CN116939017A

CN116939017A - Network service method, device, communication equipment and storage medium

Info

Publication number: CN116939017A
Application number: CN202310926661.6A
Authority: CN
Inventors: 何宇锋; 林奕琳; 刘玉芹; 陈思柏; 张睿琦
Original assignee: China Telecom Technology Innovation Center; China Telecom Corp Ltd
Current assignee: China Telecom Technology Innovation Center; China Telecom Corp Ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2023-10-24

Abstract

The application discloses a network service method, a network service device, communication equipment and a storage medium. The method can be applied to the technical field of network communication, and specifically comprises the following steps: the network discovery request with the service content sent by the first network management equipment is received, the target service network is determined from the regional service networks according to the service content and the network service information of each regional service network, the network service information of the target service network is fed back to the first network management equipment, the network service information of the target service network is used for the first network management equipment to determine the network element service information of the target NF network element, and the network element service information of the target NF network element is fed back to the request NF network element, so that the request NF network element obtains the service content from the target NF network element, the response speed of the request NF network element for requesting the service is effectively improved, and the efficiency of providing network service for the request NF network element is greatly improved.

Description

Network service method, device, communication equipment and storage medium

Technical Field

The present application relates to the field of network communications technologies, and in particular, to a network service method, a device, a communication device, and a storage medium.

Background

In the current 5G service framework, when NF (Network Functions, network function) network elements have service requirements, an NF network element to be served sends a service request to a local NRF (Network Repository Function, network storage function) network element, the local NRF network element searches for a target NF network element capable of providing the service, if the local NRF network element does not find the target NF network element capable of providing the service, the NF network element needs to pass through a backbone level NRF network element, sends the service request to NRF network elements of other areas, and determines the target NF network element capable of providing the service from other area networks.

In the above process, the backbone NRF network element only has a transfer function, that is, forwards a service request to other area networks and forwards a response message returned by the NRF network element of other area networks, so that the network service efficiency is low by adopting the current 5G service framework.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a network service method, apparatus, communication device, and storage medium that effectively improve network service efficiency.

In a first aspect, the present application provides a network service method, applied to a central device, the method comprising:

receiving a network discovery request carrying service content sent by first network management equipment; the network discovery request is generated after the first network management equipment receives a first network element discovery request carrying service content;

Determining a target service network from each regional service network according to the service content and the network service information of each regional service network;

and feeding back the network service information of the target service network to the first network management equipment, wherein the network service information of the target service network is used for the first network management equipment to determine the network element service information of the target NF network element, and feeding back the network element service information of the target NF network element to the request NF network element so that the request NF network element obtains service contents from the target NF network element.

In one embodiment, determining a target service network from the regional service networks according to the service content and the network service information of the regional service networks includes:

and determining the target service network from the regional service networks according to the service content, the network function information and the network parameter information in the network service information of the regional service networks.

In one embodiment, the method further comprises:

receiving a network service registration request sent by first network service equipment; the network service registration request carries network service information of an area service network to which the first network management device belongs; the network service registration request is generated after the first network management equipment responds to the network element service registration request to register the network element service;

And registering the network service for the first network service equipment according to the network service information in the network service registration request.

In one embodiment, the method further comprises:

receiving a network service update request sent by first network service equipment; the network service update request carries network update information of an area service network to which the first network management device belongs; the network service update request is generated after the first network management equipment responds to the network element service update request to update the network element service;

and according to the network updating information in the network service updating request, carrying out network service updating for the first network service equipment.

In one embodiment, the network service information includes at least one of network identification information, access mode information, network location information, network coverage information, operation subject information, network function information, network parameter information, and network management device information of the regional service network.

In a second aspect, the present application provides another network service method, applied to a first network management device, the method including:

responding to a first network element discovery request sent by a request NF network element, and sending a network discovery request to central equipment, wherein the first network element discovery request and the network discovery request both carry service contents required by the request NF network element; the network discovery request is used for indicating the center equipment to determine a target service network from the regional service networks according to the service content and the network service information of the regional service networks and feeding back the network service information of the target service network;

Determining a target NF network element from candidate NF network elements of the target service network according to network service information of the target service network;

and feeding back the network element service information of the target NF network element to the requesting NF network element so that the requesting NF network element obtains the service content from the target NF network element.

In one embodiment, determining the target NF network element from the candidate NF network elements of the target service network according to the network service information of the target service network comprises:

determining a second network management device of the target service network according to the network service information of the target service network;

sending a second network element discovery request carrying service content to second network management equipment; the second network element discovery request is used for indicating the second network management equipment to determine a target NF network element from candidate NF network elements of the target service network;

and acquiring network element service information of the target NF network element fed back by the second network management equipment.

In one embodiment, determining the second network management device of the target service network according to the network service information of the target service network includes:

if the number of the target service networks is at least two, determining a service providing network from the target service networks according to the network service information of the target service networks;

And using the network management device of the service providing network as a second network management device.

In one embodiment, after sending the second network element discovery request carrying the service content to the second network management device, the method further includes:

judging whether the service providing network is a trusted network according to the network service information of the service providing network;

if yes, exchanging network element service information with the second network management equipment.

In one embodiment, exchanging network element service information with a second network management device includes:

and carrying out security authentication on the second network management equipment, and exchanging network element service information with the second network management equipment under the condition that the security authentication passes.

In one embodiment, sending a network discovery request to a hub device includes:

judging whether a target NF network element capable of providing the service content exists in the NF network elements corresponding to the exchanged network element service information;

if not, a network discovery request is sent to the central device.

In one embodiment, obtaining network element service information of the target NF network element fed back by the second network management apparatus includes:

if the service providing network is an unreliable network, acquiring network element service information and an access token of a target NF network element fed back by the second network management equipment;

Correspondingly, feeding back the network element service information of the target NF network element to the requesting NF network element so that the requesting NF network element obtains the service content from the target NF network element, including:

and feeding back the network element service information and the access token of the target NF network element to the requesting NF network element so that the requesting NF network element acquires the service content from the target NF network element based on the access token.

and if the fact that the target NF network element does not exist in the first service network to which the first network management equipment belongs is determined, sending a network discovery request to the central equipment.

In one embodiment, the target service network comprises a functional network and/or a distributed network.

In one embodiment, the method further comprises:

receiving a network element service registration request sent by each candidate NF network element in a first service network to which first network management equipment belongs; the network element service registration request carries network element service information of each candidate NF network element;

Registering network element service for each candidate NF network element according to the network element service information of each candidate NF network element;

according to the network element service information of each candidate NF network element, determining the network service information of the first service network, and sending a network service registration request to the center equipment, wherein the network service registration request carries the network service information of the first service network and is used for indicating the center equipment to register network service for the first network management equipment.

In one embodiment, the method further comprises:

receiving a network element service update request sent by an updating NF network element; wherein, the network element service update request carries network element update information for updating the NF network element;

according to the network element updating information of the updated NF network element, updating the network element service of the updated NF network element;

and updating the network service information of the first service network according to the network element service information of the updated NF network element, and sending a network service update request to the central equipment, wherein the network service update request carries the network service information updated by the first service network and is used for indicating the central equipment to update the network service for the first network management equipment.

