WO2019205952A1 - Procédé et appareil de traitement d'informations - Google Patents

Procédé et appareil de traitement d'informations Download PDF

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Publication number
WO2019205952A1
WO2019205952A1 PCT/CN2019/082316 CN2019082316W WO2019205952A1 WO 2019205952 A1 WO2019205952 A1 WO 2019205952A1 CN 2019082316 W CN2019082316 W CN 2019082316W WO 2019205952 A1 WO2019205952 A1 WO 2019205952A1
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WIPO (PCT)
Prior art keywords
terminal
information
message
access
address
Prior art date
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PCT/CN2019/082316
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English (en)
Chinese (zh)
Inventor
李汉成
周汉
于游洋
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华为技术有限公司
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Publication of WO2019205952A1 publication Critical patent/WO2019205952A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2854—Wide area networks, e.g. public data networks
    • H04L12/2856—Access arrangements, e.g. Internet access
    • H04L12/2858—Access network architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2854—Wide area networks, e.g. public data networks
    • H04L12/2856—Access arrangements, e.g. Internet access
    • H04L12/2869—Operational details of access network equipments
    • H04L12/2878—Access multiplexer, e.g. DSLAM
    • H04L12/2887—Access multiplexer, e.g. DSLAM characterised by the offered subscriber services
    • H04L12/2889—Multiservice, e.g. MSAN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management

Definitions

  • the embodiments of the present application relate to the field of communications technologies, and in particular, to an information processing method and apparatus.
  • an access network usually includes an access network element of a fixed network
  • the core network usually includes a core network element of the mobile network
  • the data is transmitted in the access network element using a fixed network session.
  • the mobile network session is transmitted in the core network element.
  • it is not related to how to create a session in a fixed-mobile network.
  • An embodiment of the present application provides an information processing method and apparatus for implementing mapping between an access network session and a mobile network session.
  • the first aspect provides an information processing method, where the method includes: the access gateway receives the first message sent by the core network device, where the first message includes the access network session information, where the first message may be an N2 session creation request message.
  • the access network may be an access network of a fixed network or an access network that transmits data through an Ethernet encapsulation.
  • the access network session information includes at least one of the following information: an Internet Protocol IP address of the terminal, and an IP address acquisition.
  • the indication information of the mode, the user packet information from the terminal, and the user message information includes at least one of the following: a virtual local area network VLAN identifier, a number of VLAN tags, a media access control MAC address of the terminal, a VLAN identifier, and a Combination information of the MAC address; the access gateway maps the access network session and the mobile network session corresponding to the terminal according to the access network session information (for example, mapping the access network session corresponding to the terminal to the mobile network session, or The mobile network session corresponding to the terminal is mapped to the access network session).
  • the access gateway can implement mapping between the access network session and the mobile network session, and can map according to different information, thereby improving the performance of the communication system.
  • the first message when the access network session information includes the IP address of the terminal and/or the indication information of the IP address acquisition mode, the first message further includes the MAC address of the terminal.
  • the MAC address of the terminal is carried by the first message, so that the access gateway does not need to obtain other signaling, which reduces signaling interaction between the network elements.
  • the first message when the access network session information includes the IP address of the terminal, the first message further includes a non-access stratum NAS message, where the NAS message includes a MAC address of the access gateway.
  • the MAC address of the access gateway is carried by the NAS message to the terminal, so that the terminal does not need to obtain other signaling, which reduces the signaling interaction between the network elements.
  • the terminal when the terminal sends the uplink data packet, the terminal can directly use the MAC address of the access gateway carried in the NAS message as the destination MAC address of the uplink data packet.
  • the method further includes: the access gateway performs verification on the data packet and/or the address resolution protocol ARP request message according to the IP address of the terminal and the MAC address of the terminal. .
  • the security of the data transmission and related information can be ensured by verifying the data packet and/or the address resolution protocol ARP request message, and the data packet can be an uplink data packet.
  • the method further includes: the access gateway is configured to discard the ARP request message from the address resolution protocol of the terminal.
  • the access gateway may discard the ARP request message sent by the terminal when the terminal has obtained the MAC address of the access gateway by using other methods, so that the signaling interaction between the network elements may be reduced.
  • the method further includes: the access gateway sending the second message to the access resource management network element, where The two messages include indication information of the manner in which the IP address is obtained.
  • the access resource management network element may be configured to instruct other network elements to obtain an IP address of the terminal according to the indication information.
  • the second message further includes a MAC address of the terminal.
  • the second message of the MAC address of the terminal is carried by the second message, so that the access resource management network element does not need to obtain other signaling, which reduces signaling interaction between the network elements.
  • the access gateway when the access network session information includes the user packet information, the access gateway performs the access network session and the mobile network session corresponding to the terminal according to the access network session information.
  • the mapping includes: the access gateway sends the user packet information to the access resource management network element; the access gateway receives the mapping information sent by the access resource management network element, where the mapping information includes a mapping rule; the access gateway according to the mapping rule The access network session corresponding to the terminal is mapped with the mobile network session.
  • the access gateway may obtain a mapping rule according to the user packet information, and then implement mapping between the access network session and the mobile network session according to the mapping rule.
  • a second aspect provides an information processing method, where the method includes: a core network device receives a session request message from a terminal; and the core network device sends a first message to the access gateway, where the first message includes access network session information, and the access
  • the network session information includes at least one of the following information: an Internet Protocol IP address of the terminal, indication information of the IP address acquisition mode, and user message information from the terminal, and the user message information includes at least one of the following: a virtual local area network VLAN The combination information of the identifier, the number of VLAN tags, the medium access control MAC address of the terminal, the VLAN identifier, and the MAC address of the terminal.
  • the core network device sends a first message to the access gateway, so that the access gateway can implement mapping between the access network session and the mobile network session according to the access network session information included in the first message, and can be configured according to Different information is mapped to improve the performance of the communication system.
  • the first message when the access network session information includes the IP address of the terminal and/or the indication information of the IP address acquisition mode, the first message further includes the MAC address of the terminal.
  • the MAC address of the terminal is carried by the first message, so that the access gateway does not need to obtain other signaling, which reduces signaling interaction between the network elements.
  • the first message when the access network session information includes the IP address of the terminal, the first message further includes a non-access stratum NAS message, where the NAS message includes a MAC address of the access gateway.
