WO2013116978A1 - Procédé, dispositif et système permettant de traiter une demande de ressource utilisateur - Google Patents

Procédé, dispositif et système permettant de traiter une demande de ressource utilisateur Download PDF

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Publication number
WO2013116978A1
WO2013116978A1 PCT/CN2012/070904 CN2012070904W WO2013116978A1 WO 2013116978 A1 WO2013116978 A1 WO 2013116978A1 CN 2012070904 W CN2012070904 W CN 2012070904W WO 2013116978 A1 WO2013116978 A1 WO 2013116978A1
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WIPO (PCT)
Prior art keywords
pcc rule
sgsn
ccr
filter
request
Prior art date
Application number
PCT/CN2012/070904
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English (en)
Chinese (zh)
Inventor
李岩
朱奋勤
王磊
王爽
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201280000181.7A priority Critical patent/CN103503513B/zh
Priority to PCT/CN2012/070904 priority patent/WO2013116978A1/fr
Publication of WO2013116978A1 publication Critical patent/WO2013116978A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/66—Policy and charging system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements

Definitions

  • 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
  • SAE System Architecture Evolution
  • UE User Equipment
  • P-GW Packet Data Network-Gateway
  • SGW Serving GPRS Support Node
  • P-GW Packet Data Network-Gateway
  • SGW Serving Gateway
  • PCRF Policy and Charging Rules Function
  • 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.
  • PDP Packet Data Protocol
  • the TFT Traffic Flow Template
  • the specific PF Packet Filter
  • the 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.
  • the secondary PDP context does not carry the TFT.
  • 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).
  • 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.
  • 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;
  • a first CCR Cosmetic Control 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;
  • 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
  • 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 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.
  • 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.
  • 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 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:
  • 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 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.
  • 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.
  • 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.
  • 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.
  • the P-GW installs the second PCC rule, and sets a state of the first PCC rule to be deactivated or temporarily deactivated.
  • 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 PCRF 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.
  • the P-GW receives the third CCA, deactivates or temporarily deactivates the first PCC rule.
  • 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.
  • the UE creates a new TFT, the UE initiates a PDP context modification, and deletes the new TFT.
  • 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:
  • 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 a 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 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.
  • 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.
  • the UE initiates a PDP context modification, and deletes the new TFT.
  • 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.
  • the P-GW receives the fourth CCA, activates the first PCC rule, and deletes the second PCC rule.
  • 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:
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the SGSN constructs a wildcard packet filter.
  • 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.
  • the first resource creation request includes the wildcard packet filter, so that the P-GW obtains the wildcard packet filter from the PCRF.
  • 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.
  • 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.
  • 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.
  • the SGSN determines that the secondary PDP context activation request does not carry a TFT, and constructs a wildcard packet filter.
  • the SGSN sends a resource creation request to the P-GW.
  • the SGSN includes two types: an S4-SGSN and a Gn/Gp 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.
  • the resource creation request needs to be forwarded to the P-GW through the serving gateway.
  • the P-GW sends a CCR to the PCRF, where the CCR includes a wildcard filter.
  • the PCRF replies to the P-GW with a CCA, where the CCA includes a PCC rule corresponding to the wildcard filter.
  • the P-GW installs the PCC rule
  • the SGSN replies to the UE with a context activation success message.
  • 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.
  • 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:
  • 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.
  • the SGSN includes two types: an S4-SGSN and a Gn/Gp 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.
  • the resource creation request needs to be forwarded to the P-GW through the serving gateway.
  • the P-GW sends a CCR to the PCRF, where the CCR includes a wildcard filter.
  • the PCRF returns a CCA to the P-GW, where the CCA includes a PCC rule corresponding to the wildcard filter.
  • the P-GW installs the wildcard PCC rule delivered by the CCA.
  • the SGSN replies to the UE with a context activation success message.
  • 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.
  • 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:
  • 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.
  • the SGSN sends a resource modification request to the P-GW.
  • the SGSN includes two types: an S4-SGSN and a Gn/Gp 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.
  • the resource creation request needs to be forwarded to the P-GW through the serving gateway.
  • the P-GW sends a CCR request to the PCRF according to the resource modification request.
  • 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.
  • 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.
  • the PCRF sends a CCA to the P-GW, where the CCA includes a PCC rule corresponding to the newly added text filter.
  • 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.
  • 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
  • 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;
  • 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.
  • 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.
  • the PCRF deletion status is a PCC rule corresponding to the deactivated wildcard packet filter.
  • the PCC rule is retained and the PCC rule state is set to be temporarily deactivated.
  • the PCRF sends a CCA message to the P-GW.
  • the P-GW sends a bearer update request, and interacts with the SGSN to complete the modification of the PDP context.