In a third aspect, the present application provides a further network service method applied to a second network management device, the method comprising:

Receiving a second network element discovery request carrying service content sent by first network management equipment; the second network element discovery request is sent after the first network management equipment receives network service information of the target service network fed back by the central equipment; the network service information of the target service network is determined from each regional service network by the center equipment according to the service content and the network service information of each regional service network;

determining a target NF network element from the candidate NF network elements in the regional service network to which the second network management equipment belongs according to the service content carried by the second network element discovery request;

and feeding back network element service information of the target NF network element to the first network management equipment, wherein the network element service information is used for requesting the NF network element to acquire service contents from the target NF network element.

In one embodiment, the second network element discovery request further carries operation subject information of network service information of the first network management device, and after receiving the second network element discovery request carrying service content sent by the first network management device, the method further includes:

judging whether the regional service network to which the first network management equipment belongs is a trusted network or not according to the operation subject information;

If yes, exchanging network element service information with the first network management equipment.

In one embodiment, exchanging network element service information with a first network management device includes:

and carrying out security authentication on the first network management equipment, and exchanging network element service information with the first network management equipment under the condition that the security authentication passes.

In one embodiment, feeding back network element service information of the target NF network element to the first network management apparatus includes:

if the regional service network to which the first network management device belongs is an unreliable network, feeding back network element service information and an access token of the target NF network element to the first network management device, so that the first network management device feeds back the network element service information and the access token of the target NF network element to the requesting NF network element, and the requesting NF network element obtains service contents from the target NF network element based on the access token.

In a fourth aspect, the present application provides a network service apparatus, applied to a central device, the apparatus comprising:

the first receiving module is used for receiving a network discovery request carrying service content sent by the first network management equipment; the network discovery request is generated after the first network management equipment receives a first network element discovery request carrying service content;

the first determining module is used for determining a target service network from all the regional service networks according to the service content and the network service information of all the regional service networks;

the first feedback module is used for feeding back the network service information of the target service network to the first network management equipment, wherein the network service information of the target service network is used for the first network management equipment to determine the network element service information of the target NF network element, and feeding back the network element service information of the target NF network element to the request NF network element so that the request NF network element obtains service contents from the target NF network element.

In a fifth aspect, the present application provides another network service apparatus, applied to a first network management device, the apparatus comprising:

the first sending module is used for responding to a first network element discovery request sent by the request NF network element, and sending a network discovery request to the center equipment, wherein the first network element discovery request and the network discovery request both carry service contents required by the request NF network element; the network discovery request is used for indicating the center equipment to determine a target service network from the regional service networks according to the service content and the network service information of the regional service networks and feeding back the network service information of the target service network;

The second determining module is used for determining target NF network elements from candidate NF network elements of the target service network according to the network service information of the target service network;

and the second feedback module is used for feeding back the network element service information of the target NF network element to the requesting NF network element so that the requesting NF network element obtains the service content from the target NF network element.

In a sixth aspect, the present application provides a further network service apparatus applied to a second network management device, the apparatus comprising:

a second receiving module, configured to receive a second network element discovery request carrying service content sent by the first network management device; the second network element discovery request is sent after the first network management equipment receives network service information of the target service network fed back by the central equipment; the network service information of the target service network is determined from each regional service network by the center equipment according to the service content and the network service information of each regional service network;

a third determining module, configured to determine, according to the service content carried by the second network element discovery request, a target NF network element from among the candidate NF network elements in the regional service network to which the second network management apparatus belongs;

and the third feedback module is used for feeding back network element service information of the target NF network element to the first network management equipment, wherein the network element service information is used for requesting the NF network element to acquire service contents from the target NF network element.

In a seventh aspect, the present application also provides a communication device comprising a memory storing a computer program, a transceiver for receiving data or transmitting data under control of the processor, and a processor implementing the steps of the network service method described above when the processor executes the computer program.

In an eighth aspect, the present application also provides a computer readable storage medium having stored thereon a computer program which when executed by a processor implements the steps of the network service method described above.

In a ninth aspect, the present application also provides a computer program product comprising a computer program which, when executed by a processor, implements the steps of the network service method described above.

The network service method is applied to the central equipment, the central equipment receives the network discovery request carrying the service content sent by the first network management equipment, wherein the network discovery request is generated after the first network management equipment receives the first network element discovery request carrying the service content, the target service network is determined from each regional service network according to the service content and the network service information of each regional service network, the network service information of the target service network is fed back to the first network management equipment, the network service information of the target service network is used for the first network management equipment to determine the network element service information of the target NF network element, and the network element service information of the target NF network element is fed back to the requesting NF network element so that the requesting NF network element obtains the service content from the target NF network element.

Drawings

Fig. 1 is an application environment diagram of a network service method provided in this embodiment;

fig. 2 is a flow chart of a first network service method according to the present embodiment;

fig. 3 is a schematic flow chart of network service registration for the first network service device according to the present embodiment;

fig. 4 is a schematic flow chart of performing network service update for the first network service device according to the present embodiment;

fig. 5 is a flow chart of a second network service method according to the present embodiment;

fig. 6 is a schematic flow chart of determining a target NF network element according to the present embodiment;

fig. 7 is a flowchart of determining whether a service providing network is a trusted network according to the present embodiment;

fig. 8 is a schematic flow chart of sending a network discovery request to a central device according to the present embodiment;

fig. 9 is a schematic diagram of a network architecture of a network service method according to the present embodiment;

fig. 10 is a flowchart of a third network service method according to the present embodiment;

fig. 11 is a flowchart illustrating a process of updating network service information of a first service network according to the present embodiment;

fig. 12 is a flowchart of a fourth network service method according to the present embodiment;

fig. 13 is a flowchart of a method for determining whether a regional service network to which a first network management device belongs is a trusted network according to the present embodiment;

Fig. 14 is a signaling interaction diagram of the network service method provided in the present embodiment;

fig. 15 is a signaling interaction diagram of a registration flow of a network service method according to the present embodiment;

fig. 16 is a signaling interaction diagram of the update flow of the network service method according to the present embodiment;

fig. 17 is a block diagram of a first network service device according to the present embodiment;

fig. 18 is a block diagram of a second network service device according to the present embodiment;

fig. 19 is a block diagram of a third network service device according to the present embodiment;

fig. 20 is an internal configuration diagram of the communication apparatus provided in the present embodiment.

Detailed Description

The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

The network service method provided by the embodiment of the application can be applied to the application environment shown in the figure 1. The central device 104 receives a network discovery request carrying service content sent by the first network management device 102, where the network discovery request is generated after the first network management device 102 receives a first network element discovery request carrying service content, the central device 104 determines a target service network from each regional service network according to the service content and network service information of each regional service network, and feeds back the network service information of the target service network to the first network management device 102, and the first network management device 102 performs service negotiation with the second network management device 102 of the target service network based on the network service information of the target service network, so that the first network management device 102 determines the network element service information of the target NF network element through the second network management device 102, and feeds back the network element service information of the target NF network element to the requesting NF network element, so that the requesting NF network element obtains the service content from the target NF network element.

The first network management device is a Service management device of an area Service network where the NF network element is located, and is mainly responsible for NF Service management in the network and also responsible for Service negotiation between the area Service networks. The requesting NF network element refers to an NF (Network Functions, network function) network element having a service requirement, and the target NF network element refers to an NF network element that can provide services for the requesting NF network element. The central device is a device (e.g., server, etc.) of the network registration center, and is responsible for managing network service information of each regional service network. The second network management device is a network service management device of a target service network where the target NF network element is located.

