CN101521607B - Method and device for testing Ethernet network performance - Google Patents
Method and device for testing Ethernet network performance Download PDFInfo
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- CN101521607B CN101521607B CN2009101035897A CN200910103589A CN101521607B CN 101521607 B CN101521607 B CN 101521607B CN 2009101035897 A CN2009101035897 A CN 2009101035897A CN 200910103589 A CN200910103589 A CN 200910103589A CN 101521607 B CN101521607 B CN 101521607B
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Abstract
The invention relates to a method and a device for testing the Ethernet network performance. In order to overcome the defects that the network performance can not be tested by actively transmitting teThe invention relates to a method and a device for testing the Ethernet network performance. In order to overcome the defects that the network performance can not be tested by actively transmitting testing data flux, special performance indexes of some networks can not be tested, and the like in the network performance testing method in the prior art, the invention provides a method and a device wsting data flux, special performance indexes of some networks can not be tested, and the like in the network performance testing method in the prior art, the invention provides a method and a device which can test the Ethernet network performance by transmitting and receiving the testing data flux. The method and the device for testing the Ethernet network performance overcome the shortage of a pahich can test the Ethernet network performance by transmitting and receiving the testing data flux. The method and the device for testing the Ethernet network performance overcome the shortage of a passive testing method, effectively obtain Ethernet network performance indexes, and achieve good universality and expandability because connection among FPGA technique and peripheral devices uses a unissive testing method, effectively obtain Ethernet network performance indexes, and achieve good universality and expandability because connection among FPGA technique and peripheral devices uses a universal MAC chip and an ARM interface.versal MAC chip and an ARM interface.
Description
Technical field
The present invention relates to the method for testing and the device of communication network network performance, specially refer to the method for testing and the device of Ethernet network performance.
Background technology
Ethernet is a kind of LAN networking technology, is the most general local area network technology of current use.And gigabit Ethernet is the network technology that is based upon on the ethernet standard basis; Gigabit Ethernet is compatible fully with a large amount of Ethernets that use and Fast Ethernet; And utilized whole technical specifications of former ethernet standard defined, brought the effective solution that improves the core network performance to the user.
Ethernet is made up of many different InterWorking Equipments usually, and the performance of InterWorking Equipment is determining the performance of network, for example: the throughput of network, bandwidth and propagation delay time etc.The quality of InterWorking Equipment performance directly influences network size, network stabilization and network scalability of Ethernet or the like.Usually, in engineering design or operational management process, need test, need obtain the network performance of gigabit Ethernet, particularly Internet protocol (being designated hereinafter simply as IP) bearer network effectively network performance.So-called IP bearer network is meant the private network of each operator with the IP technique construction, is used to carry the business higher to transmission quality requirements, as: soft switch, video signal, key customer's VPN (being designated hereinafter simply as VPN) etc.At present, the common employing of the most prior art network testing instruments overall operation situation of catching network error information or monitoring network is for a long time estimated the performance of network.Strictly speaking, prior art network performance tester device more similarly is a network monitor equipment, relies on the existing data analysis network performance of collection network.Because this method adopts the overall operation situation of catching network error information or monitoring network for a long time to estimate network performance, therefore, it is referred to as the Passive Test method.The Passive Test method can not be tested network performance through initiatively sending the test data flow, can only test the universal performance of some networks, as: statistics network agreement, extracting data flow, resolution data stream or the like.And for the particular characteristic index of some network; Like the distinctive performance index of network equipment router (as: routing list capacity, routing protocol convergence time etc.); And for example need obtain the performance index (as: real-time network link bandwidth, network transfer delay etc.) of network in real time, prior art Passive Test method then seems at a loss what to do.
On the other hand; Appearance in conjunction with the programmable gate array of programming device advantages such as programmable logic array PAL, GAL GAL and electrically programmable logical device EPLD technology FPGA (being designated hereinafter simply as the FPGA technology); Promptly solved the deficiency of custom circuit; Overcome a limited number of shortcomings of original programming device gate circuit again, can also accomplish the function of any digital device.Utilize the FPGA technology; Can be through traditional schematic diagram input method; Or hardware description language such as VHSIC hardware description language VHDL freely designs a digital system, has promoted the progress of electric design automation eda software and hardware description language HDL greatly.
