CN109391492B - Simulation network building method for communication network management performance test - Google Patents
Simulation network building method for communication network management performance test Download PDFInfo
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- CN109391492B CN109391492B CN201710674362.2A CN201710674362A CN109391492B CN 109391492 B CN109391492 B CN 109391492B CN 201710674362 A CN201710674362 A CN 201710674362A CN 109391492 B CN109391492 B CN 109391492B
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Abstract
The application provides a method for building a communication network management performance test simulation network. The method comprises the following steps: calculating the optimal performance parameter configuration ratio of a network card and a CPU (Central processing Unit) used by a cloud host according to the physical performance parameters of a simulation network element in a communication network management performance test simulation network to be built, and the network card performance parameters and the CPU performance parameters of the cloud host; configuring the network card and the CPU of the cloud host according to the calculated optimal performance parameter configuration ratio of the network card and the CPU used by the cloud host; when the network card and the CPU of the cloud host are configured, calculating the total number of the cloud host required by building the simulation network according to the total number of the simulation network elements required by the performance test of the communication network manager; and establishing a corresponding number of cloud hosts for the communication network management performance test simulation network according to the calculated total number of the cloud hosts. The communication network management performance test simulation network built by the application is closer to a real network, and the accuracy of a performance test simulation result is improved.
Description
Technical Field
The invention relates to the technical field of communication network management, in particular to a method for building a communication network management performance test simulation network.
Background
The performance test of the communication network management refers to the test of various performance indexes of the communication network management under the condition of large-scale network elements. The general indicators are: response time, processing power, manageable network element size, etc.
The performance test of the communication network management usually adopts a method that the test requirement of the network of a large-scale network element is realized by a small amount of real network element equipment and a plurality of virtual network element equipment constructed by simulation software, thereby reducing the equipment investment and lowering the cost to a certain extent.
Fig. 1 is a schematic diagram of a typical communication network management performance test simulation network.
Cloud technology is also called cloud computing, and refers to a hosting technology for unifying series resources such as hardware, software, networks and the like in a wide area network or a local area network to realize data computing, storing, processing and sharing.
The cloud computing system stores data in a distributed storage mode, and guarantees the reliability of the data in a redundant storage mode (such as cluster computing, data redundancy and distributed storage). The redundancy mode ensures low cost by task decomposition and clustering and replacing the performance of the super computer by a low-allocation machine, and ensures high availability, high reliability and economy of distributed data.
In general, in a communication network management performance test, a PC (Personal Computer) is used to start simulation software to simulate a real network element, and a simulated network environment required by the network management performance test is built. When a PC is used to start simulation software to simulate real network elements, all simulation network elements are established on one or two PCs, and the defects of the simulation software are as follows:
firstly, all data (such as SNMP protocol messages) simulating the interaction between network elements and network managers are transmitted through network cards of a PC, and the limited number of the network cards, the bandwidth and the transmission rate can cause concurrent messages to be changed into serial messages, so that the interaction between network element equipment and the network managers in a real network cannot be simulated, and the scene is not consistent with the actual interaction scene between multiple network elements and the network managers directly.
Secondly, the number of CPUs and the main frequency of the PC cannot meet the performance requirements of a large number of simulation network elements, which may cause low operation performance of the simulation network elements and a large difference from real equipment.
In conclusion, the performance test data generated by the built network test environment may have a larger difference from the performance test result in the real environment.
Disclosure of Invention
The application provides a method for building a communication network management performance test simulation network, so that the communication network management performance test simulation network is closer to a real network, and the accuracy of a performance test simulation result is improved.
The technical scheme of the invention is realized as follows:
a method for building a communication network management performance test simulation network comprises the following steps:
calculating the optimal performance parameter configuration ratio of a network card and a CPU (Central processing Unit) used by a cloud host according to the physical performance parameters of a simulation network element in a communication network management performance test simulation network to be built, and the network card performance parameters and the CPU performance parameters of the cloud host;
configuring the network card and the CPU of the cloud host according to the calculated optimal performance parameter configuration ratio of the network card and the CPU used by the cloud host;
when the network card and the CPU of the cloud host are configured, calculating the total number of the cloud host required by building the simulation network according to the total number of the simulation network elements required by the performance test of the communication network manager;
and establishing a corresponding number of cloud hosts for the communication network management performance test simulation network according to the calculated total number of the cloud hosts.