  • the SGSN sends a context modification success message to the UE.
  • 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.
  • 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:
  • 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
  • the SGSN sends a resource modification request to the P-GW.
  • the SGSN includes two types: an S4-SGSN and a Gn/Gp 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the PCRF in this embodiment needs to re-determine the PCC rule corresponding to the newly constructed wildcard packet filter;
  • the state of the wildcard PCC rule is set to be temporarily deactivated.
  • the PCRF only needs to set the PCC rule of the temporarily deactivated wildcard filter to be activated.
  • the created wildcard PCC rule is not necessarily the same as the wildcard PCC rule in the fourth embodiment.
  • 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.
  • the PCRF sends a CCA to the P-GW, where the CCA includes a wildcard PCC rule corresponding to the newly added text filter.
  • 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.
  • the P-GW only needs to activate the deactivated wildcard PCC rule.
  • the P-GW 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.
  • 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.
  • the state of the PCC rule corresponding to the packet filter of the TFT may also be temporarily deactivated.
  • the PCRF deletion status is a PCC rule corresponding to the packet filter of the TFT that is deactivated.
  • the PCC rule 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.
  • the PCRF sends a CCA message to the P-GW.
  • the P-GW sends a bearer update request, and interacts with the SGSN to complete the modification of the PDP context.
  • the SGSN sends a context modification success message to the UE.
  • 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.
  • 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.
  • the UE initiates a modification to the PDP context, adding the PDP context.
  • One or more new Packet Filters 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.
  • 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.
  • the SGSN sends a resource modification request to the P-GW.
  • the SGSN includes two types: an S4-SGSN and a Gn/Gp 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.
  • the resource creation request needs to be forwarded to the P-GW through the serving gateway.
  • the P-GW sends a CCR to the PCRF.
  • the P-GW 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.
  • 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
  • the PDP context installs the message filter of the TFT to be deleted.
  • 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
  • the PF operation code corresponding to the message filter of the TFT to be deleted is DELETION.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the P-GW sends a bearer update request, and interacts with the SGSN to complete the modification of the PDP context.
  • the S4 node sends a context modification success message to the UE.
  • the embodiment of the present invention modifies the activated PDP context.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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;
  • 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.
  • 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.
  • 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;
  • 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.
  • the P-GW adds a pass in the CCR.
  • 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.
  • 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.
  • the processing module 84 is further configured to activate the first PCC rule, and delete the second PCC rule.
  • 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 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 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.
  • the resource creation request and the resource modification request are the bearer resource command.
  • the resource creation request is a create context request, and the resource is Modify the request to update the context request.
  • 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 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 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 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 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 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.
  • 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.
  • This embodiment provides a processing system for a user resource request.
  • 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.
  • 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.
  • 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.
  • 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.
  • the P-GW 1003 adds a pass in the CCR.
  • 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 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 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.
  • 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 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 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.
  • the PDP context is modified after the activation.
  • 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.
  • 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.
  • 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.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé, un dispositif et un système permettant de traiter une demande de ressource utilisateur. Ledit procédé se déroule de la manière suivante : une P-GW reçoit une première demande de création de ressource envoyée par un SGSN; la P-GW envoie une première demande de commande de crédit (CCR) à une PCRF, cette première CCR comprenant un filtre de paquets de remplacement, qui est déterminé selon un filtre de paquets de remplacement élaboré par la P-GW ou selon un filtre de paquets de remplacement élaboré par le SGSN, et qui se trouve dans la première demande de création de ressource; la P-GW reçoit une première réponse de commande de crédit (CCA) en provenance de la PCRF, cette première CCA comportant une première règle de PCC qui correspond aux informations du filtre de paquets de remplacement, et elle installe la première règle de PPC. La présente invention s'applique à la création et à la modification du contexte PDP en mode de commande du support.
PCT/CN2012/070904 2012-02-06 2012-02-06 Procédé, dispositif et système permettant de traiter une demande de ressource utilisateur WO2013116978A1 (fr)

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CN201280000181.7A CN103503513B (zh) 2012-02-06 2012-02-06 用户资源请求的处理方法、装置及系统
PCT/CN2012/070904 WO2013116978A1 (fr) 2012-02-06 2012-02-06 Procédé, dispositif et système permettant de traiter une demande de ressource utilisateur

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