  • the MAC address of the access gateway is carried by the NAS message to the terminal, so that the terminal does not need to obtain other signaling, which reduces the signaling interaction between the network elements.
  • the session request message includes user message information; or the core network device obtains user message information from the authentication and authorization accounting server.
  • the diversity and flexibility of the core network device to obtain user packets are improved.
  • the third aspect provides an information processing method, where the method includes: the terminal sends the user packet information to the core network device, where the user packet information includes at least one of the following: a virtual local area network VLAN identifier, a number of VLAN tags, and the terminal The medium access control MAC address, the combination of the VLAN identifier and the MAC address of the terminal.
  • the terminal sends the user packet information to the core network device, so that the core network device sends the user packet information to the access gateway, so that the access gateway can receive the user packet information according to the user packet information.
  • Implement mapping between access network sessions and mobile network sessions are examples of access network sessions.
  • the method further includes: receiving, by the terminal, a MAC address of the access gateway sent by the core network device, where the MAC address of the access gateway may be carried by the NAS message.
  • the MAC address of the access gateway received by the terminal may be carried in the NAS message, so that the terminal does not need to obtain other signaling, which reduces signaling interaction between the network elements.
  • the terminal can use the MAC address carried by the NAS message as the destination MAC address of the uplink data packet.
  • the method further includes: the terminal discarding an address resolution protocol ARP request message from the access gateway.
  • the terminal may discard the ARP request message sent by the access gateway, thereby reducing signaling interaction between the network elements.
  • an information processing apparatus which is used as an access gateway for implementing the functions of the information processing method provided by any one of the possible implementations of the first aspect to the first aspect.
  • the functions can be implemented in hardware or in hardware by executing the corresponding software.
  • the hardware or software includes one or more corresponding units of the above functions.
  • the information processing apparatus includes a processor, a memory, a communication interface, and a bus, where the processor, the memory, and the communication interface are connected by a bus, and the memory is used to store the program code and communicate.
  • the interface is configured to support the information processing device for communication.
  • the information processing device is configured to: receive the first message sent by the core network device, where the first message includes the access network session information, and the interface
  • the network access session information includes at least one of the following information: an Internet Protocol IP address of the terminal, an indication of the IP address acquisition mode, and user packet information from the terminal, and the user message information includes at least one of the following: a virtual local area network The combination of the VLAN identifier, the number of VLAN tags, the medium access control MAC address of the terminal, the VLAN identifier, and the MAC address of the terminal; and the access network session and the mobile network session corresponding to the terminal according to the access network session information Mapping.
  • the first message when the access network session information includes the IP address of the terminal and/or the indication information of the IP address acquisition mode, the first message further includes the MAC address of the terminal.
  • the first message when the access network session information includes the IP address of the terminal, the first message further includes a non-access stratum NAS message, where the NAS message includes a MAC address of the access gateway.
  • the MAC address of the access gateway carried in the NAS message is used by the terminal to send the destination MAC address of the uplink data packet.
  • the information processing apparatus further performs the step of: authenticating the data packet and/or the address resolution protocol ARP request message according to the IP address of the terminal and the MAC address of the terminal Test.
  • the information processing apparatus further performs the step of: the access gateway discarding the address resolution protocol ARP request message from the terminal.
  • the information processing apparatus when the access network session information includes the indication information of the IP address acquisition mode, the information processing apparatus further performs the following steps: sending the second message to the access resource management network element, The second message includes indication information of an IP address acquisition mode.
  • the second message further includes a MAC address of the terminal.
  • the information processing apparatus when the access network session information includes user message information, the information processing apparatus further performs the step of: transmitting user message information from the terminal to the access resource management network element. And receiving the mapping information sent by the access resource management network element, where the mapping information includes a mapping rule; and mapping the access network session and the mobile network session corresponding to the terminal according to the mapping rule.
  • an information processing apparatus which is used as a core network device for implementing the functions of the information processing method provided by any of the possible implementations of the second aspect to the second aspect.
  • the functions can be implemented in hardware or in hardware by executing the corresponding software.
  • the hardware or software includes one or more corresponding units of the above functions.
  • the information processing apparatus includes a processor, a memory, a communication interface, and a bus, where the processor, the memory, and the communication interface are connected by a bus, and the memory is used to store the program code and communicate.
  • the interface is configured to support the information processing device for communication.
  • the information processing device is configured to: receive a session request message from the terminal, and send a first message to the access gateway, where the first message includes Access network session information, the access network session information includes at least one of the following information: an Internet Protocol IP address of the terminal, an indication of an IP address acquisition mode, and user packet information from the terminal, and the user message information includes the following: At least one of: a virtual local area network VLAN identifier, a number of VLAN tags, a medium access control MAC address of the terminal, a combination of a VLAN identifier and a MAC address of the terminal.
  • the access network session information includes at least one of the following information: an Internet Protocol IP address of the terminal, an indication of an IP address acquisition mode, and user packet information from the terminal
  • the user message information includes the following: At least one of: a virtual local area network VLAN identifier, a number of VLAN tags, a medium access control MAC address of the terminal, a combination of a VLAN identifier and a MAC address of the terminal
  • the first message when the access network session information includes the IP address of the terminal and/or the indication information of the IP address acquisition mode, the first message further includes the MAC address of the terminal.
  • the first message when the access network session information includes the IP address of the terminal, the first message further includes a non-access stratum NAS message, where the NAS message includes a MAC address of the access gateway.
  • the session request message includes user message information; or the information processing device further performs the step of: acquiring user message information from the authentication authorization charging server.
  • an information processing apparatus as a terminal for implementing the functions of the information processing method provided by any of the possible implementations of the third aspect to the third aspect.
  • the functions can be implemented in hardware or in hardware by executing the corresponding software.
  • the hardware or software includes one or more corresponding units of the above functions.
  • the information processing apparatus includes a processor, a memory, a communication interface, and a bus, where the processor, the memory, and the communication interface are connected by a bus, and the memory is used to store the program code and communicate.
  • the interface is configured to support the information processing device for communication.
  • the information processing device is configured to perform the following steps: sending user message information to the core network device, where the user message information includes at least one of the following: The combination of the virtual local area network VLAN identifier, the number of VLAN tags, the medium access control MAC address of the terminal, the VLAN identifier, and the MAC address of the terminal.