In one embodiment, fig. 2 is a flowchart of a network service method according to an embodiment of the present application, and the method is applied to the central device in fig. 1 for illustration, where the method includes the following steps:

s201, receiving a network discovery request carrying service content sent by first network management equipment; the network discovery request is generated by the first network management device after receiving a first network element discovery request carrying service content.

The service content refers to the service content for requesting the service required by the NF network element. The network discovery request refers to an instruction sent by the first network management device to the central device to request to acquire the target service network when the first network management device discovers that the target NF network element does not exist in the local service network, and the target NF network element exists in the target service network. The first network element discovery request refers to a request instruction carrying service content sent by a request NF network element.

S202, determining a target service network from the regional service networks according to the service content and the network service information of the regional service networks.

The network service information refers to service information of each regional service network, and includes at least one of network identification information, access mode information, network location information, network coverage information, operation subject information, network function information, network parameter information and network management equipment information. The network identifier may be a coded identifier customized according to a preset rule, for example, an identifier obtained by combining MCC (Mobile Country Code ), MCN (Mobile Network Code, mobile network code) and a custom number. But also network slice identification. The access mode information refers to a communication access mode of the regional service network, for example, sixth generation communication technology 6G, fifth generation communication technology 5G, fourth generation communication seems to be 4G, wiFi (Wireless Fidelity, also referred to as 802.11b standard) signal communication, satellite signal communication, near field communication, or the like. The network location information refers to location information of the regional service network. The network coverage information refers to the communication coverage of the regional service network. The operation subject information refers to an operation subject of the regional service network, such as an operator or contractor. The network function information may be a network function such as communication, intelligent awareness, etc. The network parameter information includes network capacity, network load, and the like. The network management device information mainly comprises the identity identification, address information and the like of the network management device.

An alternative implementation manner of this embodiment is as follows: and determining the target service network from the regional service networks according to the service content and the network function information in the network service information of the regional service networks. For example, according to the intelligent perception function of the network capability information in the network service information, the regional service network which can provide the service content is matched as the target service network.

Another alternative implementation of this embodiment is: and determining the target service network from the regional service networks according to the service content, the network function information and the network parameter information in the network service information of the regional service networks. Specifically, according to the service content and the network function information in the network service information of each regional service network, determining candidate regional service networks, and then according to the network capacity, network load and other performance indexes in the network parameter information, selecting the candidate regional service network with the performance index meeting the requirement (for example, exceeding the set index threshold value) as the target service network.

And S203, feeding back the network service information of the target service network to the first network management equipment, wherein the network service information of the target service network is used for the first network management equipment to determine the network element service information of the target NF network element, and feeding back the network element service information of the target NF network element to the requesting NF network element so that the requesting NF network element obtains service contents from the target NF network element.

The network element service information refers to service information of NF network elements, and mainly includes NF network element identification information, NF supported service information, and an FQDN (Fully Qualified Domain Name, domain name)/IP (Internet Protocol Address, internet address) address corresponding to NF.

Optionally, in this embodiment, the network service information of the target service network is fed back to the first network management device, so that the first network management device determines, according to the network service information of the target service network, a second network management device of the target service network, and performs service negotiation with the second network management device, so that the second network management device feeds back the network element service information of the target NF network element to the first network management device, and the first network management device feeds back the network element service information of the target NF network element to the requesting NF network element, so that the requesting NF network element obtains the service content from the target NF network element.

The network service method in this embodiment is applied to a central device, where the central device receives a network discovery request with service content sent by a first network management device, where the network discovery request is generated after the first network management device receives the first network element discovery request with service content, and determines a target service network from each regional service network according to the service content and the network service information of each regional service network, and feeds back the network service information of the target service network to the first network management device, where the network service information of the target service network is used for the first network management device to determine the network element service information of the target NF network element, and feeds back the network element service information of the target NF network element to the requesting NF network element, so that the requesting NF network element obtains the service content from the target NF network element.

In one embodiment, before the first network management device sends the network discovery request to the central device, the registration needs to be completed in advance, as shown in fig. 3, and an alternative implementation method of the network service method includes:

s301, a network service registration request sent by a first network service device is received. The network service registration request carries network service information of an area service network to which the first network management device belongs; the network service registration request is generated after the first network management device performs network element service registration in response to the network element service registration request.

The network service registration request refers to a request instruction sent by the first network service device when registering with the central device for the regional service network.

S302, network service registration is carried out for the first network service equipment according to the network service information in the network service registration request.

Optionally, in this embodiment, the central device performs network service registration for the first network service device according to the network service information in the network service registration request, and stores the network service information into a corresponding configuration file (for example, profile file).

In this embodiment, the central device receives a network service registration request sent by a first network service device; the network service registration request carries network service information of an area service network to which the first network management device belongs; the network service registration request is generated after the first network management equipment responds to the network element service registration request to register the network element service; and registering the network service for the first network service equipment according to the network service information in the network service registration request, and storing the corresponding network service information.

In one embodiment, the central device may further provide an update service of network service information for the regional service network, as shown in fig. 4, and an alternative implementation of the network service method includes:

s401, a network service update request sent by a first network service device is received. The network service update request carries network update information of an area service network to which the first network management device belongs; the network service update request is generated after the first network management device performs network element service update in response to the network element service update request.

When the network service information of the regional service network is updated, the network service update request is an update request which needs to be sent to the central device in order to synchronously update the network service information corresponding to the regional service network stored in the central device.

S402, according to the network updating information in the network service updating request, the network service is updated for the first network service equipment.

The network update information refers to information in which update exists in the network service information, for example, network parameter information in the network service information is changed (for example, network capacity information is changed), or a model reasoning service is added to the network service information.

Optionally, in this embodiment, according to the network update information in the network service update request, the network service update is performed for the first network service device, and the network service information stored in the configuration file (for example, profile file) is updated.

In this embodiment, a network service update request sent by a first network service device is received, where the network service update request carries network update information of an area service network to which the first network management device belongs; the network service update request is generated after the first network management equipment responds to the network element service update request to update the network element service; according to the network updating information in the network service updating request, network service updating service is carried out for the first network service equipment, so that the network service information of the regional service network stored in the central equipment can be updated in time.

In one embodiment, fig. 5 is a flowchart of a network service method according to an embodiment of the present application, and the method is applied to the first network management device in fig. 1, for example, and the method includes the following steps:

s501, responding to a first network element discovery request sent by a request NF network element, and sending a network discovery request to a center device. The first network element discovery request and the network discovery request both carry service contents required by the NF network element; the network discovery request is used for indicating the central equipment to determine a target service network from the regional service networks according to the service content and the network service information of the regional service networks, and feeding back the network service information of the target service network.

Optionally, the network service information in this embodiment includes at least one of network identification information, access mode information, network location information, network coverage information, operation body information, network function information, network parameter information, and network management device information of the regional service network.

S502, determining a target NF network element from candidate NF network elements of the target service network according to the network service information of the target service network.

Optionally, in this embodiment, the second network management device of the target service network is determined according to network service information of the target service network, and the target NF network element is determined from the candidate NF network elements by searching the network element service information of each candidate NF network element stored in the second network management device.

S503, feeding back the network element service information of the target NF network element to the requesting NF network element so that the requesting NF network element obtains the service content from the target NF network element.

Optionally, in this embodiment, the network element service information of the target NF network element is fed back to the requesting NF network element, so that the requesting NF network element and the target NF network element establish communication, and the target NF network element provides corresponding services for the requesting NF network element based on the service content.

