CN114585098A - Network capability calling method, system and computer readable storage medium - Google Patents
Network capability calling method, system and computer readable storage medium Download PDFInfo
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- CN114585098A CN114585098A CN202011399024.0A CN202011399024A CN114585098A CN 114585098 A CN114585098 A CN 114585098A CN 202011399024 A CN202011399024 A CN 202011399024A CN 114585098 A CN114585098 A CN 114585098A
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- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/52—Allocation or scheduling criteria for wireless resources based on load
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Abstract
The invention discloses a network capability calling method, a network capability calling system and a computer readable storage medium, and belongs to the technical field of communication. The specific implementation scheme comprises the following steps: the network capacity open platform receives an edge capacity calling request sent by a network application and forwards the edge capacity calling request to the ECM platform; the ECM platform selects a target ECP from a plurality of ECPs according to the edge capability calling request, and sends the address information of the target ECP to the network capability open platform; the network capability open platform sends the address information of the target ECP to the network application; and the address information of the target ECP is used for the network application to determine the target ECP and carry out edge capability calling on the target ECP. According to the scheme, the network application calling edge capability can be realized.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a network capability calling method, a network capability calling system and a computer readable storage medium.
Background
Edge computing refers to a business deployment mode of deploying basic resources such as computing and storage at a network edge position close to a data source or a user to provide cloud service for edge application, so that user experience is improved. An Edge gateway User Plane Function (UPF) offloads traffic to an Edge Computing Platform (ECP), which is a core mechanism for implementing Edge Computing in a network. However, after the introduction of edge computing, there is no theory on how to implement the network application to invoke the edge capability.
Disclosure of Invention
Embodiments of the present invention provide a method, a system, and a computer-readable storage medium for invoking a network capability, so as to solve a problem how to implement invoking an edge capability by a network application.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a network capability calling method, which is executed by a network capability calling system, where the network capability calling system includes a network capability open platform, an edge computing management ECM platform, and multiple edge computing platforms ECP; the method comprises the following steps:
the network capability open platform receives an edge capability calling request sent by a network application and forwards the edge capability calling request to the ECM platform;
the ECM platform selects a target ECP from the ECPs according to the edge capability calling request, and sends the address information of the target ECP to the network capability open platform;
the network capability open platform sends the address information of the target ECP to the network application; the address information of the target ECP is used for the network application to determine the target ECP and carry out edge capability calling on the target ECP.
Optionally, the method further includes:
the ECM platform sends the calling authentication information of the target ECP to the network capability open platform;
the network capacity open platform sends the calling authentication information to the network application; and the calling authentication information is used for the network application to carry out edge capability calling to the target ECP based on the calling authentication information within the effective time of the calling authentication information.
Optionally, the edge capability calling request includes location information of the network application; the selecting a target ECP from the plurality of ECPs comprises:
the ECM platform selects the target ECP from the plurality of ECPs based on the location information of the web application and:
a deployment location of the plurality of ECPs;
status information of the plurality of ECPs.
Optionally, the status information of the plurality of ECPs includes at least one of:
a load condition of the plurality of ECPs;
a called frequency of the plurality of ECPs;
availability of the plurality of ECPs.
Optionally, the method further includes:
the ECP receives a capability calling request initiated by an edge application and forwards the capability calling request to the network capability open platform;
the network capacity open platform carries out calling processing according to the capacity calling request and sends a calling result to the ECP;
and the ECP sends the calling result to the edge application.
In a second aspect, an embodiment of the present invention provides a network capability calling system, including a network capability open platform, an ECM platform, and multiple ECPs;
wherein the network capability open platform is used for: receiving an edge capability calling request sent by a network application, and forwarding the edge capability calling request to the ECM platform;
the ECM platform is configured to: selecting a target ECP from the ECPs according to the edge capability calling request, and sending the address information of the target ECP to the network capability open platform;
the network capability open platform is also used for: sending the address information of the target ECP to the network application; the address information of the target ECP is used for the network application to determine the target ECP and carry out edge capability calling on the target ECP.
Optionally, the ECM platform is further configured to: sending the calling authentication information of the target ECP to the network capability open platform;
the network capability open platform is further used for: sending the calling authentication information to the network application; and the calling authentication information is used for the network application to carry out edge capability calling to the target ECP based on the calling authentication information within the effective time of the calling authentication information.
Optionally, the edge capability calling request includes location information of the network application;
the ECM platform is further configured to: selecting the target ECP from the plurality of ECPs based on the location information of the network application and:
a deployment location of the plurality of ECPs;
status information of the plurality of ECPs.