The optimal performance parameter configuration ratio of the network card and the CPU used by the computing cloud host comprises the following steps:
calculating the number of simulation network elements which can be borne by a single cloud host according to the network card performance parameters of the cloud host;
calculating the number of simulation network elements which can be borne by a single cloud host according to the CPU performance parameters of the cloud host;
and calculating the optimal performance parameter configuration ratio of the network card and the CPU used by the cloud host according to the obtained two calculation results of the number of the simulation network elements which can be borne by the single cloud host.
The calculating the number of the simulation network elements which can be borne by a single cloud host according to the network card performance parameters of the cloud host comprises the following steps:
according to the bandwidth W of a single network card of the cloud hostNetwork cardNumber f of network cards required for single cloud hostNetwork cardAnd the maximum data flow size L reported by a single network element in unit timeData flowThe number of simulation network elements which can be borne by a single computing cloud host is as follows: (W)Network card×fNetwork card)/LData flow；
The calculating the number of simulation network elements which can be borne by a single cloud host according to the CPU performance parameters of the cloud host comprises the following steps:
according to the number f of CPUs adopted by a single cloud hostCPUCore number f of single CPU adopted by cloud hostcore/CPUAnd the number f of simulation network elements which can be borne by the single-core CPU with the same main frequency as the multi-core CPU used by the cloud hostAnalog network element/CPUThe number of the simulation network elements which can be borne by a single computing cloud host is as follows: f. ofAnalog network element/CPU×fCPU×fcore/CPU；
According to the obtained two calculation results of the number of the simulation network elements which can be borne by the single cloud host, calculating the optimal performance parameter configuration ratio of the network card and the CPU used by the cloud host comprises the following steps:
according to (W)Network card×fNetwork card)/LData flow＝fAnalog network element/CPU×fCPU×fcore/CPUObtaining the optimal performance parameter configuration ratio of the network card and the CPU used by the cloud host as follows:
fnetwork card/(fCPU×fcore/CPU)＝fAnalog network element/CPU×LData flow/WNetwork card。
The calculating the total number of the cloud hosts required for building the simulation network comprises:
calculating fCloud host＝SAnalog network element/(fAnalog network element/CPU×fCPU×fcore/CPU)
Wherein S isAnalog network elementThe total number of simulation network elements required by the simulation network for the performance test of the communication network management.
Said LData flow＝LAlarm system×fAlarm system+LConfiguration of×fConfiguration of+LPerformance of×fPerformance ofWherein, in the step (A),
falarm systemIs the maximum number, L, of alarm messages reported by each network element in a unit timeAlarm systemFor the length of each alarm message, fConfiguration ofIs the maximum number, L, of configuration messages reported by each network element in a unit timeConfiguration ofFor the length of each configuration message, fPerformance ofIs the maximum number, L, of performance files reported by each network element in a unit timePerformance ofFor the length of each performance file.
After the cloud hosts with the corresponding number are established for the communication network management performance test simulation network, the method further comprises the following steps:
all cloud hosts created for the communication network management performance test simulation network are used as a cloud service instance, cloud mirroring is conducted on the cloud service instance, and the cloud mirroring is shared.
According to the method and the device, the network card and the CPU configuration of the cloud host and the total number of the cloud hosts required by building the simulation network are calculated according to the physical performance parameters of the simulation network elements in the communication network management performance test simulation network to be built, the network card performance parameters and the CPU performance parameters of the cloud host, so that the built communication network management performance test simulation network is closer to a real network, and the accuracy of performance test simulation results is improved.
Drawings
Fig. 1 is a flow chart of a method for establishing a communication network management performance test simulation network according to an embodiment of the present application;
fig. 2 is a schematic diagram of a communication network management performance test simulation network constructed according to an embodiment of the present application;
fig. 3 is a flowchart of a method for building a communication network management performance test simulation network according to another embodiment of the present application.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a flowchart of a method for building a communication network management performance test simulation network according to an embodiment of the present application, and the method includes the following specific steps:
step 101: and calculating the optimal performance parameter configuration ratio of the network card and the CPU used by the cloud host according to the physical performance parameters of the simulation network element in the communication network management performance test simulation network to be built, the network card performance parameters and the CPU performance parameters of the cloud host.
