WO2024114354A1 - Procédé de communication, appareil, dispositif de communication, et support de stockage - Google Patents

Procédé de communication, appareil, dispositif de communication, et support de stockage Download PDF

Info

Publication number
WO2024114354A1
WO2024114354A1 PCT/CN2023/131341 CN2023131341W WO2024114354A1 WO 2024114354 A1 WO2024114354 A1 WO 2024114354A1 CN 2023131341 W CN2023131341 W CN 2023131341W WO 2024114354 A1 WO2024114354 A1 WO 2024114354A1
Authority
WO
WIPO (PCT)
Prior art keywords
network
information
terminal device
network performance
session
Prior art date
Application number
PCT/CN2023/131341
Other languages
English (en)
Chinese (zh)
Inventor
游正朋
李颖
朱磊
柯乐燕
张季
Original Assignee
中移(成都)信息通信科技有限公司
中国移动通信集团有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中移(成都)信息通信科技有限公司, 中国移动通信集团有限公司 filed Critical 中移(成都)信息通信科技有限公司
Publication of WO2024114354A1 publication Critical patent/WO2024114354A1/fr

Links

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a communication method, apparatus, communication equipment and storage medium.
  • 5G industry private networks including 5G 2B base stations and 2B core networks
  • Wi-Fi networks are deployed.
  • the two types of terminals can access applications on the industry cloud through 5G industry private networks and Wi-Fi networks respectively.
  • Industry cloud deployment can be inside or outside the park. As shown in Figure 1.
  • the 2B user plane function (UPF) and 2C UPF may belong to the same 5G network, or they may belong to different 5G networks and have different 5G core networks.
  • connection paths For 2C terminals, there are two connection paths, which can be seen from the connection paths shown by numbers 1 and 2 in Figure 1.
  • connection paths There are two connection paths, which can be seen from the connection paths shown by numbers 1 and 2 in Figure 1.
  • Embodiments of the present disclosure provide a communication method, an apparatus, a communication device, and a storage medium.
  • an embodiment of the present disclosure provides a communication method, the method comprising:
  • the terminal device sends first information to at least two network devices respectively, wherein the first information is used to instruct the network device to measure the network performance between the network device and the data network (DN) device; each network device corresponds to one session in the multi-access protocol data unit (MA PDU) session;
  • DN data network
  • MA PDU multi-access protocol data unit
  • the terminal device receives second information from the at least two network devices respectively, where the second information includes first network performance information between the network device and the DN device;
  • the terminal device determines whether to switch the session based on at least the second information, or determines the traffic allocation information of at least two sessions.
  • the first network performance information includes at least one of the following:
  • First network connection status information where the first network connection status information is used to indicate whether the connection between the network device and the DN device is normal or abnormal;
  • the first network jitter information between the network device and the DN device is the first network jitter information between the network device and the DN device.
  • the method further includes:
  • the terminal device receives third information from the at least two network devices respectively, and the third information includes second network performance information between the network device and the terminal device.
  • the second network performance information includes at least one of the following:
  • Second network connection status information where the second network connection status information is used to indicate whether the connection between the network device and the terminal device is normal or abnormal;
  • Second round-trip delay information between the network device and the terminal device Second round-trip delay information between the network device and the terminal device
  • Second network jitter information between the network device and the terminal device Second network jitter information between the network device and the terminal device.
  • the terminal device determines whether to switch the session based on at least the second information, or determines the traffic allocation information of at least two sessions, including:
  • the terminal device determines whether to switch the session or determines the traffic distribution information of at least two sessions based on the first network performance information and the second network performance information, and the second network performance information represents the network performance between the terminal device and the network device.
  • the terminal device determines whether to switch a session based on the first network performance information and the second network performance information, or determines traffic allocation information of at least two sessions, including:
  • the terminal device determines the third network performance information between the terminal device and the DN device based on the first network performance information and the second network performance information, determines whether to switch the session based on the third network performance information, or determines the traffic allocation information of at least two sessions based on the third network performance information;
  • the third network information includes at least one of the following:
  • Third network connection status information the third network connection status information is used to indicate whether the connection between the terminal device and the DN device is normal or abnormal;
  • the third network jitter information between the terminal device and the DN device is the third network jitter information between the terminal device and the DN device.
  • the determining whether to switch the session based on the third network performance information includes:
  • Whether to switch the session is determined according to at least one of the third network connection state information, the third round-trip delay information, and the third network jitter information corresponding to at least two sessions.
  • determining the traffic distribution information of at least two sessions based on the third network performance information includes:
  • the third network connection status information corresponding to at least two sessions all indicates that the connection is normal, determine a first comparison result between an absolute value of a first difference in the third round-trip delay information corresponding to each two sessions of the at least two sessions and at least one first threshold, and/or determine a second comparison result between an absolute value of a second difference in the third network jitter information corresponding to each two sessions of the at least two sessions and at least one second threshold, and determine the traffic distribution information of the at least two sessions based on the first comparison result and/or the second comparison result.
  • the first information includes at least one of the following information:
  • a first identifier used to indicate the network performance between the measured network device and the DN device.
  • the method before the terminal device sends the first information to at least two network devices respectively, the method further includes:
  • the terminal device creates a MA PDU session between each of the at least two network devices respectively, and the MA PDU session is in a single-link mode, and the single-link mode is used to indicate that there is only one session for each of the at least two network devices.
  • an embodiment of the present disclosure further provides a communication method, the method comprising:
  • the network device receives first information from the terminal device, wherein the first information is used to instruct the network device to measure network performance between the network device and the DN device; the network device corresponds to a session in the MA PDU session;
  • the network device measures the network performance between the network device and the DN device to obtain a first network performance capability information, and sending second information to the terminal device, where the second information includes the first network performance information.
  • the network device performs network performance measurement with the DN device to obtain first network performance information, including:
  • the network device sends a first instruction to the DN device based on the obtained address of the DN device, and receives a first response corresponding to the first instruction;
  • the first network performance information is determined based on a first time of sending the first instruction and a second time of receiving the first response.
  • the first network performance information includes at least one of the following:
  • First network connection status information where the first network connection status information is used to indicate whether the connection between the network device and the DN device is normal or abnormal;
  • the first network jitter information between the network device and the DN device is the first network jitter information between the network device and the DN device.
  • the method further includes: the network device performs network performance measurement with the terminal device, obtains second network performance information, and sends third information to the terminal device, wherein the third information includes the second network performance information.
  • the second network performance information includes at least one of the following:
  • Second network connection status information where the second network connection status information is used to indicate whether the connection between the network device and the terminal device is normal or abnormal;
  • Second round-trip delay information between the network device and the terminal device Second round-trip delay information between the network device and the terminal device
  • Second network jitter information between the network device and the terminal device Second network jitter information between the network device and the terminal device.
  • the first information includes at least one of the following information:
