a deletion TFT;

The P-GW is configured to receive the second resource modification request, send a fourth CCR, and the fourth CCR The wildcard filter is included, and the PF operation code corresponding to the wildcard filter is increased; the PCRF is configured to receive the fourth CCR, and determine the corresponding corresponding to the wildcard filter. a third PCC rule, where the third PCC rule is included in the fourth CCA and sent to the P-GW;

The P-GW is configured to receive the fourth CCA, install the third PCC rule, and set a state of the second PCC rule of its own to deactivate, and include a state of the second PCC rule. Sending to the PCRF in a fifth CCR;

The PCRF is configured to receive the fifth CCR, delete the second PCC rule according to the state of the second PCC rule included in the CCR, and return a fifth CCA to the P-GW;

The P-GW is configured to delete the second PCC rule.

24. The processing system of claim 22, wherein:

The P-GW is configured to receive the second resource modification request, and send a fourth CCR, where the fourth CCR includes the state of the first PCC rule is activated, and the state of the second PCC rule is deactivated. ;

The PCRF is configured to receive the fourth CCR, activate the first PCC rule, delete the second PCC rule, and send a fourth CCA to the P-GW;

The P-GW is configured to receive the fourth CCA, activate the first PCC rule, and delete the second PCC rule.

25. The processing system of claim 21, wherein:

The SGSN is configured to send a first resource modification request to the P-GW, where the first resource modification request includes a packet filter requested by the UE, and the TFT operation corresponding to the packet filter requested by the UE The code is to create a new TFT; The P-GW is configured to receive the first resource modification request, and send a second CCR, where the second CCR includes a packet filter requested by the UE and an existing wildcard filter, The PF operation code corresponding to the packet filter requested by the UE is increased, and the PF operation code corresponding to the wildcard filter is deleted. The PCRF is configured to receive the second CCR, and determine that the PF operation code is increased. The second PCC rule corresponding to the packet filter, the PF operation code is deleted as the first PCC rule corresponding to the deleted packet filter, and the second PCC rule is included in the second CCA and sent to the P-GW. ;

The P-GW is configured to receive the second CCA, install the second PCC rule, and delete the first PCC rule.