CN114615682A - Method, device and system for associating signaling plane and user plane - Google Patents
Method, device and system for associating signaling plane and user plane Download PDFInfo
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Abstract
The disclosure relates to a method, a device and a system for associating a signaling plane and a user plane, and relates to the technical field of communication. The method comprises the following steps: receiving user plane information acquired by each user plane probe device from each user plane interface and signaling plane information acquired by the signaling plane probe device from each signaling plane interface; matching the received signaling plane information with the received user plane information; and according to the matching result, the signaling plane information is sent to the corresponding user plane probe equipment, so that the corresponding user plane probe equipment can report the generated document to the synthesis layer after the user plane to which the signaling plane belongs and the corresponding signaling plane are associated according to the signaling plane information.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a method and an apparatus for associating a signaling plane and a user plane, a system and a non-volatile computer-readable storage medium for associating a signaling plane and a user plane.
Background
The signaling plane and the user plane of the 4G network are not completely separated, that is, an MME (Mobility Management Entity) network element of the control plane and an SGW (Serving GateWay) device of the user plane are generally combined and deployed in the same machine room. Therefore, a Deep Packet Inspection (DPI) system of the 4G network can access the signaling plane traffic and the user plane traffic to the same probe, and implement association between the signaling plane and the user plane in the probe, and fill the user plane document with the user position information.
However, the 5G network implements separation of a signaling Plane and a User Plane, that is, a signaling Plane AMF (Access and Mobility Management Function) network element is deployed in a central site, and a User Plane UPF (User Plane Function) network element is deployed in a city or an edge. The AMF network element and the UPF network element are not in the same machine room, and the signaling plane flow and the user plane cannot be accessed to the same DPI equipment, so that the association between the signaling plane and the user plane cannot be performed on the DPI equipment.
In the related art, documents of a signaling plane and a user plane are sent to a synthesis layer for association processing and backfill processing.
Disclosure of Invention
The inventors of the present disclosure found that the following problems exist in the above-described related art: memory resources are consumed for caching, and the performance overhead of the composite layer is large, which results in poor real-time performance of association.
In view of this, the present disclosure provides a technical solution for associating a signaling plane and a user plane, which can improve the real-time performance of association.
According to some embodiments of the present disclosure, there is provided a signaling plane and user plane association method, including: receiving user plane information acquired by each user plane probe device from each user plane interface and signaling plane information acquired by the signaling plane probe device from each signaling plane interface; matching the received signaling plane information with the received user plane information; and according to the matching result, the signaling plane information is sent to the corresponding user plane probe equipment, so that the corresponding user plane probe equipment can report the generated document to the synthesis layer after the user plane to which the signaling plane belongs and the corresponding signaling plane are associated according to the signaling plane information.
In some embodiments, the user plane information includes an IP (Internet Protocol) address of the user plane probe device and an IP address of a UPF entity corresponding to the user plane probe device, and the signaling plane information includes an IP address of a UPF entity corresponding to the signaling plane information.
In some embodiments, matching the received signaling plane information with the received respective user plane information comprises: matching the IP address of the UPF entity in the signaling plane information in a UPF information table, wherein the UPF information table is constructed according to user plane information sent by each user plane probe device; according to the matching result, the sending of the signaling plane information to the corresponding user plane probe device comprises: and sending the signaling plane information to the corresponding user plane probe equipment according to the IP address of the user plane probe equipment matched in the UPF information table.
In some embodiments, the user plane interface comprises an N3 interface and the signaling plane interface comprises at least one of an N1, an N2, an N4, and an N11 interface.
In some embodiments, the generated document is subjected to signaling plane and user plane association for the corresponding user plane probe device, and backfilling of user information, location information, signaling related information.
According to other embodiments of the present disclosure, there is provided an apparatus for associating a signaling plane and a user plane, including: the receiver is used for receiving user plane information acquired by each user plane probe device from each user plane interface and signaling plane information acquired by the signaling plane probe device from each signaling plane interface; the processor is used for matching the received signaling plane information with the received user plane information; and the transmitter is used for transmitting the signaling plane information to the corresponding user plane probe equipment according to the matching result so that the corresponding user plane probe equipment can report the generated document to the synthesis layer after associating the user plane to which the signaling plane belongs and the corresponding signaling plane according to the signaling plane information.
In some embodiments, the user plane information includes an IP address of the user plane probe device and an IP address of a UPF entity corresponding to the user plane probe device, and the signaling plane information includes an IP address of a UPF entity corresponding to the signaling plane information.