  • a first identifier used to indicate the network performance between the measured network device and the DN device.
  • an embodiment of the present disclosure further provides a communication device, which is applied to a terminal device, and includes: a first communication unit and a first processing unit; wherein,
  • the first communication unit is configured to send first information to at least two network devices respectively, wherein the first information is used to instruct the network device to measure the network performance between the network device and the DN device; each network device corresponds to one session in the MA PDU session; and is also configured to receive second information from the at least two network devices respectively, wherein the second information includes first network performance information between the network device and the DN device;
  • the first processing unit is configured to determine whether to switch the session based on at least the second information, or to determine traffic allocation information of at least two sessions.
  • an embodiment of the present disclosure further provides a communication device, which is applied to a network device, and includes: a second communication unit and a second processing unit; wherein,
  • the second communication unit is configured to receive first information from a terminal device, wherein the first information is used to instruct the network device to measure network performance between the network device and the DN device; the network device corresponds to a session in the MA PDU session;
  • the second processing unit is configured to perform network performance measurement with the DN device to obtain first network performance information
  • the second communication unit is further configured to send second information to the terminal device, where the second information includes the first network performance information.
  • an embodiment of the present disclosure further provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the steps of the method described in the first aspect or the second aspect of the embodiment of the present disclosure are implemented.
  • an embodiment of the present disclosure further provides a communication device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the steps of the method described in the first aspect or the second aspect of the embodiment of the present disclosure are implemented.
  • the communication method, apparatus, communication device and storage medium provided by the embodiments of the present disclosure include: the terminal device sends first information to at least two network devices respectively, the first information is used to instruct the network device to measure the network performance between the network device and the DN device; each network device corresponds to one session in the MA PDU session; second information is received from the at least two network devices respectively, the second information includes the first network performance information between the network device and the DN device; at least based on the second information, it is determined whether the session is switched, or the traffic allocation information of at least two sessions is determined.
  • the technical solution of the embodiments of the present disclosure is adopted, and by realizing the measurement of the network performance between the network device and the DN device (that is, the measurement of the N6 interface), it is realized that in the scenario where the terminal device accesses the industry cloud through at least two connection paths, the terminal device can accurately know the network performance between the DN device (or industry cloud) under each connection path, realize accurate switching of sessions or traffic splitting in multiple sessions, ensure the continuity and stability of the "dual-domain private network” service, and ensure that users get the best user experience.
  • FIG1 is a schematic diagram of the architecture of a converged networking mode
  • Figure 2 is a schematic diagram of the network architecture of the 5G and MEC combination solution
  • FIG3 is a schematic diagram of an untrusted non-3GPP access network
  • FIG. 4 is a schematic diagram of the ATSSS technical architecture
  • FIG5 is a schematic diagram of a technical architecture of a communication method application according to an embodiment of the present disclosure.
  • FIG6 is a schematic diagram of a single link mode in a communication method according to an embodiment of the present disclosure.
  • FIG7 is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG8 is a second flow chart of the communication method according to an embodiment of the present disclosure.
  • FIG9 is a schematic diagram of an interaction flow of a communication method according to an embodiment of the present disclosure.
  • FIG10 is a schematic diagram of a network measurement object in a communication method according to an embodiment of the present disclosure.
  • FIG11 is a schematic diagram of a structure of a communication device according to an embodiment of the present disclosure.
  • FIG12 is a second schematic diagram of the structure of the communication device according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic diagram of the hardware composition structure of the communication device according to an embodiment of the present disclosure.
  • GSM Global System of Mobile communication
  • LTE Long Term Evolution
  • 5G system 5G network
  • NR New Radio
  • the communication device may include a network device and a terminal device with communication function; the communication device may also include other devices in the communication system, such as a network controller, a mobile management entity and other network entities, which is not limited in the embodiment of the present disclosure.
  • the 3rd Generation Partnership Project (3GPP) has given a reference design for the combination of the fifth generation mobile communication technology (5G) and multi-access edge computing (MEC) as shown in Figure 2, which mainly includes two parts:
  • UPF is deployed in the industry customer park, close to the MEC edge server (also known as the MEC platform (MEP)), and forwards data to the MEC edge server (or MEP) through the local diversion technology of UPF (i.e., uplink filter/IPv6 branching point (UL-CL/IPv6 BP)).
  • MEC edge server also known as the MEC platform (MEP)
  • MEP MEC platform
  • UPF uplink filter/IPv6 branching point
  • the application function (AF) in the core network is moved down to the MEP side to provide better data flow control strategies (such as encoding strategies, Quality of Service (QoS) strategies, routing strategies, etc.) for applications deployed on MEC.
  • data flow control strategies such as encoding strategies, Quality of Service (QoS) strategies, routing strategies, etc.
  • 3GPP defines the basic architecture of 5G network to support fixed-mobile convergence.
  • the fixed-mobile convergence of 5G network mainly includes fixed wireless access, non-3GPP, hybrid access (mixed fixed wireless and non-3GPP), etc.
  • non-3GPP access includes at least trusted non-3GPP access, untrusted non-3GPP access, wired access, etc.
  • User equipment (UE) can access 5G network through at least these three non-3GPP technologies.
  • Wi-Fi is the most common untrusted non-3GPP technology.
  • 3GPP The network architecture based on untrusted non-3GPP access is defined as shown in FIG3 .
  • the UE can access the 5G network through 3GPP access technology and non-3GPP access technology respectively.
  • the non-3GPP interworking function (N3IWF, Non-3GPP InterWorking Function) is an untrusted non-3GPP access gateway device deployed by the operator. It supports the N2 and N3 interfaces between the 5G core network and can transfer the non-access stratum (NAS, Non-Access Stratum) signaling between the UE and the access and mobility management function (AMF, Access and Mobility Management Function).
  • NAS non-access stratum
  • AMF Access and Mobility Management Function
  • 3GPP describes the access traffic steering, switching, splitting (ATSSS) technology based on non-3GPP access, and its architecture diagram is shown in Figure 4.
  • ATSSS access traffic steering, switching, splitting
  • ATSSS is a network-level traffic aggregation technology that aims to reduce mobile network congestion by using a method that is transparent to users and balances data traffic between mobile networks and non-3GPP access. It can not only direct traffic from 5G networks to non-3GPP access, but also switch or split traffic between the two types of access. Operators can provide the best customer experience by using the 5G core network to perform unified traffic processing between 3GPP and non-3GPP access.
  • the UE shall support one or more access offload functions, such as MultiPath Transmission Control Protocol (MPTCP) functionality for multi-path offload and/or ATSSS low-layer functionality for Ethernet-based service offload.
  • MPTCP MultiPath Transmission Control Protocol
  • Each access offload function in the UE shall implement service control, switching, and offload across 3GPP access and non-3GPP access according to the ATSSS rules provided by the network.
  • the UPF includes MPTCP Proxy functionality for 3GPP Access and/or Non-3GPP Access to the UE.
  • the UPF also includes a performance measurement function (PMF), which can be used by the UE to obtain access performance measurements on the user plane of 3GPP access and/or on the user plane of non-3GPP access.
  • PMF performance measurement function
  • UE and UPF implement multi-access offload scheduling control based on the offload strategy issued by the control plane, thereby increasing bandwidth and improving service reliability.
  • the 5G network supports a flow to be split and transmitted in parallel on multiple accesses and switched between different access channels, so as to achieve flexible transmission and path selection of data on untrusted non-3GPP networks (such as Wi-Fi) and 5G channels.
  • untrusted non-3GPP networks such as Wi-Fi
  • a new protocol layer is added between UE and UPF to support link quality detection and round-trip time (RTT) tests initiated by UE and UPF to calculate 3GPP and non-3GPP traffic delays for subsequent service scheduling.
  • RTT round-trip time
  • Active-Standby mode In this mode, the service traffic will give priority to the active node defined by the ATSSS rule. When the active node is unavailable, it will switch to the standby node. When the active node is available again, the traffic will switch back to the active node.