Step 102: and configuring the network card and the CPU of the cloud host according to the calculated optimal performance parameter configuration ratio of the network card and the CPU used by the cloud host.
Step 103: and when the network card and the CPU of the cloud host are configured, calculating the total number of the cloud host required by building the simulation network according to the total number of the simulation network elements required by the performance test of the communication network manager.
Step 104: and establishing a corresponding number of cloud hosts for the communication network management performance test simulation network according to the calculated total number of the cloud hosts.
Fig. 2 is a schematic diagram of a communication network management performance test simulation network constructed according to an embodiment of the present application.
Fig. 3 is a flowchart of a method for building a communication network management performance test simulation network according to another embodiment of the present application, which includes the following specific steps:
step 301: and determining that a communication network management performance test simulation network is to be built by adopting a cloud technology.
Step 302: and calculating the number of the simulation network elements which can be borne by a single cloud host according to the physical performance parameters of the simulation network elements in the communication network management performance test simulation network to be set up and the network card performance parameters of the cloud host.
The physical performance parameter of the analog network element refers to the maximum data stream size L reported by a single network element in unit timeData flow。
In the communication network management performance test simulation network, the data flow of network element and network management interaction mainly comprises: configuration messages, alarm messages, performance files, etc. The maximum data flow concurrency condition is as follows: configuration message + alarm message + performance file reporting processing, wherein:
the unit time is set as follows: within each second, the maximum number of the alarm messages reported by each network element is fAlarm systemEach alarm message has a length LAlarm systemThen, the maximum alarm data flow size per unit time is: l isAlarm system×fAlarm system；
The unit time is set as follows: the maximum number of configuration messages reported by each network element in each second is fConfiguration ofEach configuration message has a length LConfiguration ofThen, the maximum configuration data stream size per unit time is: l isConfiguration of×fConfiguration of；
The unit time is set as follows: the maximum number of the performance files reported by each network element in each second is fPerformance ofEach performance file has a length LPerformance ofThen the maximum performance data flow size per unit time is: l isPerformance of×fPerformance of；
On a single network element per unit timeThe maximum data stream size reported is: l isData flow＝LAlarm system×fAlarm system+LConfiguration of×fConfiguration of+LPerformance of×fPerformance of。
The network card performance parameters of the cloud host refer to the bandwidth of a single network card of the cloud host and the number of the network cards required by a single cloud host, wherein:
setting the bandwidth of a single network card of the cloud host computer to be WNetwork cardThe number of network cards required by a single cloud host is fNetwork cardThen, the number of the simulation network elements that can be borne by a single cloud host is:
(Wnetwork card×fNetwork card)/LData flow
In addition, L isAlarm system、fAlarm system、LConfiguration of、fConfiguration of、LPerformance of、fPerformance ofThese six parameters are statistically available in advance, WNetwork cardIs pre-configured, fNetwork cardAre unknown and require computation.
Step 303: and calculating the number of simulation network elements which can be borne by a single cloud host according to the performance parameters of the CPU used by the cloud host.
The performance parameters of the CPU used by the cloud host comprise: number f of CPUs adopted by single cloud hostCPUCore number f of single CPU adopted by cloud hostcore/CPUThe number f of simulation network elements which can be borne by the single-core CPU with the same main frequency as the multi-core CPU used by the cloud hostAnalog network element/CPUAnd then: the number of simulation network elements that a single cloud host can bear is as follows: f. ofAnalog network element/CPU×fCPU×fcore/CPU。
Wherein f isAnalog network element/CPUIs known, fCPUAnd fcore/CPUUnknown, needs to be calculated.
Step 304: and calculating the optimal performance parameter configuration ratio of the network card and the CPU used by the cloud host according to the number of the simulation network elements which can be borne by the single cloud host and are respectively obtained in the steps 302 and 303.