  • the information processing apparatus further performs the step of: receiving a MAC address of the access gateway sent by the core network device, where the MAC address of the access gateway can be carried by the NAS message. Further, when the information processing apparatus sends the uplink data packet, the information processing apparatus can use the MAC address carried by the NAS message as the destination MAC address of the uplink data packet.
  • the information processing apparatus further performs the step of discarding an address resolution protocol ARP request message from the access gateway.
  • a seventh aspect a computer readable storage medium having stored therein a computer program or instructions for performing any of the above first aspect or the first aspect when the computer program or instructions are executed The information processing method provided by the implementation.
  • a computer readable storage medium wherein a computer program or instructions are stored, and when the computer program or instructions are executed, performing any of the foregoing second aspect or the second aspect The information processing method provided by the implementation.
  • a ninth aspect a computer readable storage medium storing a computer program or an instruction, when the computer program or the instruction is executed, performing any one of the foregoing third aspect or the third aspect The information processing method provided by the implementation.
  • a computer program product comprising a computer program or instruction for performing the information provided by any of the above first aspect or any of the possible implementations of the first aspect when the computer program or instruction is executed Approach.
  • a computer program product comprises a computer program or instructions for performing any of the possible implementations of the second aspect or the second aspect described above when the computer program or instructions are executed The information processing method provided by the method.
  • a computer program product characterized in that the computer program product comprises a computer program or instruction, and when the computer program or instruction is executed, performing any of the above-mentioned third or third aspects of possible implementation The information processing method provided by the method.
  • a communication system comprising an access gateway, a core network device, and a terminal.
  • the access gateway may be the access gateway provided by the foregoing aspects, and is used to support the access gateway to perform the information processing method provided by any of the foregoing first aspect or any possible implementation manner of the first aspect; and/or
  • the core network device is the core network device provided by the foregoing aspects, and is configured to support the core network device to perform the information processing method provided by any one of the foregoing second aspect or the second aspect; and/or the terminal
  • the terminal provided in the foregoing aspects is used to support the terminal to perform the information processing method provided by any one of the foregoing third aspect or the third aspect.
  • FIG. 1 is a schematic structural diagram of a solid-mobile convergence network according to an embodiment of the present disclosure
  • FIG. 2 is a schematic flowchart 1 of an information processing method according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of conversion of VLAN information according to an embodiment of the present disclosure
  • FIG. 4 is a second schematic flowchart of an information processing method according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic flowchart 3 of an information processing method according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic flowchart 4 of an information processing method according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic flowchart 5 of an information processing method according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic flowchart 6 of an information processing method according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram 1 of an information processing apparatus according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram 2 of an information processing apparatus according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram 3 of an information processing apparatus according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram 4 of an information processing apparatus according to an embodiment of the present disclosure.
  • a converged network of fixed networks and global system of mobile communication (GSM) systems a converged network of fixed networks and code division multiple access (CDMA) systems, fixed networks and wideband code division multiple access (wideband code division multiple access (WCDMA) system convergence network, fixed network and general packet radio service (GPRS) converged network, fixed network and long term evolution (LTE) system convergence network, Converged network of fixed network and LTE frequency division duplex (FDD) system, converged network of fixed network and LTE time division duplex (TDD) system, fixed network and universal mobile telecommunication system (universal mobile telecommunication system) Converged network of system, UMTS), converged network of fixed network and 5G communication system, and converged network of fixed network and subsequent evolved mobile communication system.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • FDD frequency division duplex
  • TDD time division duplex
  • the embodiment of the present application is also applicable to a communication system that is composed of other types of access networks and a core network.
  • other types of access networks may be access networks that use Ethernet to transmit data. Be applicable.
  • the converged network includes a fixed network access network, a 5G core network, and a data network (DN) connected to the 5G core network.
  • the fixed network access network may include an access device, an access node (AN), and an access gateway function (AGF) network element.
  • the access device includes: a resident gateway (RG) or a fixed network terminal device.
  • the AGF may include an AGF control plane (AGF-CP) function and an AGF user plane (AGF-UP).
  • the access device may be a server, a router, a switch, a bridge, a computer, a user equipment, a terminal, a terminal device, a set top box (STB), etc., and is referred to as a terminal in the embodiment of the present application.
  • a terminal in the embodiment of the present application.
  • the embodiments in the present application are collectively referred to as an access point.
  • the 5G core network may include a control plane (CP) network element and a user plane (UP) network element.
  • the CP network element may be used to send a packet forwarding policy and a QoS control policy to the user plane.
  • the element can be used to be responsible for packet data forwarding, QoS control, and charging information.
  • the CP network element may include: an access and mobility management function (AMF) network element, a session management function (SMF) network element, and an authentication server function (AUSF).
  • the UP network element may include a user plane function (UPF) network element.
  • the AMF can be used to manage the access management function of the terminal; the SMF can be used to manage the creation and deletion of user protocol data unit (PDU) sessions, maintain the PDU session context and user plane forwarding pipe information, etc.;
  • the user can perform authentication; the UDM can be used to manage user subscription information; the PCF can be used to generate a policy for the user to establish a PDU session; and the UPF can be used to provide user plane services for the user's PDU session, which is an interface gateway between the operator network and the external network.
  • PDU user protocol data unit
  • the terminal communicates with the AMF network element through the N1' interface
  • the AGF-CP communicates with the AMF network element through the N2' interface
  • the AGF-UP communicates with the UPF network element through the N3' interface
  • the UPF network element communicates with the SMF network element through the N4' interface.
  • the UPF network element communicates with the DN through the N6 interface.
  • the SMF network element communicates with the PCF network element through the N7 interface.
  • the AMF network element communicates with the UDM network element through the N8 interface.
  • the UPF network element communicates with other UPF network elements through the N9 interface.
  • the AMF communicates with the UDM network element through the N10 interface, the AMF network element communicates with the SMF network element through the N11 interface, the AMF network element communicates with the AUSF network element through the N12 interface, and the AMF network element communicates with other AMF network elements through the N14 interface, and the AMF network element Communicate with the PCF network element through the N15 interface.