  • Smallest Delay mode In this mode, service traffic will be directed to the access path with the smallest delay.
  • the UE measures the RTT on two accesses (3GPP and non-3GPP) to determine which access has the smallest delay and prefers the access with the smallest RTT.
  • Load-Balancing mode By configuring the percentage of traffic sent by 3GPP access and non-3GPP access, load balancing between the two accesses is achieved. At this time, service traffic is diverted to different accesses according to the set ratio;
  • Priority-based mode In this case, the access mode with high priority is preferred.
  • the priority can be set by the network.
  • the UE can apply the network-provided policy (i.e., ATSSS rules) and local conditions to decide how to allocate uplink traffic between the two access networks.
  • the UPF of the Protocol Data Unit (PDU) session can also apply the network-provided policy (i.e., N4 rules) and feedback received from the UE via the user plane to decide how to allocate downlink traffic information.
  • Connection path 1 The dedicated 2B terminal accesses the 2B UPF through the 5G private network to unload the industry cloud’s exclusive data, access the industry cloud through a dedicated line, and access the industry cloud’s applications through the dedicated 2B terminal;
  • Connection path two After the dedicated 2B terminal accesses the campus Wi-Fi network, it accesses the 2B UPF through the N3IWF network element to unload the industry cloud-specific data, access the industry cloud through a dedicated line, and access the industry cloud applications through the dedicated 2B terminal.
  • B2B refers to business and transaction activities carried out for enterprises.
  • Connection path 1 See number 1 in the figure.
  • the 2C terminal accesses the industry cloud based on the "dual-domain private network" method, that is, it accesses the 2C UPF through the 5G private network to unload the industry cloud's exclusive data, and accesses the industry cloud through a dedicated line, so as to realize the application of accessing the industry cloud through the 2C terminal;
  • Connection path two See number 2 in the figure.
  • the 2C terminal accesses the campus Wi-Fi network, it accesses the 2C UPF through the N3IWF network element to unload the industry cloud-specific data, and accesses the industry cloud through a dedicated line, enabling access to industry cloud applications through the 2C terminal.
  • the 2C terminal since the 2C terminal has not signed a 5G private network DNN, it cannot access the industry cloud through the 5G industry private network, and non-trusted non-3GPP networks such as Wi-Fi cannot directly Connect to the industry cloud (MEC).
  • MEC industry cloud
  • B2C To Consumer (or Customer)
  • B2C To Consumer (or Customer)
  • B2C business and transaction activities carried out for consumers.
  • the embodiments of the present disclosure are mainly aimed at the problems existing in the process of 2C terminals accessing the industry cloud.
  • the disclosed embodiment proposes an ASSSS method for multi-anchor UPF in a 5G industry dual-domain private network.
  • the disclosed embodiment solves the above-mentioned problems by adding a UE collaborative management module (U-CMM, UE-Collaborative Management Module) on the UE and a PMF collaborative management module (P-CMM, PMF-Collaborative Management Module) on the UPF without changing the ATSSS architecture.
  • U-CMM UE collaborative management module
  • P-CMM PMF-Collaborative Management Module
  • U-CMM is carried on the UE and is used to generate a single link mode to implement session switching management for two different MA PDU sessions.
  • MA PDU#1 represents the first 3GPP session
  • MA PDU#2 represents the second non-3GPP session.
  • the P-CMM is carried on the UPF and is used to measure the network performance of the N6 interface, including but not limited to key performance indicators such as network jitter and/or average network round-trip delay.
  • the module can be deployed as part of the PMF function as shown in Figure 5, or it can be deployed separately.
  • the U-CMM may also be called a first module, a first processing module, etc.
  • the P-CMM may also be called a second module, a second processing module, etc., as long as they can realize their corresponding functions. This embodiment does not limit the names of the modules.
  • FIG7 is a flow chart of the communication method of an embodiment of the present disclosure; as shown in FIG7 , the method includes:
  • Step 101 The terminal device sends first information to at least two network devices respectively, where the first information is used to instruct the network device to measure the network performance between the network device and the DN device; each network device corresponds to one session in the MA PDU session;
  • Step 102 The terminal device receives second information from the at least two network devices respectively, where the second information includes first network performance information between the network device and the DN device;
  • Step 103 The terminal device determines whether to switch the session based on at least the second information, or determines traffic allocation information of at least two sessions.
  • the terminal device may be the 2C terminal in the aforementioned embodiment.
  • the so-called 2C namely To Consumer (or Customer), is the full name of B2C, which refers to the business and transaction behavior carried out for consumers.
  • the terminal device in this embodiment refers to the terminal for consumers or users.
  • the network device may specifically be a core network device connected to an industry cloud or data network (or application server), such as a UPF.
  • the terminal device is connected to at least two UPFs, and decides which link to access by obtaining the performance or related parameters of at least two links (or at least two accesses).
  • the at least two network devices are network devices belonging to different access networks; wherein, the access network includes a 3GPP access network and a non-3GPP access network, that is, among the at least two network devices, at least one network device belongs to a network device of a 3GPP access network, and the other network device belongs to a network device of a non-3GPP access network, or it can also be considered that, among the two UPFs, one UPF is a 2C UPF and the other UPF is a 2B UPF.
  • the terminal device in order to enable the terminal device to make a correct network switching selection, the terminal device needs to obtain the network performance between the network device and the DN device and the network performance between the network device and the terminal device. Among them, the terminal device obtains the network performance between the network device and the terminal device, which already exists in the relevant technical solutions. Therefore, the embodiment of the present disclosure focuses on how the terminal device obtains the network performance between the network device and the DN device.
  • the method before the terminal device sends the first information to at least two network devices respectively, the method also includes: the terminal device creates a MA PDU session between each of the at least two network devices respectively, and the MA PDU session is in a single-link mode, and the single-link mode is used to indicate that there is only one session for each of the at least two network devices.
  • the terminal device creates a single-link mode MA PDU session between each network device, for example, as shown in FIG6 , there is only one session for each network device, and no session switching is performed.
  • the session in each embodiment of the present disclosure specifically refers to a PDU session, or it can also be referred to as a single-link mode MA PDU session.
  • the process of the terminal device creating an MA PDU session between each network device is similar to the PDU session establishment process.
  • the session management function (SMF, Session Management Function) supports sending N4 rules and ATSSS control information (including MPTCP control parameters, ATSSS-LL control parameters and PMF control parameters) containing ATSSS information to UPF in the N4 session establishment and modification process; when UPF completes the corresponding resource allocation, it supports carrying ATSSS control parameters in the response message.
  • SMF Session Management Function
  • the type of PDU session establishment request is set to "MA PDU Request” and the "Multi-access PDU Connectivity Service” field in the PDU session is set to "Yes”.
  • the SMF sends the MAR rules to the UPF through the N4 interface.
  • Add an optional field for Session Link Mode including two cases: “Normal Mode” and "Single Link Mode".
  • the default setting is Normal Mode
  • the optional setting is Single Link Mode.
  • Example 1 the "Steering mode" field in the MAR rule is set to the active-standby mode (Active-Standby) and the "Priority” field is set to the main link mode (Active), indicating that a single-link session is implemented by using the MPTCP function without performing session switching.
  • Example 2 the "Steering mode" field in the MAR rule is set to the priority-based mode (Priority-based), the “Priority” field is set to the high priority mode (High), and the “Threshold values” are set to infinite RTT or infinite Loss or infinite packet loss rate (Packet Loss Rate), indicating that the single-link mode is implemented by using the MPTCP function and based on the high priority mode, and setting infinite RTT so that no session switching is performed.
  • the "Steering mode" field in the MAR rule is set to the priority-based mode (Priority-based)
  • the “Priority” field is set to the high priority mode (High)
  • the “Threshold values” are set to infinite RTT or infinite Loss or infinite packet loss rate (Packet Loss Rate), indicating that the single-link mode is implemented by using the MPTCP function and based on the high priority mode, and setting infinite RTT so that no session switching is performed.
  • the UE receives a priority list of ATSSS rules from the SMF, which may include the following exemplary embodiments:
  • Example b "Traffic Descriptor: TCP, DestPort 8080", “Steering Mode: Priority-based, Priority: High”, “Steering Functionality: MPTCP”: This rule means “by using the MPTCP function, the TCP traffic of destination port 8080 will be diverted to the high-priority-based access, and the backup session will not be switched under any circumstances.”
