CN109039828A - Communication network test macro based on lossless access acquisition - Google Patents
Communication network test macro based on lossless access acquisition Download PDFInfo
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- CN109039828A CN109039828A CN201811065461.1A CN201811065461A CN109039828A CN 109039828 A CN109039828 A CN 109039828A CN 201811065461 A CN201811065461 A CN 201811065461A CN 109039828 A CN109039828 A CN 109039828A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/04—Processing captured monitoring data, e.g. for logfile generation
- H04L43/045—Processing captured monitoring data, e.g. for logfile generation for graphical visualisation of monitoring data
Abstract
The invention discloses a kind of communication network test macros based on lossless access acquisition, including testing service device and data collection agent two parts, it is responsible for the running parameter issued according to testing service device in data collection agent part, the data of acquisition are reported to testing service device by the data transmitted from link layer acquisition network；Testing service device is used to copy the collected data in data collection agent part, integrate, conclude and analysis processing, provides analysis result to administrator.Its major function of the invention is that passive flux acquisition equipment is configured on the trunk node chain road of network, data on flows packet is captured under conditions of not influencing network communication, more fully note down the information of data packet, pass through the statistical analysis to data packet, the available important network performance index of network manager, network simulation simulated environment can obtain true and reliable emulation input information source.
Description
Technical field
The present invention relates to test verification technique fields, and in particular to a kind of communication network test based on lossless access acquisition
System.
Background technique
In communication network testing field, from test method, conventional network analysis and measurement method are broadly divided into master
Two major classes are analyzed in dynamic measurement analysis and passive measurement.Wherein, actively by filling excitation grouping to network under test, then measurement is
Observation excitation is grouped in the response in network under test to study the behavior of network.Since active measurement will increase network load, from
And the network performance under measured network performance and normal condition is caused to have certain deviation.And passive measurement analysis means are then
It is far from each other with analysis means are actively measured.It relies primarily on in a network selected node installation data collector to collect
The network service flow of node is flowed through, and the Business Stream being collected into is analyzed, extracts service feature to obtain performance data.By
Network behavior is passively mainly observed in some particular points in passive measurement, does not increase and modify the data minus by network
It carries, therefore there is no any influence for the behavior of network, measured data more can truly reflect the performance of network.Either
Actively measurement or passive measurement are to understand the necessary means for determining an overall performance of network, while the two can be mutual
Confirmation, to obtain more acurrate and detailed network performance parameter.
Domestic and international related data is consulted, is not yet found based on such
Network test system.
Summary of the invention
Goal of the invention: it in order to overcome the deficiencies in the prior art, provides a kind of using passive measurement analysis, Neng Goushi
When the two-way IP data and various non-IP data, the acquisition device of installation of acquisition sending and receiving can acquire the number of a plurality of types of interfaces
According to based on it is lossless access acquisition communication network test macro.
Technical solution: to achieve the above object, the present invention provides a kind of communication network test based on lossless access acquisition
System, including testing service device and data collection agent two parts, data collection agent can also be called " test agent ".
The data collection agent is responsible for the running parameter issued according to testing service device, passes from link layer acquisition network
The data of acquisition are reported to control and the analysis center of testing service device by defeated data；
The testing service device is responsible for the Working Status Monitoring of data collection agent, reports to data collection agent acquisition
Data are recorded and are statisticallyd analyze, for the collected data in data collection agent part to be copied, are integrated, are concluded and
Analysis processing provides analysis result to administrator；
The data collection agent is a data acquisition device, and the data acquisition device is a plurality of types of for acquiring
The data of interface, and collected data are reported to testing service device.
Network test system is made of testing service device and two class equipment of data collection agent, and each functions of the equipments are as follows:
(1) testing service device.Testing service device is the core of network test system, it is by respectively testing on network
The test result data that agency is collected into is copied, integrated, concluded and analysis processing, provides divide to administrator to graphically
Analyse result.Test agent mainly collects initial data, and then complete by testing service device to the online and offline analysis of initial data
At.
(2) data collection agent.Data collection agent is the passive data acquisition device of a reinforcing, it is network test
The core member of system Passive Test part, data collection agent are generally configured at main line access or chain of concern road, lead to
Cross the information such as the service distribution for passively grabbing data awareness network.Data collection agent main line network flow information obtained
And truthful data is the most reliable data source of Simulation & evaluation system, while being also the sharp weapon of discovery network problem.For acquisition
All data, data collection agent are first pre-processed, and data that treated can be led by network (on-line analysis) or manually
(off-line analysis) gives testing service device out, further analyzes for server.
Means of testing uses lossless access acquisition technique in the present invention, acquires two-way IP data of sending and receiving and various in real time
Non- IP data, do not influence the normal work of system under test (SUT).
When being acquired on wide area network link, using concatenation type mode, i.e., in collected communication link device and network control
Vehicle carried data collecting device is concatenated on the connecting cable of control equipment, acquisition device wants that the data of a plurality of types of interfaces can be acquired,
Including K interface, RS232 interface, E1 interface etc..
When acquiring Ethernet data, local ethernet is added in acquisition device, is received and is recorded all data on Ethernet.
