WO2012022222A1 - Procédé et système permettant une association de sessions de contrôle de politique - Google Patents

Procédé et système permettant une association de sessions de contrôle de politique Download PDF

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Publication number
WO2012022222A1
WO2012022222A1 PCT/CN2011/077925 CN2011077925W WO2012022222A1 WO 2012022222 A1 WO2012022222 A1 WO 2012022222A1 CN 2011077925 W CN2011077925 W CN 2011077925W WO 2012022222 A1 WO2012022222 A1 WO 2012022222A1
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WIPO (PCT)
Prior art keywords
fixed network
session
policy
bpcf
pcrf
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PCT/CN2011/077925
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English (en)
Chinese (zh)
Inventor
霍玉臻
毕以峰
王志海
蒋陶
Original Assignee
中兴通讯股份有限公司
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Publication of WO2012022222A1 publication Critical patent/WO2012022222A1/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
    • 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
    • H04M15/55—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP for hybrid networks
    • 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
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities

Definitions

  • the present invention relates to policy control in the field of mobile communication and fixed network communication, and in particular, to a method and system for association of a policy control session. Background technique
  • the network architecture of mobile network and fixed network convergence is shown in Figure 1.
  • the part above the dotted line is the part of the mobile network, the part below the dotted line is the fixed network part, and the part of the mobile network is specifically the 3rd Generation Partnership Project (3GPP, 3rd).
  • 3GPP 3rd Generation Partnership Project
  • Evolved Packet System Evolved Universal Terrestrial Radio Access Network
  • Evolved Universal Terrestrial Radio Access Network Evolved Universal Terrestrial Radio Access Network
  • MME Mobile Management Unit
  • S-GW Serving Gateway
  • P-GW Packet Data Network Gateway
  • HSS Home Subscriber Server
  • AAA Authorized Accounting
  • Authentication, Authorization, Accounting consists of the Policy and Charging Rules Function (PCRF) and other supporting nodes.
  • the MME is responsible for the control plane, such as mobility management, non-access stratum signaling processing, and user mobility management context management.
  • the S-GW is an access gateway device connected to the E-UTRAN, in the E-UTRAN. Forwarding data with the P-GW and buffering the paging waiting data.
  • the P-GW is a border gateway of the 3GPP evolved EPS and Packet Data Network (PDN), which is responsible for PDN access, and Forward data between EPS and PDN.
  • PDN Packet Data Network
  • the fixed network part mainly includes a routing gateway (RG), an access network (AN, Access Network), and a broadband network gateway (BNG, Broadband Network Gateway).
  • RG routing gateway
  • AN access network
  • BNG broadband network gateway
  • BRAS Broadband Remote Access Server
  • BBF Broadband Forum AAA Server/Proxy
  • BFW AAA Server/Proxy Broadband Forum AAA Server/Proxy
  • BPCF Broadband Forum Policy Control Function
  • the AN may include a digital subscriber line access multiplexer (DSLAM), an optical network terminal (ONT, Optical Network Terminal), and the like, BNG/BRAS, BBF AAA, and The 3GPP HSS/AAA server is used to implement authentication and authorization for user equipment (UE, User Equipment) access, and the BNG/BRAS, BPCF, and EPS PCRF are used to manage and control fixed network resources.
  • DSLAM digital subscriber line access multiplexer
  • ONT optical network terminal
  • BNG/BRAS optical network terminal
  • BBF AAA Optical Network Terminal
  • the 3GPP HSS/AAA server is used to implement authentication and authorization for user equipment (UE, User Equipment) access
  • UE User Equipment
  • the network architecture of the fixed network and the mobile network convergence includes an X-MAG (X-Mobility Access Gateway), and the X-MAG is a network element introduced for the fixed network and the mobile convergence, as shown in FIG.
  • X-MAG X-Mobility Access Gateway
  • the X-MAG is a network element introduced for the fixed network and the mobile convergence, as shown in FIG.
  • the network architecture it is included in the fixed network part, and in actual applications, it can also be placed in the mobile network part.
  • the UE can access the EPS through the fixed network part.
  • the P-GW acts as an anchor point between the EPS and the fixed network part.
  • the fixed network part is connected to the P-GW of the EPS through the X-MAG, and the X-MAG and the P-GW are connected through the S2a interface.
  • the UE data passes through the fixed network part, the X-MAG, and then reaches the external PDN through the P-GW of the EPS.
  • the external PDN may be the Internet or the carrier enterprise network.
  • the P-GW has a Policy and Charging Enforcement Function (PCEF), the PCRF and the P-GW exchange information through the Gx interface, and the S5 interface between the S-GW and the P-GW is based on the proxy mobile IP ⁇ 6.
  • PCEF Policy and Charging Enforcement Function
  • the S-GW has a Bearer Binding and Event Reporting Function (BBERF), and the S-GW and the PCRF exchange information through the Gxc interface.
  • BBERF Bearer Binding and Event Reporting Function
  • the fixed-line policy and charging control functions are implemented by BPCF and BNG/BRAS. Specifically, BPCF is used to formulate policies, and BNG/BRAS specifically implements the policies formulated by BPCF.
  • the main object of the present invention is to provide a method and system for associating a policy control session, which can establish an association of a policy session between a mobile network and a fixed network.
  • the present invention provides a method for associating a policy control session.
  • the method includes: when the UE accesses the fixed network, establishing a fixed network policy session for the UE at the BPCF, where the BPCF obtains the fixed network information of the UE from the fixed network.
  • the BPCF obtains the fixed network information of the UE from the fixed network.
  • the BPCF obtains a fixed network of the UE from the mobile network by using an HSS I AAA server or an X-MAG.
  • Information The BPCF associates the fixed network policy session with the interworking policy session according to the fixed network information of the UE obtained from the fixed network and the mobile network.
  • the BPCF associates the fixed network policy session with the interworking policy session according to the fixed network information of the UE obtained from the fixed network and the mobile network
  • the method includes: the fixed network information includes the following One or more of the information: the fixed network ID of the UE, the fixed network IP address of the UE, the IP address of the UE fixed network IP converted by the network address, and the user data protocol (UDP) port number; the BPCF is based on The fixed network ID of the UE, and/or the fixed network IP address of the UE, and/or the IP address of the UE fixed network IP address converted by the network address plus the UDP port number, associate the fixed network policy session with the interworking policy session .
  • the fixed network information includes the following One or more of the information: the fixed network ID of the UE, the fixed network IP address of the UE, the IP address of the UE fixed network IP converted by the network address, and the user data protocol (UDP) port number
  • UDP user data protocol
  • the BPCF obtains the fixed network information of the UE from the mobile network by using the HSS/AAA server or the X-MAG, and includes: when the UE accesses the mobile network, sending the fixed network information of the UE to the mobile network through the authentication process.