  • the N1' interface, the N2' interface N3', and the N4' interface in FIG. 1 may respectively correspond to the N1 interface, the N2 interface, the N3 interface, and the N4 interface in the 5G communication system.
  • the name of the interface between the network elements is only an example.
  • the interface name may be other names in the specific implementation, which is not specifically limited in this embodiment.
  • the network architecture and the application scenarios described in the embodiments of the present application are for the purpose of more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute a limitation of the technical solutions provided by the embodiments of the present application.
  • the technical solutions provided by the embodiments of the present application are equally applicable to similar technical problems in the evolution of the architecture and the appearance of new application scenarios.
  • the data transmission channel between the terminal and the user plane network element may include a first data transmission channel and a second data transmission channel, where the first data transmission channel may refer to the terminal and the access
  • the data transmission channel between the gateways, the second data transmission channel may refer to a data transmission channel between the access gateway and the user plane network element.
  • the first data transmission channel may also be referred to as an access network session, and the second data transmission may also be referred to as a mobile network session.
  • FIG. 2 is a schematic flowchart of an information processing method according to an embodiment of the present application. Referring to FIG. 2, the method includes the following steps.
  • the core network device sends a first message to the access gateway, where the first message includes the access network session information.
  • the access network session information includes at least one of the following information: an Internet Protocol IP address of the terminal, indication information of an IP address acquisition mode, and user message information from the terminal.
  • the user message information includes at least one of the following: a virtual local area network (VLAN) identifier, a number of VLAN tags, a media access control (MAC) address of the terminal, a VLAN identifier, and a MAC of the terminal.
  • VLAN virtual local area network
  • MAC media access control
  • the access gateway receives the first message sent by the core network device.
  • the first message in S201 is consistent with the first message in S202. For details, refer to the following description.
  • the IP address of the terminal may be an IPv4 address or an IPv6 address.
  • the indication information of the IP address acquisition mode may be used to indicate the IP address of the terminal, and the obtaining manner may include: acquiring the IP address of the terminal by using a non-access stratum (NAS) message/signaling, or Obtain the IP address of the terminal through the dynamic host configuration protocol (DHCP), obtain the IP address of the terminal through DHCPv6, or obtain the IP address of the terminal through the stateless address allocation protocol, or through other protocols or methods.
  • NAS non-access stratum
  • DHCP dynamic host configuration protocol
  • the IP address of the terminal and the like are obtained, which is not specifically limited in this embodiment of the present application.
  • the VLAN ID is used to identify the VLAN where the terminal is located.
  • the VLAN tag may include a server tag (s-tag) and a user tag (c-tag), and the number of VLAN tags included in the user message information from the terminal may be 0, 1, or 2.
  • the MAC address of the terminal may be a MAC address table, that is, the terminal includes multiple MAC addresses, such as MAC1, MAC2, MAC3, and the like.
  • the combination information of the VLAN identifier and the MAC address of the terminal includes the MAC address and VLAN information of the terminal corresponding to the access network session, and the combined information may also be a MAC-VLAN table, that is, the case where the terminal includes multiple MAC addresses.
  • the combined information includes multiple MAC-VLAN information, such as (MAC1, VLAN1), (MAC1, VLAN2), (MAC2, VLAN2), and the like.
  • the access network session information includes the IP address of the terminal, that is, the first message includes the IP address of the terminal, and the access gateway can parse the IP address of the terminal from the first message.
  • the message may be used to implicitly indicate that the IP address of the terminal is obtained by using the NAS message, that is, the access gateway may determine that the IP address of the terminal is obtained through the NAS according to the access network session information including the IP address of the terminal.
  • the access network session information includes the indication information of the IP address acquisition mode, that is, the first message directly includes information for explicitly indicating the IP address acquisition mode of the terminal, so that the access gateway receives the first message,
  • the IP address of the terminal can be obtained according to the corresponding IP address obtaining manner.
  • the access network session information includes user packet information, and specifically includes one or more of a VLAN identifier, a number of VLAN tags, a MAC address of the terminal, and a combination of a VLAN identifier and a MAC address of the terminal.
  • the access network session information includes two or all of the IP address of the terminal, the indication information of the IP address acquisition mode, and the user message information.
  • the first message may further include the MAC address of the terminal, that is, the core network device sends the terminal by using the first message.
  • the MAC address is sent to the access gateway, and the access gateway can record the MAC address of the terminal.
  • the first message may further include a NAS message, where the NAS message includes an IP address of the terminal and a MAC address of the access gateway, and the access gateway is receiving
  • the NAS message may not be parsed, but the NAS message is sent to the terminal, so that the terminal obtains its IP address through the NAS message, and also obtains the MAC address of the access gateway, and the terminal may Record the MAC address of the access gateway.
  • the access network session information and the NAS message can be regarded as two pieces of information juxtaposed in the first message.
  • the core network device may be an SMF network element
  • the access gateway may be an AGF network element
  • the first message may be an N2 session creation request message, for example, the convergence network shown in FIG.
  • the access network session information is the fixed network session information.
  • the terminal may send a PDU session establishment request to the AGF.
  • the AGF sends a PDU session setup request to the SMF.
  • the MAC address of the terminal may be carried in the PDU session request.
  • the SMF may send an N2 session creation request message to the AGF.
  • the N2 session creation request message may include a session type, an IP address of the terminal, and a NAS message.
  • the N2 session creation request message further includes the terminal MAC address
  • the NAS message may further include a MAC address of the AGF.
  • the access gateway maps the access network session and the mobile network session corresponding to the terminal according to the access network session information.
  • the access gateway may map the access network session corresponding to the terminal to its corresponding mobile network session according to the access network session information, or the mobile network session corresponding to the terminal.
  • the mapping is in its corresponding access network session.
  • the access gateway When the access network session information includes different information, the access gateway performs mapping process on the access network session and the mobile network session corresponding to the access network according to the access network session information, and details are respectively performed below. description.
  • the access gateway maps the access network session and the mobile network session corresponding to the terminal by using the IP address of the terminal.
  • the access gateway may determine, according to the IP address of the terminal, a transmission tunnel corresponding to the IP address of the terminal in the core network, and The part of the uplink data packet, or the complete uplink data packet, or the modified uplink data packet is encapsulated in the transmission tunnel.
