WO2019137242A1 - Procédé et dispositif permettant d'établir un support, et processeur et support de stockage - Google Patents

Procédé et dispositif permettant d'établir un support, et processeur et support de stockage Download PDF

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Publication number
WO2019137242A1
WO2019137242A1 PCT/CN2018/124737 CN2018124737W WO2019137242A1 WO 2019137242 A1 WO2019137242 A1 WO 2019137242A1 CN 2018124737 W CN2018124737 W CN 2018124737W WO 2019137242 A1 WO2019137242 A1 WO 2019137242A1
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Prior art keywords
processing unit
service processing
bearer
upf
load
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PCT/CN2018/124737
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English (en)
Chinese (zh)
Inventor
周晟
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中兴通讯股份有限公司
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Publication of WO2019137242A1 publication Critical patent/WO2019137242A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/08—Load balancing or load distribution
    • H04W28/088—Load balancing or load distribution among core entities

Definitions

  • the present invention relates to, but is not limited to, the field of communications, and in particular, to a method, an apparatus, a processor, and a storage medium for establishing a bearer.
  • control functions in the packet domain gateway need to be separated from the forwarding functions to meet the needs of network development and market applications.
  • the gateway (Gate Way, GW) control plane and the user plane are separated in a non-roaming scenario, and each processing unit based on the User Plane Function (UPF) directly binds the address, and the load reported by the UPF is the whole of the UPF. The load causes poor load control on the UPF.
  • UPF User Plane Function
  • the embodiment of the present invention is to provide a method, an apparatus, a processor, and a storage medium for establishing a bearer, so as to at least solve the direct binding address of each processing unit based on the UPF in the related art, and the load reported by the UPF is the overall load of the UPF. A problem that causes poor load control on the UPF.
  • An embodiment of the present invention provides a method for establishing a bearer, including:
  • the setup bearer message carries the selected identifier information of the service processing unit, and is used to indicate that the UPF is based on the identifier information of the service processing unit.
  • the service processing unit establishes a bearer.
  • the method before the service processing unit that establishes the bearer message is sent and sent according to the load of each service processing unit of the obtained UPF, the method further includes:
  • the service processing unit that sends and sends a bearer message according to the load of each service processing unit of the obtained UPF includes:
  • the service processing unit that selects the least load from the service processing unit that does not exceed the preset threshold is determined to be the service processing unit that issues the bearer setup message.
  • the method further includes:
  • the method further includes:
  • Deleting a deletion message of the bearer to the UPF where the deletion message carries the identification information of the service processing unit corresponding to the UPF, and is used to indicate that the UPF deletes and processes the service according to the identifier information.
  • the bearer established between the units.
  • An embodiment of the present invention further provides a method for establishing a bearer, including:
  • the method before receiving the bearer message sent by the CPF, the method further includes:
  • the load of each service processing unit is carried to the CPF.
  • the method further includes:
  • the load of each service processing unit is periodically reported to the CPF.
  • the method further includes:
  • the embodiment of the invention further provides a device for establishing a carrier, comprising:
  • the selecting module is configured to send a service processing unit that establishes a bearer message according to the load of each service processing unit of the acquired user plane function UPF;
  • a sending module configured to send the setup bearer message to the UPF, where the setup bearer message carries the selected identifier information of the service processing unit, and is used to indicate that the UPF is according to the service
  • the identification information of the processing unit and the service processing unit establish a bearer.
  • the embodiment of the invention further provides a device for establishing a carrier, comprising:
  • the receiving module is configured to receive the setup bearer message sent by the control plane function CPF, where the setup bearer message carries the identifier information of the service processing unit;
  • the embodiment of the invention further provides a device for establishing a carrier, comprising:
  • a memory configured to save a program that establishes a bearer
  • the processor is configured to run the program, wherein the program is executed to execute the above-described setup bearer method provided by the embodiment of the present invention.