Summary of the invention
For solving can not testing network performance of prior art network performance method of testing existence through initiatively sending the test data flow; Can not test defectives such as some network particular characteristic index, the present invention propose a kind of can be through the method for sending and the acceptance test data traffic is tested Ethernet network performance.And, a kind of testing apparatus that adopts the Ethernet network performance of method of testing of the present invention based on the FPGA technology has also been proposed.
Ethernet network performance method of testing of the present invention adopts main tester to send and the acceptance test data traffic to network to be measured; Receive and reply or transmit the test data flow that main tester sends through network to be measured from tester; Main tester is resolved the test data flow, obtains the performance index of network to be measured.Because Ethernet network performance method of testing of the present invention can initiatively be sent and the acceptance test data traffic, and with this network performance is tested, therefore, it is referred to as initiatively method of testing.
Ethernet network performance method of testing of the present invention adopts main tester to send and the acceptance test data traffic to network to be measured, comprising:
(1) main tester sends the ARP frame to the IP address of network inquiry to be measured from tester;
(2) the every interval of main tester certain hour is to sending a test instruction from tester, and request is from the current test command of tester response;
(3) network performance index tested as required of main tester makes up and to sending the test data flow from tester;
(4) main tester receives the response message of replying from tester;
(5) main tester receives the test data flow of transmitting from tester.
Further, the network performance index that main tester is tested as required makes up and to sending the test data flow from tester, comprising:
(1) sets relevant parameter according to the test needs, comprising: purpose IP address, generation rate, frame length, analog subscriber quantity, duration, send mode (constant/slope/burst);
(2) aforementioned data is packaged into the Frame that network to be measured is suitable for, and marks in the corresponding position of test data flow, for example: need the test network propagation delay time, then timestamp etc. on test data flow ad-hoc location stamp according to test needs;
(3) send to from tester through the Frame of network to be measured encapsulation.
Ethernet network performance method of testing of the present invention receives and replys or transmit the test data flow of main tester transmission from tester through network to be measured, comprising:
(1) receive the test instruction that main tester sends after, send response message to main tester;
(2) receive the test data flow that main tester sends after, be transmitted to main tester.
Ethernet network performance method of testing master tester of the present invention is resolved the test data flow and is obtained the performance index of network to be measured, comprising:
(1) receives through transmitting next test data flow from tester and it being resolved; Can change test parameter if necessary; As: increase or reduce test data flow transmission rate, frame length, analog subscriber quantity; Or change send mode etc., make up once more and to sending the test data flow from tester;
(2) obtain the performance index of network to be measured according to analysis result;
(3) statistical test result is transferred to the upper layer application layer and shows.
The step of Ethernet network performance method of testing of the present invention comprises:
(1) main tester sends the ARP frame to the IP address of network inquiry to be measured from tester;
(2) the every interval of main tester certain hour is to sending a test instruction from tester, and request is from the current test command of tester response;
(3) receive the test instruction of main tester transmission and send response message from tester to main tester;
(4) main tester receives the response message of replying from tester, and the network performance index of test as required makes up and to sending the test data flow from tester;
(5) receive the test data flow that main tester sends from tester after, be transmitted to main tester;
(6) main tester receives through the test data flow that transmits from tester and to it and resolves, and obtains the real-time performance index of network to be measured according to analysis result.
Ethernet network performance testing apparatus of the present invention comprises: main tester and from tester; Wherein, main tester and include: control auxiliary circuit and the technological FPGA module of programmable gate array from tester.
The control auxiliary circuit of Ethernet network performance testing apparatus master tester of the present invention; Comprise: be used to receive 16/32 Reduced Instruction Set Computer microprocessor chip ARM of the various parameters of upper layer software (applications) configuration, realize message pick-up and the MAC chip and the interactive touch display screen of realization of transmission of the support grouped data of network data transmitting-receiving.
The FPGA functional module of Ethernet network performance testing apparatus master tester of the present invention comprises: message pick-up and sending module, test data flow generation module and test data flow analysis module, wherein:
The major function of message pick-up and sending module comprises: receiving network data, send the test traffic data to network;
The major function of test data flow generation module comprises: carry out network performance benchmark test, the network performance index of test and network performance benchmark results produce the test traffic data as required;
Test data flow analysis module functions comprises: carry out disassembling and analyzing of Frame, various information are added up, test result is transmitted to the upper strata application layer.
