CN114630342B - Method and device for detecting MEC state through UPF - Google Patents
Method and device for detecting MEC state through UPF Download PDFInfo
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- CN114630342B CN114630342B CN202011451945.7A CN202011451945A CN114630342B CN 114630342 B CN114630342 B CN 114630342B CN 202011451945 A CN202011451945 A CN 202011451945A CN 114630342 B CN114630342 B CN 114630342B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/246—Connectivity information discovery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a method and a device for detecting MEC state through UPF, wherein the method comprises the following steps: establishing a bottom layer link of a machine room, and opening a UPF-MEC physical link; after the service is carried out for the early-stage data configuration, an overlay logic link is opened; the UPF initiates path detection to the MEC through the overlay logic link; the initial screening of the path detection is used as the initial selection path of the subsequent 5G service; the subsequent periodic detection path is adopted, and MEC is triggered to report the performance index of the equipment at proper time; establishing a performance library according to the reported result, and carrying out parallel analysis on the service type and the equipment performance; the data accumulation gradually guides the route selection of the subsequent business and the construction of the business path. The method and the device enable the UPF to detect the turntable of the MEC, grasp the performance of the adjacent MEC, and avoid the influence of the MEC on the 5G service.
Description
Technical Field
The invention relates to the field of acquisition and control platform index acquisition, in particular to a method and a device for detecting MEC states through UPF.
Background
Both UPF (user plane function) and MEC (edge computing platform function) are very important components in 5G business systems. When the 5G service system is deployed, the UPF sinks to the user side and the UPF and the MEC are deployed nearby, so that the service capacities of low time delay, differentiation of user services and the like of the 5G service are realized.
MEC belongs to the technology of access edge calculation, and a host computer to which a free system belongs is used for implementing monitoring and mastering the resource utilization conditions of a single VM (virtual machine), a single physical server CPU, a memory, a disk and the like. However, in the current deployment manner, the UPF belongs to 5G core network side management of an operator, the MEC belongs to the management category of the content side, when the UPF and the MEC are connected and data are transmitted, the UPF and even the whole 5GC are not known about the MEC, and coordination and flow monitoring of each other can cause some problems in actual operation. Therefore, a practical solution is to perform the necessary flow monitoring and scheduling method for the MECs that need to be docked.
Disclosure of Invention
In order to solve the problems, the invention provides a method and a device for detecting the state of MEC through UPF, which enable UPF to detect a turntable of MEC, grasp the performance of adjacent MEC and avoid the influence of MEC on 5G business.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
in one embodiment of the present invention, a method of detecting a MEC state by UPF is presented, the method comprising:
establishing a bottom layer link of a machine room, and opening a UPF-MEC physical link;
after the service is carried out for the early-stage data configuration, an overlay logic link is opened;
the UPF initiates path detection to the MEC through the overlay logic link;
the initial screening of the path detection is used as the initial selection path of the subsequent 5G service;
the subsequent periodic detection path is adopted, and MEC is triggered to report the performance index of the equipment at proper time;
establishing a performance library according to the reported result, and carrying out parallel analysis on the service type and the equipment performance;
the data accumulation gradually guides the route selection of the subsequent business and the construction of the business path.
Further, after the service develops the data configuration in the earlier stage, an overlay logical link is opened, including:
after the bottom layer completes installation integration, the upper layer Vxlan is configured from UPF to MEC to open an overlay logic link.
Further, the UPF initiates path probing to the MEC over the overlay logical link, including:
and after the overlay logic link is molded, periodically performing path detection, and periodically collecting related messages into the UPF.
Further, the first screening of the path detection is used as a primary selected path of the subsequent 5G service, and the method comprises the following steps:
the UPF is connected with a plurality of sets of MECs, and the primary detection discrimination result is reserved in the MECs and is used as a primary selection path of the subsequent 5G service.
In an embodiment of the present invention, there is also provided an apparatus for detecting a MEC status by UPF, the apparatus including:
the bottom layer physical establishing connection module is used for establishing a machine room bottom layer link and opening up a UPF-MEC physical link;
the overlay logic establishes a connection module, and is used for opening an overlay logic link after the service is configured with the data in the earlier stage;
the path detection module is used for initiating path detection to the MEC through the overlay logic link by the UPF; the initial screening of the path detection is used as the initial selection path of the subsequent 5G service; the subsequent periodic detection path is adopted, and MEC is triggered to report the performance index of the equipment at proper time; establishing a performance library according to the reported result, and carrying out parallel analysis on the service type and the equipment performance; the data accumulation gradually guides the route selection of the subsequent business and the construction of the business path.