  • the embodiment of the present invention further provides a storage medium, where the storage medium includes a stored program, where the program is executed to execute the foregoing establishment bearer method provided by the embodiment of the present invention.
  • the embodiment of the present invention further provides a processor, where the processor is configured to run a program, where the program is executed to execute the foregoing establishing bearer method provided by the embodiment of the present invention.
  • the service processing unit that establishes the bearer message is sent according to the load of each service processing unit of the obtained UPF; and the setup bearer message is sent to the UPF, where the bearer message is carried in the setup bearer message.
  • the selected information of the service processing unit is used to indicate that the UPF establishes a bearer with the service processing unit according to the identifier information of the service processing unit, and the processing unit of the UPF-based processing unit is directly tied in the related art.
  • the UPF reported load is the problem that the overall load of the UPF causes the load control effect on the UPF to be poor. It is more effective to load balance and load control the UPF service processing units to ensure reliable operation of the UPF.
  • FIG. 1 is a schematic diagram of separation of a GW control plane and a user plane in a non-roaming scenario in the related art
  • FIG. 2 is a block diagram showing the hardware structure of a mobile terminal that establishes a bearer method according to an embodiment of the present invention
  • FIG. 3 is a flowchart 1 of a method for establishing a bearer according to an embodiment of the present invention
  • FIG. 4 is a second flowchart of a method for establishing a bearer according to an embodiment of the present invention.
  • FIG. 5 is a block diagram 1 of establishing a bearer device according to an embodiment of the present invention.
  • FIG. 6 is a second block diagram of establishing a bearer device according to an embodiment of the present invention.
  • FIG. 1 is a schematic diagram of separating a GW control plane and a user plane according to a non-roaming scenario in the related art.
  • the architecture splits the S-GW/PDN gateway P-GW in the original EPS architecture.
  • CPF and UPF two types of functional network elements.
  • the CPF is responsible for the control plane functions of the S/P-GW, including load sharing, UPF selection, Internet Protocol (IP) address and tunnel identity assignment, policy and charging control.
  • the UPF includes a Serving Gateway User Plane Function (SUPF) and a Packet Data Network Gateway User Plane Function (PUPF), which respectively correspond to the user planes of the S-GW and the P-GW.
  • SUPF Serving Gateway User Plane Function
  • PUPF Packet Data Network Gateway User Plane Function
  • the related functions of the user plane of the S/P-GW include data stream identification and deep packet parsing, QoS processing and bearer binding, and buffering of downlink paging data.
  • the interface of the user plane and the control plane of the connection are respectively corresponding to the CPF and the SUPF/PUPF, and the other corresponding interface functions are compared with the original EPS architecture.
  • CPF the coupling established between CPF and UPF is hereinafter referred to as Sx connection, and CPF and UPF of each Sx connection are connected.
  • Sx connection the coupling established between CPF and UPF is hereinafter referred to as Sx connection, and CPF and UPF of each Sx connection are connected.
  • Each node ID is used, and the coupled session/control message carries the NODE ID.
  • the load reported by the UPF is based on the overall load of the Node ID.
  • CPF needs to know the load of the entire UPF in order to distribute the services evenly among the nodes of each UPF. Need to know the load of each business processing unit.
  • the CPF may be a GW-C network element in the 4G core network, or may be an SMF network element in the 5G core network, or may be a fused network element of the GW-C and the SMF.
  • the UPF may be a GW-U network element in the 4G core network, or a UPF network element in the 5G core network, or a converged network element of the GW-U and the UPF.
  • FIG. 2 is a hardware structural block diagram of a mobile terminal that establishes a bearer method according to an embodiment of the present invention.
  • the mobile terminal 10 may include one or two (only one shown) processor 102 (the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA).
  • a memory 104 configured to store data and a transmission device 106 configured as a communication function.
  • the structure shown in FIG. 2 is merely illustrative and does not limit the structure of the above electronic device.
  • the mobile terminal 10 may also include more or fewer components than those shown in FIG. 2, or have a different configuration than that shown in FIG. 2.
  • the memory 104 can be configured as a software program and a module for storing application software, such as program instructions/modules corresponding to the data transfer method in the embodiment of the present invention, and the processor 102 executes each by executing a software program and a module stored in the memory 104.
  • a functional application and data processing, that is, the above method is implemented.