  • the X-MAG forwards the fixed network information of the UE to the current P-GW during the establishment of the current PDN connection; when establishing the IP-CAN session, The current packet data network gateway (P-GW) sends the fixed network information of the UE to the PCRF; when establishing the interworking policy session, the PCRF sends the fixed network information of the UE to the BPCF; Alternatively, when the UE accesses the mobile network, the fixed network information of the UE is sent to the HSS I AAA server through the authentication process. In the process of establishing the current PDN connection, the UE is secured by the HSS/AAA server.
  • P-GW packet data network gateway
  • the network information is forwarded to the P-GW; when the IP-CAN session is established, the current P-GW sends the fixed network information of the UE to the PCRF; when establishing the interworking policy session, the PCRF will The fixed network information of the UE is sent to the BPCF.
  • the establishment of the interworking policy session at the BPCF includes: when the UE establishes a PDN connection, an IP-CAN session is established between the current P-GW and the PCRF, triggering the current PCRF to initiate and complete the self and the The establishment of an interworking policy session between BPCFs.
  • the method when the PDN connection exists in the UE, the method further includes: the current PCRF according to the obtained fixed network information of the UE or the mobile network ID, The IP-CAN session in the PDN connection establishment process is associated with the established interworking policy session that is associated with the fixed network policy session, and reuses the established interworking policy session.
  • the method before the PCRF multiplexes the established interworking policy session, the method further includes: determining, by the PCRF, whether there is an interworking policy session that conforms to the current IP-CAN session in the established interworking policy session, if If yes, the PCRF multiplexes the interworking policy session that is consistent with the current IP-CAN session. Otherwise, the current PCRF establishes an interworking policy session between itself and the BPCF.
  • the PCRF determines whether there is an interworking policy session that matches the current IP-CAN session in the established interworking policy session, including: whether the IPF CAN session in the previous IP-CAN session determines whether there is an IP-CAN session.
  • the fixed network IP address of the UE, and/or the fixed network IP address of the UE or the NAT-transformed IP address and UDP port number, and/or the access type are the same as in the current IP-CAN session; if they are the same, there is Interworking policy for IP-CAN sessions that match the current PDN connection Slightly session, otherwise, there is no interworking policy session for the IP-CAN session that matches the current PDN connection.
  • the method before the PDN connection exists in the UE, before the multiplexed any existing PDN connection, the method further includes: the PCRF completing the existing interworking policy by itself When the session is established, the acquired fixed network information of the UE is saved, and the fixed network information of the UE is obtained from itself when the interworking policy session is established; or, the current IP is established before multiplexing the established interworking policy session.
  • the PCRF acquires fixed network information of the UE from the P-GW.
  • the establishing a fixed network policy session for the UE at the BPCF includes: the policy enforcement entity in the fixed network initiates itself and the BPCF A fixed network policy session between the UE and the fixed network information of the UE obtained by the UE is sent to the BPCF.
  • the policy enforcement entity initiates a fixed network policy session between the UE and the BPCF, and acquires the fixed network information of the UE, including: the policy enforcement entity is BNG/BRAS, and the BNG/BRAS
  • the establishment of the fixed network policy session between the self and the BPCF is initiated by the triggering of the fixed network authentication process and/or the local connection establishment, and the fixed network information of the UE is obtained from the UE.
  • the present invention also provides a policy control session association system, the system includes: a BPCF, where the BPCF includes a first session establishment unit, a second session establishment unit, and an association unit, where the first session establishment unit is configured to When the UE accesses the fixed network, the fixed network policy session is established for the UE at the BPCF, and the fixed network information of the UE is obtained from the fixed network; the second session establishing unit is configured to access the fixed network through the UE.
  • an interworking policy session is established for the UE, and the fixed network information of the UE is obtained from the mobile network by using the HSS I AAA server or the X-MAG; the association unit is configured to establish according to the first session.
  • the unit, and the fixed network information of the UE acquired by the second session establishing unit associate the fixed network policy session established by the first session establishing unit with the interworking policy session established by the second session establishing unit.
  • the fixed network information includes one or more of the following information: a fixed network ID of the UE, a fixed network IP address of the UE, and an IP address converted by the network fixed address of the UE via the network address plus UDP a port number; the association unit, configured to acquire, according to the first session establishing unit, and the second session establishing unit, a fixed network ID of the UE, and/or a fixed network IP address of the UE, and/or a UE fixed network IP The address is translated by the network address translated IP address plus the UDP port number, and the fixed network policy session is associated with the interworking policy session.
  • the system further includes: one or more PCRFs, one or more P-GWs, and an X-MAG and/or an HSS/AAA server, where the X-MAG is used in the UE Acquiring the fixed network information of the UE in the authentication process, and forwarding the fixed network information of the acquired UE to the P-GW connected to the current PDN in the process of establishing the current PDN connection;
  • the HSS/AAA server is used for Acquiring the fixed network information of the UE in the authentication process of the UE, and forwarding the fixed network information of the acquired UE to the P-GW connected to the current PDN in the process of establishing the current PDN connection;
  • P- a GW configured to establish an IP-CAN session with the PCRF, and send the fixed network information of the UE to the PCRF, where the PCRF is used to initiate and complete the current PDN connection when the UE establishes a current PDN connection.
  • the PCRF is further configured to: when the PDN connection already exists in the UE, for any additional PDN connection, according to the acquired fixed network information or the mobile network ID of the UE,
  • the IP-CAN session in the PDN connection establishment process is associated with the established interworking policy session that is associated with the fixed network policy session, and reuses the established interworking policy session.
  • the system further includes: the policy enforcement entity of the fixed network, where the policy enforcement entity of the fixed network is configured to initiate and establish a fixed network between itself and the first session establishing unit of the BPCF.
  • the policy session sends the fixed network information of the UE obtained by itself to the first session establishing unit.
  • the method and system for associating a policy control session of the present invention are respectively when the UE accesses the fixed network
  • a fixed network policy session is established at the BPCF, and when the UE accesses the mobile network, an interworking policy session is established at the BPCF, and finally the two sessions are associated by the BPCF, thereby realizing the policy control session and the fixed network in the mobile network.
  • the policy controls the association of the session, so that the policy enforcement entity of the fixed network, such as the BNG/BRAS, can dynamically obtain the strategy of the fixed network and the policy of the mobile network from the BPCF during the establishment of the policy control session, and report the two sessions through the above two sessions.
  • the event finally realizes the unified management of the mobile network and the fixed network resources through the control of the BPCF and the execution of the PCRF and the fixed network policy execution entity.
  • FIG. 1 is a schematic diagram of a network architecture in a scenario of a mobile network and a fixed network convergence;
  • FIG. 3 is a schematic structural diagram of a policy control session association system according to the present invention.
  • Embodiment 4 is a flowchart of a specific implementation of Embodiment 1 of the present invention.
  • FIG. 5 is a flowchart of a specific implementation of Embodiment 2 of the present invention.
  • Embodiment 6 is a flowchart of a specific implementation of Embodiment 3 of the present invention.