Specifically, the method comprises the following steps:
(Wnetwork card×fNetwork card)/LData flow＝fAnalog network element/CPU×fCPU×fcore/CPU
Then:
(Wnetwork card×fNetwork card)/(fCPU×fcore/CPU)＝fAnalog network element/CPU×LData flow
Or: f. ofNetwork card/(fCPU×fcore/CPU)＝fAnalog network element/CPU×LData flow/WNetwork card
Thus obtaining: f. ofNetwork card/(fCPU×fcore/CPU) Optimal arrangement ratio of (2): f. ofAnalog network element/CPU×LData flow/WNetwork card
Step 305: and configuring the network card and the CPU of the cloud host according to the calculated optimal performance parameter configuration ratio of the network card and the CPU used by the cloud host.
Step 306: and when the network card and the CPU of the cloud host are configured, calculating the total number of the cloud host required by building the simulation network according to the total number of the simulation network elements required by the performance test of the communication network manager.
Total number of cloud hosts fCloud hostCalculated by the following formula:
fcloud host＝SAnalog network element/(fAnalog network element/CPU×fCPU×fcore/CPU)
Wherein S isAnalog network elementThe total number of simulation network elements required by the simulation network for the performance test of the communication network management.
After the performance configuration of the network card and the CPU of the cloud host is executed according to the calculated optimal performance parameter configuration ratio of the network card and the CPU used by the cloud host in step 305, fNetwork card、fCPU、fcore/CPUAll become known parameters, then in step 306, the formula S can be usedAnalog network element/(fAnalog network element/CPU×fCPU×fcore/CPU) Calculate fCloud hostIt is used.
Step 307: and establishing a corresponding number of cloud hosts for the communication network management performance test simulation network according to the calculated total number of the cloud hosts.
In practical application, in order to conveniently build the communication network management performance test simulation network in batch, after all cloud hosts are built for one communication network management performance test simulation network, all the built cloud hosts can be used as a cloud service example, cloud mirroring is carried out on the cloud service example, the cloud mirror image is shared, and then when other communication network management performance test simulation networks with the same scale need to be built, the cloud mirror image can be directly used for building without an intermediate computing process.
The beneficial technical effects of this application are as follows:
according to the method, the optimal performance parameter configuration ratio of the network card and the CPU used by the cloud host is calculated according to the physical performance parameters of the simulation network element in the communication network management performance test simulation network to be built, and the network card performance parameters and the CPU performance parameters of the cloud host; configuring the network card and the CPU of the cloud host according to the calculated optimal performance parameter configuration ratio of the network card and the CPU used by the cloud host; when the network card and the CPU of the cloud host are configured, calculating the total number of the cloud host required by building the simulation network according to the total number of the simulation network elements required by the performance test of the communication network manager; and according to the calculated total number of the cloud hosts, establishing a corresponding number of cloud hosts for the communication network management performance test simulation network, so that the established communication network management performance test simulation network is closer to a real network, and the performance test simulation result is more accurate.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. A method for building a communication network management performance test simulation network is characterized by comprising the following steps:
calculating the optimal performance parameter configuration ratio of a network card and a CPU (Central processing Unit) used by a cloud host according to the physical performance parameters of a simulation network element in a communication network management performance test simulation network to be built, and the network card performance parameters and the CPU performance parameters of the cloud host;
configuring the network card and the CPU of the cloud host according to the calculated optimal performance parameter configuration ratio of the network card and the CPU used by the cloud host;
when the network card and the CPU of the cloud host are configured, calculating the total number of the cloud host required by building the simulation network according to the total number of the simulation network elements required by the performance test of the communication network manager;
according to the calculated total number of the cloud hosts, a corresponding number of cloud hosts are established for the communication network management performance test simulation network;