Ethernet network performance testing apparatus of the present invention comprises from the FPGA functional module of tester: message pick-up and sending module, and test data flow forwarding module, wherein:
The major function of message pick-up and sending module comprises: receiving network data, send the test traffic data to network;
The major function of test data flow forwarding module comprises: the data traffic that the filtering information receiver module receives; The source of the test data flow that the main tester that replacing receives sends, the FDDI sublayer protocol MAC Address and the IP address of purpose, and be transmitted to main tester to the test data flow.
The useful technique effect of the method for testing of Ethernet network performance of the present invention and device is the deficiency that can overcome the Passive Test method; Obtain Ethernet (particularly IP bearer network) network performance index effectively; And; FPGA technology with adopted common MAC chip and ARM interface being connected of peripheral components, possess good versatility and extensibility.
Description of drawings
Accompanying drawing 1 is the test environment sketch map of Ethernet network performance method of testing of the present invention;
Accompanying drawing 2 is Ethernet network performance method of testing testing process sketch mapes of the present invention;
Accompanying drawing 3 is structural representations of Ethernet network performance testing apparatus master tester of the present invention;
Accompanying drawing 4 is Ethernet network performance testing apparatus of the present invention structural representations from tester;
Below in conjunction with accompanying drawing and specific embodiment Ethernet network performance method of testing of the present invention and device are further described
Embodiment
Accompanying drawing 1 is the test environment sketch map of Ethernet network performance method of testing of the present invention.Can know that by figure Ethernet network performance method of testing of the present invention adopts main tester to send and the acceptance test data traffic to network to be measured; Receive and reply or transmit the test data flow that main tester sends through network to be measured from tester; Main tester is resolved the test data flow, obtains the real-time performance index of network to be measured.Because Ethernet network performance method of testing of the present invention can initiatively be sent and the acceptance test data traffic, and with this network performance is tested, therefore, it is referred to as initiatively method of testing.
Obviously; The useful technique effect of the method for testing of Ethernet network performance of the present invention and device is the deficiency that can overcome the Passive Test method; Obtain Ethernet (particularly IP bearer network) network performance index effectively; And, FPGA technology with adopted common MAC chip and ARM interface being connected of peripheral components, possess good versatility and extensibility.
Specific embodiment 1
Accompanying drawing 2 is Ethernet network performance method of testing testing process sketch mapes of the present invention.Below in conjunction with accompanying drawing 2 so that the test case of the network transfer delay flow process to Ethernet network performance method of testing of the present invention is further described.
(1) main tester sends the ARP frame to the IP address of network inquiry to be measured from tester;
(2) main tester receives the IP address from tester, and the every interval of main tester certain hour is to sending a test instruction from tester, and request is from the current test command of tester response;
(3) receive the test instruction of main tester transmission and send response message from tester to main tester;
(4) main tester receives the response message of replying from tester, if unknown current link throughput then adopts dichotomy to measure the throughput of current link;
(5) in the throughput scope, select suitable transmission rate, and parameters such as discharge pattern, iterations, frame length, purpose IP address are passed to the test data flow generation module of main tester;
(6) the test data flow generation module of main tester is according to the parameter of configuration; Generation is suitable for the test data flow of network configuration; And pass through the clock that phase-locked loop (being called for short PLL) produces a reference, stab this reference clock on the ad-hoc location of test traffic then;
(7) transmission of the information of main tester and receiver module send to network to be measured according to transmission rate, the iterations set with the test data flow;
(8) receive the test data flow that main tester sends from tester with timestamp after, be transmitted to main tester after handling;
(9) main tester receives through the test data flow that transmits from tester and to it and resolves, and obtains network of network propagation delay time to be measured according to analysis result;
(10) main tester is passed to the upper layer application layer with the network transfer delay that records and is shown.
