CN112671565B - 5G core network topology discovery method and device based on signaling link - Google Patents

5G core network topology discovery method and device based on signaling link Download PDF

Info

Publication number
CN112671565B
CN112671565B CN202011483505.XA CN202011483505A CN112671565B CN 112671565 B CN112671565 B CN 112671565B CN 202011483505 A CN202011483505 A CN 202011483505A CN 112671565 B CN112671565 B CN 112671565B
Authority
CN
China
Prior art keywords
network element
address
signaling
nrf
interconnected
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN202011483505.XA
Other languages
Chinese (zh)
Other versions
CN112671565A (en
Inventor
黄建平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unihub China Information Technology Co Ltd
Original Assignee
Unihub China Information Technology Co Ltd
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 Unihub China Information Technology Co Ltd filed Critical Unihub China Information Technology Co Ltd
Priority to CN202011483505.XA priority Critical patent/CN112671565B/en
Publication of CN112671565A publication Critical patent/CN112671565A/en
Application granted granted Critical
Publication of CN112671565B publication Critical patent/CN112671565B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The embodiment of the invention provides a signaling link-based 5G core network topology discovery method and a signaling link-based 5G core network topology discovery device. The method comprises the following steps: collecting a network element configuration file; analyzing the network element configuration file to obtain basic information of each network element; traversing each network element, and discovering signaling links among the network elements; and taking each network element as a node, and taking a signaling link between the network elements as a connecting line for connecting each node to generate a signaling topological relation. In this way, based on the discovery of the signaling link, the core network device shows the topological relation between the network element devices in a signaling link mode, the topological relation between the core network devices is presented to a network maintenance worker in a friendly and visual mode, the topological relation between the core network devices is fed back visually, network management is facilitated, and the practicability is high.

