CN110071822B - Testing device and testing method for 5G core network infrastructure - Google Patents
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Abstract
The invention belongs to the technical field of 5G communication, and particularly relates to a testing device and a testing method for 5G core network infrastructure. The test device comprises: the device comprises a main controller, and a test sub-module, a cache module, a test result display module and a Web configuration interface module which are respectively connected with the main controller, wherein a data storage module is respectively connected with the cache module and the test result display module. The main controller includes: a self-adaptive configuration module; a Web management module; a sub-module control module; and an interface calling module. The test method comprises the following steps: aiming at the function and performance test of a virtual resource pool (NFVI) of a 5G core network, the NFVI of the 5G core network is tested by adopting a micro-service architecture and a non-intrusive mode, and the method comprises the following steps: the method comprises the steps of a virtualized interface consistency test, a virtual machine VM connectivity test, an IPv6 related test, a high available HA test, a network function service chain SFC test, a network element NF life cycle management test and a two-layer and three-layer network performance test.
Description
Technical Field
The invention belongs to the technical field of 5G communication, and particularly relates to a testing device and a testing method for 5G core network infrastructure.
Background
The 3GPP confirms that the 5G system Architecture adopts a natural cloud design concept, and key characteristics thereof include Service-based Architecture (SBA), network slicing, and edge computing. The service SBA architecture divides network element functions into fine-grained network services, and a cloud NFV platform lightweight deployment unit is in 'seamless' butt joint, so that agile system architecture support is provided for differentiated service scenes. Network Function Virtualization (NFV) in the prior art is a key technology for operators to realize cloud networking and 5G.
The NFV standard of ETSI is a mainstream architecture specification in the NFV industry at present, and divides the NFV architecture into several main components, such as NFVI, VIM, MANO, OSS/BSS, and VNF, and each component communicates with each other through a protocol specification, thereby implementing agility, automation, and intelligence of the NFV. The main network service function NF network element in 5GC relies on the NFV infrastructure NFVI & VIM to provide the necessary cloud resource pool, and how to ensure that the NFV infrastructure provides a standard, stable resource pool and to effectively test it is a difficult problem in the current NFV development. The 5GC adopts an NFV virtualization architecture, a plurality of network function services (NF Service, NFS) are pulled up in an NFV cloud resource pool, each network element bears certain network functions, and the normal services of the network elements depend on the stable and normal services of the cloud resource pool, such as CPUs, storage and network services of the network elements, so that comprehensive and complete testing needs to be performed on the infrastructure of the 5 GC.
NFV decouples and functionally recombines conventional telecommunication equipment into numerous components, but none of them can be plug and play. The desire to integrate components from different suppliers and optimize their co-operation necessarily adds complexity and affects stability. In addition, there is no uniform standard in the NFV industry, and different standards organizations, open source projects, supplier and operator involvement present technical fragmentation challenges. For example, the classification according to ETSI standard NFV infrastructure nfvi (NFV infrastructure) is: a hardware layer, a virtualization layer, and a virtual resource layer. The three-layer components of the NFVI can be provided by different vendors and combined at will, so that problems such as docking failure and performance optimization inevitably occur in the process of combining the three-layer components, and meanwhile, due to the problem of non-uniform vendor implementation and interface standards, various connectivity problems also occur when the virtual resource layer provides services to the upper layer. Therefore, the difficulties that cannot be overcome by NFV infrastructure are: 1) the interconnection and intercommunication difficulties caused by the non-uniform interface standards of the NFVI virtual resource layer, and 2) the performance bottleneck limitation caused by the insufficient optimization of the NFVI. It is therefore necessary to ensure stability, functionality and performance limitations of NFVI through extensive and repetitive testing.
Disclosure of Invention
In order to solve the technical problems, the invention provides a testing device and a testing method for 5G core network infrastructure.
The test device comprises: the device comprises a main controller, and a test sub-module, a cache module, a test result display module and a Web configuration interface module which are respectively connected with the main controller, wherein a data storage module is respectively connected with the cache module and the test result display module.