In this embodiment, a network discovery request is sent to a central device in response to a first network element discovery request sent by a request NF network element, where the first network element discovery request and the network discovery request both carry service contents required by the request NF network element; the network discovery request is used for indicating the center equipment to determine a target service network from the regional service networks according to the service content and the network service information of the regional service networks and feeding back the network service information of the target service network; determining a target NF network element from candidate NF network elements of the target service network according to network service information of the target service network; and feeding back the network element service information of the target NF network element to the requesting NF network element so that the requesting NF network element obtains the service content from the target NF network element, thereby effectively improving the response speed of determining the target NF network element and the service efficiency of providing service for the requesting NF network element.

In one embodiment, in order to determine the target NF network element more accurately and quickly, as shown in fig. 6, S502 is an alternative implementation, including:

s601, determining a second network management device of the target service network according to the network service information of the target service network.

An alternative implementation manner of this embodiment is as follows: if the number of the target service networks is one, determining second network management equipment of the target service network according to network management equipment information in network service information of the target service network.

Another alternative implementation of this embodiment is: if the number of the target service networks is more than two, determining a service providing network from the target service networks according to at least one item of information in the network service information of the target service networks, and taking network management equipment of the service providing network as second network management equipment. For example, a target service network closest to a local service network is selected as a service providing network based on network location information in network service information of the target service network, and a network management device of the service providing network is used as a second network management device.

Yet another alternative implementation of this embodiment is: if the number of the target service networks is more than two, determining a service providing network from the target service networks according to network position information and network coverage information in network service information of the target service networks, and taking network management equipment of the service providing network as second network management equipment.

In this embodiment, according to the network location information and the network coverage information in the network service information of the target service network, an optional implementation manner of determining the service providing network from the target service network is as follows: and selecting the regional service network which is closest to the local service network and is in the network coverage supporting range as a service providing network.

S602, sending a second network element discovery request carrying service content to second network management equipment; the second network element discovery request is used for instructing the second network management device to determine the target NF network element from the candidate NF network elements of the target serving network.

The second network element discovery request refers to a request instruction sent by the first network management device to obtain the target NF network element after the second network management device is determined.

Optionally, in this embodiment, a second network element discovery request carrying the service content is sent to the second network management device, so as to instruct the second network management device to determine, from the network element service information of the candidate NF network elements of the target service network, a target NF network element that can provide the service content.

S603, acquiring network element service information of the target NF network element fed back by the second network management equipment.

According to network service information of a target service network, second network management equipment of the target service network is determined, and a second network element discovery request carrying service content is sent to the second network management equipment; the second network element discovery request is used for indicating the second network management equipment to determine the target NF network element from the candidate NF network elements of the target service network, so that the network element service information of the target NF network element fed back by the second network management equipment can be acquired more quickly, and the determination efficiency of the target NF network element is effectively improved.

On the basis of the foregoing embodiment, after sending a second network element discovery request carrying service content to a second network management device, as shown in fig. 7, an alternative implementation manner of a network service method includes:

s701, judging whether the service providing network is a trusted network according to the network service information of the service providing network. If yes, then S702 is performed. If not, S703 is performed.

Optionally, in this embodiment, whether the service providing network is a trusted network may be determined according to the operation subject information in the network service information of the service providing network. For example, if the service providing network and the local service network have the same operating body, the service providing network may be determined to be a trusted network; if the service providing network and the local service network are not the same, the service providing network may be determined to be an untrusted network.

S702, exchanging network element service information with the second network management equipment.

Optionally, in this embodiment, the second network management device may perform security authentication first, and exchange network element service information with the second network management device when the security authentication passes.

And if the service providing network is a trusted network, exchanging network element service information with the second network management equipment. When the first network management equipment acquires the target NF network element, the first network management equipment can directly search from the exchanged network element service information without executing the steps, and the determination efficiency of the target NF network element can be further improved.

S703, obtaining the network element service information and the access token of the target NF network element fed back by the second network management equipment.

On the basis, the optional implementation mode for feeding back the network element service information of the target NF network element to the requesting NF network element so that the requesting NF network element obtains the service content from the target NF network element comprises the following steps: and feeding back the network element service information and the access token of the target NF network element to the requesting NF network element so that the requesting NF network element acquires the service content from the target NF network element based on the access token.

In this embodiment, after determining the service providing network, whether the service providing network is a trusted network is further determined, if the service providing network is a trusted network, security authentication is performed on the second network management device, and if the security authentication passes, network element service information is exchanged with the second network management device, if the service providing network is an untrusted network, communication security authentication with the target NF network element is performed only by accessing the token, and after the communication security authentication passes, corresponding service content is obtained.

On the basis of the above embodiment, as shown in fig. 8, an alternative implementation manner of sending a network discovery request to a central device includes:

s801, judging whether a target NF network element capable of providing service content exists in NF network elements corresponding to the exchanged network element service information;

s802, if the network discovery request does not exist, the network discovery request is sent to the center equipment.

It should be noted that, if the NF network element corresponding to the exchanged network element service information has a target NF network element capable of providing the service content, the network element service information of the target NF network element is fed back to the requesting NF network element, so that the requesting NF network element and the target NF network element establish service communication, and the target NF network element provides the service content for the requesting NF network element.

In this embodiment, whether the target NF network element capable of providing the service content exists or not may be determined by using NF network elements corresponding to the exchanged network element service information, so that the service negotiation process of the first network management device and the second network management device is not required to be executed, and the determination efficiency of the target NF network element is improved.

In one embodiment, an optional implementation of sending a network discovery request to a central device includes: and if the fact that the target NF network element does not exist in the first service network to which the first network management equipment belongs is determined, sending a network discovery request to the central equipment. That is, when the request NF network element has a service requirement, the first network management apparatus first determines whether the local service network has a target NF network element, and if so, the target NF network element of the local service network provides service content for the request NF network element; if not, a network discovery request is sent to the central equipment, and a target NF network element is determined from the external regional service network.

The functional network refers to a network that can provide a value added service requirement for a user, and as shown in fig. 9, the functional network may include a connection communication network, a holographic communication network, a sensing service network, an intelligent service network, and the like. The distributed network mainly includes 2C (to consumer) sink edge networks and 2B (business oriented) private networks coexist. The functional network and the distributed network belong to one of the regional service networks, the number of general functional networks is 1, the number of the distributed networks is a plurality, and the functional network can provide functional services for each distributed network, that is, the functional network belongs to a common network, in this embodiment, the target NF network element may be one network element in the functional network, or may be one network element in the distributed network. In the following, with reference to a specific example, further explaining the application of the functional network and the distributed network, as shown in fig. 9, the request NF network element is one NF network element in the distributed network a, when there is a service requirement and no target NF network element exists in the local distributed network, the first network management device sends a network discovery request to the central device, the central device uses the distributed network B as a target service network according to the network service information of the functional network and the distributed network B, and feeds back the network service information of the distributed network B to the distributed network a, and then the distributed network a performs service negotiation with the distributed network B, so as to determine the target NF network element from the distributed network B.

In one embodiment, as shown in fig. 10, an alternative implementation of a network service method includes:

s1001, receiving a network element service registration request sent by each candidate NF network element in a first service network to which a first network management device belongs. The network element service registration request carries network element service information of each candidate NF network element.

The network element service registration request refers to a request instruction sent when the NF network element applies for service registration to the network management device.