  • FIG. 7 is a flowchart of a specific implementation of Embodiment 4 of the present invention. detailed description
  • the basic idea of the present invention is: the UE accesses the fixed network, and the policy enforcement entity in the fixed network, such as the BNG/BRAS, initiates the establishment of a fixed network policy session between itself and the BPCF, and the BPCF performs the policy execution during the establishment of the fixed network policy session.
  • the UE accesses the mobile network, such as the EPS network, through the fixed network, and sends the fixed network information of the UE to the X-MAG/3GPP AAA server through the EPS authentication process, and the subsequent process
  • the P-GW is forwarded to the P-GW by the X-MAG/3GPP AAA server.
  • the current P-GW When the PDN connection is established, the current P-GW initiates an IP-CAN session establishment, and sends the fixed network information of the UE to the PCRF, and triggers the PCRF to initiate the BPCF. It The interworking policy session is established, and the fixed network information of the UE is sent to the BPCF. Finally, the BPCF associates the interworking policy session established in the mobile network with the fixed network policy established on the fixed network according to the fixed network information of the UE. Make an association.
  • a method for associating a policy control session of the present invention mainly includes the following steps:
  • Step 201 When the UE accesses the fixed network, establish a fixed network policy session for the UE at the BPCF, where the BPCF obtains the fixed network information of the UE from the fixed network;
  • the fixed network policy session is a session established between a policy enforcement entity of the fixed network, such as BNG/BRAS, and the BPCF, for transmitting policy and event notification.
  • a policy enforcement entity of the fixed network such as BNG/BRAS, and the BPCF
  • Step 202 When the UE accesses the mobile network through the fixed network, establish an interworking policy session for the UE at the BPCF, where the BPCF passes a Home User/Authentication Authorization (HSS I AAA ) server or an interworking network element ( X-MAG) acquiring the fixed network information of the UE from the mobile network;
  • HSS I AAA Home User/Authentication Authorization
  • X-MAG interworking network element
  • Step 203 The BPCF associates the fixed network policy session with the interworking policy session according to the fixed network information of the UE obtained from the fixed network and the mobile network.
  • the fixed network information of the UE may include one or more of the following information:
  • the fixed network IP address of the UE the fixed network IP address of the UE, the NAT-transformed IP address of the UE fixed network IP plus the User Datagram Protocol (UDP) port number, and the protocol type of the UE.
  • UDP User Datagram Protocol
  • the BPCF associates the fixed network policy session with the interworking policy session according to the obtained fixed network information of the UE, in any one of the following manners, including:
  • the fixed network IP address of the UE/the converted network address The IP address plus the UDP port number is associated.
  • step 201 when the UE accesses the fixed network, the fixed network policy session is established for the UE at the BPCF, and the BPCF obtains the fixed network information of the UE from the fixed network, and includes: the policy enforcement entity in the fixed network.
  • a fixed network policy session between the UE and the BPCF is initiated, and the fixed network information of the UE obtained by the UE is sent to the BPCF.
  • the policy enforcement entity may be a BNG/BRAS
  • the BNG/BRAS is triggered by a fixed network authentication process and/or a local connection establishment, and initiates establishment of a fixed network policy session between the self and the BPCF, and
  • the UE acquires fixed network information of the UE.
  • the present invention exemplifies the establishment of a fixed network policy session by the BNG/BRAS and the BPCF of the fixed network, but does not exclude other network elements in the fixed network from establishing a "fixed network policy session" with the BPCF as a policy enforcement entity. Possibly, for such a scenario, the invention is equally applicable, as long as the BNG/BRAS is replaced by a corresponding policy enforcement entity.
  • the interworking policy session is established for the UE at the BPCF, including: when the UE establishes a PDN connection, the current P-GW and the PCRF Establishing an IP-CAN session, triggering the current PCRF to initiate and complete the establishment of an interworking policy session between itself and the BPCF.
  • the method further includes: when the UE has a PDN connection, the method further includes: the current PCRF establishes the current PDN connection according to the acquired fixed network information or the mobile network ID of the UE.
  • the in-process IP-CAN session is associated with an established interworking policy session that is associated with the fixed network policy session and reuses the established interworking policy session.
  • the PCRF Before the PCRF multiplexes the established interworking policy session, the PCRF needs to determine, according to the fixed network information of the UE, whether there is an interworking policy of the IP-CAN session conforming to the current PDN connection in the established interworking policy session. a session, if any, the PCRF multiplexes an interworking policy session that is consistent with the current IP-CAN session, otherwise the PCRF needs to establish an nth interworking policy session with the BPCF, and the BPCF is based on the UE Fixed network information, will be n The interworking policy session is associated with a fixed network policy session.
  • n is an integer greater than 1.
  • the PCRF determines whether there is a fixed network IP address of the UE in the IP-CAN session, and/or a fixed network IP address of the UE or a NAT-transformed IP address and a UDP port number in the previous IP-CAN session. And/or the access type is the same as in the current IP-CAN session; if they are the same, there is an interworking policy session that conforms to the current IP-CAN session; otherwise, there is no interworking policy session that matches the IP-CAN session of the current PDN connection.
  • the UE when the UE establishes a subsequent additional PDN connection, if the additional PDN connection uses the same PCRF as the previous PDN connection, the current PCRF can directly re-establish the established and associated with the fixed network.
  • the interworking policy session of the policy session can also establish an interworking policy session with the BPCF, and then the BPCF associates the newly created interworking policy session with the fixed network policy session; otherwise, the current PCRF can only be between itself and the BPCF.
  • An interworking policy session is established, and the interworking policy session is associated with the fixed network policy session by the BPCF.
  • the BPCF obtains the fixed network information of the UE from the mobile network by using the HSS/AAA server or the X-MAG, and includes: when the UE accesses the mobile network, sending the fixed network information of the UE to the XM AG through the authentication process.
  • the XM AG forwards the fixed network information of the UE to the current P-GW during the establishment of the current PDN connection; when the IP-CAN session is established, the current packet data network gateway (P-GW) The fixed network information of the UE is sent to the PCRF; when the interworking policy session is established, the PCRF sends the fixed network information of the UE to the BPCF; or when the UE accesses the mobile network, it The fixed network information is sent to the HSS I AAA server through the authentication process. During the establishment of the current PDN connection, the HSS/AAA server forwards the fixed network information of the UE to the P-GW; During the session, the current P-GW sends the fixed network information of the UE to the PCRF. When the interworking policy session is established, the PCRF sends the fixed network information of the UE to the BPCF.
  • the PCRF sends the fixed network information of the UE to the BPCF.
  • the method further includes: the PCRF completing itself When the establishment of the interworking policy session is established, the acquired fixed network information of the UE is saved, and when the interworking policy session is established, the fixed network information of the UE is obtained from the UE; or, before multiplexing the established interworking policy session, When the current IP-CAN session is established, the PCRF acquires the fixed network information of the UE from the P-GW.
  • the HSS / AAA server can be a 3GPP HSS / AAA server.
  • the UE can establish multiple PDN connections through the fixed network access to the mobile network.