Optionally, the status information of the plurality of ECPs includes at least one of:
a load condition of the plurality of ECPs;
a called frequency of the plurality of ECPs;
availability of the plurality of ECPs.
Optionally, the ECP is configured to: receiving a capability calling request initiated by an edge application, and forwarding the capability calling request to the network capability open platform;
the network capability open platform is further used for: according to the capability calling request, calling processing is carried out, and a calling result is sent to the ECP;
the ECP is further to: and sending the calling result to the edge application.
In a third aspect, an embodiment of the present invention provides a network capability calling system, including a processor, a memory, and a program or an instruction stored on the memory and executable on the processor, where the program or the instruction, when executed by the processor, implements the steps of the method according to the first aspect.
In a fourth aspect, embodiments of the present invention provide a computer-readable storage medium on which a program or instructions are stored, which when executed by a processor implement the steps of the method according to the first aspect.
In the embodiment of the invention, the network capability open platform can receive the edge capability calling request sent by the network application, and forwards the edge capability calling request to the ECM platform, and then the ECM platform can select the target ECP from the multiple ECPs according to the edge capability calling request, and send the address information of the target ECP to the network capability open platform, so that the network capability open platform sends the address information of the target ECP to the network application. Therefore, the network application can determine the target ECP and call the edge capability to the target ECP, so that the network application calls the edge capability.
Drawings
FIG. 1 is an architecture diagram of the edge capability opening provided by an embodiment of the present invention;
fig. 2 is a flowchart of a network capability calling method according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a scheme architecture of an edge application invoking a core network capability in an embodiment of the present invention;
fig. 4 is a schematic flow chart of an edge application invoking a core network capability in an embodiment of the present invention;
FIG. 5 is a schematic diagram of a schema architecture for a network application to invoke edge capability in an embodiment of the invention;
fig. 6 is a schematic diagram of a network capability calling system according to an embodiment of the present invention.
Detailed Description
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, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
To facilitate understanding of the present application, the following is first explained.
Referring to fig. 1, fig. 1 is a schematic diagram illustrating an edge capability opening structure according to an embodiment of the present invention. As shown in fig. 1, the architecture with an open Edge capability mainly includes three levels of architectures, namely, a network capability open platform, an Edge Computing Management (ECM) platform, and an ECP.
The network capacity open platform is used as a capacity open layer network element and used for realizing unified opening of edge computing capacity and large network capacity for whole network application. This large Network capability may be understood as a core Network capability, which is characterized by the capability Network access module, such as a Network Exposure Function (NEF), supporting open Network capabilities in the core Network. In the core network, various network elements such as an Access mobility Management Function (AMF), a Session Management Function (SMF), a Policy Control Function (PCF), and/or a Unified Data Management (UDM) may publish functions and events through the NEF. The SMF in the core network may perform information interaction with a User Plane Function (UPF) in the core network and an edge UPF, and the UPF in the core network may perform information interaction with the edge UPF.
The ECM platform is an edge capability access layer network element and is used for the convergence access of edge computing capability. The ECM platform is connected with the ECP and can manage the ECP. In specific implementation, the ECM platform may be connected to a Business Operation Support System (BOSS) to Support Business Operation in the BOSS.
As an example, as shown in fig. 1, the ECM platform may include a primary ECM platform and a secondary ECM platform. The primary ECM platform is connected with the secondary ECM platform, and can manage the secondary ECM platform. The secondary ECM platform is not directly connected to the network capability open platform, does not belong to an edge capability access layer network element, and is optional in specific implementation, that is, the secondary ECM platform may not exist, but only the primary ECM platform exists. For example, the primary ECM platform may be selected as a national ECM platform, and the secondary ECM platform may be selected as a provincial ECM platform.
ECP provides layer network elements for edge capabilities, such as edge computing capabilities, support network capabilities, and industry vertical capabilities. The network capabilities include a terminal Location capability (UE Location), a terminal identification capability (UE ID, such as a mobile subscriber number MSISDN), a bandwidth management capability, and the vertical industry capabilities include video encoding and decoding, image recognition, voiceprint recognition, and the like. Both types of capabilities are registered to the API gateway in the form of an Application Programming Interface (API) and provided to applications to be called in the form of restful API interfaces.
In specific implementation, the ECP may support flexible deployment of an operator's own service or a third-party Application at the Edge of the mobile network, and the ECP is carried by Edge Computing virtualization Infrastructure (ECI), provides an operating environment and service for various Edge Computing Applications (ECA) running thereon, and receives management of an ECM platform. A communication network such as a 5G network may open network capabilities to the ECP by means of an API call through a capability opening interface. The core function of the ECP is the API gateway.
