CN112995973A - Network function network element searching method, network element and storage medium - Google Patents
Network function network element searching method, network element and storage medium Download PDFInfo
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- H04W48/00—Access restriction; Network selection; Access point selection
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Abstract
The embodiment of the invention relates to the field of communication, and discloses a network function network element searching method, a network element and a storage medium. The method for searching the network functional network element comprises the following steps: and sending a query request of the target NF network element to the source NRF network element, wherein the query request contains the regional information of the region where the target NF network element is located, so that the source NRF network element searches the target NRF network element according to the regional information and receives the information of the target NF network element sent by the source NRF network element. The invention can simplify the configuration process, avoid the problem of data configuration error and improve the speed and success rate of route selection.
Description
Technical Field
The embodiment of the invention relates to the field of communication, in particular to a network function network element searching method, a network element and a storage medium.
Background
In a fifth-generation communication technology core Network, a Network Function storage Function (NF) Network element mainly provides a service registration/discovery/subscription Function, and is responsible for finding a Network Function (NF) Network element satisfying conditions according to various query requests, so as to implement Network establishment between Network elements. In an actual networking process, there may be multiple NRF network elements, which are respectively responsible for managing NF network elements in different areas. In the prior art, a method adopted to enable an NF network element to query information of another NF network element is as follows: in a preparation stage before actual networking, a corresponding relation between an identification code of an NF (network element) and an address of an NRF network element corresponding to the identification code is configured on the NRF network element, and after the NRF network element receives an inquiry request of a target NF network element sent by the NF network element, the address of the target NRF network element corresponding to the identification code carried in the inquiry request is searched according to the pre-configured corresponding relation, so that the information of the target NF network element is obtained through the target NRF network element.
The inventor finds that at least the following problems exist in the prior art: every time there is a new NF network element, all NRF network elements need to configure the corresponding relationship between the identification code of the NF network element and the address of the NRF network element corresponding to the NF network element, the configuration process is complex, and since the NF network elements will change constantly, the amount of configuration data that needs to be updated on the NRF network elements is huge, which easily causes the problem of data error, and the speed and success rate of routing selection are low.
Disclosure of Invention
Embodiments of the present invention provide a method for searching a network functional network element, a network element, and a storage medium, which can simplify a configuration process, avoid a problem of data configuration error, and improve a speed and a success rate of routing.
In order to solve the above technical problem, an embodiment of the present invention provides a method for searching a network functional network element, which is applied to a source NRF network element, and the method includes: receiving a query request of a target NF network element sent by a source network function NF network element, wherein the query request comprises area information of an area where the target NF network element is located, searching a target NRF network element according to the area information, wherein the target NRF network element is used for managing the NF network element in the area where the target NF network element is located, acquiring the information of the target NF network element through the target NRF network element, and sending the information of the target NF network element to the source NF network element.
The embodiment of the invention also provides a searching method of the network functional network element, which is applied to the source NF network element and comprises the following steps: and sending a query request of the target NF network element to the source NRF network element, wherein the query request comprises the regional information of the region where the target NF network element is located, so that the source NRF network element searches the target NRF network element according to the regional information, and receives the information of the target NF network element sent by the source NRF network element, and the information of the target NF network element is acquired by the source NRF network element through the target NRF network element.
An embodiment of the present invention further provides a network element, including: the network function element comprises at least one processor and a memory which is connected with the at least one processor in a communication mode, wherein the memory stores instructions which can be executed by the at least one processor, and the instructions are executed by the at least one processor so that the at least one processor can execute the searching method of the network function element.
The embodiment of the present invention further provides a computer-readable storage medium, which stores a computer program, and when the computer program is executed by a processor, the method for searching a network functional network element is implemented.
Compared with the prior art, the source NRF network element can acquire the area information of the area where the target NF network element is located according to the query request of the target NF network element and find the target NRF network element according to the area information, namely, the source NRF network element only needs to configure the corresponding relation between the area information of the NF network element and the address of the NRF network element, so that the configuration process is simplified, the problem of data configuration errors can be reduced, and the speed and the success rate of routing selection are improved.
In addition, searching the target NRF network element according to the area information includes: and searching the address of the target NRF network element corresponding to the area information by utilizing the corresponding relation between the pre-stored area information and the address of the NRF network element. In this embodiment, the source NRF network element stores the correspondence between the area information of the NF network element and the address of the NRF network element in advance, and can quickly find the address of the target NRF network element according to the correspondence.
In addition, the identification code of the target NF network element carried by the query request contains regional information. The identification code of the target NF network element includes the regional information, that is, the regional information of the target NF network element does not need to be configured additionally, so that the manner in which the query request carries the information is more flexible in this embodiment.