  • the first IP-CAN session is established between the P-GW and the PCRF, triggering the PCRF to initiate the establishment of the first interworking policy session between itself and the BPCF, and the PCRF completes its own and the session.
  • the establishment of the first interworking policy session between the BPCFs obtaining the fixed network information of the UE from the P-GW, and transmitting the information to the BPCF, and saving to the self, and then the BPCF, according to the fixed network information of the UE, the first interworking policy
  • the session is associated with the fixed network policy session described above.
  • an nth IP-CAN session is established between the current P-GW and the PCRF, triggering between the PCRF and the BPCF.
  • the PCRF obtains the fixed network information of the UE saved in the previous establishment of the interworking policy session, or acquires the fixed network information of the UE from the P-GW, and sends the information to the BPCF, and then the BPCF according to the UE
  • the fixed network information, the nth interworking policy session is associated with the fixed network policy session; or, when the UE already has a PDN connection, for any additional PDN connection, such as the nth PDN connection, the current P
  • the nth IP-CAN session is established between the GW and the PCRF, and the PCRF can also establish an IP-CAN session in the current PDN connection establishment process according to the acquired fixed network information or the mobile network ID of the UE.
  • an interworking policy session is established between the GW and the PCRF, and the PCRF can also establish an IP-CAN session in the current PDN connection establishment process according
  • the present invention further provides an association system for a policy control session.
  • the system mainly includes a BPCF_31, where the BPCF_31 mainly includes a first session establishing unit 311 and a second session establishing unit 312.
  • the voice establishing unit 311 is configured to: when the UE accesses the fixed network, establish a fixed network policy session for the UE at the BPCF, and acquire the fixed network information of the UE from the fixed network; the second session establishing unit 312 is configured to pass the UE When the fixed network accesses the mobile network, an interworking policy session is established for the UE at the BPCF, and the fixed network information of the UE is obtained from the mobile network by using the HSS I AAA server or the X-MAG; the association unit 313 is configured to The fixed network information of the UE acquired by the first session establishing unit 311 and the second session establishing unit 312, the fixed network policy session established by the first session establishing unit 311, and the second session establishing unit 312 The established interworking policy session is associated.
  • the association unit 313 may be configured to acquire, according to the first session establishing unit 311, and the second session establishing unit 312, a fixed network ID of the UE, and/or a fixed network IP address of the UE, and/or a UE solid.
  • the IP address of the network IP address is translated by the IP address of the network address plus the UDP port number, and the fixed network policy session is associated with the interworking policy session.
  • the system further includes: one or more PCRF_32, one or more P-GW_33, and an X-MAG_34 and/or an HSS I AAA server 35, where
  • the X-MAG_34 is configured to acquire the fixed network information of the UE in the authentication process of the UE, and forward the fixed network information of the acquired UE to the current PDN connection in the process of establishing the current PDN connection.
  • the P-GW_33; the HSS/AAA server 35 is configured to acquire the fixed network information of the UE in the authentication process of the UE, and set the fixed network information of the acquired UE in the process of establishing the current PDN connection.
  • P-GW_33 is used to establish an IP-CAN session with the PCRF_32, and send the fixed network information of the UE to the PCRF_32;
  • PCRF_32 is used to establish in the UE
  • the establishment of the interworking policy session between the UE and the second session establishing unit 312 of the BPCF_31 is initiated and completed, and the fixed network information of the UE is sent to the second session establishing unit 312 of the BPCF_31.
  • the HSS/AAA server 35 can be a 3GPP AAA server.
  • the PCRF_32 may be further configured to: when the PDN connection already exists in the UE, for any additional PDN connection, according to the obtained fixed network information or the mobile network ID of the UE, the current PDN connection establishment process
  • the IP-CAN session is associated with an established interworking policy session that is associated with the fixed network policy session and reuses the established interworking policy session.
  • the system may further include: the fixed network policy enforcement entity 36, the fixed network policy enforcement entity 36 is configured to initiate and establish a fixed network policy session between itself and the first session establishing unit 311 of the BPCF_31. And sending the fixed network information of the UE that is obtained by the UE to the first session establishing unit 311.
  • the policy enforcement entity 36 of the fixed network may be a BNG/BRAS, and the BNG/BRAS is triggered by the fixed network authentication process and/or the local connection establishment of the UE, and initiates a fixed network policy session between the self and the BPCF_31. Establishing, and acquiring fixed network information of the UE from the UE.
  • the session association system is controlled by the foregoing policy, and the association between the policy control session in the mobile network and the policy control session in the fixed network in the scenario of the mobile network and the fixed network convergence is implemented, and the specific process refers to the detailed description of the above method. , will not repeat them here.
  • this embodiment is applicable to a process for establishing an attached/added PDN connection when a UE accesses an EPS through a fixed network, where the fixed network is a trusted non-3GPP access of the EPS network, including roaming, non- Various scenes such as roaming.
  • the UE in the process of the UE accessing the fixed network, the UE sends its own fixed network information to the BNG/BRAS during the fixed network authentication process and/or the local connection establishment, and then between the BNG/BRAS and the BPCF.
  • the BNG/BRAS sends the fixed network information to the BPCF.
  • the UE sends its own fixed network information to the X-MAG through the EPS authentication process.
  • the fixed network information is forwarded to the P-GW by the X-MAG.
  • the P-GW After the P-GW establishes the IP-CAN session, the P-GW sends the fixed network information to the PCRF.
  • the PCRF sends the fixed network information of the UE obtained by itself to the PCRF.
  • the BPCF associates the established interworking policy session with the fixed network policy session according to the fixed network information acquired from the PCRF and the fixed network information acquired from the UE.
  • the fixed network policy session established between BNG/BRAS and BPCF is unique for each UE; the interworking policy session between BPCF and PCRF, and the IP-CAN session between P-GW and PCRF For each PDN connection, it is unique, and one UE can establish multiple PDN connections, so that for the same UE, there are multiple interworking policy sessions between multiple BPCFs and PCRFs, and multiple IP addresses.
  • - CAN session Therefore, in the present embodiment, at the BPCF, the fixed network policy session between the BGN/BRAS and the BPCF, and the interworking policy session with the BPCF and the PCRF are one-to-many association relationships.
  • Step 401 The UE uses the traditional fixed network authentication mode to pass the fixed network authentication
  • Step 402 The UE establishes a local connection with the fixed network, and obtains the fixed network IP address IP-1 assigned by the fixed network, and sends the fixed network information of the UE to the BNG/BR AS in the process;
  • Step 403 The BNG/BRAS initiates a setup request of the fixed network policy session to the BPCF by the local connection establishment and/or the authentication process, and sends the fixed network information of the UE obtained in the foregoing process to the BPCF.
  • the BNG/BRAS and the BPCF establish a session for applying and/or issuing a dynamic policy, so that the BPCF can accurately control the network resource allocation and user admission of the fixed network.