  • the terminal device measures the network performance between the terminal device and the DN device by instructing at least two network devices to measure the network performance between the terminal device and the DN device.
  • the first information is used to instruct the network device to measure the network performance between the terminal device and the DN device.
  • the first information may also be called network performance measurement indication information or indication information, as long as the corresponding function can be realized.
  • the name is not used. limited.
  • the first information includes at least one of the following information:
  • a first identifier used to indicate the network performance between the measured network device and the DN device.
  • the first information sent by the terminal device to the network device can be specifically shown in Table 2.
  • Table 2 is only an example and may include more or less content in actual situations, which is not limited here.
  • the identification of the MA PDU session whose implementation method can be found in the 3GPP standard, is used to identify the uniqueness of the MA PDU session, that is, to identify the PDU session identity and the message flow.
  • the terminal device identifier i.e. UE identifier is used to identify the global uniqueness of the UE. It can be implemented by a media access control (MAC) address, an international mobile subscriber identity (IMSI), an identifier (ID)
  • MAC media access control
  • IMSI international mobile subscriber identity
  • ID identifier
  • the MAC address description method the MAC address of the UE is used as the globally unique identifier, such as "2A:DA:0B:84:03:9B"
  • IMSI International Mobile Subscriber Identity
  • the ID description method is used, the mobile phone number or the International Mobile Equipment Identity (IMEI) corresponding to the UE or the factory number set by the manufacturer is used as the identifier.
  • IMEI International Mobile Equipment Identity
  • the identification of the network device i.e., UPF identification
  • UPF identification is used to identify the global uniqueness of the UPF and distinguish whether it is a 2B UPF or a 2C UPF. It can be implemented as a string or a globally unique identifier (GUID).
  • GUID globally unique identifier
  • a globally unique string representation is used, such as "upf-2B-chinamobile”.
  • GUID representation the format of the GUID is the string "xxxxxxxx-xxxx-xx-xxxx-xxxxxxxxxxxxxx", where each x is a hexadecimal number in the range of 0-9 or a-f. For example: 9F9619FF-8B86-D011-B42D-00C04FC964FF.
  • the first identifier i.e., network performance identifier used to indicate the network performance between the measurement and the DN device can be implemented as a string.
  • a string is used, if the identifier is "N6", it means that the network performance parameters are obtained from the N6 interface. If the identifier is other, it means that the identifier is wrong.
  • the first network performance information includes at least one of the following:
  • First network connection status information where the first network connection status information is used to indicate whether the connection between the network device and the DN device is normal or abnormal;
  • the first network jitter information between the network device and the DN device is the first network jitter information between the network device and the DN device.
  • the content of the first network performance information may be specifically shown in Table 3.
  • Table 3 is only an example and may include more or less content in actual situations. There is no limitation here.
  • the identification of the MA PDU session whose implementation method can be found in the 3GPP standard, is used to identify the uniqueness of the MA PDU session, that is, to identify the PDU session identity and the message flow.
  • the terminal equipment identification (i.e.) UE identification is used to identify the global uniqueness of the UE, which can be implemented by description methods such as Media Access Control (MAC) address, International Mobile Subscriber Identity (IMSI), identification (ID), etc.
  • MAC Media Access Control
  • IMSI International Mobile Subscriber Identity
  • ID identification
  • the MAC address description method the MAC address of the UE is used as the globally unique identifier, such as "2A:DA:0B:84:03:9B"
  • IMSI International Mobile Subscriber Identity
  • ID description method the mobile phone number or the International Mobile Equipment Identity (IMEI) corresponding to the UE or the factory number set by the manufacturer is used as the identifier.
  • the network device identifier (i.e., UPF identifier) is used to identify the global uniqueness of the UPF and distinguish whether it is a 2B UPF or a 2C UPF. It can be implemented as a string or a globally unique identifier. (GUID, Globally Unique Identifier).
  • GUID Globally Unique Identifier
  • string representation use a globally unique string representation, such as "upf-2B-chinamobile”.
  • GUID representation the format of the GUID is the string "xxxxxxxx-xxxx-xxxx-xxxxxxxxxxxx", where each x is a hexadecimal number in the range of 0-9 or af. For example: 9F9619FF-8B86-D011-B42D-00C04FC964FF.
  • the first network connection status information (i.e., the network connection status in Table 3) can be implemented in a Boolean or string manner.
  • a Boolean expression for example, 1 can be used to indicate that the network connection of the N6 interface is normal, and 0 can be used to indicate that the network of the N6 interface is abnormally disconnected;
  • a string expression for example, "up” can be used to indicate that the network connection of the N6 interface is normal, and "down” can be used to indicate that the network of the N6 interface is abnormally disconnected.
  • the network performance information may be implemented as a structure, which at least includes network jitter (e.g., first network jitter information) and network average round-trip time (RTT) (e.g., first round-trip time delay information).
  • network jitter e.g., first network jitter information
  • RTT network average round-trip time
  • the first network jitter information represents the average time required for a data packet to be sent from the UPF to the industry cloud (ie, the DN device), and may be expressed as a floating point number in milliseconds (ms), such as 3.15ms.
  • the first network jitter information indicates the time difference between the maximum network delay and the minimum delay. For example, if the maximum delay is 20.55ms and the minimum delay is 5.80ms, the first network jitter information is 14.75ms, which mainly indicates the stability of the network link.
  • Network Connection Status parameter is 0 or down
  • Network Bandwidth is set to 0
  • Network Average Round Trip Delay is set to infinity
  • Network Jitter is set to infinity
  • the terminal device determines whether to switch the session based at least on the first network performance information between the network device and the DN device; in the process of determining whether to switch the session, in addition to the first network performance information between the network device and the DN device, the network performance between the network device and the terminal device is also required.
  • the method further includes: the terminal device receives third information from the at least two network devices respectively, and the third information includes second network performance information between the network device and the terminal device.
  • the terminal device may also respectively send indication information for measuring the second network performance information between the network device and the terminal device to the at least two network devices. Based on the indication information, each network device measures the network performance between the terminal device, obtains the second network performance information, and sends the second network performance information to the terminal device.
  • the terminal device may also actively measure the second network performance information between the terminal device and the network device.
  • the terminal device may measure the network performance between the terminal device and the network device (such as UPF) through the U-CMM as shown in Figure 5.
  • the terminal device may use the PING command to measure the network performance, using the time from sending data to receiving feedback data from the PING command, that is, the round-trip delay (RTT).
  • RTT round-trip delay
  • the second network performance information includes at least one of the following:
  • Second network connection status information where the second network connection status information is used to indicate whether the connection between the network device and the terminal device is normal or abnormal;
  • Second round-trip delay information between the network device and the terminal device Second round-trip delay information between the network device and the terminal device
  • Second network jitter information between the network device and the terminal device Second network jitter information between the network device and the terminal device.
  • the specific implementation method of the above-mentioned second network performance information can refer to the implementation method of the above-mentioned first network performance information, which will not be repeated here.
  • the terminal device determines whether to switch the session based on at least the second information, or determines the traffic allocation information of at least two sessions, including: The terminal device determines whether to switch the session or determines the traffic distribution information of at least two sessions based on the first network performance information and the second network performance information, wherein the second network performance information represents the network performance between the terminal device and the network device.
  • the terminal device determines whether the session is switched from the current access or current link to other access or other links based on the first network performance information and the second network performance information, or the traffic allocation information of at least two sessions can be determined based on the first network performance information and the second network performance information. For example, in the scenario shown in FIG6, for the two sessions MA PDU#1 and MA PDU#2, there may be a 3GPP access network or a non-3GPP access network, or both a 3GPP access network and a non-3GPP access network.