  • the transmission tunnel may be (GPRS tunneling protocol for the user plane, GTP-U); Then, the access gateway can send the modified uplink data packet to the user plane network element of the core network.
  • the access gateway may decapsulate the downlink data packet (for example, GTP-U decapsulation), and determine and The access network session corresponding to the IP address of the terminal is used to modify or add an access network packet header for the decapsulated downlink data packet, and the MAC address of the terminal is used as the destination MAC address, and the MAC address of the access gateway is used as the MAC address of the access gateway.
  • the source MAC address is sent to the terminal after the access gateway adds the downlink data packet of the access network header.
  • the access gateway when the access network session information includes the indication information of the IP address acquisition mode, acquires the IP address of the terminal according to the IP address acquisition mode, and performs session mapping according to the IP address of the terminal.
  • the access gateway may monitor the IP address of the terminal according to the IP address acquisition manner indicated by the indication information, and then map the access network session and the mobile network session corresponding to the terminal according to the first manner. For example, when the IP address is obtained through DHCP, the access gateway can listen to the DHCP packet, obtain the IP address of the terminal from the DHCP packet, and then access the terminal according to the first method. Network sessions and mobile network sessions are mapped.
  • the access gateway maps the access network session corresponding to the terminal in its corresponding mobile network session by using the user message information.
  • the access gateway may send the user packet information to the access resource management network element (ACRF).
  • ACRF access resource management network element
  • the access resource management network element may access the information.
  • the gateway sends the mapping information, where the mapping information includes a mapping rule, and the mapping information may be obtained by the access resource management network element according to the user message information from the terminal. Then, when the access gateway receives the mapping information, the access gateway may map the access network session corresponding to the terminal in its corresponding mobile network session according to the mapping rule included in the mapping information.
  • the access resource management network element may further generate a mapping relationship between the access network session and the mobile network session, and send the mapping relationship together with the mapping rule to the access point (AN) and the access gateway (AGF).
  • the mapping rule and mapping relationship can be saved locally by the access point and the access gateway.
  • the access gateway may forward the uplink data packet from the terminal to the corresponding mobile network session according to the mapping relationship and the mapping rule; correspondingly, when the access gateway receives the received data packet, The downlink data packet from the user plane network element can be forwarded to the corresponding access network session according to the mapping relationship and the mapping rule.
  • the VLAN ID of the terminal reported in the user packet information is VLAN 1 (or the VLAN ID obtained from the AAA server is VLAN 1), and the number of VLAN tags can be 0 (ie, untag). , 1 (ie c-tag), or 2 (ie s-tag+c-tag).
  • the VLAN ID of the uplink data packet sent by the access gateway to the access point is VLAN 2
  • the VLAN 2 is the VLAN identifier of the VLAN tag in the uplink data packet sent by the access point (AN).
  • the number of tags may be 1 (ie, c-tag'), or 2 (ie, s-tag'+c-tag').
  • the mapping rule corresponding to the access gateway is that the uplink data packet of VLAN 2 corresponds to the mobile. Network session PDU1, and replace VLAN 2 with VLAN1 when forwarding upstream data packets to the mobile network.
  • the access gateway may query the mapping rule according to the VLAN 2, determine the corresponding mobile network session, and replace the VLAN 2 in the uplink data packet with the VLAN 1, and then replace the uplink.
  • the data message is forwarded to the corresponding mobile network session (eg, PDU1).
  • the mapping rule of the fixed session and the mobile network session may be as shown in the following Table 1.
  • the number of the VLAN tag or the number of the included VLAN tags in the uplink data packet sent by the terminal in Table 1 is 0.
  • mapping 1 or 2 mapping the access network session to the mapping rule of the corresponding mobile network session is illustrated.
  • VLAN identification VLAN information
  • N 1 indicates the access network.
  • VLAN ID VLAN information
  • MAC refers to the MAC address of the terminal.
  • mapping rule for mapping the mobile network session to the access network session may be opposite to the operation of Table 1 above.
  • the VLAN identifier and the session mapping condition are 1:1, and when the AGF receives the user plane network element, When the GTP-U encapsulates the data packet, the AGF policy is: GTP-U decapsulation of the data packet, and the access network session is encapsulated by the VLAN identifier of the access network session; the AN policy is: data packet
  • the VLAN ID of the intermediate access network session is translated into the user's VLAN ID.
  • the access gateway may enable an address resolution protocol (ARP) proxy function.
  • ARP address resolution protocol
  • the access gateway enables the ARP proxy function, which means that when the access gateway receives the ARP information of the address requested by the terminal, the ARP proxy responds to the MAC address of the access gateway.
  • the access gateway is enabled with DHCP snooping. It can be used by the access gateway to start listening for DHCP messages.
  • the access gateway may further send a second message to the access resource management network element after receiving the first message,
  • the second message includes the indication information of the IP address acquisition mode, so that when the access resource management network element receives the second message, the access resource management network element instructs the access point (AN) to enable the corresponding function.
  • the second message further includes a MAC address of the terminal, so that the access resource management network element obtains the MAC address of the terminal from the second message.
  • the access network session information includes the IP address of the terminal and/or the indication information of the IP address acquisition mode
  • the first message further includes the MAC address of the terminal, refer to FIG. 4, before the access gateway performs session mapping. (ie, before executing S203), the method further includes: S203a.
  • the access gateway verifies the data packet and/or the ARP request message according to the IP address of the terminal and the MAC address of the terminal.
  • the data packet may be an uplink data packet sent by the terminal to the access gateway, or may be a downlink data packet, where the data packet is mainly used for verifying the uplink data packet.
  • the uplink data packet may include an IP address of the terminal and a MAC address of the terminal.
  • the access gateway may verify the IP address of the terminal included in the first message and the MAC address of the terminal, and the terminal included in the uplink data packet.
  • the IP address is the same as the MAC address of the terminal. If the checksum is passed, the access gateway may send the uplink data packet to the core network; if the inconsistency check fails, the access gateway may discard the uplink data packet.
  • the ARP request message may be a message sent by the terminal to the access gateway for requesting the MAC address of the access gateway.
  • the ARP request message may include the IP address of the terminal and the MAC address of the terminal.