  • the fixed network information includes a fixed network ID of the UE, and/or an IP address allocated by the fixed network to the UE, and may also include a port number and a protocol type other than the IP. If the fixed network information obtained by the BNG/BRAS from the UE is an address obtained by the network address translation (NAT) of the fixed network IP address of the UE, the NAT-transformed IP address plus the UDP port number is added. The fixed network information of the UE is reported to the BPCF.
  • NAT network address translation
  • Step 404 The UE sends a Layer 3 negotiation request to the X-MAG to request access to the EPS network.
  • the Layer 3 negotiation request includes the mobile network ID of the UE and the parameters such as the APN.
  • Step 405 The X-MAG receives the Layer 3 negotiation request, and initiates an authentication process for the UE by using the 3GPP-based authentication mode.
  • Extended Authentication Protocol - Logo EAP-ID, Extensible
  • the authentication method used by X-MAG can be UMTS authentication and key agreement extensible authentication protocol method ( EAP-AKA, Extensible Authentication Protocol
  • Step 406 The UE receives the EAP-ID request message, returns an EAP-ID response message to the X-MAG, and carries the fixed network information of the UE in the EAP-ID response message, and the X-MAG forwards the EAP-ID response message to the 3GPP.
  • HSS/AAA server HSS/AAA server
  • the UE may directly include the fixed network information of the UE in the identifier field of the EAP-ID response message, where the fixed network information of the UE is used as the UE.
  • the pseudo identity is used; or the UE may also carry its own fixed network information as a new field of the EAP-ID response message by extending the EAP-ID response message;
  • the UE may use the extended network EAP-ID response message to use its own fixed network information as Carrying a new field of the EAP-ID response message;
  • the UE When the fixed network information of the UE includes the fixed network IP address and the fixed network ID of the UE, or the IP address and port number obtained by NAT after the UE fixed network IP address is included, and the fixed network ID, the UE extends the EAP- The ID response message carries its own fixed network information as a new field of the EAP-ID response message.
  • Step 407 The X-MAG obtains the fixed network information of the UE from the EAP-ID response message returned by the UE, and saves the information.
  • Step 408 continuing the subsequent 3GPP access authentication process, such as the EAP-AKA authentication process;
  • the X-MAG parses the fixed IP address IP-1 of the UE or the IP address and UDP port number of the fixed network IP address IP-1 converted by the NAT from the IP header of the Layer 3 negotiation request, and sends the IP address and the UDP port number of the UE.
  • the PBU (the ⁇ binding request) message is sent to the P-GW to request the tunnel binding with the P-GW, and the acquired UE fixed network information is carried in the PBU message, so that the fixed network information of the UE and the subsequent ⁇ 6 are to be established. There is a correspondence between the tunnels;
  • X-MAG acts as the mobile anchor gateway for the PMIPv6 tunnel to be established.
  • Step 410 After receiving the PBU message sent by the X-MAG, the P-GW allocates the IP address IP-2 of the EPS network to the UE, and establishes a first network protocol connection access network (IP-CAN, between the P-GW and the PCRF, The IP-Connectivity Access Network is configured to parse the fixed network information of the UE from the PBU message, and send the parsed fixed network information of the UE to the PCRF by using the setup signaling of the first IP-CAN session;
  • IP-CAN network protocol connection access network
  • the establishment signaling of the first IP-CAN session further includes the mobile network information of the UE.
  • the mobile network information of the UE includes: an IP address IP-2, a port number, a protocol type, and the like allocated by the EPS to the UE.
  • the PCRF formulates a Policy and Charging Control (PCC) policy according to the fixed network information and the mobile network information of the UE sent by the P-GW. .
  • PCC Policy and Charging Control
  • Step 411 The P-GW sends an APN/P-GW identity pair to the 3GPP HSS/AAA server by using the Diameter signaling, and the 3GPP HSS/AAA server stores the identifier of the P-GW, and completes the identifier update of the P-GW.
  • Step 412 The P-GW returns a PBA ( ⁇ Binding Acknowledgment) message to the X-MAG, and carries the IP address IP-2 allocated to the UE in the message;
  • PBA Binding Acknowledgment
  • Step 413 The X-MAG completes Layer 3 negotiation with the UE, and sends the mobile network IP address IP-2 allocated to the UE to the UE.
  • the X-MAG can perform the IP-2 by performing signaling when it performs three-layer negotiation with the UE.
  • the IP-2 may be sent to the UE by using newly defined signaling or other existing signaling after completing the Layer 3 negotiation.
  • Step 414 triggered by the establishment of the first IP-CAN session between the PCRF and the P-GW, the PCRF initiates the establishment of the first interworking policy session between itself and the BPCF, and the PCRF obtains the fixed network information obtained from the P-GW. Sent to BPCF;
  • the PCRF sends a related policy to the BPCF.
  • Step 415 After the BPCF establishes a first interworking policy session with the PCRF, the fixed network policy between itself and the BNG/BRAS is determined according to the UE fixed network information obtained from the PCRF and the UE fixed network information obtained from the BNG/BRAS. The session, and the first interworking policy session between itself and the PCRF are associated;
  • the fixed network information of the UE may include a fixed network ID of the UE, and/or an IP address IP-1 assigned by the fixed network to the UE, and/or an IP address and a UDP port number converted by the NAT-1, specifically
  • the above association can be completed according to any one of the following three schemes or a combination of any of the following:
  • BPCF associates the fixed network policy session with the first interworking policy session according to the fixed network ID of the UE in the fixed network information of the UE;
  • the BPCF sets the fixed network policy session and the first interworking policy session according to the IP address IP-1 assigned by the fixed network to the UE in the fixed network information of the UE, and/or the IP address and UDP port number converted by the NAT. Association
  • the BPCF will fix the fixed network according to the fixed network ID of the UE in the fixed network information of the UE and the IP address IP-1 and/or IP-1 of the fixed network allocated to the UE through the NAT translated IP address and UDP port number.
  • the session is associated with the first interworking policy session.
  • the PCRF sends the relevant policy to the BPCF.
  • the BPCF updates the BNG/BRAS related policy according to the actual situation, and the BNG/BRAS performs the corresponding operation according to the updated policy. So that the fixed network can be dynamic
  • the acquisition strategy enables unified management of mobile resources and fixed network resources.
  • Step 416 The UE completes the first PDN connection, establishes a data channel with the server, and starts to send and receive data packets.
  • Step 417 the UE starts to establish an additional PDN connection, and the second PDN connection sends a Layer 3 negotiation request to the X-MAG.
  • the Layer 3 negotiation request includes parameters such as a mobile network ID and an APN of the UE, where the APN parameter of the UE may be different from the APN when the first PDN connection is established, or may be the same.
  • Step 418 After receiving the Layer 3 negotiation request sent by the UE, the X-MAG acquires the fixed network information of the UE from itself.
  • the X-MAG Since the X-MAG has already saved the acquired fixed network information of the UE during the first PDN connection establishment process, the X-MAG can obtain the fixed network information of the UE from itself.