The main controller includes:
the self-adaptive configuration module is responsible for configuration and analysis of the test cases;
the Web management module is responsible for analyzing the configuration information issued by the Web configuration page;
the sub-module control module is responsible for creating other micro-service containers and communicating with the micro-service containers;
and the interface calling module is responsible for calling the interface of the third-party tool.
The test submodule carries out aggregation grouping on the functions of specific tests, and comprises the following steps: the method comprises the steps of a virtualized interface consistency test, a virtual machine VM connectivity test, an IPv6 related test, a high available HA test, a network function service chain SFC test, a network element NF life cycle management test and a two-layer and three-layer network performance test.
And after the test is finished, a single functional module in the test sub-module writes a test result into the data storage module, and a first-level cache module is added to reduce the data writing pressure.
The Web configuration interface module is responsible for the configuration generation of a Web display page and test contents of the test device.
The test result display module is used for providing a humanized test result display interface after the test is finished, so that the test result can be conveniently checked, important test data can be screened, and a test report can be exported and generated.
The test device is connected with a 5GC infrastructure to be tested when in use.
The test method comprises the following steps: aiming at the function and performance test of a virtual resource pool (NFVI) of a 5G core network, the NFVI of the 5G core network is tested by adopting a micro-service architecture and a non-intrusive mode, and the method comprises the following steps: the method comprises the steps of a virtualized interface consistency test, a virtual machine VM connectivity test, an IPv6 related test, a high available HA test, a network function service chain SFC test, a network element NF life cycle management test and a two-layer and three-layer network performance test.
The micro-service architecture forms a plurality of test sub-modules by subdividing and clustering the functions of the test components, and is flexibly combined and matched according to test requirements.
And a plurality of the test sub-modules have the function of independently iteratively upgrading test contents.
The invention has the beneficial effects that:
the invention sets a universal NFVI test specification on the basis of investigating standard organizations, operator standard specifications, open source organizations and supplier realization, and aims at the test specification of the 5G core network test device and the test method, the call test of a universal interface can ensure that the compatibility problem can not occur when the basic facility is butted with other upper-layer software, the test of the basic network function ensures that the basic network function can be provided, and the performance limit of the basic facility can be obtained by aiming at the performance test.
The main controller and each test module in the test device are realized by adopting containerized micro-services, the main controller provides an adaptive configuration module for providing a web page, a command line and a third-party integrated calling interface, the test can be started through the three operation modes, the self-adaptive test case selection and configuration are carried out according to the test configuration after the test is started, and the test sub-modules are started in sequence after the content configuration of the test case is finished, so that the serial or parallel calling assembly is supported to test the 5GC infrastructure to be tested. After the test is finished, a test report is generated, log files in the test process are packaged and sent to a specified position, and meanwhile, the test result can be checked in a web interface.
The test submodule has the characteristics of optional use, after use, destruction, quick start, less occupied resources, independent upgrade and the like. The plurality of sub-modules have the function of independent iterative upgrade of test contents, and the upgrade problem caused by the upgrade of the whole test device is avoided. The micro-service architecture forms a plurality of test sub-modules by subdividing and clustering the functions of the test components, and the test sub-modules are flexibly combined and matched according to test requirements. The containerization framework is convenient for quick construction and dismantling of the test environment and parallel execution of the test, saves time, and also solves the problems of inflexible combination of test items, complex construction of the test environment and the like in the test process.
Different from 3G and 4G that implement a core network by using a black box method of physical hardware and software, in the R15 standard of 3GPP, each function of a 5G core network is split into multiple network elements, and the network elements operate in a virtualized resource pool provided by NFVI. The testing device and the testing method disclosed by the invention are also special for testing the functions and the performances of the virtual resource pool NFVI of the 5G core network. The method comprises the following steps of testing the NFVI of the 5G core network by adopting a micro-service architecture and a non-invasive mode, wherein the testing comprises the following steps: and testing a plurality of functions and performances of interface standardization of the infrastructure, basic network function service, IPv6 service, virtual machine cold/hot migration and the like.
Drawings
FIG. 1 is a diagram of a 5GC infrastructure test architecture of the present invention.
FIG. 2 is a detailed architecture diagram of the testing device of the present invention.
FIG. 3 is a flow chart of a 5GC infrastructure test of the present invention.