In some embodiments, the processor matches the IP address of the UPF entity in the signaling plane information in a UPF information table, the UPF information table constructed from the user plane information sent from each user plane probe device; and the sender sends the signaling plane information to the corresponding user plane probe equipment according to the IP address of the user plane probe equipment matched in the UPF information table.
In some embodiments, the user plane interface comprises an N3 interface and the signaling plane interface comprises at least one of an N1, an N2, an N4, and an N11 interface.
In some embodiments, the generated document is xDR (external Data Representation) Data generated by the correlation process and the backfill process of the user information, the position information and the signaling related information for the corresponding user plane probe device.
According to still other embodiments of the present disclosure, there is provided a signaling plane and user plane association system, including: associating means for performing the associating method in any of the above embodiments; the user plane probe equipment is used for acquiring user plane information from each user plane interface and sending the user plane information to the association device; and the signaling plane probe equipment is used for acquiring signaling plane information from each signaling plane interface and sending the signaling plane information to the association device.
In some embodiments, the user plane probe device is deployed in a signaling plane machine room of the 5G center; the signaling plane probe equipment is deployed at a UPF entity or an MEC (multi-access edge computing) site; the association device is deployed in a central machine room.
According to still other embodiments of the present disclosure, there is provided an apparatus for associating a signaling plane and a user plane, including: a memory; and a processor coupled to the memory, the processor configured to perform the method of associating a signaling plane and a user plane in any of the above embodiments based on instructions stored in the memory device.
According to still further embodiments of the present disclosure, there is provided a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method of associating a signaling plane and a user plane in any of the above embodiments.
In the above embodiment, according to the matching result between the user plane information and the signaling plane information, the signaling plane information is sent to the corresponding user plane probe device for association processing, and then uploaded to the synthesis layer. Therefore, the association of the signaling plane and the user plane can be realized in the DPI system, the message transmission is completed in the system, the memory resource is not consumed for caching, the performance overhead of a composite layer is reduced, and the real-time performance of the association is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
The present disclosure can be more clearly understood from the following detailed description with reference to the accompanying drawings, in which:
fig. 1 illustrates a flow diagram of some embodiments of a signaling plane and user plane association method of the present disclosure;
fig. 2 shows a flow diagram of further embodiments of a signaling plane and user plane association method of the present disclosure;
figure 3 shows a schematic diagram of some embodiments of a signaling plane and user plane association method of the present disclosure;
fig. 4 illustrates blocks of some embodiments of an apparatus for association of a signaling plane and a user plane of the present disclosure;
fig. 5 shows a block diagram of further embodiments of an apparatus for association of a signaling plane and a user plane of the present disclosure;
fig. 6 shows a block diagram of further embodiments of an apparatus for association of a signaling plane and a user plane of the present disclosure;
fig. 7 illustrates a block diagram of some embodiments of a signaling plane and user plane association system of the present disclosure.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of parts and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As mentioned above, because the generation delay of the signaling side document and the user side document is long, the synthesis through the synthesis layer needs to be buffered to ensure the accuracy of the association. This consumes a large amount of memory resources, and in extreme cases, the cache may fail, resulting in an inability to guarantee document accuracy. In addition, the synthesis layer needs to analyze and backfill the xDR data reported by the user plane and the signaling plane in a correlated manner, which results in high synthesis performance overhead.
Aiming at the technical problem, the signaling plane probe and the user plane probe of the DPI system are used for respectively acquiring the signaling plane flow and the user plane flow; synchronizing a signaling session message to a user plane probe through a signaling plane probe; and the user plane probe internally realizes the correlated backfill of the signaling session message and the user plane flow, fills the information such as the user position and the like, and then sends the document to the synthesis layer. For example, the technical solution of the present disclosure can be realized by the following embodiments.
Fig. 1 illustrates a flow diagram of some embodiments of a signaling plane and user plane association method of the present disclosure.
As shown in fig. 1, in step 110, user plane information collected by each user plane probe device from each user plane interface and signaling plane information collected by the signaling plane probe device from each signaling plane interface are received. For example, the user plane interface includes an N3 interface, etc., and the signaling plane interface includes an N1, N2, N4, N11 interface, etc.
In some embodiments, the user plane information includes an IP address of the user plane probe device and an IP address of a UPF entity corresponding to the user plane probe device. The signaling plane information comprises the IP address of the UPF entity corresponding to the signaling plane information.
In step 120, the received signaling plane information is matched with each of the received user plane information.
In some embodiments, the IP addresses of the UPF entities in the signaling plane information are matched in a UPF information table. The UPF information table is constructed from the user plane information from each user plane probe device. For example, the UPF table includes an IP address of the sending user plane probe device for each piece of user name information, an IP address of the UPF entity corresponding to each piece of user name information, and a corresponding relationship between the IP address of the user plane probe device and the IP address of the UPF entity.