  • Step 419 The X-MAG parses out the fixed network IP address IP-1 of the UE, or the NAT-transformed IP address and UDP port number of the UE from the IP header of the Layer 3 negotiation request, and sends a PBU message to the P. -GW, requesting binding with the P-GW tunnel, and carrying the UE fixed network information acquired in the PBU message, so as to establish a correspondence between the UE fixed network information and the subsequent PMIPv6 tunnel to be established;
  • the P-GW to which the second PDN is connected may be the same as or different from the P-GW to which the first PDN is connected.
  • the X-MAG is in the PBU.
  • the message may not carry the fixed network information. If the P-GW connected to the second PDN is different from the P-GW connected to the first PDN, the X-MAG needs to carry the fixed network information of the UE in the PBU message.
  • the P-GW corresponding to the second PDN connection acquires the UE fixed network information.
  • Step 420 After receiving the PBU message sent by the X-MAG, the P-GW allocates the EPS for the UE.
  • a second IP-CAN session is established between the IP address IP-3, the P-GW and the PCRF in the network.
  • the PBU message carries the fixed network information of the UE
  • the P-GW needs to parse out the fixed network information of the UE.
  • the second IP-CAN session establishment signaling is used to send the UE fixed network information to the PCRF; if the PBU message does not carry the UE fixed network information, the P-GW saves itself and acquires when the first IP-CAN session is established.
  • the received UE fixed network information is sent to the PCRF through the second IP-CAN session establishment signaling.
  • the P-GW may not send the UE fixed network information to the PCRF.
  • the PCRF may be based on the UE fixed network information obtained when establishing the first IP-CAN session, and is established.
  • the UE mobile network information sent by the P-GW in the second IP-CAN session, and the PCC policy is formulated; if the PCRF selected by the P-GW is different from the first PDN in the current second PDN connection, the P-GW needs to When the second IP-CAN session is established, the UE fixed network information is sent to the PCRF, so that the PCRF formulates the PCC policy according to the fixed network information of the UE and the mobile network information of the UE.
  • the mobile network information includes: an IP address IP-3, a port number, a protocol type, and the like allocated by the EPS network to the UE.
  • Step 421 The P-GW sends an APN/P-GW identity pair to the 3GPP HSS/AAA server through the Diameter signaling, and the 3GPP HSS/AAA server stores the identifier of the P-GW, and completes the identifier update of the P-GW.
  • Step 422 The P-GW returns a PBA message to the X-MAG, and carries the IP address IP-3 allocated to the UE in the message.
  • Step 423 The X-MAG completes the Layer 3 negotiation with the UE, and sends the IP address IP-3 allocated to the UE to the UE.
  • Step 424 triggering establishment of a second IP-CAN session between the PCRF and the P-GW, PCRF Initiating the establishment of a second interworking policy session between itself and the BPCF, and acquiring the self-acquisition
  • the UE fixed network information is sent to the BPCF;
  • the PCRF acquires the UE fixed network information from the P-GW, and then sends the acquired UE fixed network information to the BPCF; if the PCRF establishes the second IP with the P-GW.
  • the UE does not obtain the fixed network information of the UE from the P-GW, and the PCRF finds the fixed network information of the UE that has been saved by acquiring the mobile network ID of the UE, and sends the information to the BPCF.
  • Step 425 After the BPCF establishes a second interworking policy session with the PCRF, according to the UE fixed network information acquired from the PCRF and the UE fixed network information acquired from the BNG/BRAS, the fixed network policy session and the current The second policy session is associated.
  • step 415 the specific method of association is the same as step 415.
  • Step 426 The UE completes the establishment of the additional second PDN connection, establishes a data channel, and starts to send and receive data packets.
  • the first interworking policy session of the first PDN connection in the embodiment and the second interworking policy session of the second PDN connection are respectively associated with the fixed network policy session.
  • the UE may further establish multiple PDN connections, such as a third PDN connection and a fourth PDN connection, by using the mode of steps 417-426, and the corresponding interworking policy session in each PDN connection.
  • PDN connections such as a third PDN connection and a fourth PDN connection.
  • the association mechanism between the fixed network policy sessions is the same as above.
  • this embodiment is applicable to a process for establishing an attached/added PDN connection when a UE accesses an EPS through a fixed network, where the fixed network is a trusted non-3GPP access of the EPS network, including roaming, non- Various scenes such as roaming.
  • the BNG/BRAS when the UE accesses the fixed network, the BNG/BRAS initiates establishment of the fixed network policy session; when the UE accesses the EPS network, and establishes the first PDN connection, the P-GW initiates an IP-CAN session establishment, The triggered PCRF will initiate the establishment of the first interworking policy session, after which the BPCF associates the first interworking policy session with the fixed network policy session; The connection is established, and the PCRF multiplexes the established first interworking policy session and modifies the session.
  • the UE when the UE accesses the fixed network, when the UE accesses the fixed network, the UE sends its own fixed network information to the BNG/BRAS when the fixed network authentication process and/or the local connection is established, and then, in the BNG.
  • the BNG/BRAS sends the fixed network information to the BPCF.
  • the UE sends its own fixed network information through the EPS authentication process.
  • the fixed network information is forwarded by the X-MAG to the P-GW, and then, when the P-GW establishes the IP-CAN session, the fixed network information is sent to the PCRF, between the PCRF and the BPCF.
  • the PCRF sends the fixed network information obtained by itself to the BPCF; the BPCF learns the first interworking policy session according to the fixed network information obtained from the PCRF and the fixed network information obtained from the UE itself.
  • the first interworking policy session is modified by the PCRF and the BPCF to re-establish the first interworking policy session.
  • the interworking policy session between the IP-CAN session and the BPCF and the PCRF is a many-to-one association relationship, and the interworking policy session and the fixed network policy session are in a one-to-one relationship.
  • Steps 501-523 same steps 401-423;
  • Step 524 A trigger is triggered by establishing a second IP-CAN session between the PCRF and the P-GW, and the PCRF finds an established session with the second IP-CAN according to the acquired fixed network information of the UE or the mobile network ID. Consistent first interworking policy session, and associating the second IP-CAN session to the first interworking policy session;
  • the PCRF determines whether the existing interworking policy session between itself and the BPCF conforms to the second IP-CAN session, and the determination method may specifically use the following four Any one or any combination of multiple:
  • the PCRF determines the fixed network ID of the UE in the first IP-CAN session and the second IP-CAN session Whether they are the same, the same is true, otherwise it does not meet;
  • the PCRF determines whether the IP address and the UDP port number of the fixed IP address of the UE or the fixed network IP address of the UE after NAT conversion are the same in the first IP-CAN session and the second IP-CAN session, and the same is true. Otherwise not met;
  • the PCRF determines whether the fixed network ID of the UE and the fixed network IP address of the UE or the fixed network IP address of the UE are NAT-transformed IP address and UDP port number in the first IP-CAN session and the second IP-CAN session Same, the same is true, otherwise it does not match;
  • the PCRF determines whether the fixed network ID and the access type of the UE are the same in the first IP-CAN session and the second IP-CAN session, and whether the access type is a fixed network access, if yes, then, otherwise, incompatible;
  • the PCRF initiates the modification process of the first interworking policy session, and delivers the relevant policy to the BPCF.