In addition, the receiving of the query request of the target NF network element sent by the source NF network element includes: and receiving the query request through the NRF network element of the area where the source NF network element is located. The source NRF network element receives the query request sent by the source NF network element through another NRF, that is, in this embodiment, the target NRF network element is found through the multi-stage NRF network elements.
In addition, the identification code of the target NF network element also comprises the type of the target NF network element and the serial number of the target NF network element. That is, the identification code may contain other information in addition to the area information.
In addition, the source NF network element is located in an area managed by the NRF network element and has already registered with the NRF network element, and the registration process of the source NF network element includes: and generating an identification code of the source NF network element, wherein the identification code comprises the regional information of the source NF network element, and sending a registration request carrying the identification code to the NRF network element.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a flowchart of a method for searching a network functional element according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of a network element relationship in a first embodiment of the present invention;
fig. 3 is a schematic diagram of a network element relationship in a second embodiment of the present invention;
fig. 4 is a flowchart of a network function network element searching method in a third embodiment of the present invention;
fig. 5 is a schematic diagram of a network element structure in a fourth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments. The following embodiments are divided for convenience of description, and should not constitute any limitation to the specific implementation manner of the present invention, and the embodiments may be mutually incorporated and referred to without contradiction.
The first embodiment of the invention relates to a searching method of a network function network element, which is applied to a source NRF network element, wherein the source NRF network element receives a query request of a target NF network element sent by a source network function NF network element, the query request comprises area information of an area where the target NF network element is located, and then the target NRF network element is searched according to the area information, wherein the target NRF network element is used for managing the NF network element in the area where the target NF network element is located, and finally the source NRF network element acquires the information of the target NF network element through the target NRF network element and sends the information of the target NF network element to the source NF network element. The following describes implementation details of the method for searching for a network functional network element in this embodiment in a specific manner, and the following description is only provided for facilitating understanding of the implementation details and is not necessary for implementing this embodiment.
In this embodiment, there are many NF network elements and NRF network elements, where the NF network element may register an identification code on the NRF network element that manages an area where the NF network element is located, and the identification code may carry area information of the NF network element, and in addition, the NRF network element may configure addresses of other NRF network elements. If the NF network element sends the query request of another NF network element, the NF network element that sent the query request may be used as a source NF network element, another NF network element may be used as a target NF network element, an NRF network element that manages the NF network element of the area where the target NF network element is located may be used as a target NRF network element, and an NRF network element that searches for the target NRF network element according to the query request may be used as a source NRF network element.
A specific flow of the method for searching a network functional network element in this embodiment is shown in fig. 1, and includes:
In one example, the query request includes zone information of a zone in which the target NF network element is located. As shown in fig. 2, the network element relationship diagram includes a Session Management Function (SMF) network element 201, a Bootstrapping Service Function (BSF) network element 202, a Jiangsu province NRF network element 203, and a Guangxi province NRF network element 204, where the Jiangsu province NRF network element 203 manages NF network elements in an area where the SMF network element 201 is located, and the Guangxi province NRF network element 204 manages NF network elements in an area where the BSF network element 202 is located. Assuming that the SMF network element 201 sends the query request of the BSF network element 202 to the NRF network element 203 in Jiangsu province, the SMF network element 201 may serve as a source NF network element, the BSF network element 202 may serve as a target NF network element, and the NRF network element 203 in Jiangsu province and the NRF network element 204 in Guangxi province may serve as the source NRF network element and the target NRF network element, respectively. Before the SMF network element 201 sends the query request of the BSF network element 202, the BSF network element 202 may register on the NRF network element 204 in cantonese province, where the registered information may include a service type supported by the BSF network element 202, an identification code of the BSF network element 202, and the like, and the SMF network element 201 may store a correspondence between the area information and an address of the NRF network element in advance, or obtain the correspondence from an external device. Assuming that the SMF network element 201 sends an inquiry request of the BSF network element 202 to inquire about information of the BSF network element 202, the NRF network element 203 in Jiangsu province, which is used for managing the SMF network element 201, receives the inquiry request, where the inquiry request includes area information of an area where the BSF network element 202 is located, such as: the province of Guangxi in south China is not limited herein. The area information may be included in the identification code, or may be set separately from the identification code, which is not limited herein. It is assumed that the zone information of the target NF network element is contained in the identification code, such as: the identifier of the BSF network element 202 carried in the query request includes the area information of the BSF network element 202, and the specific manner may be: the BSF network