Detailed Description
The embodiments are described in detail below with reference to the accompanying drawings.
Fig. 1 shows a 5GC infrastructure test system architecture diagram of the present invention, whose main system architecture components include:
1) the Tester of the testing device, its framework is a master controller, control a plurality of modules, include: the test submodule is responsible for testing different functional groups; the cache module is responsible for caching test result records; the data storage module is used for storing a test result; the test result display module previews interface analysis for the test result. The testing device mainly tests 5GC infrastructure;
2) the 5GC infrastructure to be tested provides a virtualized resource pool for the 5GC, and provides services such as virtual computing, virtual network and virtual storage for network elements running on the infrastructure.
The invention describes a Tester of a 5G core network infrastructure and how the Tester tests the 5GC infrastructure NFVI & VIM through a micro service architecture, and the test comprises a test flow, result output, result preview and the like.
The main controller and each test module in the test device are implemented by adopting containerized micro-services, the main controller provides an adaptive configuration module to provide a web page, a command line and a third-party integrated calling interface, the test can be started through the three operation modes, the self-adaptive test case selection and configuration are carried out according to the test configuration after the test is started, and after the content configuration of the test case is completed, the test sub-modules are started in sequence to support serial or parallel calling components to test the 5GC infrastructure to be tested. After the test is finished, a test report is generated, log files in the test process are packaged and sent to a specified position, and meanwhile, the test result can be checked in a web interface.
FIG. 2 is a detailed structure diagram of the testing device
The detailed architecture diagram of the test fixture controller, the master controller test fixture core controller, including: the self-adaptive configuration module is responsible for configuration and analysis of the test cases; the web management module is responsible for analyzing the configuration information issued by the web configuration page; the sub-module control module is responsible for creating other micro-service containers and communicating with the micro-service containers; and the interface calling module is responsible for calling the interface of the third-party tool. The Web configuration interface is responsible for the Web display page of the testing device and the configuration generation of the testing content. The testing sub-module performs aggregation grouping on the functions of specific tests, such as test contents of IPv6 related tests, virtual machine VM connectivity tests, virtualization (openstack, vmware and the like) interface consistency tests, network element NF life cycle management, network function service chain SFC, high-availability HA and the like. The test submodule carries out test item configuration according to the content to be tested and has the characteristics of random selection and use, destruction after use, quick start, less occupied resources, independent upgrade and the like. The single module function writes the test result into the data storage module after the test is completed, and a first-level cache module is added to reduce the data writing pressure in order to avoid the situations of faster data writing and the like. The test result display module is used for providing a humanized test result display interface after the test is finished, so that the test result can be conveniently checked, important test data can be screened, and a test report can be exported and generated.
FIG. 3 is a flow chart of 5GC infrastructure test according to the present invention
Step 1-1: selecting test contents and configuring the test tool through a command line or a web page of the test tool;
step 1-2: starting a test tool, and analyzing the test content configuration file by the test tool;
step 1: 3: judging whether a database and a cache module exist or not, if not, executing the step 1-4, otherwise, executing the step 1-6;
step 1-4: downloading a needed database and a needed cache module mirror image, and then executing the step 1-5;
step 1-5: starting a database and a cache module, importing corresponding configuration files, and then executing the steps 1-6;
step 1-6: judging whether the specified test module mirror image exists, if not, executing the steps 1-7, otherwise, executing the steps 1-8;
step 1-7: downloading a mirror image of a required specified test module, and then executing the step 1-8;
step 1-8: starting a test module mirror image;
step 1-9: checking whether the test module mirror image is successfully started, if the test module mirror image is not successfully started, executing the steps 1-10, otherwise executing the steps 1-11;
step 1-10: reporting error information and error reasons to a main controller node, handing over to manual processing, and then ending the test;
step 1-11: transmitting the test configuration file to the test module;
step 1-12: the test module tests in sequence according to the specified test configuration file;
step 1-13: recording the test results in the steps 1-12, and storing log logs in the test process in a test result database on a Master node;
step 1-14: checking whether the content to be detected still exists, if so, executing the steps 1-6 in a circulating mode until the content to be detected does not exist, and if not, executing the steps 1-15;
step 1-15: outputting the test result to a test report;
step 1-16: packaging the test results includes: uploading logs, configuration files, test results and the like of the test process to a specified position; the NRF returns confirmation information after receiving the information sent in the step 1-15 and finishes the process;
step 1-17: and checking the test result in the test result web interface, and then finishing the test process.