  • the BPCF updates the policy to the BNG/BRAS according to the actual situation, and the BNG/BR AS The updated policy performs the corresponding action.
  • Step 525 The user completes the establishment of the additional second PDN connection, establishes a data channel, and starts transmitting and receiving data packets.
  • two IP-CAN sessions corresponding to two PDN connections correspond to the first interworking policy session between the BPCF and the PCRF, and the first policy session between BPCF and PCRF, and BPCF and BNG/
  • the relationship between the fixed network policy sessions between the BRASs is the corresponding relationship.
  • the UE may further establish multiple PDN connections, such as a third PDN connection and a fourth PDN connection, by using the mode of steps 517-525, where each PDN connection corresponds to the same interworking policy session.
  • PDN connections such as a third PDN connection and a fourth PDN connection
  • the association mechanism between the interworking policy session and the fixed network policy session is the same as above.
  • the embodiment is applicable to a process for establishing an attached/added PDN connection when a UE accesses an EPS through a fixed network, where the fixed network is a trusted non-3GPP access of the EPS network. It includes various scenarios such as roaming and non-roaming.
  • the UE in the process of the UE accessing the fixed network, the UE sends its own fixed network information to the BNG/BRAS when the fixed network authentication process and/or the local connection is established, and then, in the BNG/BRAS and the BPCF.
  • the BNG/BRAS sends the fixed network information to the BPCF.
  • the UE In the process of attaching to the EPS, the UE sends its own fixed network information to the 3GPP AAA server through the EPS authentication process.
  • the P-GW is forwarded to the P-GW by the 3GPP AAA server.
  • the P-GW sends an IP-CAN session to the PCRF, establishes an interworking policy session between itself and the BPCF, and sends the fixed network information of the UE to the BPCF. Finally, the BPCF associates the interworking policy session between itself and the PCRF with the fixed network policy session between itself and the BNG/BRAS according to the fixed network information of the UE.
  • Step 607 The 3GPP HSS/AAA server receives the EAP-ID response message, obtains the fixed network information, and saves the information.
  • Step 608 which is the same as step 408;
  • Step 609 The X-MAG parses out the fixed network IP address IP-1 of the UE from the three-layer negotiation request, or obtains the IP address IP-1 obtained by the UE on the fixed network or the NAT converted from the IP packet header therein. IP address and UDP port number, and triggered by the Layer 3 negotiation request, the X-MAG acts as the mobile anchor gateway of the PMIPv6 tunnel to be established, sends a PBU message to the P-GW, requests the tunnel binding with the P-GW, and The PBU message carries the fixed network information acquired by the PBU, so that there is a correspondence between the fixed network information of the UE and the PMIPv6 tunnel to be established subsequently;
  • Step 610 The P-GW receives the PBU message, and the EPS network allocates an IP address IP-4 to the UE, and establishes a first IP-CAN session between the P-GW and the PCRF.
  • the establishment signaling of the first IP-CAN session includes the mobile network information of the UE.
  • the mobile network information includes: an IP address IP-4, a port number, a protocol type, and the like allocated by the EPS network to the UE.
  • the PCRF formulates a PCC policy according to the mobile network information sent by the P-GW.
  • Step 611 The P-GW sends an APN/P-GW identity pair to the 3GPP HSS/AAA server by using Diameter signaling, and the 3GPP HSS/AAA server stores the identifier of the P-GW, and returns a response message to the P-GW, where the response message is sent.
  • Step 612 the P-GW receives the response message returned by the 3GPP HSS/AAA server, parses out the fixed network information of the UE, and saves the first IP-CAN.
  • the session modification signaling sends the obtained UE fixed network information to the PCRF, and the PCRF receives the UE fixed network information and saves the information;
  • the method further includes: the PCRF modifying the PCC policy according to the acquired UE fixed network information, and sending the PCC policy to the P-GW.
  • the P-GW may perform step 611 first, and then perform step 610.
  • the P-GW may obtain the UE fixed network information obtained by itself, and the first IP-CAN session in step 610.
  • the establishment process is sent to the PCRF, and the PCRF can generate the PCC policy according to the fixed network information and the mobile network information sent by the P-GW to the UE, and then the step 612 is not needed.
  • Step 613 The P-GW returns a PBA message to the X-MAG, and carries an IP address IP-5 allocated by the EPS network to the UE.
  • Step 614 The X-MAG completes the Layer 3 negotiation with the UE, and sends the IP address IP-5 allocated to the UE to the UE.
  • Step 615 triggered by the establishment of the first IP-CAN session between the PCRF and the P-GW, the PCRF initiates the establishment of the first interworking policy session between itself and the BPCF, issues the relevant policy, and in the first interworking policy During the establishment of the session, the PCRF sends the UE fixed network information obtained from the P-GW to the BPCF; Step 616 to step 618, the same steps 415 to 417.
  • Step 619 The X-MAG parses out the fixed network IP address IP-1 of the UE or the IP address and UDP port number converted from the IP-1 by the IP address from the Layer 3 negotiation request, and is triggered by the Layer 3 negotiation request.
  • the X-MAG sends a PBU message to the P-GW, requests the tunnel binding with the P-GW, and carries the fixed network information acquired by the X-MAG in the PBU message.
  • the fixed network information of the UE and the subsequent PMIPv6 tunnel is established.
  • the P-GW to which the second PDN is connected may be the same as or different from the P-GW to which the first PDN is connected.
  • Step 620 The P-GW receives the PBU message, allocates an IP address IP-6 to the UE, and establishes a second IP-CAN session with the PCRF.
  • the PCRF formulates a PCC policy according to the mobile network information that the P-GW sends to its own UE.
  • the mobile network information includes: an IP address assigned by the EPS network to the UE, an IP address, a port number, a protocol type, and the like.
  • Step 621 The P-GW sends an APN/P-GW identity pair to the 3GPP HSS/AAA server through Diameter signaling, and the 3GPP HSS/AAA server stores the identifier of the P-GW, and returns a response message to the P-GW, the response message Carrying the fixed network information of the UE;
  • the 3GPP HSS/AAA server may not need to send the UE fixed network information to the P-GW.
  • Step 622 The P-GW receives the response message returned by the 3GPP HSS/AAA server, parses and fixes the fixed network information of the UE, and sends the fixed network information of the UE to the PCRF through the modification signaling of the second IP-CAN session. Receiving and saving the fixed network information of the UE;
  • the P-GW may perform step 621 first, and then perform step 620.
  • the P-GW obtains the fixed network of the UE in step 621.
  • the PCRF is sent to the PCRF, and the PCRF formulates the PCC policy according to the fixed network information and the mobile network information of the UE that the P-GW sends to the UE.
  • the step 622 is not required.
  • the PCRF may further modify the PCC policy according to the fixed network information of the UE and send the PPC to the P-GW.