S1002, registering network element service for each candidate NF network element according to the network element service information of each candidate NF network element.

S1003, according to the network element service information of each candidate NF network element, determining the network service information of the first service network, and sending a network service registration request to the center equipment, wherein the network service registration request carries the network service information of the first service network and is used for indicating the center equipment to register network service for the first network management equipment.

Optionally, in this embodiment, network service information of the first service network is generated according to network element service information of each candidate NF network element, and a network service registration request is sent to the central device, where the network service registration request carries the network service information of the first service network, so that the central device performs network service registration for the first network management device.

In this embodiment, the first network management device receives a network element service registration request sent by each candidate NF network element in the first service network to which the first network management device belongs, where the network element service registration request carries network element service information of each candidate NF network element, performs network element service registration for each candidate NF network element according to the network element service information of each candidate NF network element, determines network service information of the first service network according to the network element service information of each candidate NF network element, and sends a network service registration request to the central device, where the network service registration request carries network service information of the first service network and is used to instruct the central device to perform network service registration for the first network management device, thereby completing network element service registration of the NF network element and network service registration of the network management device.

In one embodiment, as shown in fig. 11, an alternative implementation of a network service method includes:

s1101, receiving a network element service update request sent by an update NF network element. The network element update request carries network element update information for updating the NF network element.

The network element service update request refers to an update request instruction sent to the network management device when the service, function, performance and configuration parameters of the NF network element change. The network element update information refers to information that NF network elements change.

And S1102, updating the network element service for the updated NF network element according to the network element updating information of the updated NF network element.

S1103, according to the network element service information of the updated NF network element, updating the network service information of the first service network, and sending a network service update request to the central device, wherein the network service update request carries the network service information updated by the first service network and is used for indicating the central device to update the network service for the first network management device.

In this embodiment, the first network management device receives a network element service update request sent by an NF network element; wherein, the network element service update request carries network element update information for updating the NF network element; according to the network element updating information of the updated NF network element, updating the network element service of the updated NF network element; according to the network element updating information of the updated NF network element, updating the network service information of the first service network, and sending a network service updating request to the central equipment, wherein the network service updating request carries the network service information updated by the first service network and is used for indicating the central equipment to update the network service for the first network management equipment so as to complete the updating of the network element service information of the updated NF network element and the updating of the network service information.

In one embodiment, fig. 12 is a flowchart of a network service method according to an embodiment of the present application, and the method is applied to the second network management device in fig. 1, for example, and the method includes the following steps:

s1201, a second network element discovery request carrying service content sent by the first network management device is received. The second network element discovery request is sent after the first network management equipment receives network service information of the target service network fed back by the central equipment; the network service information of the target service network is determined from each regional service network by the center device according to the service content and the network service information of each regional service network.

S1202, determining a target NF network element from the candidate NF network elements in the regional service network to which the second network management equipment belongs according to the service content carried by the second network element discovery request.

Optionally, in this embodiment, according to the service content carried by the second network element discovery request, the service content is matched with the network element service information of each candidate NF network element in the regional service network to which the second network management device belongs, so as to determine the target NF network element from each candidate NF network element.

S1203, feeding back network element service information of the target NF network element to the first network management apparatus, where the network element service information is used for requesting the NF network element to acquire service content from the target NF network element.

Optionally, in this embodiment, the second network management device receives a second network element discovery request carrying service content sent by the first network management device, determines, according to the service content carried by the second network element discovery request, a target NF network element from candidate NF network elements in an area service network to which the second network management device belongs, and then feeds back, to the first network management device, network element service information of the target NF network element, where the network element service information is used for requesting the NF network element to obtain the service content from the target NF network element.

In one embodiment, the second network element discovery request further carries operation subject information of network service information of the first network management device, and after receiving the second network element discovery request carrying service content sent by the first network management device, as shown in fig. 13, an alternative embodiment of a network service method includes:

S1301, judging whether the regional service network to which the first network management device belongs is a trusted network or not according to the operation subject information. If yes, then execute S1302; if not, then S1303 is performed.

If the regional service network to which the second network management device belongs and the regional service network to which the first network management device belongs belong to the same operation main body, determining that the regional service network to which the first network management device belongs is a trusted network. If the regional service network to which the second network management device belongs and the regional service network to which the first network management device belongs do not belong to the same operation subject, determining that the regional service network to which the first network management device belongs is an untrusted network.

S1302, exchanging network element service information with the first network management device.

Optionally, in this embodiment, security authentication is performed on the first network management device, and network element service information is exchanged with the first network management device when the security authentication passes.

S1303, feeding back network element service information and an access token of the target NF network element to the first network management equipment, so that the first network management equipment feeds back the network element service information and the access token of the target NF network element to the requesting NF network element, and the requesting NF network element obtains service content from the target NF network element based on the access token.

In this embodiment, operation subject information is added to determine whether the regional service network to which the first network management device belongs is a trusted network, if so, network element service information is exchanged with the first network management device, and whether a target NF network element exists is determined from the first network management device by using the exchanged network element service information. And if the network is an untrusted network, feeding back network element service information and an access token of the target NF network element to the first network management equipment, so that the requesting NF network element can acquire service contents from the target NF network element based on the access token.

In one embodiment, as shown in fig. 14, an optional implementation manner of a network service method is provided, where the embodiment provides a method for requesting NF network elements, a first network management device, a central device, a second network management device, and a target NF network element, and implementing network services by five-end interaction, specifically includes:

s1401, a NF network element is requested to send a first network element discovery request to a first network management device. Wherein the first network element cashback request carries service content.

S1402, the first network management device determines whether there is a target NF network element that can provide the service content in NF network elements corresponding to the exchanged network element service information and in the first service network to which the NF network element service information belongs.

S1403, if not, the first network management device sends a network discovery request to the center device.

The central device receives the network discovery request carrying the service content sent by the first network management device S1404.

The center device determines a target service network from among the regional service networks based on the service contents and the network service information of the regional service networks S1405.

S1406, the central device feeds back the network service information of the target service network to the first network management device.

S1407, if the number of the target service networks is at least two, the first network management device determines a service providing network from the target service networks according to the network service information of the target service networks;

s1408, the first network management apparatus regards the network management apparatus of the service providing network as the second network management apparatus.

S1409, the first network management device sends a second network element discovery request carrying the service content to the second network management device.

S14010, the second network management device receives the second network element discovery request carrying the service content sent by the first network management device.

S14011, the second network management device determines a target NF network element from the candidate NF network elements in the regional service network to which the second network management device belongs according to the service content carried by the second network element discovery request.

S14012, the second network management device feeds back the network element service information of the target NF network element to the first network management device.

S14013, the first network management device feeds back the network element service information of the target NF network element to the requesting NF network element, so that the requesting NF network element obtains the service content from the target NF network element.

The embodiment also includes a registration process of three-terminal interaction of the candidate NF network element, the first network management device, and the central device, as shown in fig. 15, and the specific steps are as follows:

s1501, each candidate NF network element sends a network element service registration request to the first network management device. The network element service registration request carries network element service information of each candidate NF network element.

S1502, the first network management device registers network element services for each candidate NF network element according to the network element service information of each candidate NF network element.

In S1503, the first network management device determines network service information of the first service network according to the network element service information of each candidate NF network element, and sends a network service registration request to the central device. The network service registration request carries network service information of the first service network.