  • the access gateway may verify the terminal included in the first message. The IP address and the MAC address of the terminal are consistent with the IP address of the terminal included in the ARP request message and the MAC address of the terminal. If the consistency check is passed, the access gateway may respond to the ARP request message, that is, the MAC address of the access gateway is sent to the terminal; if the inconsistency check fails, the access gateway does not respond to the ARP request message.
  • the terminal may not send an ARP request message to the access gateway.
  • the access gateway may also send an ARP request message for requesting the MAC address of the terminal to the terminal.
  • the terminal is Upon receiving the ARP request message, the terminal may discard the ARP request message, that is, the terminal may not respond to the ARP request message.
  • the core network device can obtain the user packet information in the following two manners. Referring to FIG. 2, referring to FIG. 5, the method further includes: S200a or S200b.
  • S200a The core network device receives a session creation request message sent by the terminal, where the session creation request message includes user message information.
  • the terminal may send a session creation request message to the core network device through the access gateway, and carry the user message information in the session creation request message, so that the core network device receives the user message information.
  • the terminal may send a PDU session creation request to the AGF, where the PDU session creation request carries user message information, and the AGF sends the PDU session creation request to the SMF when receiving the PDU session creation request.
  • the PDU session request information, the SMF parses the received PDU session request information, and obtains user message information.
  • the core network device obtains user packet information from the authentication and authorization accounting server.
  • the authentication authorization account (AAA) server is a server capable of processing user access requests, providing authentication authorization and account services.
  • the main purpose is to manage user access to the network server and provide access to users with access rights. service.
  • the core network device may directly or indirectly send a request to the AAA server; correspondingly, when the AAA server receives the request, the AAA server sends the user packet information to the core through the corresponding path.
  • the network device enables the core network device to obtain user packet information.
  • the core network device is an SMF.
  • the SMF may directly send a request to the AAA server, or indirectly send a request to the AAA server through the UPF; when the AAA server receives the request directly sent by the SMF, the AAA server may directly send the user message information to the SMF, and when the AAA server receives the SMF, When the request is sent indirectly, the AAA server can send the user message information to the SMF through the UPF, so that the SMF obtains the user message information.
  • the first message sent by the core network device to the access network includes the IP address of the terminal, the indication information of the IP address acquisition mode, and the user packet information.
  • the core network device is an SMF
  • the access gateway is an AGF
  • the terminal is an RG
  • the first message is an N2 session creation request
  • the access network session information is fixed network session information.
  • Example 1 The first message includes the IP address of the terminal. Referring to FIG. 6, the method may include the following steps.
  • the RG sends a PDU session creation request.
  • the PDU session creation request includes a MAC address used by the terminal.
  • S602 The AGF sends a PDU session creation request to the SMF.
  • the PDU session creation request includes a MAC address used by the terminal.
  • the SMF sends an N2 session creation request to the AGF, where the request includes an IP address of the terminal.
  • the MAC address used by the terminal is also included.
  • the request carries the NAS message that is delivered to the RG.
  • the NAS message includes the MAC address used by the AGF.
  • the MAC address of the AGF can be obtained through configuration, or sent by the AGF to the core network in other messages. Control surface).
  • S605 The AGF saves the IP address of the terminal.
  • the MAC address used by the terminal is saved (executed in case S604 sends the MAC address of the terminal). Further, in the case that the MAC address used by the terminal is saved, the AGF may subsequently discard the ARP request message from the terminal in the session or check the ARP request message sent by the terminal.
  • the mapping information of the fixed network session and the PDU session on the AGF may be mapped to the PDU session by using the IP address of the terminal or by using user message information.
  • S607 The AGF sends a session creation complete message to the RG.
  • the session creation complete message includes the MAC address of the AGF.
  • the RG saves the MAC address of the AGF (executed in the case where the MAC address of the AGF is sent in S607).
  • the RG can use the MAC address of the AGF as the destination MAC address of the uplink data packet, and can obtain the MAC address of the AGF without using the ARP request message.
  • S609 Verify the uplink and downlink data.
  • the AN and/or the AGF can check whether the IP address of the terminal in the uplink and downlink data packet is consistent with the IP address allocated to the terminal.
  • S610-S611 When receiving the downlink data packet, the AGF de-packs the GTP-U and adds the Ethernet header to the packet.
  • the MAC address of the terminal saved in S605 is used as the destination MAC address of the packet, and the source MAC address uses the AGF.
  • the MAC address so that the access gateway can obtain the MAC address of the RG without using an ARP request message, thereby reducing the signaling interaction between the AGF and the RG.
  • Example 2 The first message includes indication information of an IP address acquisition mode. Referring to FIG. 7, the method may include:
  • S701-S703 Same as S601-S603 in the first example.
  • S704 The SMF sends an N2 session creation request to the AGF.
  • the request includes the indication information, and the manner in which the terminal obtains the IP address may be obtained by using DHCP, DHCPv6, a stateless address allocation protocol, or other protocols.
  • the MAC address of the terminal is also included in the request.
  • the AGF can not only enable the ARP proxy function, but also enable the DHCP snooping function and other functions.
  • the step can also be performed by the S709.
  • S706 The AGF sends a session creation request to the ACRF, where the indication information is included in the request.
  • the MAC address of the terminal is also included in the request.
  • S707 The ACRF creates a session and obtains mapping information, for example, according to user message information.
  • the ACRF sends mapping information, such as VLAN information, to the AGF.
  • mapping information such as VLAN information
  • the relevant policy is sent to the AGF, for example, an ARP proxy, a DHCP proxy, and the like.
  • the AGF can not only enable the ARP proxy function, but also enable the DHCP snooping function and other functions.
  • the step is executed in S705.
  • S710 The ACRF sends mapping information and related policies to the AN.
  • S708 and S708 can be in no particular order.
  • S711 The AGF sends a session creation complete message to the RG.
  • S712-S713 The RG and the core network complete the DHCP process.
  • the AGF forwards the user DHCP message to the N3 PDU session, saves the MAC address of the terminal, and listens for the IP address of the user. Further, when the AGF forwards the downlink data packet to the RG, the MAC address of the saved terminal is used as the destination MAC address in the packet header, and the MAC address of the AGF is used as the source MAC address.
  • the RG obtains the MAC address of the AGF by using the ARP request message as the destination MAC address of the subsequent uplink data packet.
  • S716-S717 For the downlink data packet, the AGF decapsulates the GTP-U and adds the Ethernet header to the packet.