It is understood that the edge capability opening scheme in the present application is not limited to the 5G communication system, but can be applied to the 6G communication system and future extended communication systems.
The network capability calling method provided by the embodiment of the invention is described in detail through specific embodiments and application scenarios thereof with reference to the accompanying drawings.
Referring to fig. 2, fig. 2 is a flowchart of a network capability calling method according to an embodiment of the present invention, where the method is executed by a network capability calling system, and the network capability calling system may include a network capability opening platform, an ECM platform, and multiple ECPs. As shown in fig. 1, the method comprises the steps of:
step 21: the network capability open platform receives an edge capability calling request sent by a network application and forwards the edge capability calling request to the ECM platform.
Understandably, the network application is an application in a network that does not provide edge services, distinct from edge applications.
Step 22: and the ECM platform selects a target ECP from the ECPs according to the edge capability calling request, and sends the address information of the target ECP to the network capability open platform.
Step 23: and the network capability open platform sends the address information of the target ECP to the network application.
And the address information of the target ECP is used for determining the target ECP by the network application and calling the edge capability to the target ECP.
As an example, when a new edge capability of an ECP comes online, it may be sent to the ECM platform in real time through a restful interface between the ECP and the ECM platform. The ECM platform can register the new available capability to the network capability open platform through the capability registration interface. The ECM platform maintains the full-network ECP node locations and a list of capability APIs deployed on the ECPs.
According to the network capability calling method in the embodiment of the invention, the network capability open platform can receive the edge capability calling request sent by the network application, and forwards the edge capability calling request to the ECM platform, and then the ECM platform can select the target ECP from a plurality of ECPs according to the edge capability calling request and send the address information of the target ECP to the network capability open platform, so that the network capability open platform sends the address information of the target ECP to the network application. Therefore, the network application can determine the target ECP and call the edge capability to the target ECP, so that the network application calls the edge capability.
In the embodiment of the invention, in order to realize the secure access to the ECP, an authentication mechanism can be introduced so that the network application carries out edge capability calling to the ECP based on the authentication information.
Optionally, the network capability calling method may further include: the ECM platform sends the calling authentication information of the target ECP to a network capability open platform; and then, the network capacity open platform sends the calling authentication information to the network application. And the calling authentication information is used for the network application to carry out edge capability calling to the target ECP based on the calling authentication information within the effective time of the calling authentication information. The call authentication information is, for example, a call authentication identifier, token, or the like. In this way, secure access to the target ECP may be achieved by invoking the authentication information.
In one embodiment, when the network application calls the edge capability to the target ECP, the network application may carry the calling authentication identifier within the valid time of calling the authentication identifier to initiate a capability calling request conforming to the calling template to the target ECP, so as to obtain a calling result. The calling result may be different in different scenarios, for example, in a scenario of a distribution rule subscription, the obtained calling result may be a completion identifier, or in a scenario of a Quality of Service (QoS) resource application, the obtained calling result may be resource indication information, and the like.
In the embodiment of the present invention, in order to facilitate the ECM platform to select a suitable target ECP, the edge capability invocation request may include location information of a network application, and the ECM platform may select the target ECP from a plurality of ECPs according to the location information of the network application and the following contents:
a deployment location of a plurality of ECPs;
status information of multiple ECPs.
Optionally, the status information of the plurality of ECPs may include at least one of:
a load condition of the plurality of ECPs;
a called frequency of the plurality of ECPs;
availability of the plurality of ECPs.
In one embodiment, the ECM platform may select an optimal capability node from the ECPs as the target ECP according to the location information of the network application and by combining the deployment location, availability and load condition of the ECPs.
In the embodiment of the invention, the ECP can call the core network capability by acting the ECA, and the capability is realized by the core function API gateway of the ECP. The API gateway is a unified entrance of ECA calling network capability and can simultaneously complete authentication, metering of calling times/frequency, flow control and the like. By proxy calling of the API gateway, unified entry unified management of the edge capability and the core network capability can be realized. The ECP agent ECA initiates a capability calling request to the network capability open platform on the premise that: the ECA has registered with the capability open platform. The ECA may learn a list of all callable capabilities, including core network capabilities from the network capability open platform, through an API gateway in the ECP.
Optionally, the network capability calling method may further include: firstly, an ECP receives a capability calling request initiated by an edge application, and forwards the capability calling request to a network capability open platform; then, the network capacity open platform carries out calling processing according to the capacity calling request and sends a calling result to the ECP; and finally, the ECP sends the calling result to the edge application. The calling result may be different in different scenarios, for example, in a scenario of a distribution rule subscription, the obtained calling result may be a completion identifier, or in a scenario of a QoS resource application, the obtained calling result may be resource indication information, and the like.