S1504, the central device performs network service registration for the first network management device.

S1505, the center device feeds back the registration result to the first network management device.

The embodiment also includes an updating process for updating three-terminal interaction of the NF network element, the first network management device, and the central device, as shown in fig. 16, and the specific steps are as follows:

s1601, the update NF network element sends a network element service update request to the first network management device, where the network element service update request carries network element update information for updating the NF network element.

And S1602, the first network management equipment updates network element service for the updated NF network element according to the network element updating information of the updated NF network element.

S1603, the first network management device updates the network service information of the first service network according to the network element service information of the NF network element, and sends a network service update request to the center device. The network service update request carries network service information updated by the first service network.

S1604, the central device performs network service update for the first network management device.

S1605, the center device feeds back an update result of the update service to the first network management device.

The central device receives the network discovery request carrying the service content sent by the first network management device, wherein the network discovery request is generated after the first network management device receives the first network element discovery request carrying the service content, determines the target service network from each regional service network according to the service content and the network service information of each regional service network, feeds back the network service information of the target service network to the first network management device, and the network service information of the target service network is used for the first network management device to determine the network element service information of the target NF network element and feeds back the network element service information of the target NF network element to the requesting NF network element, so that the requesting NF network element obtains the service content from the target NF network element, the response speed of the requesting NF network element for requesting the service is effectively improved, and the efficiency for requesting NF network element service is greatly improved.

It should be understood that, although the steps in the flowcharts related to the embodiments described above are sequentially shown as indicated by arrows, these steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in the flowcharts described in the above embodiments may include a plurality of steps or a plurality of stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily performed sequentially, but may be performed alternately or alternately with at least some of the other steps or stages.

Based on the same inventive concept, the embodiment of the application also provides a network service device for realizing the above-mentioned network service method. The implementation of the solution provided by the device is similar to the implementation described in the above method, so the specific limitation in the embodiments of one or more network service devices provided below may refer to the limitation of the network service method hereinabove, and will not be repeated here.

In one embodiment, a block diagram of the network service device in one embodiment is shown by fig. 17. As shown in fig. 17, there is provided a network service apparatus 1 applied to a center device, the apparatus including:

a first receiving module 11, configured to receive a network discovery request carrying service content sent by a first network management device; the network discovery request is generated after the first network management equipment receives a first network element discovery request carrying service content;

a first determining module 12, configured to determine a target service network from the regional service networks according to the service content and the network service information of the regional service networks;

the first feedback module 13 is configured to feed back network service information of the target service network to the first network management device, where the network service information of the target service network is used for the first network management device to determine network element service information of the target NF network element, and feed back the network element service information of the target NF network element to the requesting NF network element, so that the requesting NF network element obtains service content from the target NF network element.

In one embodiment, the first determining module 12 in fig. 17 is further specifically configured to: and determining the target service network from the regional service networks according to the service content, the network function information and the network parameter information in the network service information of the regional service networks.

In one embodiment, the target message is a SRv message, and the adding module 12 is specifically configured to: and adding the first check data into the segment routing extension header SRH of the target message.

In one embodiment, the network service device in fig. 17 above further includes:

a third receiving module, configured to receive a network service registration request sent by the first network service device; the network service registration request carries network service information of an area service network to which the first network management device belongs; the network service registration request is generated after the first network management equipment responds to the network element service registration request to register the network element service;

and the first registration module is used for registering the network service for the first network service equipment according to the network service information in the network service registration request.

a fourth receiving module, configured to receive a network service update request sent by the first network service device; the network service update request carries network update information of an area service network to which the first network management device belongs; the network service update request is generated after the first network management equipment responds to the network element service update request to update the network element service;

And the first updating module is used for updating the network service for the first network service equipment according to the network updating information in the network service updating request.

In one embodiment, the network service information in the first determining module 12 and the first feedback module 13 in fig. 17 includes at least one of network identification information, access mode information, network location information, network coverage information, operation subject information, network function information, network parameter information, and network management device information of the regional service network.

In one embodiment, a block diagram of the network service device in one embodiment is shown by fig. 18. As shown in fig. 18, there is provided a network service apparatus 2 applied to a first network management device, the apparatus including:

a first sending module 21, configured to send a network discovery request to a central device in response to a first network element discovery request sent by a request NF network element, where the first network element discovery request and the network discovery request both carry service contents required by the request NF network element; the network discovery request is used for indicating the center equipment to determine a target service network from the regional service networks according to the service content and the network service information of the regional service networks and feeding back the network service information of the target service network; wherein the target service network comprises a functional network and/or a distributed network.

A second determining module 22, configured to determine a target NF network element from the candidate NF network elements of the target service network according to the network service information of the target service network;

and the second feedback module 23 is configured to feed back the network element service information of the target NF network element to the requesting NF network element, so that the requesting NF network element obtains the service content from the target NF network element.

In one embodiment, in fig. 18, the second determining module 22 further includes:

a first determining unit, configured to determine a second network management device of the target service network according to network service information of the target service network;

a first sending unit, configured to send a second network element discovery request carrying service content to a second network management device; the second network element discovery request is used for indicating the second network management equipment to determine a target NF network element from candidate NF network elements of the target service network;

the first obtaining unit is used for obtaining the network element service information of the target NF network element fed back by the second network management equipment.

In one embodiment, the first determining unit is further specifically configured to: if the number of the target service networks is at least two, determining a service providing network from the target service networks according to the network position and the network coverage range in the network service information of the target service networks; and using the network management device of the service providing network as a second network management device.

In one embodiment, the first transmitting unit is further specifically configured to: judging whether the service providing network is a trusted network according to the network service information of the service providing network; if yes, exchanging network element service information with the second network management equipment.

In one embodiment, the first transmitting unit is further specifically configured to: and carrying out security authentication on the second network management equipment, and exchanging network element service information with the second network management equipment under the condition that the security authentication passes.

In one embodiment, the first sending module 21 further includes:

a first judging unit, configured to judge whether a target NF network element capable of providing the service content exists in NF network elements corresponding to the exchanged network element service information;

and the second sending unit is used for sending a network discovery request to the central equipment if the network discovery request does not exist.

In one embodiment, the first obtaining unit is further specifically configured to: if the service providing network is an unreliable network, acquiring network element service information and an access token of a target NF network element fed back by the second network management equipment; correspondingly, feeding back the network element service information of the target NF network element to the requesting NF network element so that the requesting NF network element obtains the service content from the target NF network element, including: and feeding back the network element service information and the access token of the target NF network element to the requesting NF network element so that the requesting NF network element acquires the service content from the target NF network element based on the access token.

In one embodiment, the network service information in the above embodiment includes at least one of network identification information, access mode information, network location information, network coverage information, operation subject information, network function information, network parameter information, and network management device information of the regional service network.

In one embodiment, the first sending module 21 is further specifically configured to: and if the fact that the target NF network element does not exist in the first service network to which the first network management equipment belongs is determined, sending a network discovery request to the central equipment.