element 202 generates an identification code containing the area information according to a predetermined rule, and may set a correspondence between the area information and the code in the rule, for example: the corresponding code in south china is 0x05, and the corresponding code in Guangxi province is 40, so that the corresponding code in Jiangsu province in north china can be represented as 0540 in the identification code of the BSF network element 202, and the identification code of the SMF network element 201 is similar, and is not described herein again; in addition, the position of the region information in the identification code may also be formulated in a rule, such as: the third byte and the fourth byte of the identification code are provided with area information, which is not limited herein. It should be noted that the regional information in the example includes a region and a province, and may be accurate to a city level, a county level, and the like in practical applications. Of course, the identification code of the target NF network element may also contain other information besides the zone information, such as: the type of the target NF, the serial number of the target NF network element, and the like, the target NF network element may also generate an identification code including the type of the target NF and the serial number of the target NF network element according to a predefined rule, and accordingly, a corresponding relationship between the type of the target NF and the code, and a corresponding relationship between the serial number of the target NF network element and the code may be formulated in the rule, which is not described herein again. Wherein, the code corresponding to the BSF network element 202 is 10. Assuming that the type of the identifier of the BSF network element 202 is a universal unique identifier, the identifier of the BSF network element 202 includes area information of the BSF network element 202, the type of the BSF network element 202, and a serial number of the BSF network element 202, and the area information is southern china, Guangxi province, and the serial number is 3, then the identifier of the BSF network element 202 may be represented as: 4947a691a-f61b-4bc 1-0505840000003. similarly, the identification code of the SMF network element 201 can be expressed as: 4947a691a-f61b-4bc 1-100380000001.
It should be noted that, in the above example, the target NRF network element is found through the first-stage NRF network element, and in practical application, the target NRF network element is found by using the NRF network elements of more stages and is supposed to be within the protection range.
And step 102, searching a target NRF network element according to the area information.
The target NRF network element is used for managing the NF network element in the area where the target NF network element is located.
In one example, the source NRF network element searches for an address of a target NRF network element corresponding to the area information by using a correspondence between the area information stored in advance and the address of the NRF network element, such as: the SMF network element 201 stores the correspondence between the area information and the address of the NRF network element in advance, and assuming that the area information of the BSF network element 202 is represented as 0540 and the address of the NRF network element 204 in Guangxi province is 2.2.2.2, the correspondence between the area information and the address of the NRF network element stored in advance by the SMF network element 201 may include: 0540 corresponds to 2.2.2.2. As shown in fig. 2, taking the NRF network element 203 in Jiangsu province as an example of a source NRF network element, after receiving the query request, the NRF network element 203 in Jiangsu province may first determine whether the BSF network element 202 manages itself, and the determination method may be: judging whether the target NF network element is managed by the target NF network element according to the area information of the target NF network element, such as: the NRF network element 203 in Jiangsu province obtains the area where the BSF network element 202 is located by analyzing the area information of the BSF network element 202, and judges whether the area is in the self management area; the method for the NRF network element 203 in Jiangsu province to determine whether the BSF network element 202 manages itself may also be: the NRF network element 203 in Jiangsu province compares the identification code carried in the query request with the identification code of the NF network element managed by itself, and if the same identification code exists, it may be determined that the BSF network element 202 is managed by itself, and if the same identification code does not exist, it may be determined that the BSF network element 202 is not managed by itself. If the BSF network element 202 is managed by itself, the NRF network element 203 in Jiangsu province can be used as a target NRF network element to acquire information of the BSF network element 202; if the BSF network element 202 is not managed by the NRF network element 203 in Jiangsu province, the NRF network element 203 in Jiangsu province may search the address 2.2.2.2 of the NRF network element 204 in Guangxi province corresponding to the area information 0540 of the BSF network element 202 by using the correspondence between the area information and the address of the NRF network element stored in advance, thereby forwarding the query request to the NRF network element 204 in Guangxi province. It should be noted that the correspondence between the area information and the address of the NRF network element may be in the source NRF network element, or may be stored in the external device, and the source NRF network element obtains the correspondence from the external device and uses the correspondence, which is not limited herein.
And 103, acquiring the information of the target NF network element through the target NRF network element, and sending the information of the target NF network element to the source NF network element.
In an example, after receiving the query request sent by the NRF network element 203 in the province of Jiangsu province, the NRF network element 204 in the Guangxi province may determine, according to the pre-registered identification information of the NF network element, the BSF network element 202 corresponding to the identification code carried in the query request, and further obtain the information of the BSF network element 202. Taking the NRF network element 203 in the province of Jiangsu as an example of a source NRF network element, the NRF network element 204 in the province of Guangxi will send the information of the BSF network element 202 to the NRF network element 203 in the province of Jiangsu, and then the NRF network element 203 in the province of Jiangsu will send the information of the BSF network element 202 to the SMF network element 201.