Thus, the edge application can call the core network capability through the proxy of the ECP.
The following describes an embodiment of the present invention in detail with reference to fig. 3 to 5.
In this embodiment of the present invention, as shown in fig. 3, a process of invoking a core network capability by an edge application may include the following steps:
s1: the ECA initiates a capability call request to the ECP.
S2: and after the ECP identifies that the current call belongs to the proxy capability call, the ECP identifies the ECA mark initiating the call and forwards the capability call request to the network capability open platform. Optionally, the ECP may control the invocation according to a preset flow control rule.
S3: and after receiving the capability calling request from the ECP, the network capability open platform carries out calling processing after passing authentication and sends a calling result to the ECP. It can be understood that, as shown in fig. 3, the network capability open platform can be implemented by NEF according to network functions in the core network, such as UDM, UDR and/or PCF, when performing the invocation process.
S4: and the ECP returns the calling result to the corresponding ECA and records the calling information.
In the embodiment of the present invention, as shown in fig. 4 and 5, the process of invoking the edge capability by the network application may include the following steps:
s1: the network application initiates an edge capability calling request to the network capability open platform, wherein the request comprises the position information of the network application, such as an IP address. Such as a hypertext transfer protocol http request.
S2: the network capability openness platform forwards the edge capability call request including the location information to the ECM platform.
S3: after receiving the edge capability calling request, the ECM platform matches the deployment position, the availability condition, the load condition and the like of the ECP according to the position information of the network application, and selects an optimal capability node as a target ECP.
S4: the ECM platform issues a call instruction and a capability call token to the target ECP.
S5: and the ECM platform returns the address information and token of the target ECP to the network capability open platform.
S6: and the network capability open platform returns the address information and token of the target ECP to the network application.
S7: the network application carries the token within the token effective time to initiate a capability calling request conforming to the calling template to the target ECP.
S8: and the target ECP responds to the capability call of the network application and returns a call result. The capability call may be completed by a single return of the result, or may require multiple data transmissions.
S9: and after the calling is finished, the target ECP counts the calling result and returns an end character to the ECM platform.
S10: and the ECM platform forwards the terminator to the network capability open platform so as to complete the calling process of the edge capability.
Note that when the new edge capability of the ECP comes online, it needs to be sent to the ECM platform in real time through the restful interface between the ECP and the ECM platform. The ECM platform registers the new available capability to the network capability open platform through the capability registration interface. The ECM platform maintains the full-network ECP node locations and a list of capability APIs deployed on the ECPs.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a network capability calling system according to an embodiment of the present invention, and as shown in fig. 6, the network capability calling system 60 includes a network capability opening platform 61, an ECM platform 62, and a plurality of ECPs 63.
Wherein the network capability opening platform 61 is configured to: receiving an edge capability invocation request sent by a web application and forwarding the edge capability invocation request to the ECM platform 62;
the ECM platform 62 is configured to: according to the edge capability calling request, selecting a target ECP from the ECPs 63, and sending the address information of the target ECP to the network capability open platform 61;
the network capability open platform 61 is further configured to: sending the address information of the target ECP to the network application; the address information of the target ECP is used for the network application to determine the target ECP and carry out edge capability calling on the target ECP.
Optionally, the ECM platform 62 is further configured to: sending the calling authentication information of the target ECP to the network capability open platform;
the network capability open platform 61 is further configured to: sending the calling authentication information to the network application; and the calling authentication information is used for the network application to carry out edge capability calling to the target ECP based on the calling authentication information within the effective time of the calling authentication information.
Optionally, the edge capability calling request includes location information of the network application;
the ECM platform 62 is configured to: selecting the target ECP from the plurality of ECPs based on the location information of the network application and:
a deployment location of the plurality of ECPs;
status information of the plurality of ECPs.
Optionally, the status information of the plurality of ECPs includes at least one of:
a load condition of the plurality of ECPs;
a called frequency of the plurality of ECPs;
availability of the plurality of ECPs.
Optionally, the ECP 63 is configured to: receiving a capability calling request initiated by an edge application, and forwarding the capability calling request to the network capability open platform;
the network capability opening platform 61 is further configured to: according to the capability calling request, calling processing is carried out, and a calling result is sent to the ECP 63;
the ECP 63 is further configured to: and sending the calling result to the edge application.
It can be understood that the network capability calling system 60 according to the embodiment of the present invention can implement the processes of the method embodiments shown in fig. 2 to fig. 5, and can achieve the same technical effect, and for avoiding repetition, the details are not described here.