In one embodiment, the network service device 2 in fig. 18 above further includes:

a fifth receiving module, configured to receive a network element service registration request sent by each candidate NF network element in the first service network to which the first network management device belongs; the network element service registration request carries network element service information of each candidate NF network element;

the second registration module is used for registering network element services for each candidate NF network element according to the network element service information of each candidate NF network element;

and the fourth determining module is used for determining the network service information of the first service network according to the network element service information of each candidate NF network element, and sending a network service registration request to the center equipment, wherein the network service registration request carries the network service information of the first service network and is used for indicating the center equipment to register network service for the first network management equipment.

a sixth receiving module, configured to receive a network element service update request sent by an NF network element; wherein, the network element service update request carries network element update information for updating the NF network element;

the second updating module is used for updating the network element service of the updating NF network element according to the network element updating information of the updating NF network element;

the third updating module is configured to update network service information of the first service network according to network element service information of the NF network element, and send a network service update request to the central device, where the network service update request carries the network service information updated by the first service network, and is configured to instruct the central device to update the network service for the first network management device.

In one embodiment, a block diagram of the network service device in one embodiment is shown by fig. 19. As shown in fig. 19, there is provided a network service apparatus 3 applied to a second network management device, the apparatus including:

a second receiving module 31, configured to receive a second network element discovery request carrying service content sent by the first network management device; the second network element discovery request is sent after the first network management equipment receives network service information of the target service network fed back by the central equipment; the network service information of the target service network is determined from each regional service network by the center equipment according to the service content and the network service information of each regional service network;

A third determining module 32, configured to determine, according to the service content carried by the second network element discovery request, a target NF network element from among the candidate NF network elements in the regional service network to which the second network management apparatus belongs;

and a third feedback module 33, configured to feed back, to the first network management device, network element service information of the target NF network element, where the network element service information is used for requesting the NF network element to acquire service content from the target NF network element.

In one example, the second network element discovery request further carries operation subject information of network service information of the first network management device, and on this basis, the second receiving module 31 is further specifically configured to:

the second judging unit is used for judging whether the regional service network to which the first network management equipment belongs is a trusted network according to the operation subject information;

and the first switching unit is used for switching network element service information with the first network management equipment if the network element service information is the same.

In one embodiment, the first switching unit is further specifically configured to: and carrying out security authentication on the first network management equipment, and exchanging network element service information with the first network management equipment under the condition that the security authentication passes.

In one embodiment, the third feedback module 33 is further specifically configured to: if the regional service network to which the first network management device belongs is an unreliable network, feeding back network element service information and an access token of the target NF network element to the first network management device, so that the first network management device feeds back the network element service information and the access token of the target NF network element to the requesting NF network element, and the requesting NF network element obtains service contents from the target NF network element based on the access token.

In one embodiment, the network service information in the second receiving module 31 and the third feedback module 33 in fig. 19 above includes at least one of network identification information, access mode information, network location information, network coverage information, operation subject information, network function information, network parameter information, and network management device information of the regional service network.

The respective modules in the above-described network service apparatus may be implemented in whole or in part by software, hardware, and combinations thereof. The above modules may be embedded in hardware or may be independent of a processor in the communication device, or may be stored in software in a memory in the communication device, so that the processor may call and execute operations corresponding to the above modules.

In one embodiment, a communication device is provided, which may be a server, and the internal structure thereof may be as shown in fig. 20. The communication device includes a processor, a memory, a network interface, and a transceiver connected by a system bus. Wherein the processor of the communication device is configured to provide computing and control capabilities. The memory of the communication device includes a non-volatile storage medium and an internal memory. The transceiver of the communication device is configured to perform operations of receiving data or transmitting data under control of the processor. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database of the communication device is used for storing data such as multi-homing information, subscription information and the like. The network interface of the communication device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a network service method.

It will be appreciated by those skilled in the art that the structure shown in fig. 20 is merely a block diagram of a portion of the structure associated with the present inventive arrangements and is not limiting of the communication device to which the present inventive arrangements are applied, and in particular, the communication device may include more or less components than those shown, or may combine some of the components, or have a different arrangement of components.

In one embodiment, a communication device is provided, comprising a memory, a transceiver and a processor, the memory storing a computer program, the transceiver being adapted to receive data or to transmit data under control of the processor, the processor executing the computer program to perform the steps of:

In one embodiment, another communication device is provided, comprising a memory, a transceiver and a processor, the memory storing a computer program, the transceiver being adapted to receive data or to transmit data under control of the processor, the processor executing the computer program to perform the steps of:

In one embodiment, there is provided a communication device comprising a memory, a transceiver and a processor, the memory storing a computer program, the transceiver being for receiving data or transmitting data under control of the processor, the processor executing the computer program to perform the steps of:

The principles and specific procedures of implementing the foregoing embodiments of the communication device provided in the foregoing embodiments may be referred to the description in the network service method embodiment in the foregoing embodiments, which is not repeated herein.

In one embodiment, a computer readable storage medium is provided having a computer program stored thereon, which when executed by a processor, performs the steps of:

In one embodiment, another computer-readable storage medium is provided, having stored thereon a computer program which, when executed by a processor, performs the steps of:

In one embodiment, there is provided a further computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:

The principles and specific procedures of implementing the foregoing embodiments of the present invention in the foregoing embodiments of the target detection method may be referred to in the foregoing embodiments of the present invention, and are not described herein in detail.

In one embodiment, a computer program product is provided comprising a computer program which, when executed by a processor, performs the steps of:

In one embodiment, another computer program product is provided comprising a computer program which, when executed by a processor, performs the steps of:

In one embodiment, there is provided a computer program product comprising a computer program which, when executed by a processor, performs the steps of:

The principles and specific procedures of implementing the foregoing embodiments of the present application in the foregoing embodiments of the target detection method may be referred to in the foregoing embodiments of the present application, and are not described herein in detail.

It should be noted that, the data related to the present application (including, but not limited to, data in the network service process, etc.) are all data fully authorized by each party, and the collection, use and processing of the related data need to comply with the related laws and regulations and standards of the related country and region.

Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, database, or other medium used in embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high density embedded nonvolatile Memory, resistive random access Memory (ReRAM), magnetic random access Memory (Magnetoresistive Random Access Memory, MRAM), ferroelectric Memory (Ferroelectric Random Access Memory, FRAM), phase change Memory (Phase Change Memory, PCM), graphene Memory, and the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory, and the like. By way of illustration, and not limitation, RAM can be in the form of a variety of forms, such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM), and the like. The databases referred to in the embodiments provided herein may include at least one of a relational database and a non-relational database. The non-relational database may include, but is not limited to, a blockchain-based distributed database, and the like. The processor referred to in the embodiments provided in the present application may be a general-purpose processor, a central processing unit, a graphics processor, a digital signal processor, a programmable logic unit, a data processing logic unit based on quantum computing, or the like, but is not limited thereto.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of the application should be assessed as that of the appended claims.

Claims

1. A network service method, applied to a central device, the method comprising:

receiving a network discovery request carrying service content sent by first network management equipment; the network discovery request is generated after the first network management equipment receives a first network element discovery request carrying the service content;

And feeding back the network service information of the target service network to first network management equipment, wherein the network service information of the target service network is used for the first network management equipment to determine the network element service information of a target NF network element, and feeding back the network element service information of the target NF network element to a request NF network element so that the request NF network element obtains the service content from the target NF network element.

2. The method of claim 1, wherein the determining the target service network from among the regional service networks based on the service content and the network service information of the regional service networks comprises:

and determining a target service network from the regional service networks according to the service content, and the network function information and the network parameter information in the network service information of the regional service networks.