  • the AGF uses the MAC address of the terminal saved by S712 (or the MAC address of the terminal obtained through the ARP request message) as the destination MAC address, and the source MAC address can use the MAC address of the AGF.
  • Example 3 The first message includes user message information. Referring to FIG. 8, the method may include:
  • the RG sends a session creation request to the SMF through the AGF, where the request includes user packet information, such as a VLAN identifier, or a number of VLAN tags (may be 0, 1, 2, and no specific VLAN tag is specified).
  • the request may further include a MAC address used by the terminal, or a MAC-VLAN table (that is, combination information of a MAC address and a VLAN identifier of the terminal).
  • S803 The SMF sends an instruction to the AGF to complete the session creation.
  • the instruction includes user message information in S801, that is, user message information from the RG.
  • the SMF may acquire the MAC address of the terminal from other network elements in S802, and may send it to the AGF in this step.
  • the SMF is obtained through the AAA server.
  • S804 The AGF sends a session creation request to the ACRF, where the request includes user message information.
  • the ACRF creates a mapping rule and mapping relationship corresponding to the fixed network side session, and sends it to the AGF and the AN.
  • the specific mapping rule generation method can be referred to the information in Table 1 above.
  • S806a The AGF saves mapping rules for fixed network sessions and mobile network sessions. Optionally, the conversion rule of the VLAN information is saved.
  • the AGF performs VLAN information conversion on the uplink and downlink data packets and sends the information.
  • the uplink and downlink data packet may be an uplink data packet and a downlink data packet.
  • the AGF forwards the packet to the PDU session corresponding to the session according to the mapping rule.
  • the mapping rule Upon receiving the data message of the PDU session from the UPF, it forwards it to the corresponding fixed network session according to the mapping rule.
  • the AGF sends an N4 session creation request to the UPF, where the session creation request includes user packet information, such as a VLAN identifier, or a number of VLAN tags (may be 0, 1, 2, and no specific VLAN tag). .
  • the request may further include a MAC address used by the terminal, or a MAC-VLAN table (that is, combination information of a MAC address and a VLAN identifier of the terminal).
  • the UPF saves mapping rules of the fixed network session and the mobile network session. Optionally, the conversion rule of the VLAN information is saved.
  • the AGF performs VLAN information conversion on the uplink and downlink data packets and sends the information.
  • the uplink and downlink data packet may be an uplink data packet and a downlink data packet.
  • the AGF forwards the packet to the PDU session corresponding to the session according to the mapping rule.
  • the mapping rule Upon receiving the data message of the PDU session from the UPF, it forwards it to the corresponding fixed network session according to the mapping rule.
  • the access gateway may receive the access network session information sent by the core network device, where the access network session information includes the IP address of the terminal, the indication information of the IP address acquisition mode, and the user packet from the terminal. At least one item of information, and mapping the access network session and the mobile network session corresponding to the terminal according to the access network session information, so that mapping between the access network session and the mobile network session can be implemented.
  • the access network side network element for example, the access gateway and the access point can also obtain the IP address of the terminal, enable specific services, thereby improving the performance of the communication system.
  • each network element such as an access gateway, a core network device, and a terminal, includes hardware structures and/or software modules corresponding to each function in order to implement the above functions.
  • each network element such as an access gateway, a core network device, and a terminal
  • the present application can be implemented in a combination of hardware or hardware and computer software in combination with the elements and algorithm steps of the various examples described in the embodiments disclosed herein. Whether a function is implemented in hardware or computer software to drive hardware depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods to implement the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present application.
  • the embodiments of the present application may perform the function module division on the access gateway, the core network device, and the terminal according to the foregoing method.
  • each function module may be divided according to each function, or two or more functions may be integrated into one.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules. It should be noted that the division of the module in the embodiment of the present application is schematic, and is only a logical function division, and the actual implementation may have another division manner. The following is an example of dividing each functional module by using corresponding functions:
  • FIG. 9 shows a possible structural diagram of the information processing apparatus involved in the above embodiment.
  • the information processing device may be a chip built in an access gateway or an access gateway, and the information processing device includes a receiving unit 901 and a processing unit 902.
  • the receiving unit 901 is configured to support the information processing apparatus to perform S202, step 604, and/or step 600a in the method embodiment;
  • the processing unit 902 supports the information processing apparatus to perform S203, S203a, and/or in the method embodiment.
  • the step of discarding the ARP request message sent by the terminal may be a chip built in an access gateway or an access gateway, and the information processing device includes a receiving unit 901 and a processing unit 902.
  • the receiving unit 901 is configured to support the information processing apparatus to perform S202, step 604, and/or step 600a in the method embodiment;
  • the processing unit 902 supports the information processing apparatus to perform S203, S203a, and/or in the method embodiment.
  • the step of discarding the ARP request message sent by the terminal may be
  • the information processing apparatus may further include a sending unit 903, configured to perform the step of the information processing apparatus sending the second message to the access resource management network element, or sending the user report to the access resource management network element.
  • a sending unit 903 configured to perform the step of the information processing apparatus sending the second message to the access resource management network element, or sending the user report to the access resource management network element.
  • FIG. 10 shows a possible structural diagram of the information processing apparatus involved in the above embodiment.
  • the information processing apparatus may be a chip built in a core network device or a core network device, and the information processing apparatus includes: a transmitting unit 1001 and a receiving unit 1002.
  • the sending unit 1001 is configured to support S201 in the embodiment of the method for performing the information processing apparatus, and the receiving unit 1002 supports the S200a or S200b in the embodiment of the method for executing the information processing apparatus.
  • the information processing apparatus may further include a processing unit 1003, the processing unit 1003 is configured to perform the step of generating the first message by the information processing apparatus, and the like. All the related content of the steps involved in the foregoing method embodiments may be referred to the functional description of the corresponding functional modules, and details are not described herein again.
  • FIG. 11 shows a possible structural diagram of the information processing apparatus involved in the above embodiment.
  • the information processing device may be a chip built in the terminal or the terminal, and the information processing device includes a transmitting unit 1101.
  • the sending unit 1101 is configured to support the step of transmitting, by the information processing apparatus, the user message information to the core network device in the method embodiment.
  • the information processing apparatus may further include a receiving unit 1102 and a processing unit 1103.