In step 130, the signaling plane information is sent to the corresponding user plane probe device according to the matching result, so that the corresponding user plane probe device performs association processing on the user plane to which the signaling plane belongs and the corresponding signaling plane according to the signaling plane information, and then reports the generated document to the synthesis layer.
In some embodiments, the signaling plane information is sent to the corresponding user plane probe device according to the IP address of the user plane probe device matched in the UPF information table.
Fig. 2 shows a flow diagram of further embodiments of the signaling plane and user plane association methods of the present disclosure.
As shown in fig. 2, the association method further includes steps 210 and 220.
In step 210, the user plane probe device receiving the signaling plane information performs association processing on the user plane where the user plane probe device is located and a corresponding signaling plane according to the signaling plane information.
In step 220, the user plane probe device backfills the user information, the location information, and the signaling related information, and generates xDR data as a document.
Fig. 3 shows a schematic diagram of some embodiments of the signaling plane and user plane association methods of the present disclosure.
As shown in fig. 3, the signaling plane may be located at a central site and the user plane may be located at a city and an edge site. The gNodeB (base station) of the user plane interacts with the UPF entity through an N3 interface; the AMF entity of the signaling plane interacts with an SMF (Session Management Function) entity through an N11 interface. The UE of the user plane interacts with the AMF entity of the signaling plane through an N1 interface; the gNodeB of the user plane interacts with the AMF entity of the signaling plane through an N2 interface; the UPF entity of the user plane interacts with the SMF entity of the signalling plane via the N4 interface.
In some embodiments, a signaling plane probe device of the DPI system may be deployed in a 5G central signaling plane room and collect information of interfaces of the 5G signaling planes N4, N11, N1, N2, and the like. The user plane probe deployment equipment of the DPI system is arranged on a UPF entity or an MEC site, and acquires information of a 5G user plane N3 interface.
In some embodiments, a Transfer (signaling forwarding) module is deployed at the central office. For example, the Transfer module, i.e. the association apparatus in the foregoing embodiment, is configured to aggregate information acquired by the signaling plane probe device and the user plane probe device, and distribute corresponding signaling based on a corresponding network element acquired by the user plane.
In some embodiments, the signaling plane probe device communicates with the Transfer module and sends the collected signaling plane information to the Transfer module in real time. The user plane probe equipment communicates with the Transfer module, and reports the acquired IP address of the UPF entity and the IP address of the user plane probe equipment to the Transfer module.
In some embodiments, the Transfer module constructs the UPF information table based on the IP of the UPF entity reported by the user plane probe device and the IP address of the user plane probe device.
And the Transfer module matches the IP address of the UPF entity in the signaling information reported by the signaling plane probe equipment with the IP address of each UPF entity in the UPF information table. Determining the IP address of the corresponding user plane probe equipment according to the matched IP address of the UPF entity in the UPF information table; and sending the signaling information to the corresponding user plane probe equipment.
The user plane probe equipment associates the user plane with the signaling plane according to the received signaling information; and backfilling the related information of the user, the position, the signaling and the like, and reporting the complete user plane xDR to the synthesis layer.
In some embodiments, the synthesis layer summarizes the signaling plane DPI documents and the user plane DPI documents reported by the signaling plane probe device and the user plane probe device.
In the above embodiment, the signaling information is synchronously forwarded to the user plane probe device for association processing through the added association device; and the user plane probe equipment backfills the user position information on a local associated signaling plane and reports the document to the synthesis layer.
In this way, the association of the signaling plane and the user plane can be implemented inside the DPI system. And message transmission is carried out in the system, and the time delay is within dozens of ms, so that the real-time performance and the accuracy of the DPI document association are ensured. Moreover, the association is performed inside the DPI system, so that the configuration requirement of the composite layer server can be reduced.
Fig. 4 illustrates a block diagram of some embodiments of signaling plane and user plane association apparatus of the present disclosure.
As shown in fig. 4, the association means 4 of the signaling plane and the user plane comprises a receiver 41, a processor 42 and a transmitter 43.
The receiver 41 receives user plane information collected by each user plane probe device from each user plane interface, and signaling plane information collected by the signaling plane probe device from each signaling plane interface.
In some embodiments, the user plane information includes an IP address of the user plane probe device and an IP address of a UPF entity corresponding to the user plane probe device, and the signaling plane information includes an IP address of a UPF entity corresponding to the signaling plane information.