Description

5G core network topology discovery method and device based on signaling link
Technical Field
The embodiments of the present invention generally relate to the field of communications, and in particular, to a method and an apparatus for discovering a 5G core network topology based on a service-oriented interface.
Background
Core network devices have a relatively large change from 4G to 5G, in the 5G era, all devices of a core network have completed virtualization, that is, physical dedicated devices are changed into virtual devices, management of core network communication devices has a new change compared with 4G, and viewing signaling topology is an important way for maintaining devices. However, after the 5G core network device is accessed, the topological relationship between the devices cannot be simply and clearly displayed, so that the routine maintenance and management process is complicated.
Disclosure of Invention
According to the embodiment of the invention, a signaling link-based 5G core network topology discovery scheme is provided.
In a first aspect of the present invention, a signaling link-based topology discovery method for a 5G core network is provided. The method comprises the following steps:
collecting a network element configuration file;
analyzing the network element configuration file to obtain basic information of each network element;
traversing each network element, and discovering signaling links among the network elements;
and taking each network element as a node, taking a signaling link between the network elements as a connecting line for connecting each node, and generating a signaling topological relation.
Further, the network element configuration file includes configuration files of AMF, NSSF, PCF, UDM, SMF, UPF and NRF.
Further, the analyzing the network element configuration file to obtain the basic information of each network element includes:
the AMF network element analyzes the configuration file of the AMF to obtain a device name, a device management address, a service interface address, port information, an NRF address, an NSSF address and TAC information;
the SMF network element analyzes the SMF configuration file to obtain a device name, a device management address, a service interface address, port information, an NRF address, UPF node information, TAC information and an N4 interface address;
the UPF network element analyzes the configuration information of the UPF to obtain an equipment name, an equipment management address, a service interface address, port information, an N4 interface address, a UPF node name, TAC information and a service address;
the NSSF network element analyzes the configuration file of the NSSF to obtain a device name, a device management address, a service interface address, port information and TAC information;
the PCF network element analyzes the configuration file of the PCF to obtain a device name, a device management address, a service interface address, port information and an NRF address;
the method comprises the steps that a UDM network element analyzes a configuration file of the UDM to obtain an equipment name, an equipment management address, a service interface address, port information and an NRF address;
the NRF network element analyzes the configuration file of the NRF to obtain an equipment name, an equipment management address, a service interface address, port information and an associated address; the associated address is used to associate NRF addresses.
Further, the traversing each network element and discovering the signaling link between each network element includes:
the AMF network element confirms the communication link of the signaling interfaces N2, N11, N8, N15 and N22, so that the AMF network element is interconnected with the RAN network element through the signaling interface N2 configured on the AMF network element, is interconnected with the SMF network element registered on the same NRF network element through the signaling interface N11, is interconnected with the UDM network element registered on the same NRF network element through the signaling interface N8, is interconnected with the PCF network element registered on the same NRF network element through the signaling interface N15, and is interconnected with the NSSF network element configured on the AMF network element through the signaling interface N22;
the SMF network element confirms the communication links of the signaling interfaces N4, N7 and N10, so that the SMF network element is interconnected with the SMF network element after being mutually matched through the signaling interface N4, is interconnected with the PCF registered on the same NRF network element through the signaling interface N7 and is interconnected with the UDM network element registered on the same NRF network element through the signaling interface N10;
and the UPF network element confirms the communication links of the signaling interfaces N3 and N9, so that the UPF network element is interconnected with the RAN network element through the signaling interface N3 configured on the UPF network element, and is interconnected with the UPF network element which is in the same group and has the service address on the same network platform through the signaling interface N9.
In a second aspect of the present invention, a signaling link-based topology discovery apparatus for a 5G core network is provided. The device comprises:
the acquisition module is used for acquiring the network element configuration file;
the analysis module is used for analyzing the network element configuration file to obtain the basic information of each network element;
the discovery module is used for traversing each network element and discovering the signaling link between each network element;
and the signaling topology generating module is used for generating a signaling topology relation by taking each network element as a node and taking a signaling link between the network elements as a connecting line for connecting each node.
Further, the network element configuration file includes configuration files of AMF, NSSF, PCF, UDM, SMF, UPF and NRF.
Further, the parsing module includes:
the AMF network element analysis module is used for analyzing the configuration file of the AMF to obtain a device name, a device management address, a service interface address, port information, an NRF address, an NSSF address and TAC information;
the SMF network element analysis module is used for analyzing the configuration file of the SMF to obtain a device name, a device management address, a service interface address, port information, an NRF address, UPF node information, TAC information and an N4 interface address;