  • the terminal device determines whether to switch the session based on the first network performance information and the second network performance information, or determines the traffic allocation information of at least two sessions, including: the terminal device determines the third network performance information between the terminal device and the DN device based on the first network performance information and the second network performance information, and determines whether to switch the session based on the third network performance information, or determines the traffic allocation information of at least two sessions based on the third network performance information; wherein the third network information includes at least one of the following:
  • Third network connection status information the third network connection status information is used to indicate whether the connection between the terminal device and the DN device is normal or abnormal;
  • the third network jitter information between the terminal device and the DN device is the third network jitter information between the terminal device and the DN device.
  • the terminal device receives the second information from the at least two network devices respectively, including: the terminal device receives the fourth information sent by the at least two network devices respectively, the fourth information includes the third network performance information between the terminal device and the DN device, the third network information is based on the first network performance information between the network device and the DN device and the second network performance information between the network device and the terminal device. Information is determined; the terminal device determines whether to switch the session based on the third network performance information, or determines the traffic distribution information of at least two sessions based on the third network performance information.
  • one method is that the terminal device determines the third network performance information between the terminal device and the DN device through the first network performance information and the second network performance information obtained from the network device.
  • Another method is that the network device measures the N6 interface based on the instruction of the terminal device to obtain the first network performance information, and measures the network performance between the network device and the terminal device to obtain the second network performance information, obtains the third network performance information between the terminal device and the DN device based on the obtained first network performance information and the second network performance information, and sends the third network performance information to the terminal device.
  • the measurement of network performance is mainly based on three performance indicators: round-trip delay, packet loss rate (network jitter), and network connection status.
  • the terminal device can determine the third network performance information based on the above three performance indicators in the following manner:
  • Network connection status "network connection status from UE to UPF (i.e., the second network connection status information)" & "network connection status from UPF to DN device (i.e., the first network connection status information)", where "&" represents an AND operation. For example, 1 represents a normal network connection status, and 0 represents an abnormal network connection status.
  • Round Trip Time "round trip time from UE to UPF (i.e., the second round trip time delay information)" + "average network round trip time from UPF to DN device (i.e., the first round trip time delay information)".
  • Network jitter (Jitter) max("network jitter from UE to UPF (i.e., the second network jitter information)", “network jitter from UPF to DN device (i.e., the first network jitter information)”), that is, the maximum value of the two network jitter values is taken.
  • the determining whether the session is switched based on the third network performance information includes: determining whether the session is switched based on at least one of the third network connection status information, the third round-trip delay information, and the third network jitter information corresponding to at least two sessions. No switch.
  • an example of switching of the MA PDU session may be as follows:
  • determining whether to switch a session when determining whether to switch a session, first determine whether the network connection status corresponding to each session is normal, and select the session with a normal network connection status for switching; if the network connection status corresponding to each session is normal, select the session with the smallest round-trip delay for switching, and/or select the session with the smallest network jitter for switching.
  • determining the traffic allocation information of at least two sessions based on the third network performance information includes: determining a first comparison result of an absolute value of a first difference in third round-trip delay information corresponding to each two sessions of the at least two sessions and at least one first threshold, and/or determining a second comparison result of an absolute value of a second difference in third network jitter information corresponding to each two sessions of the at least two sessions and at least one second threshold, and determining the traffic allocation information of the at least two sessions based on the first comparison result and/or the second comparison result.
  • the round-trip delay in the process of determining the flow distribution of the session, can be Information and/or network jitter information are judged separately.
  • at least one first threshold can be set for the judgment of the round-trip delay information; then the at least one first threshold can form multiple threshold intervals (even if one first threshold is set, two threshold intervals less than the first threshold and greater than or equal to the first threshold can be formed, or two threshold intervals less than or equal to the first threshold and greater than the first threshold can be formed).
  • At least one second threshold can be set for the judgment of the network jitter information; then the at least one second threshold can form multiple threshold intervals (even if one second threshold is set, two threshold intervals less than the second threshold and greater than or equal to the second threshold can be formed, or two threshold intervals less than or equal to the second threshold and greater than the second threshold can be formed).
  • the relevant parameters corresponding to each two sessions in at least two sessions can be respectively subjected to difference processing to obtain the corresponding absolute value of the difference; then the absolute value of each difference is compared with the corresponding threshold to determine the threshold interval where the absolute value of each difference is located, and then the corresponding traffic distribution information of each session is determined according to the threshold interval where the absolute value of each difference is located.
  • the proportions of the two MA PDU sessions can be divided into the following three levels, so as to avoid frequent traffic proportion allocation adjustments.
  • Table 4 For specific examples, please refer to Table 4.
  • An example of a trigger condition may be as follows, wherein threshold A, threshold B, threshold C, threshold X, threshold Y, and threshold Z are set as appropriate.
  • Traffic distribution condition 1 abs(RTT_A-RTT_B) ⁇ threshold A or abs(Jitter_A-Jitter_B) ⁇ threshold X; abs means an absolute value.
  • Traffic distribution condition 2 Threshold A ⁇ (RTT_A - RTT_B) ⁇ Threshold B or Threshold X ⁇ (Jitter_A-Jitter_B) ⁇ threshold Y.
  • Traffic distribution condition 3 threshold B ⁇ (RTT_A-RTT_B) ⁇ threshold C or threshold X ⁇ (Jitter_A-Jitter_B) ⁇ threshold Z.
  • the terminal device can accurately know the network performance between the DN device (or industry cloud) under each connection path, realize the accurate switching of sessions or traffic splitting in multiple sessions, ensure the continuity and stability of the "dual-domain private network" service, and ensure that users get the best user experience.
  • This embodiment can meet the needs of 2C users to use 2C terminals to access the enterprise intranet and the Internet without changing cards or numbers, and ensure a good user experience.
  • FIG8 is a flow chart of the communication method of the present disclosure embodiment; as shown in FIG8 , the method includes:
  • Step 201 The network device receives first information from the terminal device, where the first information is used to instruct the network device to measure the network performance between the network device and the DN device; the network device corresponds to a session in the MA PDU session;
  • Step 202 The network device measures the network performance between itself and the DN device, obtains first network performance information, and sends second information to the terminal device, where the second information includes the first network performance information.
  • a first identifier used to indicate the network performance between the measured network device and the DN device.
  • the first information may be specifically referred to as shown in Table 2 in the above embodiment, which will not be repeated here.
  • the network device performs network performance measurement with the DN device to obtain first network performance information, including: the network device sends a first instruction to the DN device based on the obtained address of the DN device, and receives a first response corresponding to the first instruction; and determines the first network performance information based on a first moment of sending the first instruction and a second moment of receiving the first response.
  • the network performance between the network device and the DN device can be measured through the P-CMM as shown in Figure 5.