  • the receiving unit 1102 supports the step of the information processing apparatus to perform receiving the MAC address of the access gateway in the method embodiment, where the processing unit 1103 is configured to execute the information.
  • the processing device performs the step of discarding the ARP request message sent by the access gateway in the method embodiment. All the related content of the steps involved in the foregoing method embodiments may be referred to the functional description of the corresponding functional modules, and details are not described herein again.
  • the processing unit in the present application may be a processor of the information processing device, the sending unit may be a transmitter of the information processing device, and the receiving unit may be a receiver of the information processing device, and the transmitter may generally
  • the receivers are integrated into a transceiver, and a specific transceiver can also be referred to as a communication interface.
  • FIG. 12 is a schematic diagram showing a possible logical structure of an information processing apparatus involved in the foregoing embodiment provided by an embodiment of the present application.
  • the information processing apparatus includes: a processor 1202 and a communication interface 1203.
  • the processor 1202 is configured to control and manage the operation of the information processing device.
  • the information processing device may be in the form of a product of an access gateway or a chip built in the access gateway, or the information processing device is a product form of a core network device or a chip built in the core network device, or the information processing The device is a product form of a chip built in the terminal or the terminal.
  • the processor 1202 is configured to support the information processing device to perform the SRP, S203a, and the ARP request sent by the terminal in the method embodiment. The steps of the message, and/or other steps for the access gateway described herein.
  • the processor 1202 is configured to support the step of the information processing device to execute the first message generated in the method embodiment, and/or used in the document Describe the other steps of the core network device.
  • the processor 1402 is configured to support the information processing device to perform the step of discarding the ARP request message sent by the access gateway in the method embodiment, and/or used in the document. Other steps of the described terminal.
  • the information processing apparatus may further include a memory 1201 and a bus 1204.
  • the processor 1202, the communication interface 1203, and the memory 1201 are connected to each other through a bus 1204.
  • the communication interface 1203 is configured to support the information processing apparatus for communication; and the memory 1201 is configured to store the Program code and data of the information processing device.
  • the processor 1202 may be a central processing unit, a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a transistor logic device, Hardware components or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, combinations of digital signal processors and microprocessors, and the like.
  • the bus 1204 may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus.
  • PCI Peripheral Component Interconnect
  • EISA Extended Industry Standard Architecture
  • a readable storage medium stores computer execution instructions, when a device (which may be a single chip microcomputer, a chip, etc.) or a processor executes the above method embodiment.
  • the step of accessing the gateway in the provided information processing method may include various media that can store program codes, such as a USB flash drive, a removable hard disk, a read only memory, a random access memory, a magnetic disk, or an optical disk.
  • a readable storage medium stores computer execution instructions, when a device (which may be a single chip microcomputer, a chip, etc.) or a processor executes the above method embodiment.
  • the aforementioned readable storage medium may include various media that can store program codes, such as a USB flash drive, a removable hard disk, a read only memory, a random access memory, a magnetic disk, or an optical disk.
  • a readable storage medium stores computer execution instructions, when a device (which may be a single chip microcomputer, a chip, etc.) or a processor executes the above method embodiment.
  • the aforementioned readable storage medium may include various media that can store program codes, such as a USB flash drive, a removable hard disk, a read only memory, a random access memory, a magnetic disk, or an optical disk.
  • a computer program product comprising computer executed instructions stored in a computer readable storage medium; at least one processor of the device may be The step of accessing the gateway in the information processing method provided by the above method embodiment is performed by the at least one processor executing the computer executing the instruction.
  • a computer program product comprising computer executed instructions stored in a computer readable storage medium; at least one processor of the device may be Reading the storage medium reads the computer execution instructions, and the at least one processor executing the computer to execute the instructions such that the apparatus performs the steps of the core network device in the information processing method provided by the method.
  • a computer program product comprising computer executed instructions stored in a computer readable storage medium; at least one processor of the device may be Reading the storage medium reads the computer execution instructions, and the at least one processor executes the computer to execute the instructions such that the apparatus performs the steps of the terminal in the information processing method provided by the method.
  • a communication system including an access gateway, a core network device, and a terminal.
  • the access gateway may be the access gateway provided in the foregoing device embodiment, and is used to support the access gateway to perform the step of accessing the gateway in the method embodiment; and/or the core network device is provided by the foregoing device embodiment.
  • the core network device is configured to support the core network device to perform the steps of the core network device in the method embodiment; and/or the terminal is the terminal provided by the foregoing device embodiment, and is used to support the terminal to perform the step of the terminal in the method embodiment.
  • the access gateway may receive the access network session information sent by the core network device, where the access network session information includes the IP address of the terminal, the indication information of the IP address acquisition mode, and the user packet information. At least one item, and mapping the access network session and the mobile network session corresponding to the terminal according to the access network session information, so that mapping between the access network session and the mobile network session can be implemented.
  • the access network side network element for example, the access gateway and the access point can also obtain the IP address of the terminal, enable specific services, thereby improving the performance of the communication system.

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Abstract

La présente invention concerne le domaine technique des communications et, en particulier, un procédé et un appareil de traitement d'informations pour mettre en œuvre une mise en correspondance entre une session de réseau d'accès et une session de réseau mobile. Le procédé comprend les étapes suivantes : une passerelle d'accès reçoit un premier message envoyé par un dispositif de réseau central, le premier message comprenant des informations de session de réseau d'accès et les informations de session de réseau d'accès comprenant au moins l'une des informations suivantes : une adresse de protocole Internet (IP) d'un terminal, des informations d'indication d'un mode d'acquisition d'adresse IP et des informations de paquet d'utilisateur provenant du terminal, les informations de paquet d'utilisateur comprenant au moins l'un parmi : un identifiant de réseau local virtuel (VLAN), la quantité d'étiquettes VLAN, une adresse de contrôle d'accès au support (MAC) du terminal et des informations combinées de l'identifiant VLAN et de l'adresse MAC du terminal ; et la passerelle d'accès met en œuvre une mise en correspondance sur la session de réseau d'accès correspondant au terminal et une session de réseau mobile selon les informations de session de réseau d'accès.
PCT/CN2019/082316 2018-04-28 2019-04-11 Procédé et appareil de traitement d'informations WO2019205952A1 (fr)

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