In addition, an embodiment of the present invention further provides a network capability calling system, which includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the computer program, when executed by the processor, can implement each process of the network capability calling method embodiment and achieve the same technical effect, and is not described herein again to avoid repetition.
The embodiment of the present invention further provides a computer-readable storage medium, where a program or an instruction is stored, and when the program or the instruction is executed by a processor, the process of the network capability invoking method embodiment may be implemented and the same technical effect may be achieved, and in order to avoid repetition, details are not repeated here.
Computer-readable media, which include both non-transitory and non-transitory, removable and non-removable media, may implement the information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention or the portions contributing to the prior art may be essentially embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a service classification device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (12)
1. A network capability calling method is characterized by being executed by a network capability calling system, wherein the network capability calling system comprises a network capability open platform, an Edge Computing Management (ECM) platform and a plurality of Edge Computing Platforms (ECPs); the method comprises the following steps:
the network capability open platform receives an edge capability calling request sent by a network application and forwards the edge capability calling request to the ECM platform;
the ECM platform selects a target ECP from the ECPs according to the edge capability calling request, and sends the address information of the target ECP to the network capability open platform;
the network capability open platform sends the address information of the target ECP to the network application; the address information of the target ECP is used for the network application to determine the target ECP and carry out edge capability calling on the target ECP.
2. The method of claim 1, further comprising:
the ECM platform sends the calling authentication information of the target ECP to the network capability open platform;
the network capacity open platform sends the calling authentication information to the network application; and the calling authentication information is used for the network application to carry out edge capability calling to the target ECP based on the calling authentication information within the effective time of the calling authentication information.
3. The method of claim 1, wherein the edge capability invocation request includes location information of the web application; the selecting a target ECP from the plurality of ECPs comprises:
the ECM platform selects the target ECP from the plurality of ECPs based on the location information of the web application and:
a deployment location of the plurality of ECPs;
status information of the plurality of ECPs.
4. The method of claim 3, wherein the status information of the plurality of ECPs comprises at least one of:
a load condition of the plurality of ECPs;
a called frequency of the plurality of ECPs;
availability of the plurality of ECPs.
5. The method of claim 1, further comprising:
the ECP receives a capability calling request initiated by an edge application and forwards the capability calling request to the network capability open platform;
the network capacity open platform carries out calling processing according to the capacity calling request and sends a calling result to the ECP;
and the ECP sends the calling result to the edge application.
6. A network capability calling system is characterized by comprising a network capability open platform, an ECM platform and a plurality of ECPs;
wherein the network capability open platform is used for: receiving an edge capability calling request sent by a network application, and forwarding the edge capability calling request to the ECM platform;
the ECM platform is configured to: selecting a target ECP from the ECPs according to the edge capability calling request, and sending the address information of the target ECP to the network capability open platform;
the network capability open platform is further used for: sending the address information of the target ECP to the network application; the address information of the target ECP is used for the network application to determine the target ECP and carry out edge capability calling on the target ECP.
7. The system of claim 6,
the ECM platform is further configured to: sending the calling authentication information of the target ECP to the network capability open platform;
the network capability open platform is further used for: sending the calling authentication information to the network application; and the calling authentication information is used for the network application to carry out edge capability calling to the target ECP based on the calling authentication information within the effective time of the calling authentication information.
8. The system according to claim 6, wherein the edge capability invocation request includes location information of the network application;
the ECM platform is further configured to: selecting the target ECP from the plurality of ECPs based on the location information of the network application and:
a deployment location of the plurality of ECPs;
status information of the plurality of ECPs.
9. The system of claim 8, wherein the status information of the plurality of ECPs comprises at least one of:
a load condition of the plurality of ECPs;
a called frequency of the plurality of ECPs;
availability of the plurality of ECPs.
10. The system of claim 6,
the ECP is used for: receiving a capability calling request initiated by an edge application, and forwarding the capability calling request to the network capability open platform;
the network capability open platform is further used for: according to the capability calling request, calling processing is carried out, and a calling result is sent to the ECP;
the ECP is further to: and sending the calling result to the edge application.
11. A network capability calling system comprising a processor, a memory and a program or instructions stored on the memory and executable on the processor, the program or instructions when executed by the processor implementing the steps of the network capability calling method of any one of claims 1 to 5.
12. A computer-readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the network capability calling method according to any one of claims 1 to 5.
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| CN202011399024.0A CN114585098A (en) | 2020-12-02 | 2020-12-02 | Network capability calling method, system and computer readable storage medium |
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| CN202011399024.0A CN114585098A (en) | 2020-12-02 | 2020-12-02 | Network capability calling method, system and computer readable storage medium |
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