Further, the overlay logic establishes a connection module, specifically for:
after the bottom layer completes installation integration, the upper layer Vxlan is configured from UPF to MEC to open an overlay logic link.
Further, the UPF initiates path probing to the MEC over the overlay logical link, including:
and after the overlay logic link is molded, periodically performing path detection, and periodically collecting related messages into the UPF.
Further, the first screening of the path detection is used as a primary selected path of the subsequent 5G service, and the method comprises the following steps:
the UPF is connected with a plurality of sets of MECs, and the primary detection discrimination result is reserved in the MECs and is used as a primary selection path of the subsequent 5G service.
In an embodiment of the present invention, a computer device is also provided, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements the aforementioned method of detecting a MEC state by UPF when executing the computer program.
In an embodiment of the invention, a computer-readable storage medium is also presented, the computer-readable storage medium storing a computer program for executing the method of detecting a MEC state by UPF.
The beneficial effects are that:
1. the UPF controls the adjacent MEC, can make preliminary selection on initial selection, and intervenes in the 5G service path reversely.
2. Through the technical intervention of the bottom layer, the response of the MEC side on the AF request side can be triggered, and the performance indexes of some adjacent devices are attached.
3. The performance indexes can guide the selection of equipment of subsequent services and the establishment of a new performance library.
4. Long-term data accumulation plays a guiding role in path discrimination of subsequent businesses.
Drawings
FIG. 1 is a schematic diagram of a conventional flow of a 5G service;
FIG. 2 is a schematic diagram of virtual gateway path querying through overlay technology according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method for detecting MEC status via UPF in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram of an apparatus for detecting MEC status via UPF according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a computer device according to an embodiment of the present invention.
Detailed Description
The principles and spirit of the present invention will be described below with reference to several exemplary embodiments, with the understanding that these embodiments are merely provided to enable those skilled in the art to better understand and practice the invention and are not intended to limit the scope of the invention in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Those skilled in the art will appreciate that embodiments of the invention may be implemented as a system, apparatus, device, method, or computer program product. Accordingly, the present disclosure may be embodied in the following forms, namely: complete hardware, complete software (including firmware, resident software, micro-code, etc.), or a combination of hardware and software.
Fig. 1 is a schematic diagram of a conventional flow of a 5G service. As shown in fig. 1, from the UPF to the following DATA Network, two sets of systems (AN and UPF) are spanned, and if not AN application inside the operator, the two different trusted domains are separated, and the interaction of DATA is performed by the N6 protocol encapsulation, so that basically the UPF and the MEC are separated into two sets of black box systems.
According to the embodiment of the invention, a method and a device for detecting the MEC state through UPF are provided, and the UPF side can monitor the simple performance index of the MEC side, thereby being more beneficial to the execution of 5G business.
Fig. 2 is a schematic diagram of virtual gateway path query through overlay technology according to an embodiment of the present invention. As shown in fig. 2, by querying a routing path between two VMs (virtual machines) in the cloud, such as TOR/EOR switches, vxLAN gateways, hosts, and the like; probing according to an overlay technology, and acquiring a service path; and through the virtual path, the UPF detects the path to the server where the MEC is located, and the VTEP technology is used for detecting the service periodicity, so that the reliability of the path is ensured. The implementation steps are as follows:
1. the 5G service mainly uses toB as a main, and the UPF and MEC in the machine room may be deployed in a close location, or in a nearby location.
2. Both UPF and MEC adopt cloud blurring technology, and the relationship of straight pipes is not existed although the UPF and MEC are close.
3. The 5G service is initiated by the UE side, the order of the upper layer service establishment is that the bottom layer physical establishment connection is established, the overlay logic layer establishment connection is finally that the 5G service is carried out after the service layer is opened.
4. After the overlay logical link is opened, the UPF immediately initiates VTEP path detection to the MEC which can establish connection, and selects the timeliness of the return message.
5. And the detection action is periodically performed in the later period, so that the reliability of the service path is ensured.
The principles and spirit of the present invention are explained in detail below with reference to several representative embodiments thereof.
Fig. 3 is a flow chart of a method for detecting MEC status by UPF according to an embodiment of the invention. As shown in fig. 3, after the construction between the UPF and the MEC is completed, the Vtep test on the Vxlan is started and the test result is returned, a periodic result is formed by a plurality of MECs and a plurality of detections, a result is formed by comparing and analyzing the test result by the system, and the MEC with lower delay is issued under guidance of feeding back 5GC in the form of AF request. The method comprises the following detailed implementation steps:
1. and establishing a machine room bottom link, and opening a UPF-MEC physical link.