the UPF network element analysis module is used for analyzing the configuration information of the UPF to obtain an equipment name, an equipment management address, a service interface address, port information, an N4 interface address, a UPF node name, TAC information and a service address;
the NSSF network element analysis module is used for analyzing the configuration file of the NSSF to obtain an equipment name, an equipment management address, a service interface address, port information and TAC information;
the PCF network element analysis module is used for analyzing the configuration file of the PCF to obtain a device name, a device management address, a service interface address, port information and an NRF address;
the UDM network element analysis module is used for analyzing the configuration file of the UDM to obtain an equipment name, an equipment management address, a service interface address, port information and an NRF address;
the NRF network element analysis module is used for analyzing the configuration file of the NRF to obtain an equipment name, an equipment management address, a service interface address, port information and an associated address; the associated address is used to associate an NRF address.
Further, the discovery module includes:
an AMF network element discovery module, configured to confirm a communication link between the AMF network element and the signaling interfaces N2, N11, N8, N15, and N22, so that the AMF network element is interconnected with the RAN network element through the signaling interface N2 configured on the AMF network element, interconnected with the SMF network element registered on the same NRF network element through the signaling interface N11, interconnected with the UDM network element through the signaling interface N8, interconnected with the PCF network element registered on the same NRF network element through the signaling interface N15, and interconnected with the NSSF configured on the AMF network element through the signaling interface N22;
an SMF network element discovery module, configured to confirm communication links between the SMF network element and the signaling interfaces N4, N7, and N10, so that the SMF network element is interconnected after interworking with the SMF network element through the signaling interface N4, is interconnected with a PCF registered on the same NRF network element through the signaling interface N7, and is interconnected with a UDM network element registered on the same NRF network element through the signaling interface N10;
and the UPF network element discovery module is used for confirming the communication links between the UPF network element and the signaling interfaces N3 and N9, so that the UPF network element is interconnected with the RAN network element through the signaling interface N3 configured on the UPF network element, and is interconnected with the UPF network element which is in the same group and has the service address in the same network platform through the signaling interface N9.
In a third aspect of the invention, an electronic device is provided. The electronic device includes: a memory having a computer program stored thereon and a processor implementing the method as described above when executing the program.
In a fourth aspect of the invention, a computer-readable storage medium is provided, on which a computer program is stored which, when being executed by a processor, carries out the method as according to the first aspect of the invention.
It should be understood that the statements herein reciting aspects are not intended to limit the critical or essential features of any embodiment of the invention, nor are they intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Based on the discovery of the signaling link, the invention displays the topological relation between the network element devices by the core network devices in a signaling link mode, presents the topological relation to network maintenance personnel in a friendly and visual mode, and visually feeds back the topological relation between the core network devices, thereby facilitating network management and having extremely high practicability.
Drawings
The above and other features, advantages and aspects of various embodiments of the present invention will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, like or similar reference characters designate like or similar elements, and wherein:
fig. 1 shows a flow chart of a signaling link based 5G core network topology discovery method according to the present invention;
fig. 2 shows a block diagram of a signaling link based 5G core network topology discovery apparatus according to the present invention;
FIG. 3 illustrates a block diagram of an exemplary electronic device capable of implementing embodiments of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the invention, based on the discovery of the signaling link, the core network equipment shows the topological relation among the network element equipment in a signaling link mode, and the topological relation among the core network equipment is presented to network maintenance personnel in a friendly and visual mode and is fed back visually, so that the network management is convenient, and the practicability is extremely high.
Fig. 1 shows a flow chart of the signaling link-based 5G core network topology discovery method of the present invention.
The method comprises the following steps:
s101, collecting network element configuration files.
The network element configuration file contains all configuration information of the current equipment, a file is formed by combining a command and stored on the corresponding network element equipment, the network manager finishes the acquisition of the network element configuration file through an acquisition program, firstly, the network element is connected, the configuration files of all core network equipment are acquired through a file interface mode and stored on an acquisition server.
The core network equipment comprises main core network equipment such as AMF, SMF, UPF, NSSF, NRF, PCF, UDM and the like.
According to different network element equipment types, dividing the network element configuration files into: AMF network element configuration files, NSSF network element configuration files, PCF network element configuration files, UDM network element configuration files, SMF network element configuration files, NRF network element configuration files and UPF network element configuration files.
S102, analyzing the network element configuration file to obtain basic information of each network element.
The basic information and the port information of the network element equipment can be obtained by analyzing the configuration file, wherein each type of network element equipment comprises an equipment name, an equipment management address, a service interface address and a port address, which are the basic information of the network element equipment; each type of network element device also has some information that needs to be analyzed separately, and the information that each type of network element device needs to be analyzed separately is different, for example:
the AMF network element needs to independently analyze an NRF address, an NSSF address and TAC information from an AMF network element configuration file; the SMF network element needs to independently analyze an NRF address, UPF node information, TAC information and an N4 interface address from an SMF network element configuration file; the UPF network element needs to independently analyze an N4 interface address, a UPF node name, TAC information and a service address from a UPF network element configuration file; the NSSF network element needs to independently analyze TAC information from the NSSF network element configuration file; PCF network element needs to analyze NRF information from PCF network element configuration file independently; the UDM network element needs to independently analyze NRF information from the UDM network element configuration file; the NRF network element needs to independently analyze the associated address from the NRF network element configuration file; the associated address is used for being associated with the analyzed NRF address. And after the analysis is completed, inputting the analyzed information data of the network element equipment into a database equipment table.
And analyzing the information in each network element configuration file to provide a correlation basis for the discovery of the signaling link.
S103, traversing each network element, and discovering the signaling link between each network element.
The traversal process starts from the AMF network element first and then traverses the SMF or UPF. After traversing, a signaling link between the network element devices can be obtained, and data can be recorded into the signaling link table after finding.
The discovery process comprises:
the AMF network element needs to first acknowledge the signaling interfaces N2, N11, N8, N15, N22 link. The AMF network element is interconnected with the RAN network element through a signaling interface N2, and the signaling interface N2 is directly configured on the AMF network element; the AMF network element is interconnected with the SMF network element through a signaling interface N11, and the AMF network element and the SMF network element are required to be registered on the same NRF network element; the AMF network element is interconnected with the UDM network element through a signaling interface N8, and the AMF network element and the UDM network element are required to be registered on the same NRF network element; the AMF network element is interconnected with the PCF network element through a signaling interface N15, and the AMF network element and the PCF network element are required to be registered on the same NRF network element; the AMF network element is interconnected with the NSSF network element through a signaling interface N22, and the NSSF network element is configured on the AMF.
The SMF network element confirms the links of the signaling interfaces N4, N7 and N10; the SMF network element is interconnected with the UPF network element through a signaling interface N4, and the N4 can be interconnected only by interworking on the SMF and the UPF at the same time; the SMF network element is interconnected with the PCF network element through a signaling interface N7 and needs to be registered in the same NRF with the PCF network element; the SMF network element is interconnected with the UDM network element via a signalling interface N10, which needs to be registered in the same NRF as said UDM.
UPF network element confirms signaling interface N3, N9 link; the signaling interface N3 is directly configured on the UPF, so that the UPF network element is interconnected with the RAN through the signaling interface N3; if the two UPFs are in the same GROUP GROUP and the service addresses are in the same network platform, the two UPFs can be interconnected through a signaling interface N9.
Through the discovery process, the network elements which have interconnection relation with the network elements can be discovered among the network elements, and the signaling topological relation is established.
S104, using the network elements as nodes and using signaling links between the network elements as connecting lines for connecting the nodes to generate a signaling topological relation.
Taking each network element with interconnection relation in S103 as a node, taking the signaling link among AMF, NSSF, PCF, UDM, SMF, UPF and NRF network elements as a connecting line between nodes according to the communication relation between the network elements, and generating a signaling topological relation graph.
According to the embodiment of the invention, based on the discovery of the signaling link, the core network equipment displays the topological relation among the network element equipment in a signaling link mode, and presents the topological relation to network maintenance personnel in a friendly and visual mode, so that the topological relation among the core network equipment is fed back visually, the network management is convenient, and the practicability is high.
It should be noted that for simplicity of description, the above-mentioned method embodiments are shown as a series of combinations of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are exemplary embodiments and that the acts and modules illustrated are not necessarily required to practice the invention.
The above is a description of method embodiments, and the embodiments of the present invention are further described below by way of apparatus embodiments.
As shown in fig. 2, the apparatus 200 includes:
an acquiring module 210, configured to acquire a network element configuration file; the network element configuration file comprises configuration files of AMF, NSSF, PCF, UDM, SMF, UPF and NRF.
The parsing module 220 is configured to parse the network element configuration file to obtain the basic information of each network element.
The parsing module 220 includes:
the AMF network element analyzing module 221 is configured to analyze the configuration file of the AMF to obtain a device name, a device management address, a service interface address, port information, an NRF address, an NSSF address, and TAC information;
an SMF network element parsing module 222, configured to parse a configuration file of the SMF to obtain a device name, a device management address, a service interface address, port information, an NRF address, UPF node information, TAC information, and an N4 interface address;