In this embodiment, the source NRF network element may obtain the area information of the area where the target NF network element is located according to the query request of the target NF network element, and find the target NRF network element according to the area information, that is, the source NRF network element only needs to configure the corresponding relationship between the area information of the NF network element and the address of the NRF network element.
The second embodiment of the present invention relates to a method for searching network elements with network functions, which is substantially the same as the first embodiment, and mainly has the following differences: the present embodiment searches for a target NRF network element through two levels of NRF network elements.
Regarding step 101, a query request of a target NF network element sent by a source NF network element is received.
In one example, as shown in the network element relationship diagram shown in fig. 3, the shanghai province NRF network element 301 serves as a source NRF network element, and the shanghai province NRF network element 301 may receive a query request through the Jiangsu province NRF network element 203. Specifically, after receiving the query request, the NRF network element 203 in Jiangsu province may first determine whether the BSF network element 202 is managed by itself, which is described in the first embodiment of the determination method and is not described herein again; if the NRF network element 203 in Jiangsu province manages the BSF network element 202, the NRF network element 203 in Jiangsu province may acquire the information of the BSF network element 202 as a target NRF network element; if the BSF network element 202 is not managed by the Jiangsu province NRF network element 203, the Jiangsu province NRF network element 203 forwards the query request to the Shanghai province NRF network element 301.
With respect to step 102, the target NRF network element is found according to the area information.
In an example, after the shanghai province NRF network element 301 receives the query request sent by the Jiangsu province NRF network element 203, the address 2.2.2.2 of the Guangxi province NRF network element 204 corresponding to the area information 0540 of the BSF network element 202 may be searched by using a correspondence between the area information and the NRF network element address stored in advance, so that the query request is forwarded to the Guangxi province NRF network element 204.
In step 103, the information of the target NF network element is obtained through the target NRF network element, and the information of the target NF network element is sent to the source NF network element.
In an example, after receiving the query request sent by the shanghai province NRF network element 301, the NRF network element 204 in Guangxi province may determine, according to the pre-registered identification information of the NF network element, a BSF network element corresponding to an identification code carried in the query request, and further obtain information of the BSF network element, and send the information method of the BSF network element to the shanghai province NRF network element 301, where the information may be sent by the shanghai province NRF network element 301 to the SMF network element 201 through the Jiangsu province NRF network element 203.
The embodiment can find the target NRF network element through the two levels of NRF network elements, and return the information of the target NF network element to the source NF network element through the two levels of NRF network elements.
The third embodiment of the invention relates to a method for searching network functional network elements, which is applied to a source NF network element. The source NF network element sends an inquiry request of the target NF network element to the source NRF network element, the inquiry request comprises regional information of a region where the target NF network element is located, so that the source NRF network element searches the target NRF network element according to the regional information, the source NF network element receives the information of the target NF network element sent by the source NRF network element, and the information of the target NF network element is obtained by the source NRF network element through the target NRF network element. The following describes the implementation details of the data processing method of the present embodiment in detail, and the following is only provided for the convenience of understanding and is not necessary for implementing the present embodiment.
In this embodiment, the source NF network element is located in an area managed by an NRF network element and has already registered with the NRF network element, and the registration process of the source NF network element includes: and the source NF network element generates an identification code of the source NF network element and sends a registration request carrying the identification code to the NRF network element, wherein the identification code comprises the regional information of the source NF network element. A specific flow of the method for searching for a network functional network element in this embodiment is shown in fig. 4, and includes:
And the query request comprises the area information of the area where the target NF network element is located, and the source NRF network element searches the target NRF network element according to the area information.
In one example, the SMF network element 201 sends an inquiry request of the BSF network element 202 to the NRF network element 203 in Jiangsu province, where the inquiry request includes area information of an area where the BSF network element 202 is located. Of course, the area information may be represented in the identifier of the BSF network element 202 carried in the query request, and the specific representation manner may refer to the correspondence between the area information and the code in the first embodiment, which is not described herein again.
In one example, the SMF network element 201 may also send the query request of the BSF network element 202 to the shanghai province NRF network element 301 through the Jiangsu province NRF network element 203.
In one example, the NRF network element 203 in Jiangsu province obtains the information of the BSF network element 202 from the NRF network element 204 in Guangxi province, and sends the information of the BSF network element 202 to the SMF network element 201. For the SMF network element 201, the SMF network element 201 receives information of the BSF network element 202 sent by the NRF network element 203 in Jiangsu province.