2. And after the service is carried out for the early-stage data configuration, opening an overlay logic link such as Vxlan. The MEC adopts virtualized deployment, UPF and MEC belong to different systems, after the bottom layer completes installation integration, the upper layer Vxlan is configured from UPF to MEC, and an overlay logic link is opened.
3. The UPF performs path probing to the MEC through the overlay logical link. After the overlay logic link is formed, VTEP path detection is periodically carried out, and related messages are periodically collected into UPF.
4. The initial discrimination of the path detection is used as the initial selection path of the subsequent 5G service. The UPF is connected with a plurality of sets of MECs, and the primary detection discrimination result is reserved in the MECs and is used as a primary selection path of the subsequent 5G service.
5. And (5) detecting paths periodically and triggering the MEC to report the performance index (AF request content) of the equipment in time.
6. And establishing a performance library according to the reported result, and carrying out parallel analysis on important indexes such as service types, equipment performances and the like.
7. The data accumulation gradually guides the route selection of the subsequent business and the construction of the business path.
It should be noted that although the operations of the method of the present invention are described in a particular order in the above embodiments and the accompanying drawings, this does not require or imply that the operations must be performed in the particular order or that all of the illustrated operations be performed in order to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform.
For a clearer explanation of the above method for detecting the status of a MEC by UPF, a specific embodiment will be described below, but it should be noted that this embodiment is only for better explaining the present invention and is not meant to limit the present invention unduly.
The specific implementation steps are as follows:
the UPF and MEC interface devices are used as VTEP devices. The establishment of the Vxlan tunnel between the UPF and MEC interface devices is accomplished here through BGP routing, and allows clients to interwork with each other.
1. OSPF is configured between the UPF and MEC interface devices such that routes are reachable between each other. Wherein the Loopback0 address of the UPF device is configured to be 1.1.1.1 as its VTEP address, and the Loopback0 address of the MEC interface device is configured to be 2.2.2.2 as its VTEP address.
Inter-peer loop back interface configuration:
2. creating a VNI interface and configuring a gateway address:
3. creating a VNI instance, and associating the VSI interface created in the third step:
a VXLAN channel is created in this VSI instance.
4. The VTEP encapsulates a layer of Vxlan outside the ICMP message, and src ip is 1.1.1.1, i.e., VTEP ip of the UPF device, dst ip is 2.2.2.2, i.e., VTEP ip of the MEC interface device, and Vxlan id is 1000, i.e., l3-vni specified in the VSI.
5. After the Vxlan is established, actions such as VTEP detection and the like are periodically performed, and a better path is selected for the subsequent 5G service.
Based on the same inventive concept, the invention also provides a device for detecting the MEC state through UPF. The implementation of the device can be referred to as implementation of the above method, and the repetition is not repeated. The term "module" as used below may be a combination of software and/or hardware that implements the intended function. While the means described in the following embodiments are preferably implemented in software, implementation in hardware, or a combination of software and hardware, is also possible and contemplated.
Fig. 4 is a schematic structural diagram of an apparatus for detecting MEC status by UPF according to an embodiment of the present invention. As shown in fig. 4, the apparatus includes:
the bottom layer physical establishment connection module 101 is used for establishing a bottom layer link of the machine room and opening up a UPF-MEC physical link;
the overlay logic establishes a connection module 102, which is used for opening an overlay logic link after the service is configured with the data in the earlier stage;
after the bottom layer completes installation integration, configuring an upper layer Vxlan from UPF to MEC to open an overlay logic link by adopting virtualized deployment;
a path detection module 103, configured to initiate path detection to the MEC by the UPF through the overlay logical link; the initial screening of the path detection is used as the initial selection path of the subsequent 5G service; the subsequent periodic detection path is adopted, and MEC is triggered to report the performance index of the equipment at proper time; establishing a performance library according to the reported result, and carrying out parallel analysis on the service type and the equipment performance; the data accumulation gradually guides the route selection of the subsequent service and the construction of the service path;
after the overlay logic link is molded, periodically performing path detection, and periodically collecting related messages into the UPF; the UPF is connected with a plurality of sets of MECs, and the primary detection discrimination result is reserved in the MECs and is used as a primary selection path of the subsequent 5G service.