  • the network device (such as the P-CMM of the UPF) can obtain the address of the DN device by manual configuration, or obtain the address of the DN device from the obtained forwarding action rule (FAR, Forwarding Action Rule).
  • FAR forwarding Action Rule
  • the FAR can be sent to the UPF by the SMF through the N4 interface.
  • a sliding time window can be introduced, and the sliding time window size is set to 5s, sliding once every 1 second, and the average network delay and network jitter in each time window are calculated in turn.
  • the time window size and sliding size can be set. If the RTTs received within 8s are [2.00, 3.00, 5.00, 4.00, 1.00, 3.00, 6.00, 2.00], the unit is milliseconds.
  • the first network jitter information between the network device and the DN device is the first network jitter information between the network device and the DN device.
  • the method further includes: the network device performs network performance measurement with the terminal device, obtains second network performance information, and sends third information to the terminal device, wherein the third information includes the second network performance information.
  • the specific method for the network device to obtain the second network performance information can refer to the above-mentioned method for obtaining the first network performance information, which will not be repeated here.
  • the second network performance information includes at least one of the following:
  • second network connection status information wherein the second network connection status information is used to indicate the network The connection between the network device and the terminal device is normal or abnormal;
  • Second round-trip delay information between the network device and the terminal device Second round-trip delay information between the network device and the terminal device
  • Second network jitter information between the network device and the terminal device Second network jitter information between the network device and the terminal device.
  • the method may also include: the network device determines the third network performance information between the terminal and the DN device based on the first network performance information and the second network performance information, and sends fourth information to the terminal device, wherein the fourth information includes the third network performance information.
  • the measurement of network performance is mainly based on three performance indicators: round-trip delay, packet loss rate (network jitter), and network connection status.
  • the network device can determine the third network performance information based on the above three performance indicators in the following manner:
  • Network connection status "network connection status from UE to UPF (i.e., the second network connection status information)" & "network connection status from UPF to DN device (i.e., the first network connection status information)", where "&" represents an AND operation. For example, 1 represents a normal network connection status, and 0 represents an abnormal network connection status.
  • Round Trip Time "round trip time from UE to UPF (i.e., second round trip time delay information)" + "average network round trip time from UPF to DN device (i.e., first round trip time delay information)".
  • Network jitter (Jitter) max("network jitter from UE to UPF (i.e., the second network jitter information)", “network jitter from UPF to DN device (i.e., the first network jitter information)”), that is, the maximum value of the two network jitter values is taken.
  • the network device is UPF as an example for description.
  • FIG. 9 is a schematic diagram of an interaction flow of a communication method according to an embodiment of the present disclosure; as shown in FIG. 9 , the method includes:
  • Step 301 UE creates single link mode, that is, UE is between 2C UPF and 2B UPF Two different MA PDU sessions are created, as shown in Figure 6.
  • Step 302 The UE sends first information to each UPF, where the first information is used to indicate the network performance measurement of the N6 interface, that is, to instruct the UPF to measure the network performance between the UPF and the DN device.
  • the above first information may also be referred to as the network performance measurement indication information of the N6 interface.
  • Step 305 The UE determines whether to switch the session or determines the traffic allocation information of at least two sessions based on the first network performance information sent by each UPF and the second network performance information obtained from each UPF.
  • the measurement objects mainly include two, measurement object A between UE and UPF, and measurement object B between UPF and DN device (or industry cloud), as shown in Figure 10.
  • the UE can obtain the network performance information (i.e., the third network performance information) between the UE and the DN device (or industry cloud) based on the first network performance information and the second network performance information.
  • the third network performance information is used as a judgment condition to determine whether the session is switched or whether the traffic ratio of the two sessions is redistributed.
  • First network connection status information where the first network connection status information is used to indicate whether the connection between the network device and the DN device is normal or abnormal;
  • the first network jitter information between the network device and the DN device is the first network jitter information between the network device and the DN device.
  • the first communication unit 11 is further configured to receive third information from the at least two network devices respectively, and the third information includes second network performance information between the network device and the terminal device.
  • the second network performance information includes at least one of the following:
  • Second network connection status information where the second network connection status information is used to indicate whether the connection between the network device and the terminal device is normal or abnormal;
  • Second round-trip delay information between the network device and the terminal device Second round-trip delay information between the network device and the terminal device
  • Second network jitter information between the network device and the terminal device Second network jitter information between the network device and the terminal device.
  • the first processing unit 12 is configured to determine whether to switch the session or determine the traffic distribution information of at least two sessions based on the first network performance information and the second network performance information, and the second network performance information represents the network performance between the terminal device and the network device.
  • the third network information includes at least one of the following:
  • Third network connection status information the third network connection status information is used to indicate whether the connection between the terminal device and the DN device is normal or abnormal;
  • the third network jitter information between the terminal device and the DN device is the third network jitter information between the terminal device and the DN device.
  • the first processing unit 12 is configured to determine whether to switch the session based on at least one of the third network connection status information, the third round-trip delay information and the third network jitter information corresponding to at least two sessions.
  • the first processing unit 12 is configured to determine a first comparison result between an absolute value of a first difference between third round-trip delay information corresponding to each two sessions of the at least two sessions and at least one first threshold, and/or determine a second comparison result between an absolute value of a second difference between third network jitter information corresponding to each two sessions of the at least two sessions and at least one second threshold, when the third network connection status information corresponding to at least two sessions all indicates a normal connection, and determine the traffic distribution information of the at least two sessions based on the first comparison result and/or the second comparison result.
  • the first information includes at least one of the following information:
  • a first identifier used to indicate the network performance between the measured network device and the DN device.
  • the first communication unit 11 is further configured to create a MA PDU session between each of the at least two network devices before sending the first information to the at least two network devices respectively, and the MA PDU session is in a single-link mode, and the single-link mode is used to indicate that there is only one session for each of the at least two network devices.
  • the first processing unit 12 in the device can be implemented by a central processing unit (CPU), a digital signal processor (DSP), a microcontroller unit (MCU) or a field-programmable gate array (FPGA) in practical applications;
  • the first communication unit 11 in the device can be implemented by a communication module (including: basic communication kit, operating system, communication module, standardized interface and protocol, etc.) and a transceiver antenna in practical applications.
  • the first processing unit 12 and the first communication unit 11 can also be equivalent to the U-CMM in Figure 5.
  • FIG12 is a second schematic diagram of the structure of the communication device of the present disclosure; as shown in FIG12 , the device includes: a second communication unit 21 and a second processing unit 22; wherein,
  • the second communication unit 21 is configured to receive first information from a terminal device, wherein the first information is used to instruct the network device to measure the network performance between the network device and the DN device; the network device corresponds to a session in the MA PDU session;
  • the second processing unit 22 is configured to measure the network performance between the DN device and the DN device. obtaining first network performance information
  • the second communication unit 21 is further configured to send second information to the terminal device, where the second information includes the first network performance information.