In one example, the SMF network element 201 receives the information of the BSF network element 202 transmitted by the shanghai province NRF network element 301 through the Jiangsu province NRF network element 203.
In this embodiment, the query request of the target NF network element sent by the source NF network element includes the area information of the area where the target NF network element is located, and then the source NRF network element can find the target NRF network element according to the area information, that is, the source NRF network element only needs to configure the corresponding relationship between the area information of the NF network element and the address of the NRF network element, which simplifies the configuration process, thereby avoiding the problem of data configuration error and improving the speed and success rate of routing.
The steps of the above methods are divided for clarity, and the implementation may be combined into one step or split some steps, and the steps are divided into multiple steps, so long as the same logical relationship is included, which are all within the protection scope of the present patent; it is within the scope of the patent to add insignificant modifications to the algorithms or processes or to introduce insignificant design changes to the core design without changing the algorithms or processes.
A fourth embodiment of the invention is directed to a network element, as shown in fig. 5, comprising at least one processor 501 and a memory 502 communicatively coupled to the at least one processor 501. Wherein the memory 502 stores instructions executable by the at least one processor 501, the instructions being executable by the at least one processor 501 to enable the at least one processor 501 to perform the above-mentioned network function network element lookup method.
The memory 502 and the processor 501 are coupled by a bus, which may include any number of interconnected buses and bridges that couple one or more of the various circuits of the processor 501 and the memory 502 together. The bus may also connect various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface provides an interface between the bus and the transceiver. The transceiver may be one element or a plurality of elements, such as a plurality of receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. The data processed by the processor 501 is transmitted over a wireless medium through an antenna, which further receives the data and transmits the data to the processor 501.
The processor 501 is responsible for managing the bus and general processing and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. And memory 502 may be used to store data used by processor 501 in performing operations.
A fifth embodiment of the present invention relates to a computer-readable storage medium storing a computer program. The computer program realizes the above-described method embodiments when executed by a processor.
That is, as can be understood by those skilled in the art, all or part of the steps in the method for implementing the embodiments described above may be implemented by a program instructing related hardware, where the program is stored in a storage medium and includes several instructions to enable a device (which may be a single chip, a chip, or the like) or a processor (processor) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific embodiments for practicing the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (10)
1. A method for searching a network function NF network element is applied to a source network function storage function NRF network element, and comprises the following steps:
receiving a query request of a target NF network element sent by a source NF network element; the query request comprises the area information of the area where the target NF network element is located;
searching a target NRF network element according to the area information; the target NRF network element is used for managing the NF network element in the area where the target NF network element is located;
and acquiring the information of the target NF network element through the target NRF network element, and sending the information of the target NF network element to the source NF network element.
2. The method as claimed in claim 1, wherein said searching for the target NRF network element according to the area information comprises:
and searching the address of the target NRF network element corresponding to the area information by utilizing the corresponding relation between the area information stored in advance and the address of the NRF network element.
3. The method according to claim 1 or 2, wherein the identifier of the target NF network element carried in the query request includes the area information.
4. The method according to claim 1, wherein the receiving the query request of the target NF network element sent by the source NF network element comprises:
and receiving the query request through the NRF network element of the area where the source NF network element is located.
5. The method of claim 3, wherein the identifier of the target NF network element further comprises a type of the target NF network element and a sequence number of the target NF network element.
6. A method for searching network functional network elements is applied to a source NF network element, and comprises the following steps:
sending a query request of a target NF network element to a source NRF network element; the query request comprises the regional information of the region where the target NF network element is located, and the source NRF network element searches the target NRF network element according to the regional information;
receiving the information of the target NF network element sent by the source NRF network element; and the information of the target NF network element is acquired by the source NRF network element through the target NRF network element.
7. The method according to claim 6, wherein the identifier of the target NF network element carried in the query request includes the area information.
8. The method of claim 6, wherein the source NF network element is located in an area managed by the NRF network element and has registered with the NRF network element; the registration process of the source NF network element includes:
generating an identification code of the source NF network element; the identification code comprises the regional information of the source NF network element;
and sending a registration request carrying the identification code to the NRF network element.
9. A network element, comprising:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of looking up a network functional network element according to any one of claims 1 to 5 or to enable the at least one processor to perform the method of looking up a network functional network element according to claim 6 or 8.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method of searching for a network-functional network element of any one of claims 1 to 5, or which, when being executed by a processor, carries out the method of searching for a network-functional network element of claim 6 or 8.
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| CN113612648A (en) * | 2021-09-14 | 2021-11-05 | 广州爱浦路网络技术有限公司 | Network element re-reproduction method, computer apparatus and storage medium |
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