The present invention is not limited to the above embodiments, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention are also within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A test apparatus for a 5G core network infrastructure, comprising: the device comprises a main controller, and a test sub-module, a cache module, a test result display module and a Web configuration interface module which are respectively connected with the main controller, wherein a data storage module is respectively connected with the cache module and the test result display module; the main controller and each test module are realized by adopting containerized micro-service;
the main controller includes:
the self-adaptive configuration module is responsible for configuration and analysis of the test cases;
the Web management module is responsible for analyzing the configuration information issued by the Web configuration page;
the sub-module control module is responsible for creating other micro-service containers and communicating with the micro-service containers;
the interface calling module is responsible for calling the interface of the third-party tool; the 5G core network NFVI is tested by adopting a micro-service architecture and a non-invasive mode.
2. The test apparatus of claim 1, wherein the test submodule groups together functions of specific tests, and comprises: the method comprises the steps of a virtualized interface consistency test, a virtual machine VM connectivity test, an IPv6 related test, a high available HA test, a network function service chain SFC test, a network element NF life cycle management test and a two-layer and three-layer network performance test.
3. The test device of claim 1, wherein a single functional module in the test sub-module writes the test result into the data storage module after the test is completed, and adds a first-level cache module to reduce the data writing pressure.
4. The testing device of claim 1, wherein the Web configuration interface module is responsible for Web presentation pages of the testing device and configuration generation of test content.
5. The testing device as claimed in claim 1, wherein the test result displaying module is configured to provide a humanized test result displaying interface for facilitating checking of the test result, screening of important test data and exporting of the test report.
6. A test device according to any one of claims 1 to 5, wherein the test device is connected in use to a 5GC infrastructure under test.
7. The testing method based on the testing apparatus of claim 6, wherein for the function and performance test of the virtual resource pool NFVI of the 5G core network, the testing of the NFVI of the 5G core network is performed by using a micro service architecture and a non-intrusive method, and includes: the method comprises the steps of a virtualized interface consistency test, a virtual machine VM connectivity test, an IPv6 related test, a high available HA test, a network function service chain SFC test, a network element NF life cycle management test and a two-layer and three-layer network performance test.
8. The method of claim 7, wherein the micro-service architecture flexibly combines and collocates the test sub-modules according to test requirements by subdividing and re-clustering the test component functions to form the plurality of test sub-modules.
9. The test method of claim 7, wherein a plurality of the test sub-modules have a test content independent iterative upgrade function.
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| CN111147322B (en) * | 2019-12-13 | 2022-06-28 | 中盈优创资讯科技有限公司 | Test system and method for micro service architecture of 5G core network |
| CN111597117B (en) * | 2020-05-22 | 2022-02-25 | 厦门理工学院 | Automated testing, monitoring and intelligent operation and maintenance system based on open source software |
| CN112187608B (en) * | 2020-06-16 | 2022-04-08 | 浪潮云信息技术股份公司 | OpenStack-based transparent mode service chain implementation method and system |
| CN112422330B (en) * | 2020-11-06 | 2023-05-30 | 北京连星科技有限公司 | Method for managing enterprise network IPv6 intergrating migration full life cycle |
| CN114826928B (en) * | 2021-01-21 | 2024-11-08 | 中国移动通信有限公司研究院 | NFV test processing method, device and related equipment |
| CN115278739A (en) * | 2021-04-29 | 2022-11-01 | 中国移动通信集团浙江有限公司 | Fault warning method, device, device and computer-readable storage medium |
| CN115396335B (en) * | 2022-08-11 | 2023-05-16 | 重庆邮电大学 | Industrial wireless network equipment access IPv6 test system and method based on micro-service |
| CN117785585A (en) * | 2024-01-05 | 2024-03-29 | 北京卓讯科信技术有限公司 | An automated testing method and device for convergence and shunt equipment |
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