the optimal performance parameter configuration ratio of the network card and the CPU used by the computing cloud host comprises the following steps: calculating the number of simulation network elements which can be borne by a single cloud host according to the network card performance parameters of the cloud host; calculating the number of simulation network elements which can be borne by a single cloud host according to the CPU performance parameters of the cloud host; calculating the optimal performance parameter configuration ratio of a network card and a CPU (central processing unit) used by the cloud host according to the obtained two calculation results of the number of the simulation network elements which can be borne by the single cloud host;
the calculating the number of the simulation network elements which can be borne by a single cloud host according to the network card performance parameters of the cloud host comprises the following steps:
according to the bandwidth W of a single network card of the cloud hostNetwork cardNumber f of network cards required for single cloud hostNetwork cardAnd the maximum data flow size L reported by a single network element in unit timeData flowThe number of simulation network elements which can be borne by a single computing cloud host is as follows: (W)Network card×fNetwork card)/LData flow；
The calculating the number of simulation network elements which can be borne by a single cloud host according to the CPU performance parameters of the cloud host comprises the following steps:
according to the number f of CPUs adopted by a single cloud hostCPUCore number f of single CPU adopted by cloud hostcore/CPUAnd the number f of simulation network elements which can be borne by the single-core CPU with the same main frequency as the multi-core CPU used by the cloud hostAnalog network element/CPUThe number of the simulation network elements which can be borne by a single computing cloud host is as follows: f. ofAnalog network element/CPU×fCPU×fcore/CPU；
According to the obtained two calculation results of the number of the simulation network elements which can be borne by the single cloud host, calculating the optimal performance parameter configuration ratio of the network card and the CPU used by the cloud host comprises the following steps:
according to (W)Network card×fNetwork card)/LData flow＝fAnalog network element/CPU×fCPU×fcore/CPUObtaining the optimal performance parameter configuration ratio of the network card and the CPU used by the cloud host as follows:
fnetwork card/(fCPU×fcore/CPU)＝fAnalog network element/CPU×LData flow/WNetwork card。
2. The method of claim 1, wherein calculating the total number of cloud hosts required to build the simulation network comprises:
calculating fCloud host＝SAnalog network element/(fAnalog network element/CPU×fCPU×fcore/CPU)
Wherein S isAnalog network elementThe total number of simulation network elements required by the simulation network for the performance test of the communication network management.
3. The method of claim 1, wherein L isData flow＝LAlarm system×fAlarm system+LConfiguration of×fConfiguration of+LPerformance of×fPerformance ofWherein, in the step (A),
falarm systemIs the maximum number, L, of alarm messages reported by each network element in a unit timeAlarm systemFor the length of each alarm message, fConfiguration ofIs the maximum number, L, of configuration messages reported by each network element in a unit timeConfiguration ofFor the length of each configuration message, fPerformance ofIs the maximum number, L, of performance files reported by each network element in a unit timePerformance ofFor the length of each performance file.
4. The method of claim 1, wherein after creating the corresponding number of cloud hosts for the communication network management performance test simulation network, the method further comprises:
all cloud hosts created for the communication network management performance test simulation network are used as a cloud service instance, cloud mirroring is conducted on the cloud service instance, and the cloud mirroring is shared.
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| CN1614941A (en) * | 2004-12-02 | 2005-05-11 | 上海交通大学 | Method for establishing complex network running environmental analog stimulative platform |
| US7418376B1 (en) * | 2004-04-08 | 2008-08-26 | Cisco Systems, Inc. | Method for generating a simulated network based on an actual managed network |
| CN102104502A (en) * | 2009-12-18 | 2011-06-22 | 研祥智能科技股份有限公司 | Ethernet equipment performance test platform based on Linux system |
| CN105847088A (en) * | 2016-05-18 | 2016-08-10 | 浪潮电子信息产业股份有限公司 | Virtual machine performance test system based on cloud service |
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| WO2007038584A1 (en) * | 2005-09-27 | 2007-04-05 | Stanley, Morgan | Computer networks for providing a test environment |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7418376B1 (en) * | 2004-04-08 | 2008-08-26 | Cisco Systems, Inc. | Method for generating a simulated network based on an actual managed network |
| CN1614941A (en) * | 2004-12-02 | 2005-05-11 | 上海交通大学 | Method for establishing complex network running environmental analog stimulative platform |
| CN102104502A (en) * | 2009-12-18 | 2011-06-22 | 研祥智能科技股份有限公司 | Ethernet equipment performance test platform based on Linux system |
| CN105847088A (en) * | 2016-05-18 | 2016-08-10 | 浪潮电子信息产业股份有限公司 | Virtual machine performance test system based on cloud service |
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