3. The method according to claim 1 or 2, wherein the method further comprises:

receiving a network service registration request sent by first network service equipment; wherein, the network service registration request carries network service information of an area service network to which the first network management device belongs; the network service registration request is generated after the first network management equipment responds to the network element service registration request to register network element services;

4. The method according to claim 1 or 2, wherein the method further comprises:

receiving a network service update request sent by first network service equipment; wherein, the network service update request carries network update information of an area service network to which the first network management device belongs; the network service update request is generated after the first network management equipment responds to the network element service update request to update the network element service;

5. The method of claim 1, wherein the network service information comprises at least one of network identification information, access manner information, network location information, network coverage information, operator information, network function information, network parameter information, and network management device information of a regional service network.

6. A network service method applied to a first network management device, the method comprising:

Responding to a first network element discovery request sent by a request NF network element, and sending a network discovery request to central equipment, wherein the first network element discovery request and the network discovery request both carry service contents required by the request NF network element; the network discovery request is used for indicating the central equipment to determine a target service network from the regional service networks according to the service content and the network service information of the regional service networks, and feeding back the network service information of the target service network;

determining a target NF network element from candidate NF network elements of the target service network according to the network service information of the target service network;

and feeding back the network element service information of the target NF network element to the request NF network element so that the request NF network element obtains the service content from the target NF network element.

7. The method of claim 6, wherein determining a target NF network element from the candidate NF network elements of the target serving network based on the network service information of the target serving network, comprises:

Sending a second network element discovery request carrying the service content to the second network management equipment; the second network element discovery request is used for indicating the second network management equipment to determine a target NF network element from candidate NF network elements of a target service network;

8. The method of claim 7, wherein the determining the second network management device of the target service network according to the network service information of the target service network comprises:

9. The method of claim 8, wherein after sending the second network element discovery request carrying the service content to the second network management device, further comprising:

judging whether the service providing network is a trusted network or not according to the network service information of the service providing network;

10. The method of claim 9, wherein said exchanging network element service information with said second network management device comprises:

11. The method of claim 9, wherein the sending a network discovery request to the central device comprises:

if not, a network discovery request is sent to the central device.

12. The method according to claim 9, wherein the obtaining the network element service information of the target NF network element fed back by the second network management apparatus includes:

if the service providing network is an untrusted network, acquiring network element service information and an access token of the target NF network element fed back by the second network management equipment;

correspondingly, the feeding back the network element service information of the target NF network element to the requesting NF network element, so that the requesting NF network element obtains the service content from the target NF network element, including:

And feeding back the network element service information of the target NF network element and the access token to the request NF network element so that the request NF network element obtains the service content from the target NF network element based on the access token.

13. The method according to any of claims 6-12, wherein the network service information comprises at least one of network identification information, access mode information, network location information, network coverage information, operator information, network function information, network parameter information, and network management device information of a regional service network.

14. The method according to any one of claims 6-12, wherein said sending a network discovery request to a central device comprises:

and if the target NF network element does not exist in the first service network to which the first network management equipment belongs, sending a network discovery request to the central equipment.

15. The method according to any of claims 6-12, wherein the target service network comprises a functional network and/or a distributed network.

16. The method according to any one of claims 6-12, wherein the method further comprises:

receiving a network element service registration request sent by each candidate NF network element in a first service network to which first network management equipment belongs; wherein, the network element service registration request carries network element service information of each candidate NF network element;

and determining the network service information of the first service network according to the network element service information of each candidate NF network element, and sending a network service registration request to the center equipment, wherein the network service registration request carries the network service information of the first service network and is used for indicating the center equipment to register network service for the first network management equipment.

17. The method of claim 16, wherein the method further comprises:

receiving a network element service update request sent by an updating NF network element; wherein, the network element service update request carries network element update information for updating NF network elements;

according to the network element updating information of the updated NF network element, carrying out network element service updating on the updated NF network element;

18. A network service method applied to a second network management device, the method comprising:

receiving a second network element discovery request carrying service content sent by first network management equipment; the second network element discovery request is sent after the first network management equipment receives network service information of the target service network fed back by the center equipment; the network service information of the target service network is determined from each regional service network by the central equipment according to the service content and the network service information of each regional service network;

determining a target NF network element from all candidate NF network elements in the regional service network to which the second network management equipment belongs according to the service content carried by the second network element discovery request;

and feeding back network element service information of the target NF network element to the first network management equipment, wherein the network element service information is used for requesting the NF network element to acquire the service content from the target NF network element.

19. The method of claim 18, wherein the second network element discovery request further carries operation body information of network service information of the first network management device, and after receiving the second network element discovery request carrying service content sent by the first network management device, the method further comprises:

Judging whether the regional service network to which the first network management device belongs is a trusted network or not according to the operation subject information;

20. The method of claim 19, wherein said exchanging network element service information with said first network management device comprises:

21. The method according to claim 20, wherein feeding back the network element service information of the target NF network element to the first network management device comprises:

if the regional service network to which the first network management device belongs is an untrusted network, feeding back the network element service information and the access token of the target NF network element to the first network management device, so that the first network management device feeds back the network element service information and the access token of the target NF network element to a request NF network element, and the request NF network element obtains the service content from the target NF network element based on the access token.

22. The method of claim 18, wherein the network service information comprises at least one of network identification information, access manner information, network location information, network coverage information, operator information, network function information, network parameter information, and network management device information of a regional service network.

23. A network service apparatus for use with a central facility, the apparatus comprising:

the first receiving module is used for receiving a network discovery request carrying service content sent by the first network management equipment; the network discovery request is generated after the first network management equipment receives a first network element discovery request carrying the service content;

the first feedback module is configured to feed back network service information of the target service network to a first network management device, where the network service information of the target service network is used for the first network management device to determine network element service information of a target NF network element, and feed back the network element service information of the target NF network element to a requesting NF network element, so that the requesting NF network element obtains the service content from the target NF network element.

24. A network service apparatus for application to a first network management device, the apparatus comprising:

a first sending module, configured to send a network discovery request to a central device in response to a first network element discovery request sent by a request NF network element, where the first network element discovery request and the network discovery request both carry service contents required by the request NF network element; the network discovery request is used for indicating the central equipment to determine a target service network from the regional service networks according to the service content and the network service information of the regional service networks, and feeding back the network service information of the target service network;

a second determining module, configured to determine, according to network service information of the target service network, a target NF network element from candidate NF network elements of the target service network;

and the second feedback module is used for feeding back the network element service information of the target NF network element to the request NF network element so that the request NF network element obtains the service content from the target NF network element.

25. A network service apparatus for use with a second network management device, the apparatus comprising:

A second receiving module, configured to receive a second network element discovery request carrying service content sent by the first network management device; the second network element discovery request is sent after the first network management equipment receives network service information of the target service network fed back by the center equipment; the network service information of the target service network is determined from each regional service network by the central equipment according to the service content and the network service information of each regional service network;

a third determining module, configured to determine, according to the service content carried by the second network element discovery request, a target NF network element from among candidate NF network elements in the regional service network to which the second network management device belongs;

and the third feedback module is used for feeding back network element service information of the target NF network element to the first network management equipment, wherein the network element service information is used for requesting the NF network element to acquire the service content from the target NF network element.

26. A communication device comprising a memory, a transceiver and a processor, the memory storing a computer program, characterized in that the transceiver is adapted to receive data or to transmit data under control of the processor, the processor implementing the steps of the method of any one of claims 1 to 22 when the computer program is executed.

27. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 22.

28. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, implements the steps of the method of any one of claims 1 to 22.