  • the P-GW obtains the fixed network information of the UE from itself.
  • the P-GW of the current PDN connection is the same as the P-GW connected to the first PDN in this embodiment, the P-GW may not send the fixed network information of the UE to the second IP-CAN session.
  • the PCRF at this time, the PCRF can use the fixed network information of the UE obtained when the first IP-CAN session is established for the UE in this embodiment.
  • the first mobility policy of the first PDN connection and the second mobility policy of the second PDN connection in this embodiment are associated with the fixed network policy session in this embodiment, respectively, so that the BPCF can guide PCRF implements the same management of fixed network resources and EPS resources.
  • the UE may further establish multiple PDN connections, such as a third PDN connection and a fourth PDN connection, by using the mode of steps 618-627, and the corresponding interworking policy session in each PDN connection is as follows.
  • the association mechanism between the fixed network policy sessions is the same as above.
  • this embodiment is applicable to a process for establishing an attached and/or additional PDN connection when a UE accesses an EPS through a fixed network, where the fixed network serves as a trusted non-3GPP access of the EPS network, including roaming. , non-roaming and other scenarios.
  • the UE in the process of the UE accessing the fixed network, the UE sends its own fixed network information to the BNG/BRAS when the fixed network authentication process and/or the local connection is established, and then, in the BNG/BRAS and the BPCF.
  • the BNG/BRAS sends the fixed network information to
  • the UE sends its own fixed network information to the 3GPP HSS/AAA server through the EPS authentication process, and then forwards it to the P-GW by the 3GPP HSS/AAA server.
  • the P-GW is in the P-GW.
  • the first IP-CAN session When the first IP-CAN session is established, it is sent to the PCRF to establish an interworking policy session between itself and the BPCF, and the fixed network information of the UE is sent to the BPCF; the BPCF obtains the fixed network information obtained from the PCRF, and according to itself The fixed network information obtained by the UE associates the first interworking policy session with the fixed network policy session; when the nth IP-CAN session is established after the subsequent additional PDN connection, the PCRF and the BPCF reuse the established interworking policy session. And modify the established interworking policy session.
  • the interworking policy session between the IP-CAN session and the BPCF and the PCRF is a many-to-one association relationship, and the interworking policy session and the fixed network policy session are one-to-one association.
  • Steps 701-724 are the same as steps 601-624;
  • Steps 725-726 the same steps 524 to 525.
  • the above four embodiments of the present invention are directed to the use of the PMIPv6 protocol between the X-MAG and the P-GW, if the GPRS tunneling protocol (GTP) is used between the X-MAG and the P-GW.
  • GTP GPRS tunneling protocol
  • the method provided by the present invention is also applicable. Specifically, the specific process in the GTP protocol is implemented, and only the PBU message in each process is replaced with a session request message and a message. Replace with creating a session confirmation message.

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Abstract

La présente invention se rapporte à un procédé permettant une association de sessions de contrôle de politique. Le procédé comprend surtout les étapes suivantes : lorsqu'un équipement utilisateur (UE, User Equipment) a accès à un réseau téléphonique fixe, une session de politique de réseau téléphonique fixe est établie pour l'UE dans une fonction de contrôle de politique de forum haut débit (BPCF, Broadband forum Policy Control Function) et les informations de réseau téléphonique fixe de l'UE sont obtenues du réseau téléphonique fixe ; lorsque l'UE a accès à un réseau mobile par l'intermédiaire du réseau téléphonique fixe, une session de politique d'intercommunication est établie pour l'UE dans la fonction BPCF et les informations de réseau téléphonique fixe de l'UE sont obtenues du réseau mobile ; la fonction BPCF associe la session de politique de réseau téléphonique fixe à la session de politique d'intercommunication selon les informations de réseau téléphonique fixe de l'UE obtenues du réseau téléphonique fixe et du réseau mobile. La présente invention se rapporte également à un système permettant une association de sessions de contrôle de politique. En utilisant la présente invention, l'association de la session de contrôle de politique dans le réseau mobile et de la session de contrôle de politique dans le réseau téléphonique fixe est mise en œuvre, ce qui permet finalement la gestion uniforme des ressources du réseau téléphonique fixe et des ressources du réseau mobile par le contrôle de la fonction BPCF et l'exécution de la fonction de règles de politique et de facturation (PCRF, Policy and Charging Rules Function) et de l'entité d'exécution de la politique du réseau téléphonique fixe.
PCT/CN2011/077925 2010-08-16 2011-08-02 Procédé et système permettant une association de sessions de contrôle de politique WO2012022222A1 (fr)

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CN201010257578.7A CN102377749B (zh) 2010-08-16 2010-08-16 一种策略控制会话的关联方法及系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103369706A (zh) * 2012-03-26 2013-10-23 中兴通讯股份有限公司 策略会话的建立方法及系统
CN103369626A (zh) * 2012-04-09 2013-10-23 中兴通讯股份有限公司 一种融合网络中的策略控制方法及系统
CN103379177B (zh) * 2012-04-13 2017-11-10 中兴通讯股份有限公司 地址分配方法及装置
CN103458468B (zh) * 2012-05-31 2016-12-14 华为终端有限公司 一种承载资源修改的方法及设备
CN102695155B (zh) * 2012-06-13 2016-06-15 华为技术有限公司 计费控制方法与装置
CN103582023B (zh) * 2012-08-03 2018-10-23 中兴通讯股份有限公司 接纳控制方法及系统
CN103813409A (zh) * 2012-11-08 2014-05-21 中兴通讯股份有限公司 固网移动融合的策略控制方法、装置及系统
US10484273B2 (en) 2015-08-05 2019-11-19 Microsoft Technology Licensing, Llc Notification for a prioritized media path for a communication session
CN111756592B (zh) * 2019-03-28 2022-03-08 中国移动通信有限公司研究院 一种策略处理方法及实体

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1874328A (zh) * 2006-03-03 2006-12-06 华为技术有限公司 实现业务互通的方法及系统
CN1993947A (zh) * 2004-07-30 2007-07-04 艾利森电话股份有限公司 在混合电信网络中提供相关手段的方法及装置
CN101299868A (zh) * 2007-04-30 2008-11-05 上海贝尔阿尔卡特股份有限公司 固定接入网中支持用户终端进行网络接入的方法和装置
CN101345994A (zh) * 2007-07-12 2009-01-14 华为技术有限公司 跨网络的用户信息获取方法及功能实体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1993947A (zh) * 2004-07-30 2007-07-04 艾利森电话股份有限公司 在混合电信网络中提供相关手段的方法及装置
CN1874328A (zh) * 2006-03-03 2006-12-06 华为技术有限公司 实现业务互通的方法及系统
CN101299868A (zh) * 2007-04-30 2008-11-05 上海贝尔阿尔卡特股份有限公司 固定接入网中支持用户终端进行网络接入的方法和装置
CN101345994A (zh) * 2007-07-12 2009-01-14 华为技术有限公司 跨网络的用户信息获取方法及功能实体

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