In some embodiments, the user plane interface comprises an N3 interface and the signaling plane interface comprises at least one of an N1, an N2, an N4, and an N11 interface.
The transmitter 43 sends the signaling plane information to the corresponding user plane probe device according to the matching result, so that the corresponding user plane probe device associates the user plane to which the signaling plane belongs with the corresponding signaling plane according to the signaling plane information, and reports the generated document to the synthesis layer.
In some embodiments, processor 42 matches the IP address of the UPF entity in the signaling plane information in a UPF information table. The UPF information table is constructed from the user plane information from each user plane probe device. The transmitter 43 transmits the signaling plane information to the corresponding user plane probe device according to the IP address of the user plane probe device matched in the UPF information table.
In some embodiments, the generated document is xDR data generated for a corresponding user plane probe device through association processing and backfilling processing of user information, location information, signaling-related information.
Fig. 5 shows a block diagram of further embodiments of the signaling plane and user plane association apparatus of the present disclosure.
As shown in fig. 5, the association apparatus 5 for signaling plane and user plane of this embodiment includes: a memory 51 and a processor 52 coupled to the memory 51, the processor 52 being configured to execute the association method of the signaling plane and the user plane in any one of the embodiments of the present disclosure based on instructions stored in the memory 51.
The memory 51 may include, for example, a system memory, a fixed nonvolatile storage medium, and the like. The system memory stores, for example, an operating system, an application program, a Boot Loader, a database, and other programs.
Fig. 6 illustrates a block diagram of further embodiments of signaling plane and user plane association apparatus of the present disclosure.
As shown in fig. 6, the association apparatus 6 for signaling plane and user plane of this embodiment includes: a memory 610 and a processor 620 coupled to the memory 610, the processor 620 being configured to execute the method for associating a signaling plane and a user plane in any of the foregoing embodiments based on instructions stored in the memory 610.
The memory 610 may include, for example, system memory, fixed non-volatile storage media, and the like. The system memory stores, for example, an operating system, an application program, a Boot Loader, and other programs.
The signaling plane and user plane associating means 6 may further comprise an input output interface 630, a network interface 640, a storage interface 650, etc. These interfaces 630, 640, 650 and the connections between the memory 610 and the processor 620 may be through a bus 660, for example. The input/output interface 630 provides a connection interface for input/output devices such as a display, a mouse, a keyboard, a touch screen, a microphone, and a sound box. The network interface 640 provides a connection interface for various networking devices. The storage interface 650 provides a connection interface for external storage devices such as an SD card and a usb disk.
Fig. 7 illustrates a block diagram of some embodiments of a signaling plane and user plane association system of the present disclosure.
As shown in fig. 7, the association system 7 of the signaling plane and the user plane includes: associating means 72 for performing the associating method in any of the above embodiments; a user plane probe device 71, configured to acquire user plane information from each user plane interface and send the user plane information to the association apparatus; and the signaling plane probe device 73 is used for acquiring signaling plane information from each signaling plane interface and sending the signaling plane information to the association device.
In some embodiments, the user plane probe device is deployed 71 in a 5G-centric signaling plane machine room; the signaling plane probe device 73 is deployed at a UPF entity or MEC site; the association means 72 are deployed in a central office.
As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media having computer-usable program code embodied therein, including but not limited to disk storage, CD-ROM, optical storage, and the like.
So far, a signaling plane and user plane association method, a signaling plane and user plane association apparatus, a signaling plane and user plane association system, and a non-volatile computer-readable storage medium according to the present disclosure have been described in detail. . Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. Those skilled in the art can now fully appreciate how to implement the teachings disclosed herein, in view of the foregoing description.
The method and system of the present disclosure may be implemented in a number of ways. For example, the methods and systems of the present disclosure may be implemented by software, hardware, firmware, or any combination of software, hardware, and firmware. The above-described order for the steps of the method is for illustration only, and the steps of the method of the present disclosure are not limited to the order specifically described above unless specifically stated otherwise. Further, in some embodiments, the present disclosure may also be embodied as programs recorded in a recording medium, the programs including machine-readable instructions for implementing the methods according to the present disclosure. Thus, the present disclosure also covers a recording medium storing a program for executing the method according to the present disclosure.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be appreciated by those skilled in the art that modifications can be made to the above embodiments without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (14)
1. A method for associating a signaling plane and a user plane, comprising:
receiving user plane information acquired by each user plane probe device from each user plane interface and signaling plane information acquired by the signaling plane probe device from each signaling plane interface;
matching the received signaling plane information with the received user plane information;
and sending the signaling plane information to corresponding user plane probe equipment according to the matching result, so that the corresponding user plane probe equipment reports the generated document to a synthesis layer after associating the user plane to which the signaling plane belongs and the corresponding signaling plane according to the signaling plane information.