  • Memory 104 may include high speed random access memory, and may also include non-volatile memory such as one or two magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 104 may further include memory remotely located relative to processor 102, which may be connected to mobile terminal 10 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Transmission device 106 is configured to receive or transmit data via a network.
  • the above-described network specific example may include a wireless network provided by a communication provider of the mobile terminal 10.
  • FIG. 3 is a flowchart 1 of a method for establishing a bearer according to an embodiment of the present invention.
  • Step S302 selecting, according to the load of each service processing unit of the acquired UPF, a service processing unit that sends a bearer message;
  • step S304 the setup bearer message is sent to the UPF, where the setup bearer message carries the selected identifier information of the service processing unit, and is used to indicate that the UPF is according to the service processing unit.
  • the identification information establishes a bearer with the service processing unit.
  • the service processing unit that sends a bearer message is sent according to the load of each service processing unit of the obtained UPF; the setup bearer message is sent to the UPF, where the setup bearer message carries a selection
  • the identifier information of the service processing unit is used to indicate that the UPF establishes a bearer with the service processing unit according to the identifier information of the service processing unit, and solves the direct binding address of each processing unit based on the UPF in the related art.
  • the load reported by the UPF is a problem that the overall load of the UPF causes poor load control on the UPF, and load balancing and load control are performed on the service processing units of the UPF more effectively to ensure reliable operation of the UPF.
  • the load of each service processing unit needs to be acquired, and the manner of obtaining is more than one. Receiving the load of each service processing unit reported by the UPF; or directly acquiring the load of each service processing unit carried by the UPF.
  • the service processing unit that sends the bearer setup message by using the load balancing policy may include: if the load of the service processing unit exceeds a preset threshold, according to the load of each service processing unit of the acquired UPF, The service processing unit that selects the least load among the service processing units that do not exceed the preset threshold is determined to be the service processing unit that issues the bearer setup message.
  • the load of each service processing unit periodically reported by the UPF may be received to prepare for the next load balancing.
  • the delete message of the bearer is sent to the UPF, where the delete message carries the service processing unit corresponding to the UPF.
  • the deletion information is used to indicate that the UPF deletes the bearer established between the service processing unit according to the identifier information.
  • a newly defined field may identify a certain service processing unit of the UPF.
  • the messages of various service classes in the Sx connection such as the bearer control message, the usage report message, and the load report message, are associated with each service processing unit of the UPF.
  • the service processing unit sends a message to the UPF through the Sx connection.
  • the CPF supports setting the load threshold of the service processing unit of the UPF. When the load of a service processing unit exceeds the threshold, the CPF establishes a new bearer on the service processing unit whose load does not exceed the threshold.
  • the UPF periodically reports the load of each service processing unit to the CPF through the Sx connection.
  • FIG. 4 is a second flowchart of a method for establishing a bearer according to an embodiment of the present invention. As shown in FIG. 4, the method includes:
  • Step S402 receiving a setup bearer message sent by the CPF, where the setup bearer message carries the identifier information of the service processing unit;
  • Step S404 Establish a bearer with the service processing unit according to the identifier information of the service processing unit.
  • the load reported by the UPF in the related art is that the overall load of the UPF causes poor load control effect on the UPF, and the load balancing and load control of the service processing units of the UPF are more effectively performed to ensure reliable operation of the UPF.
  • the load of each service processing unit reported to the CPF is performed; or the load of each service processing unit is carried to the CPF.
  • the load of each service processing unit is periodically reported to the CPF.
  • the delete message of the delete bearer sent by the CPF is received, where the delete message carries the Identification information of the service processing unit corresponding to the UPF; deleting the bearer established between the service processing unit and the service processing unit according to the identification information.
  • the embodiment of the invention provides a CPF control for multiple service processing units in the UPF to ensure load balancing and load control of a service processing unit, including the following steps:
  • Step 1 The CPF and the UPF of the gateway device are deployed separately.
  • Step 2 When an Sx connection is established between the CPF and the UPF, a definition is added to the protocol, and the interface of the Sx connection may carry information of each service processing unit in the UPF;
  • Step 3 When the CPF is to establish a bearer, the service processing unit that carries the current service is selected according to the load of each service processing unit of the UPF, and the CPF carries the information of the service processing unit in the setup bearer message sent by the Sx connection;
  • Step 4 After receiving the Sx message of the bearer, the UPF obtains the service processing unit information, and establishes a bearer in the service processing unit.
  • Step 5 The UPF periodically reports the load of each service processing unit to the CPF.
  • Step 6 When the CPF deletes the bearer, it sends an Sx message to the UPF, where the message carries the information of the corresponding service processing unit of the UPF.
  • Step 7 After receiving the Sx message of the bearer, the UPF obtains the information of the service processing unit and deletes the corresponding bearer.
  • the information about the service processing unit that the UPF carries when the Sx connection is established may include:
  • Step 100 The CPF and the UPF of the SPGW are deployed separately;
  • Step 101 Initialize an Sx connection between the CPF and the UPF.
  • Step 102 The UPF carries information about each service processing unit in the node to the CPF.
  • step 103 the CPF and the UPF complete the Sx connection establishment process.
  • the UPF reports the load of each service processing unit, which may include:
  • Step 200 the CPF and the UPF of the SPGW are deployed separately;
  • Step 201 An Sx connection is established between the CPF and the UPF.
  • Step 202 The UPF periodically reports the load of each service processing unit to the CPF.
  • step 203 the CPF records the load of each service processing unit.
  • the CPF establishes a bearer, including the following steps:
  • Step 300 The CPF and the UPF of the SPGW are deployed separately, and each service processing unit in the UPF is configured with an independent service address.
  • Step 301 an Sx connection is established between the CPF and the UPF.
  • Step 302 The CPF receives the request for establishing a bearer, and uses a load balancing policy to select a service processing unit related to the service according to the load of each service processing unit in the recorded UPF.
  • Step 303 The CPF encapsulates the Sx message, and instructs the UPF to establish a bearer, where the message carries the information of the service processing unit.
  • Step 304 After receiving the UPF, the UPF establishes a bearer on the corresponding service processing unit according to the service processing unit information indicated in the Sx message.
  • a service processing unit on the UPF is overloaded, including the following steps:
  • Step 400 The CPF and the UPF of the SPGW are deployed separately, and each service processing unit in the UPF is configured with an independent service address.
  • Step 401 an Sx connection is established between the CPF and the UPF.
  • Step 402 In the load of the UPF service processing unit recorded by the CPF, one of the service processing units is overloaded and exceeds a threshold;
  • Step 403 The CPF receives the request for establishing a bearer, and adopts a load balancing policy according to the load of each service processing unit in the recorded UPF, and selects the service processing unit related to the service from the service processing unit that does not exceed the load threshold. The least load from the rest of the selection);
  • Step 404 The CPF encapsulates the Sx message, and instructs the UPF to establish a bearer, where the message carries information of the service processing unit.
  • Step 405 After receiving the UPF, the UPF establishes a bearer on the corresponding service processing unit according to the service processing unit information indicated in the Sx message.
  • FIG. 5 is a block diagram of a device for establishing a bearer according to an embodiment of the present invention. As shown in FIG. 5, the method includes:
  • the selecting module 52 is configured to: send, according to the load of each service processing unit of the acquired user plane function UPF, a service processing unit that sends a bearer message;
  • the sending module 54 is configured to send the setup bearer message to the UPF, where the setup bearer message carries the selected identifier information of the service processing unit, and is used to indicate that the UPF is configured according to the The identification information of the service processing unit and the service processing unit establish a bearer.
  • the apparatus further includes:
  • the acquiring module is configured to receive the load of each service processing unit reported by the UPF; or acquire the load of each service processing unit carried by the UPF.
  • the selecting module is further configured to: when the load of the service processing unit exceeds a preset threshold, the service processing unit that selects the least load from the service processing unit that does not exceed the preset threshold is determined to be delivered. Establish a service processing unit that carries the message.