a UPF network element analyzing module 223, configured to analyze the configuration information of the UPF to obtain a device name, a device management address, a service interface address, port information, an N4 interface address, a UPF node name, TAC information, and a service address;
an NSSF network element parsing module 224, configured to parse a configuration file of the NSSF to obtain a device name, a device management address, a service interface address, port information, and TAC information;
a PCF network element parsing module 225, configured to parse the PCF configuration file to obtain a device name, a device management address, a service interface address, port information, and an NRF address;
a UDM network element parsing module 226, configured to parse the configuration file of the UDM to obtain an equipment name, an equipment management address, a service interface address, port information, and an NRF address;
an NRF network element parsing module 227, configured to parse an NRF configuration file to obtain a device name, a device management address, a service interface address, port information, and an associated address; the associated address is used to associate an NRF address.
The discovery module 230 is configured to traverse each network element and discover a signaling link between the network elements.
The discovery module 230 includes:
an AMF network element discovery module 231, configured to confirm a communication link between the AMF network element and the signaling interfaces N2, N11, N8, N15, and N22, so that the AMF network element is interconnected with the RAN network element through the signaling interface N2 configured on the AMF network element, interconnected with the SMF network element registered on the same NRF network element through the signaling interface N11, interconnected with the UDM network element through the signaling interface N8, interconnected with the PCF network element registered on the same NRF network element through the signaling interface N15, and interconnected with the NSSF configured on the AMF network element through the signaling interface N22;
an SMF network element discovering module 232, configured to confirm communication links between the SMF network element and the signaling interfaces N4, N7, and N10, so that the SMF network element is interconnected after being interworked with the SMF network element through the signaling interface N4, is interconnected with a PCF registered on the same NRF network element through the signaling interface N7, and is interconnected with a UDM network element registered on the same NRF network element through the signaling interface N10;
a UPF network element discovering module 233, configured to confirm the communication links between the UPF network element and the signaling interfaces N3 and N9, so that the UPF network element is interconnected with the RAN network element through the signaling interface N3 configured on the UPF network element, and is interconnected with the UPF network element that is in the same group and has the service address on the same network platform through the signaling interface N9.
A signaling topology generating module 240, configured to use each network element as a node, and use a signaling link between network elements as a connection line connecting each node, so as to generate a signaling topology relationship.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the described module may refer to the corresponding process in the foregoing method embodiment, and is not described herein again.
As shown in fig. 3, the electronic device includes a Central Processing Unit (CPU) that can perform various appropriate actions and processes according to computer program instructions stored in a Read Only Memory (ROM) or computer program instructions loaded from a storage unit into a Random Access Memory (RAM). In the RAM, various programs and data required for the operation of the device can also be stored. The CPU, ROM, and RAM are connected to each other via a bus. An input/output (I/O) interface is also connected to the bus.
A plurality of components in an electronic device are connected to an I/O interface, including: an input unit such as a keyboard, a mouse, etc.; an output unit such as various types of displays, speakers, and the like; storage units such as magnetic disks, optical disks, and the like; and a communication unit such as a network card, modem, wireless communication transceiver, etc. The communication unit allows the electronic device to exchange information/data with other devices via a computer network such as the internet and/or various telecommunication networks.
The processing unit executes the respective methods and processes described above, for example, methods S101 to S104. For example, in some embodiments, methods S101-S104 may be implemented as a computer software program tangibly embodied in a machine-readable medium, such as a storage unit. In some embodiments, part or all of the computer program may be loaded and/or installed onto the device via ROM and/or the communication unit. When the computer program is loaded into RAM and executed by the CPU, one or more of the steps of methods S101-S104 described above may be performed. Alternatively, in other embodiments, the CPU may be configured to perform methods S101-S104 by any other suitable means (e.g., by way of firmware).
The functions described herein above may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: a Field Programmable Gate Array (FPGA), an Application Specific Integrated Circuit (ASIC), an Application Specific Standard Product (ASSP), a system on a chip (SOC), a load programmable logic device (CPLD), and the like.
Program code for implementing the methods of the present invention may be written in any combination of one or more programming languages. These program codes may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the program codes, when executed by the processor or controller, cause the functions/operations specified in the flowchart and/or block diagram to be performed. The program code may execute entirely on the machine, partly on the machine, as a stand-alone software package partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
Further, while operations are depicted in a particular order, this should be understood as requiring that such operations be performed in the particular order shown or in sequential order, or that all illustrated operations be performed, to achieve desirable results. Under certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limitations on the scope of the invention. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single implementation. Conversely, various features that are described in the context of a single implementation can also be implemented in multiple implementations separately or in any suitable subcombination.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.