2. The association method according to claim 1,
the user plane information comprises an Internet Protocol (IP) address of the user plane probe equipment and an IP address of a corresponding User Plane Function (UPF) entity of the user plane probe equipment,
the signaling plane information comprises the IP address of the UPF entity corresponding to the signaling plane information.
3. The association method according to claim 2,
the matching the received signaling plane information with the received user plane information comprises:
matching the IP address of the UPF entity in the signaling plane information in a UPF information table, wherein the UPF information table is constructed according to user plane information sent by each user plane probe device;
the sending the signaling plane information to the corresponding user plane probe device according to the matching result includes:
and sending the signaling plane information to corresponding user plane probe equipment according to the IP address of the user plane probe equipment matched in the UPF information table.
4. The association method according to claim 1,
the user plane interface comprises an N3 interface, and the signaling plane interface comprises at least one of an N1, an N2, an N4 and an N11 interface.
5. The association method according to any one of claims 1 to 4,
the generated document is the xDR data of the external data representation method generated by the corresponding user plane probe equipment through correlation processing and backfill processing of user information, position information and signaling related information.
6. An apparatus for associating a signaling plane and a user plane, comprising:
the receiver is used for receiving user plane information acquired by each user plane probe device from each user plane interface and signaling plane information acquired by the signaling plane probe device from each signaling plane interface;
the processor is used for matching the received signaling plane information with the received user plane information;
and the transmitter is used for transmitting the signaling plane information to corresponding user plane probe equipment according to the matching result, so that the corresponding user plane probe equipment can report the generated document to the synthesis layer after associating the user plane to which the signaling plane belongs and the corresponding signaling plane according to the signaling plane information.
7. The associator apparatus of claim 6, wherein,
the user plane information comprises an Internet Protocol (IP) address of the user plane probe equipment and an IP address of a corresponding User Plane Function (UPF) entity of the user plane probe equipment,
the signaling plane information comprises the IP address of the UPF entity corresponding to the signaling plane information.
8. The association apparatus according to claim 7,
the processor matches the IP address of the UPF entity in the signaling plane information in a UPF information table, and the UPF information table is constructed according to the user plane information sent by each user plane probe device;
and the sender sends the signaling plane information to the corresponding user plane probe equipment according to the IP address of the user plane probe equipment matched in the UPF information table.
9. The association apparatus of claim 6,
the user plane interface comprises an N3 interface, and the signaling plane interface comprises at least one of an N1, an N2, an N4 and an N11 interface.
10. The association apparatus according to any one of claims 5 to 9,
the generated document is external data representation xDR data generated by the corresponding user plane probe equipment through correlation processing and backfill processing of user information, position information and signaling related information.
11. A system for association of a signaling plane and a user plane, comprising:
-associating means for performing the associating method of any one of claims 1-5;
the user plane probe equipment is used for acquiring user plane information from each user plane interface and sending the user plane information to the association device;
and the signaling plane probe equipment is used for acquiring signaling plane information from each signaling plane interface and sending the signaling plane information to the association device.
12. The correlation system according to any one of claim 11,
the user plane probe equipment is deployed in a signaling plane machine room in the 5G center;
the signaling plane probe equipment is deployed on a User Plane Function (UPF) entity or a multi-access edge computing (MEC) site;
the association device is deployed in a central machine room.
13. An apparatus for associating a signaling plane and a user plane, comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the association method of any of claims 1-5 based on instructions stored in the memory.
14. A non-transitory computer-readable storage medium, on which a computer program is stored, which program, when executed by a processor, implements the association method of any one of claims 1-5.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115087025A (en) * | 2022-07-21 | 2022-09-20 | 中国联合网络通信集团有限公司 | Private network data acquisition method, device and storage medium |
| CN116260791A (en) * | 2022-12-30 | 2023-06-13 | 武汉博易讯信息科技有限公司 | User association method and system based on 5G user ipv4 multiplexing |
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2020
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115087025A (en) * | 2022-07-21 | 2022-09-20 | 中国联合网络通信集团有限公司 | Private network data acquisition method, device and storage medium |
| CN116260791A (en) * | 2022-12-30 | 2023-06-13 | 武汉博易讯信息科技有限公司 | User association method and system based on 5G user ipv4 multiplexing |
| CN116260791B (en) * | 2022-12-30 | 2024-02-02 | 武汉博易讯信息科技有限公司 | User association method and system based on 5G user ipv4 multiplexing |
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