  • the second processing unit 22 is configured to send a first instruction to the DN device through the second communication unit 21 based on the obtained address of the DN device, and receive a first response corresponding to the first instruction; and determine the first network performance information based on the first time of sending the first instruction and the second time of receiving the first response.
  • the first network performance information includes at least one of the following:
  • First network connection status information where the first network connection status information is used to indicate whether the connection between the network device and the DN device is normal or abnormal;
  • the first network jitter information between the network device and the DN device is the first network jitter information between the network device and the DN device.
  • the second processing unit 22 is further configured to perform network performance measurement with the terminal device to obtain second network performance information
  • the second communication unit 21 is further configured to send third information to the terminal device, where the third information includes the second network performance information.
  • the second network performance information includes at least one of the following:
  • Second network connection status information where the second network connection status information is used to indicate whether the connection between the network device and the terminal device is normal or abnormal;
  • Second round-trip delay information between the network device and the terminal device Second round-trip delay information between the network device and the terminal device
  • Second network jitter information between the network device and the terminal device Second network jitter information between the network device and the terminal device.
  • the first information includes at least one of the following information:
  • a first identifier used to indicate the network performance between the measured network device and the DN device.
  • the second processing unit 22 in the device can be implemented by a CPU, a DSP, an MCU or an FPGA in practical applications;
  • the second communication unit 21 in the device can be implemented by a communication module (including: a basic communication kit, an operating system, a communication module, a standardized interface and protocol, etc.) and a transceiver antenna in practical applications.
  • the second processing unit 22 and the second communication unit 21 can also be equivalent to the P-CMM in Figure 5.
  • the communication device provided in the above embodiment performs communication
  • only the division of the above program modules is used as an example.
  • the above processing can be assigned to different program modules as needed, that is, the internal structure of the device is divided into different program modules to complete all or part of the processing described above.
  • the communication device and the communication method embodiment provided in the above embodiment belong to the same concept, and the specific implementation process is detailed in the method embodiment, which will not be repeated here.
  • the present disclosure also provides a communication device, which may be a terminal device or a network device in the above embodiments.
  • FIG13 is a schematic diagram of the hardware structure of the communication device in the present disclosure embodiment.
  • the communication device includes a memory 32, a processor 31, and a computer program stored in the memory 32 and executable on the processor 31.
  • the processor 31 executes the program, the steps of the communication method applied to the terminal device are implemented; Alternatively, the processor 31 implements the steps of the communication method applied to the network device when executing the program.
  • the communication device further includes at least one network interface 33.
  • the various components in the communication device are coupled together via a bus system 34.
  • the bus system 34 is used to realize the connection and communication between these components.
  • the bus system 34 also includes a power bus, a control bus, and a status signal bus.
  • various buses are labeled as bus system 34 in FIG. 13.
  • the memory 32 can be a volatile memory or a non-volatile memory, and can also include both volatile and non-volatile memories.
  • the non-volatile memory can be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), a magnetic random access memory (FRAM), a flash memory, a magnetic surface memory, an optical disk, or a compact disc read-only memory (CD-ROM); the magnetic surface memory can be a disk memory or a tape memory.
  • the volatile memory can be a random access memory (RAM), which is used as an external cache.
  • RAM static random access memory
  • SSRAM synchronous static random access memory
  • DRAM dynamic random access memory
  • SDRAM synchronous dynamic random access memory
  • DDRSDRAM double data rate synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • SRAM static random access memory
  • SLDRAM SyncLink Dynamic Random Access Memory
  • DRRAM Direct Rambus Random Access Memory
  • the method disclosed in the above embodiment of the present disclosure can be applied to the processor 31, or implemented by the processor 31.
  • the processor 31 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method can be completed by the hardware integrated logic circuit in the processor 31 or the instruction in the form of software.
  • the above processor 31 can be a general-purpose processor, a DSP, or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc.
  • the processor 31 can implement or execute the various methods, steps and logic block diagrams disclosed in the embodiment of the present disclosure.
  • the general-purpose processor can be a microprocessor or any conventional processor, etc.
  • the steps of the method disclosed in the embodiment of the present disclosure can be directly embodied as a hardware decoding processor to execute, or a combination of hardware and software modules in the decoding processor to execute.
  • the software module can be located in a storage medium, which is located in the memory 32.
  • the processor 31 reads the information in the memory 32 and completes the steps of the above method in combination with its hardware.
  • the communication device can be implemented by one or more application specific integrated circuits (ASIC), DSP, programmable logic device (PLD), complex programmable logic device (CPLD), FPGA, general processor, controller, MCU, microprocessor, or other electronic components to execute the aforementioned method.
  • ASIC application specific integrated circuits
  • DSP digital signal processor
  • PLD programmable logic device
  • CPLD complex programmable logic device
  • FPGA field-programmable gate array
  • general processor controller
  • MCU microprocessor
  • microprocessor microprocessor
  • the present disclosure also provides a computer-readable storage medium, such as a memory 32 including a computer program, and the computer program can be executed by a processor 31 of the communication device to complete the steps of the aforementioned method.
  • the computer-readable storage medium can be a memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disk, or CD-ROM; it can also be a variety of devices including one or any combination of the above memories. Preparation.
  • the computer-readable storage medium stores a computer program thereon, which, when executed by a processor, implements the steps of the communication method applied to a terminal device; or, when executed by a processor, implements the steps of the communication method applied to a network device.
  • the disclosed devices and methods can be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the units is only a logical function division.
  • the coupling, direct coupling, or communication connection between the components shown or discussed can be through some interfaces, and the indirect coupling or communication connection of the devices or units can be electrical, mechanical or other forms.
  • the units described above as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units; some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.
  • all functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may be separately configured as a unit, or two or more units may be integrated into one unit; the above-mentioned integrated units may be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the integrated unit of the present disclosure can also be stored in a computer-readable storage medium.
  • the technical solution of the embodiment of the present disclosure can essentially or in other words, the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium and includes a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the methods described in each embodiment of the present disclosure.
  • the aforementioned storage medium includes: various media that can store program codes, such as mobile storage devices, ROM, RAM, magnetic disks or optical disks.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Sont divulgués dans les modes de réalisation de la présente divulgation un procédé de communication, un appareil, un dispositif de communication, et un support de stockage. Le procédé comprend les étapes suivantes : un dispositif terminal envoie séparément des premières informations à au moins deux dispositifs de réseau, les premières informations étant utilisées pour ordonner aux dispositifs de réseau de mesurer des performances de réseau entre ceux-ci et un dispositif de réseau de données (DN), et chaque dispositif de réseau correspondant à une session parmi des sessions d'unité de données de protocole à accès multiples (PDU MA) ; reçoit séparément des secondes informations provenant desdits au moins deux dispositifs de réseau, les secondes informations comprenant des premières informations de performance de réseau entre les dispositifs de réseau et le dispositif DN ; et, au moins sur la base des secondes informations, détermine si les sessions sont commutées, ou détermine des informations de distribution de flux desdites au moins deux sessions.
PCT/CN2023/131341 2022-11-29 2023-11-13 Procédé de communication, appareil, dispositif de communication, et support de stockage WO2024114354A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211516369.9 2022-11-29
CN202211516369.9A CN118118383A (zh) 2022-11-29 2022-11-29 一种通信方法、装置、通信设备和存储介质