It should be noted that while several modules of an apparatus for detecting MEC status by UPF are mentioned in the detailed description above, this division is merely exemplary and not mandatory. Indeed, the features and functions of two or more modules described above may be embodied in one module in accordance with embodiments of the present invention. Conversely, the features and functions of one module described above may be further divided into a plurality of modules to be embodied.
Based on the foregoing inventive concept, as shown in fig. 5, the present invention further proposes a computer device 200, including a memory 210, a processor 220, and a computer program 230 stored in the memory 210 and executable on the processor 220, where the processor 220 implements the foregoing method for detecting the MEC status by UPF when executing the computer program 230.
Based on the foregoing inventive concept, the present invention also proposes a computer-readable storage medium storing a computer program for executing the aforementioned method of detecting a MEC state by UPF.
According to the method and the device for detecting the MEC state through the UPF, resource monitoring of various application scenes is supported according to business association of the MEC and the UPF, wherein the resource monitoring comprises local shunting scenes (such as a business park, a campus network, local video monitoring, VR/AR, local video live broadcasting, edge CDN and the like), data service scenes (such as indoor positioning, car networking and the like), and I business optimization scenes (such as video live broadcasting, game acceleration and the like).
While the spirit and principles of the present invention have been described with reference to several particular embodiments, it is to be understood that the invention is not limited to the disclosed embodiments nor does it imply that features of the various aspects are not useful in combination, nor are they useful in any combination, such as for convenience of description. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
It should be apparent to those skilled in the art that various modifications or variations can be made in the present invention without requiring any inventive effort by those skilled in the art based on the technical solutions of the present invention.
Claims (4)
1. A method of detecting MEC status by UPF, the method comprising:
establishing a bottom layer link of a machine room, and opening a UPF-MEC physical link;
after the service is carried out for the early-stage data configuration, an overlay logic link is opened;
the UPF initiates path detection to the MEC through the overlay logic link;
the initial screening of the path detection is used as the initial selection path of the subsequent 5G service;
the subsequent periodic detection path is adopted, and MEC is triggered to report the performance index of the equipment at proper time;
establishing a performance library according to the reported result, and carrying out parallel analysis on the service type and the equipment performance;
the data accumulation gradually guides the route selection of the subsequent service and the construction of the service path;
after the service is carried out for the early-stage data configuration, an overlay logic link is opened, which comprises the following steps:
after the bottom layer completes installation integration, configuring an upper layer Vxlan from UPF to MEC to open an overlay logic link by adopting virtualized deployment;
the UPF initiates path probing to the MEC through the overlay logical link, including:
after the overlay logic link is molded, periodically performing path detection, and periodically collecting related messages into the UPF;
the initial screening of the path detection is used as the initial path of the subsequent 5G service, and comprises the following steps:
the UPF is connected with a plurality of sets of MECs, and the primary detection discrimination result is reserved in the MECs and is used as a primary selection path of the subsequent 5G service.
2. An apparatus for detecting MEC conditions by UPF, the apparatus comprising:
the bottom layer physical establishing connection module is used for establishing a machine room bottom layer link and opening up a UPF-MEC physical link;
the overlay logic establishes a connection module, and is used for opening an overlay logic link after the service is configured with the data in the earlier stage;
the path detection module is used for initiating path detection to the MEC through the overlay logic link by the UPF; the initial screening of the path detection is used as the initial selection path of the subsequent 5G service; the subsequent periodic detection path is adopted, and MEC is triggered to report the performance index of the equipment at proper time; establishing a performance library according to the reported result, and carrying out parallel analysis on the service type and the equipment performance; the data accumulation gradually guides the route selection of the subsequent service and the construction of the service path;
the overlay logic establishes a connection module, which is specifically configured to:
after the bottom layer completes installation integration, configuring an upper layer Vxlan from UPF to MEC to open an overlay logic link by adopting virtualized deployment;
the UPF initiates path probing to the MEC through the overlay logical link, including:
after the overlay logic link is molded, periodically performing path detection, and periodically collecting related messages into the UPF;
the initial screening of the path detection is used as the initial path of the subsequent 5G service, and comprises the following steps:
the UPF is connected with a plurality of sets of MECs, and the primary detection discrimination result is reserved in the MECs and is used as a primary selection path of the subsequent 5G service.
3. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method of claim 1 when executing the computer program.
4. A computer readable storage medium, characterized in that the computer readable storage medium stores a computer program for executing the method of claim 1.
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