Claims (8)

1. A signaling link-based 5G core network topology discovery method is characterized by comprising the following steps:
collecting a network element configuration file;
analyzing the network element configuration file to obtain basic information of each network element;
traversing each network element, and discovering signaling links among the network elements;
using each network element as a node, and using a signaling link between the network elements as a connecting line for connecting each node to generate a signaling topological relation;
the traversing each network element and discovering the signaling link between each network element includes:
the AMF network element confirms the communication link of the signaling interfaces N2, N11, N8, N15 and N22, so that the AMF network element is interconnected with the RAN network element through the signaling interface N2 configured on the AMF network element, is interconnected with the SMF network element registered on the same NRF network element through the signaling interface N11, is interconnected with the UDM network element registered on the same NRF network element through the signaling interface N8, is interconnected with the PCF network element registered on the same NRF network element through the signaling interface N15, and is interconnected with the NSSF network element configured on the AMF network element through the signaling interface N22;
the SMF network element confirms the communication links of the signaling interfaces N4, N7 and N10, so that the SMF network element is interconnected with the SMF network element after being mutually matched through the signaling interface N4, is interconnected with the PCF registered on the same NRF network element through the signaling interface N7 and is interconnected with the UDM network element registered on the same NRF network element through the signaling interface N10;
the UPF network element confirms the communication link of the signaling interfaces N3 and N9, so that the UPF network element is interconnected with the RAN network element through the signaling interface N3 configured on the UPF network element, and is interconnected with the UPF network element which is in the same group and has the service address in the same network platform through the signaling interface N9.
2. The method of claim 1, wherein the network element profile comprises profiles of AMF, NSSF, PCF, UDM, SMF, UPF, and NRF.
3. The method of claim 1, wherein the parsing the network element configuration file to obtain basic information of each network element comprises:
the AMF network element analyzes the configuration file of the AMF to obtain a device name, a device management address, a service interface address, port information, an NRF address, an NSSF address and TAC information;
the SMF network element analyzes the SMF configuration file to obtain a device name, a device management address, a service interface address, port information, an NRF address, UPF node information, TAC information and an N4 interface address;
the UPF network element analyzes the configuration information of the UPF to obtain an equipment name, an equipment management address, a service interface address, port information, an N4 interface address, a UPF node name, TAC information and a service address;
the NSSF network element analyzes the configuration file of the NSSF to obtain an equipment name, an equipment management address, a service interface address, port information and TAC information;
the PCF network element analyzes the configuration file of the PCF to obtain a device name, a device management address, a service interface address, port information and an NRF address;
the method comprises the steps that a UDM network element analyzes a configuration file of the UDM to obtain an equipment name, an equipment management address, a service interface address, port information and an NRF address;
the NRF network element analyzes the configuration file of the NRF to obtain an equipment name, an equipment management address, a service interface address, port information and an associated address; the associated address is used to associate an NRF address.
4. A signaling link based topology discovery apparatus for a 5G core network, comprising:
the acquisition module is used for acquiring the network element configuration file;
the analysis module is used for analyzing the network element configuration file to obtain the basic information of each network element;
the discovery module is used for traversing each network element and discovering the signaling link between each network element;
a signaling topology generating module, configured to use each network element as a node, and use a signaling link between network elements as a connection line connecting each node, so as to generate a signaling topology relationship;
the discovery module includes:
an AMF network element discovery module, configured to confirm a communication link between the AMF network element and the signaling interfaces N2, N11, N8, N15, and N22, so that the AMF network element is interconnected with the RAN network element through the signaling interface N2 configured on the AMF network element, interconnected with the SMF network element registered on the same NRF network element through the signaling interface N11, interconnected with the UDM network element through the signaling interface N8, interconnected with the PCF network element registered on the same NRF network element through the signaling interface N15, and interconnected with the NSSF configured on the AMF network element through the signaling interface N22;
an SMF network element discovery module, configured to confirm a communication link between the SMF network element and each of signaling interfaces N4, N7, and N10, so that the SMF network element is interconnected after being interworked with the SMF network element through signaling interface N4, is interconnected with a PCF registered on the same NRF network element through signaling interface N7, and is interconnected with a UDM network element registered on the same NRF network element through signaling interface N10;
and the UPF network element discovery module is used for confirming the communication links between the UPF network element and the signaling interfaces N3 and N9, so that the UPF network element is interconnected with the RAN network element through the signaling interface N3 configured on the UPF network element, and is interconnected with the UPF network element which is in the same group and has the same service address on the same network platform through the signaling interface N9.
5. The apparatus of claim 4, wherein the network element profile comprises profiles of AMF, NSSF, PCF, UDM, SMF, UPF, and NRF.
6. The apparatus of claim 4, wherein the parsing module comprises:
the AMF network element analysis module is used for analyzing the configuration file of the AMF to obtain a device name, a device management address, a service interface address, port information, an NRF address, an NSSF address and TAC information;
the SMF network element analysis module is used for analyzing the SMF configuration file to obtain a device name, a device management address, a service interface address, port information, an NRF address, UPF node information, TAC information and an N4 interface address;
the UPF network element analysis module is used for analyzing the configuration information of the UPF to obtain an equipment name, an equipment management address, a service interface address, port information, an N4 interface address, a UPF node name, TAC information and a service address;
the NSSF network element analysis module is used for analyzing the configuration file of the NSSF to obtain an equipment name, an equipment management address, a service interface address, port information and TAC information;
PCF network element analysis module to analyze PCF configuration file to obtain device name, device management address, service interface address, port information and NRF address;
the UDM network element analysis module is used for analyzing the configuration file of the UDM to obtain an equipment name, an equipment management address, a service interface address, port information and an NRF address;
the NRF network element analysis module is used for analyzing the configuration file of the NRF to obtain an equipment name, an equipment management address, a service interface address, port information and an associated address; the associated address is used to associate an NRF address.
7. An electronic device comprising a memory and a processor, the memory having stored thereon a computer program, wherein the processor, when executing the program, implements the method of any of claims 1-3.
8. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the method according to any one of claims 1 to 3.
CN202011483505.XA 2020-12-16 2020-12-16 5G core network topology discovery method and device based on signaling link Active CN112671565B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011483505.XA CN112671565B (en) 2020-12-16 2020-12-16 5G core network topology discovery method and device based on signaling link