  • the apparatus further includes:
  • the receiving load module is configured to receive the load of each service processing unit periodically reported by the UPF.
  • the apparatus further includes:
  • a sending module configured to send, to the UPF, a delete message for deleting a bearer, where the delete message carries the identifier information of the service processing unit corresponding to the UPF, and is used to indicate that the UPF is deleted according to the identifier information.
  • a bearer established with the service processing unit.
  • FIG. 6 is a block diagram 2 of the device for establishing a bearer according to an embodiment of the present invention. As shown in FIG. 6, the method includes:
  • the receiving module 62 is configured to receive the setup bearer message sent by the control plane function CPF, where the setup bearer message carries the identifier information of the service processing unit;
  • the establishing module 64 is configured to establish a bearer with the service processing unit according to the identifier information of the service processing unit.
  • the apparatus further includes:
  • the first reporting module is configured to load the service processing units reported to the CPF; or, the load of each service processing unit is carried to the CPF.
  • the apparatus further includes:
  • the second reporting module is configured to periodically report the load of each service processing unit to the CPF.
  • the apparatus further includes:
  • the receiving message module is configured to receive the deletion message of the deleted bearer delivered by the CPF, where the deletion message carries the identification information of the service processing unit corresponding to the UPF;
  • And deleting the module configured to delete the bearer established between the service processing unit according to the identifier information.
  • the embodiment of the present invention further provides a storage medium, where the storage medium includes a stored program, wherein the program is executed to perform the method described in any one of the above.
  • the storage medium may be configured to store program code for performing the following steps:
  • the service processing unit that sends the bearer message is sent according to the load of each service processing unit of the acquired user plane function UPF;
  • the establishing a bearer message is sent to the UPF, where the setup bearer message carries the selected identifier information of the service processing unit, and is used to indicate that the UPF is based on the identifier of the service processing unit.
  • the information establishes a bearer with the service processing unit.
  • the storage medium may also be configured to store program code for performing the following steps:
  • the receiving bearer message is sent by the CPF, where the bearer message carries the identifier information of the service processing unit.
  • the foregoing storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • the embodiment of the invention further provides a processor configured to run a program, wherein the program executes the steps in any of the above methods when the program is running.
  • the above program is used to perform the following steps:
  • the service processing unit that sends the bearer message is sent according to the load of each service processing unit of the acquired user plane function UPF.
  • the establishing a bearer message is sent to the UPF, where the setup bearer message carries the selected identifier of the service processing unit, and is used to indicate that the UPF is based on the identifier of the service processing unit.
  • the information establishes a bearer with the service processing unit.
  • the above program is further configured to perform the following steps:
  • the receiving bearer message is sent by the CPF, where the bearer message carries the identifier information of the service processing unit.

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

Abstract

L'invention concerne un procédé et un dispositif permettant d'établir un support, et un processeur et un support de stockage. Le procédé consiste à : sélectionner une unité de traitement de service pour émettre un message d'établissement de support selon une charge acquise de chaque unité de traitement de service d'une fonction de plan d'utilisateur (UPF) ; et émettre le message d'établissement de support à l'UPF, le message d'établissement de support transportant des informations d'identification de l'unité de traitement de service sélectionnée de façon à ordonner à l'UPF d'établir un support avec l'unité de traitement de service selon les informations d'identification de l'unité de traitement de service.
PCT/CN2018/124737 2018-01-10 2018-12-28 Procédé et dispositif permettant d'établir un support, et processeur et support de stockage WO2019137242A1 (fr)

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CN115483961A (zh) * 2022-08-24 2022-12-16 爱浦路网络技术(南京)有限公司 天地一体化通信系统中的星载upf部署方法、装置及介质

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CN115483961A (zh) * 2022-08-24 2022-12-16 爱浦路网络技术(南京)有限公司 天地一体化通信系统中的星载upf部署方法、装置及介质

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