Network test system of the invention supports two kinds of analytical models of on-line analysis and off-line analysis.It tests or surveys indoors
Test ring border allows to establish communication network between the test equipment independently of network under test, and network test system can work in on-line analysis mould
Under formula.Testing service device is connected directly by duties Ethernet and each data collection agent at this time, each data collection agent one
The data of acquisition are sent to testing service device by aspect in real time, on the other hand can obtain the clock information of testing service device in real time,
Keep it is synchronous with testing service device clock, can also real-time reception simultaneously response test server control instruction.The collected number of institute
The work such as processing, storage, generation test result are further analyzed according to by testing service device.
When that can not establish dedicated duties Ethernet between each communication node, data collection and transmission can only be run at this time
Under off-line analysis mode.Data collection agent temporarily stores data using local storage at this time, by information with text
Part mode is stored in the storaging medium of data collection agent, acquires number by vehicle after the completion of entire experiment, then by tester
According to tester will carry testing service device and connect data collection agent by Ethernet one by one at this time, then be acquired by data
Agency exports data under the control of testing service device, carries out off-line analysis processing.
Present invention employs data multi-layer analytical technologies, in physical/link, network layer, transport layer and can answer respectively
The interaction data in system (node) between system (node) is carried out distribution collection and concentrated to analyze with layer, specific steps
Are as follows:
1) data for reporting each point carry out data filtering and classification according to rule, carry out communication level analysis, it is possible to provide
The statistical informations such as data transmission delay, shake, packet loss end to end track data transfer path；
2) follow the agreement of integrated maneuvering platform general transmission service, parsing using long data message, short data message,
The business datum of Streaming Media and real-time information transmission service transmission.The standards such as JCB006, DAB15, DAB16, QDB12 can be analyzed
Main message；
3) to the message that can not be analyzed of undisclosed standard, it can be reserved for message content and be provided to corresponding system progress
Analysis uses.
Its major function of the invention is that passive flux acquisition equipment is configured on the trunk node chain road of network, is not being influenced
Data on flows packet is captured under conditions of network communication, more fully notes down the information of data packet.Pass through the statistical to data packet
Analysis, the available important network performance index of network manager, network simulation simulated environment can obtain true and reliable imitate
True input information source.By the deep excavation to network flow data, it can further grasp network service feature and failure is former
Cause instructs advanced optimizing and upgrading for network.
The utility model has the advantages that compared with prior art, the present invention having following advantage:
1, using the lossless access acquisition technique of passive type acquisition mode, it will not influence the normal work of system under test (SUT), and
And the two-way IP data of sending and receiving and various non-IP data can be acquired in real time；
2, the acquisition device installed can acquire the data of a plurality of types of interfaces, including K interface, RS232 interface, E1 connect
Mouth, Ethernet interface etc..The data of acquisition can be first stored in local, then be transmitted to data analysis system and analyzed；It can also be real
When data analysis system reached by Ethernet (cable/wireless bridge)；
3, network test system is cooperated by testing service device and test agent, can be completed various types business and be existed
Transmission quality and the applied in network performance test work that each section of network, test result can be mentioned in patterned, clear understandable mode
For.
Detailed description of the invention
Fig. 1 is the distribution schematic diagram of each equipment of network test system in a network；
Fig. 2 is network test system on-line analysis application example；
Fig. 3 is network test system off-line analysis application example.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated.
As shown in Figure 1, net control device passes through K interface, RS232 interface, E1 interface, Ethernet respectively and connects in the present invention
Mouth is connected with data collection agent, and three-layer network interchanger is connected by Ethernet interface 2 with data collection agent, data acquisition
Agency is set with radio equipment 1, channel by K interface 1, E1 interface, K interface 2, Ethernet interface 1, Ethernet interface 3 respectively again
Standby 2, radio equipment 3, radio equipment 4 are connected with radio equipment 5, and 1~radio equipment of radio equipment 4 respectively connected radio frequency analog
The network equipment, four radio frequency analog network equipments are all connected with testing service device, and data collection agent is also connected to testing service
Device.
It connects according to the above structure, makes following two example schemes, specific as follows:
Embodiment 1:
As shown in Fig. 2, the present embodiment is to test or test indoors environment to allow to establish test independently of network under test
Communication between devices net (it is known as duties network in this programme, is realized if it is using Ethernet, then referred to as duties Ethernet, after
Text unless otherwise specified, refers generally to duties Ethernet) when, system can work under on-line analysis mode, at this point, testing service device
It is connected directly by duties Ethernet and each data collection agent (test agent), each data collection agent on the one hand can be by it
Data collected are sent to testing service device in real time, on the other hand can obtain the clock information of testing service device in real time, keep
It is synchronous with testing service device clock, can also real-time reception and response test server control instruction.The collected data of institute by
Testing service device is further analyzed work, the test results such as processing, storage, generation test result can be in testing service device
Analysis shows that being presented on interface.