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011483505.XA CN112671565B (en) 2020-12-16 2020-12-16 5G core network topology discovery method and device based on signaling link

Publications (2)

Publication Number Publication Date
CN112671565A CN112671565A (en) 2021-04-16
CN112671565B true CN112671565B (en) 2023-02-21

Family

ID=75405307

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011483505.XA Active CN112671565B (en) 2020-12-16 2020-12-16 5G core network topology discovery method and device based on signaling link

Country Status (1)

Country Link
CN (1) CN112671565B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114339943A (en) * 2021-12-15 2022-04-12 中国电信股份有限公司 Network access method, data distribution method, system, equipment and storage medium

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101577839A (en) * 2009-06-09 2009-11-11 中兴通讯股份有限公司 Method and system for processing links between network elements of intelligent network platform
CN103269277A (en) * 2013-04-22 2013-08-28 华为技术有限公司 Method and system for finding link, first network element and network management equipment
CN104065496A (en) * 2013-03-18 2014-09-24 中国移动通信集团设计院有限公司 Network topology generating method and device
CN105847023A (en) * 2015-01-14 2016-08-10 北京神州泰岳信息安全技术有限公司 Service system network topology relationship obtaining method and device
CN110830983A (en) * 2018-08-13 2020-02-21 华为技术有限公司 Management method and device for local area network communication
CN111586674A (en) * 2019-02-18 2020-08-25 华为技术有限公司 Communication method, device and system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI241509B (en) * 2003-12-05 2005-10-11 Hon Hai Prec Ind Co Ltd Integrated network element management system and method
CN101677275B (en) * 2008-09-19 2012-05-23 中兴通讯股份有限公司 System and method of managing network element authority
US8542576B2 (en) * 2010-01-29 2013-09-24 Alcatel Lucent Method and apparatus for auditing 4G mobility networks
EP3609161B1 (en) * 2017-05-22 2021-08-04 Huawei Technologies Co., Ltd. Network slice creating method and apparatus, and communication system
CN108880899B (en) * 2018-06-30 2021-10-15 华为技术有限公司 Network topological graph generation method and server
CN110933623B (en) * 2018-09-17 2021-08-31 华为技术有限公司 Communication method and device
CN109728959A (en) * 2019-03-15 2019-05-07 广东电网有限责任公司 A kind of network topology structure automatic analysis method, device and equipment
CN110366276B (en) * 2019-07-03 2022-04-12 中国联合网络通信集团有限公司 Service architecture base station
CN111417151B (en) * 2020-03-27 2021-10-08 广州爱浦路网络技术有限公司 Method and system for backing up AMF in 5G core network