Publications (1)

Publication Number Publication Date
WO2024114354A1 true WO2024114354A1 (fr) 2024-06-06

Family

ID=91216747

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/131341 WO2024114354A1 (fr) 2022-11-29 2023-11-13 Procédé de communication, appareil, dispositif de communication, et support de stockage

Country Status (2)

Country Link
CN (1) CN118118383A (fr)
WO (1) WO2024114354A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200245383A1 (en) * 2017-10-17 2020-07-30 Huawei Technologies Co., Ltd. Data Transmission Channel Processing Method, Apparatus, and System
WO2021155090A1 (fr) * 2020-01-29 2021-08-05 Convida Wireless, Llc Améliorations apportées à l'orientation du trafic pour réseaux cellulaires
CN114071494A (zh) * 2020-07-31 2022-02-18 华为技术有限公司 通信方法和装置
CN115297153A (zh) * 2021-04-19 2022-11-04 中兴通讯股份有限公司 数据传输方法、装置、终端、存储介质

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200245383A1 (en) * 2017-10-17 2020-07-30 Huawei Technologies Co., Ltd. Data Transmission Channel Processing Method, Apparatus, and System
WO2021155090A1 (fr) * 2020-01-29 2021-08-05 Convida Wireless, Llc Améliorations apportées à l'orientation du trafic pour réseaux cellulaires
CN114071494A (zh) * 2020-07-31 2022-02-18 华为技术有限公司 通信方法和装置
CN115297153A (zh) * 2021-04-19 2022-11-04 中兴通讯股份有限公司 数据传输方法、装置、终端、存储介质

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BROADCOM: "Architectural Updates for ATSSS Solution 1", 3GPP DRAFT; S2-187037_WAS_S2-186444_WAS_S2-185346_ATSSS_ARCH_SOL1, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Vilnius, Lithuania; 20180702 - 20180706, 5 July 2018 (2018-07-05), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051470153 *
INTERDIGITAL, INC.: "MA PDU Session establishment in mobility restricted areas", 3GPP DRAFT; S2-1907417_23.501_MA-PDU IN MOBILITY RESTRICTED AREA, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Sapporo, Japan; 20190624 - 20190628, 17 June 2019 (2019-06-17), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051752378 *

Also Published As

Publication number Publication date
CN118118383A (zh) 2024-05-31

Similar Documents

Publication Publication Date Title
US10904932B2 (en) Tunnel binding based communication method and network device
CN110636547B (zh) 终端执行的方法以及相应的终端、计算机可读存储介质
US20220361272A1 (en) Ue and smf
CN107534605B (zh) 用于选择网络连接集中器的方法
JP4224458B2 (ja) 無線リソースを管理する方法及び無線システム
US20170063699A1 (en) Method and apparatus for configuring multi-paths using segment list
EP4138443A1 (fr) Procédé et appareil de communication
CN113709901B (zh) 通信方法和装置
US20220279384A1 (en) Ue and smf
EP3713160A1 (fr) Procédé et appareil de transmission de paquet
KR102419113B1 (ko) 서비스 품질 모니터링 방법 및 시스템, 및 장치
CN112187633A (zh) 一种链路故障收敛方法、装置、电子设备及存储介质
WO2022143395A1 (fr) Procédé, appareil et système de création de trajet redondant
KR20210099386A (ko) 동시 다중 액세스 네트워크에서 액세스 트래픽 스티어링 방법 및 장치
CN116195352A (zh) 接入流量管理
WO2024114354A1 (fr) Procédé de communication, appareil, dispositif de communication, et support de stockage
Meneses et al. Multiple flow in extended sdn wireless mobility
WO2018201816A1 (fr) Procédé et dispositif de transmission de message
WO2021203794A1 (fr) Procédé, appareil et système de communication
JP7386961B2 (ja) ポート制御のサポート方法及び機器
WO2024114413A1 (fr) Procédé de communication, appareil, dispositif associé et support de stockage
TWI821882B (zh) 丟包率的檢測方法、通信裝置及通信系統
US12028753B2 (en) Selection of edge application server
WO2022183453A1 (fr) Procédé et appareil de communication, et puce
US20210289400A1 (en) Selection of Edge Application Server