Embodiment 2:
As shown in figure 3, the present embodiment is can not to establish dedicated duties Ethernet between each communication node, network at this time
Test macro can only operate under off-line analysis mode, at this point, test agent temporarily stores collected data, deposit
The mode of storage and transmission data is by two kinds:
Mode one: information is stored in the storaging medium of test agent with file mode, after the completion of entire experiment, then
Data are acquired by vehicle by tester, tester will carry testing service device and connect data acquisition by Ethernet one by one at this time
Agency, is then exported data under the control of testing service device by data collection agent.
Mode two: data collection agent is accessed on this vehicle Ethernet, increases storage generation in active computer in the car
Reason, data collection agent are sent data to storage agent, are stored data with file mode by storage agent.It is acquired in data
After agency completes data collection effort, testing service device be directly connected to by Ethernet interface and test agent or with its same vehicle
Storage agent module connection, extract this test storage test result data.
In embodiment 1 and embodiment 2, after testing service device gets the data of data collection agent acquisition, using data
Multi-layer analytical technology (is saved in system (node) with system in physical/link, network layer, transport layer and application layer respectively
Point) between interaction data carry out distribution collection and concentrate analysis, the specific steps are that:
1) data for reporting each point carry out data filtering and classification according to rule, carry out communication level analysis, it is possible to provide
The statistical informations such as data transmission delay, shake, packet loss end to end track data transfer path；
2) follow the agreement of integrated maneuvering platform general transmission service, parsing using long data message, short data message,
The business datum of Streaming Media and real-time information transmission service transmission.The standards such as JCB006, DAB15, DAB16, QDB12 can be analyzed
Main message；
3) to the message that can not be analyzed of undisclosed standard, it can be reserved for message content and be provided to corresponding system progress
Analysis uses.
Claims (6)
1. the communication network test macro based on lossless access acquisition, it is characterised in that: acquired including testing service device and data
Act on behalf of two parts.
The data collection agent is responsible for the running parameter issued according to testing service device, transmits from link layer acquisition network
The data of acquisition are reported to testing service device by data；
The testing service device is for being copied the collected data in data collection agent part, being integrated, being concluded and being analyzed
Processing provides analysis result to administrator；
The data collection agent is a data acquisition device, and the data acquisition device is for acquiring a plurality of types of interfaces
Data, and collected data are reported to testing service device.
2. the communication network test macro according to claim 1 based on lossless access acquisition, it is characterised in that: the number
Interface type according to acquisition device data collected includes K interface, RS232 interface, E1 interface and Ethernet interface.
3. the communication network test macro according to claim 1 based on lossless access acquisition, it is characterised in that: the survey
Examination server is divided into on-line analysis and off-line analysis both of which for acquiring the analysis of data.
The on-line analysis mode passes through duties Ethernet and each data by establishing dedicated duties Ethernet, testing service device
Collection agent is connected directly, on the one hand the data of acquisition are sent to testing service device by data collection agent in real time, on the other hand
It can obtain the clock information of testing service device in real time, keep synchronous with testing service device clock, also real-time reception and survey can be responded
The control instruction of server is tried, testing service device carries out online analysis and processing to the data received；
The off-line analysis mode is used in the case where that can not establish dedicated duties Ethernet, in such a mode, each
Data collection agent temporarily stores data using local storage, and information is stored in data acquisition generation with file mode
In the storaging medium of reason, data are acquired by vehicle after the completion of entire experiment, then by tester, tester will carry test clothes
Device be engaged in one by one by Ethernet connection data collection agent, then will be counted under the control of testing service device by data collection agent
Off-line analysis processing is carried out according to export.
4. the communication network test macro according to claim 1 or 2 based on lossless access acquisition, it is characterised in that: institute
Data acquisition device is stated to be serially connected on the connecting cable of collected equipment.
5. the communication network test macro according to claim 1 based on lossless access acquisition, it is characterised in that: the survey
It tries server and data multi-layer analytical technology is used for the analysis means of the data received, respectively in physical/link, net
Network layers, transport layer and application layer carry out distribution collection and concentrate to divide to the interaction data in system (node) between system (node)
Analysis.
6. the data analysing method of the communication network test macro according to claim 5 based on lossless access acquisition,
It is characterized in that: including the following steps:
1) data for reporting each point carry out data filtering and classification according to rule, carry out communication level analysis, it is possible to provide end is arrived
The data statistics at end track data transfer path；
2) agreement of integrated maneuvering platform general transmission service is followed, parsing uses long data message, short data message, stream matchmaker
The business datum of body and real-time information transmission service transmission, the main message of analytical standard；
3) to the message that can not be analyzed of undisclosed standard, it can be reserved for message content and be provided to corresponding system and analyzed
It uses.
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| CN201811065461.1A CN109039828A (en) | 2018-09-13 | 2018-09-13 | Communication network test macro based on lossless access acquisition |
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| CN201811065461.1A CN109039828A (en) | 2018-09-13 | 2018-09-13 | Communication network test macro based on lossless access acquisition |
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Cited By (1)
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| CN114301728A (en) * | 2021-12-24 | 2022-04-08 | 上海仁童电子科技有限公司 | Train network performance testing method and device |
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Application publication date: 20181218 |