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101577839A (en) * 2009-06-09 2009-11-11 中兴通讯股份有限公司 Method and system for processing links between network elements of intelligent network platform
CN104065496A (en) * 2013-03-18 2014-09-24 中国移动通信集团设计院有限公司 Network topology generating method and device
CN103269277A (en) * 2013-04-22 2013-08-28 华为技术有限公司 Method and system for finding link, first network element and network management equipment
CN105847023A (en) * 2015-01-14 2016-08-10 北京神州泰岳信息安全技术有限公司 Service system network topology relationship obtaining method and device
CN110830983A (en) * 2018-08-13 2020-02-21 华为技术有限公司 Management method and device for local area network communication
CN111586674A (en) * 2019-02-18 2020-08-25 华为技术有限公司 Communication method, device and system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
System architecture for the 5G System (5GS);3rd Generation Partnership Project;《3GPP TS 23.501 V16.6.0》;20200924;全文 *

Also Published As

Publication number Publication date
CN112671565A (en) 2021-04-16

Similar Documents

Publication Publication Date Title
CN110351325B (en) Data processing method and related equipment
CN109522228B (en) Interface automation test data construction method, device, platform and storage medium
CN110046178A (en) The method and apparatus of distributed data inquiry
CN112671565B (en) 5G core network topology discovery method and device based on signaling link
CN114116065A (en) Method and device for acquiring topological graph data object and electronic equipment
CN110688305B (en) Test environment synchronization method, device, medium and electronic equipment
CN110334248B (en) System configuration information processing method and device
CN112671567B (en) 5G core network topology discovery method and device based on service interface
CN111611276A (en) Data query method, device and storage medium
CN112817562A (en) Service processing method and device
CN113946816A (en) Cloud service-based authentication method and device, electronic equipment and storage medium
CN112668314A (en) Data standard conformance detection method, device, system and storage medium
US10003492B2 (en) Systems and methods for managing data related to network elements from multiple sources
CN114070889B (en) Configuration method, traffic forwarding device, storage medium, and program product
CN111026629A (en) Method and device for automatically generating test script
CN112671568B (en) Method, device and equipment for generating subnet slice view of 5G core network
CN115604343A (en) Data transmission method, system, electronic equipment and storage medium
CN114995719A (en) List rendering method, device, equipment and storage medium
CN113691403A (en) Topological node configuration method, related device and computer program product
CN113268417B (en) Task execution method and device
CN112488856B (en) Information classification method, equipment, electronic equipment and storage medium
CN115905189A (en) Method, device and equipment for dynamically expanding data quality audit
CN115454800A (en) Log data verification method and device, electronic equipment, storage medium and product
CN115309717A (en) Database loading method, device, equipment, medium and computer program product
CN115391287A (en) File import method, system, storage medium and electronic system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: Room 702-2, No. 4811 Caoan Road, Jiading District, Shanghai, 201800

Patentee after: CHINA UNITECHS

Address before: Room 1004-4, 10 / F, 1112 Hanggui Road, Anting Town, Jiading District, Shanghai 201800

Patentee before: CHINA UNITECHS