Specific embodiment 2
Accompanying drawing 3 is structural representations of Ethernet network performance testing apparatus master tester of the present invention.Can know that by figure the main tester of Ethernet network performance testing apparatus of the present invention comprises: control auxiliary circuit and programmable gate array technology FPGA module.Wherein, the control auxiliary circuit mainly by 16/32 Reduced Instruction Set Computer microprocessor chip ARM of the various parameters that are used to receive the upper layer software (applications) configuration, realize that message pick-up and MAC chip, network interface, touch display screen and the power supply etc. that information is sent of the support grouped data of network data transmitting-receiving form.The FPGA module then comprises message pick-up and sending module, test data flow generation module and test data flow analysis module, wherein:
The major function of message pick-up and sending module comprises: receiving network data, send the test traffic data to network;
The major function of test data flow generation module comprises: carry out the network performance index of the functional test module of network performance benchmark test and test as required and the test traffic generation module that the network performance benchmark results produces the test traffic data;
Test data flow analysis module functions comprises: carry out the Information Statistics module of disassembling analysis module and various information being added up of disassembling and analyzing of Frame, test result is transmitted to the upper strata application layer.
Obviously, for realizing human-computer dialogue and, corresponding application software and operating system also should being arranged, to realize the operation of Ethernet network performance test of the present invention to the transfer of data and processing etc.
Practical implementation row 3
Accompanying drawing 4 is Ethernet network performance testing apparatus of the present invention structural representations from tester.Can know that by figure Ethernet network performance testing apparatus of the present invention comprises from tester: control auxiliary circuit and programmable gate array technology FPGA module.Wherein, the control auxiliary circuit comprises the message pick-up of the support grouped data that realizes the network data transmitting-receiving and MAC chip, network interface and the power supply etc. that information is sent; The FPGA module comprises message pick-up and sending module, test data flow forwarding module, wherein:
The major function of message pick-up and sending module comprises: receiving network data, send the test traffic data to network;
The major function of test data flow forwarding module comprises: the data traffic that the filtering information receiver module receives; The source of the test data flow that the main tester that replacing receives sends, the FDDI sublayer protocol MAC Address and the IP address of purpose, and a test test data flow is transmitted to main tester.
Ethernet network performance testing apparatus of the present invention do not need human-computer dialogue from tester, therefore, do not need application software and operating system etc.
Claims (5)
1. Ethernet network performance method of testing; Receive and reply or transmit the test data flow that main tester sends through network to be measured from tester; Main tester is resolved the test data flow; Obtain the performance index of network to be measured, it is characterized in that: main tester sends and the acceptance test data traffic to network to be measured, comprising:
(1) main tester sends the ARP frame to the IP address of network inquiry to be measured from tester;
(2) the every interval of main tester certain hour is to sending a test instruction from tester, and request is from the current test command of tester response;
(3) network performance index tested as required of main tester makes up and to sending the test data flow from tester;
(4) main tester receives the response message of replying from tester;
(5) main tester receives the test data flow of transmitting from tester.
2. according to the said Ethernet network performance method of testing of claim 1, it is characterized in that: the network performance index that main tester is tested as required makes up and to sending the test data flow from tester, comprising:
(1) set relevant parameter according to the test needs, comprising: purpose IP address, generation rate, frame length, analog subscriber quantity, duration, send mode are constant/slope/burst;
(2) aforementioned data is packaged into the Frame that network to be measured is suitable for, and marks in the corresponding position of test data flow according to the test needs;
(3) send to from tester through the Frame of network to be measured encapsulation.
3. according to the said Ethernet network performance method of testing of claim 1, it is characterized in that: testing procedure comprises:
(1) main tester sends the ARP frame to the IP address of network inquiry to be measured from tester;
(2) the every interval of main tester certain hour is to sending a test instruction from tester, and request is from the current test command of tester response;
(3) receive the test instruction of main tester transmission and send response message from tester to main tester;
(4) main tester receives the response message of replying from tester, and the network performance index of test as required makes up and to sending the test data flow from tester;
(5) receive the test data flow that main tester sends from tester after, be transmitted to main tester;
(6) main tester receives through the test data flow that transmits from tester and to it and resolves, and obtains the real-time performance index of network to be measured according to analysis result.
4. Ethernet network performance testing apparatus is characterized in that: this testing apparatus comprises main tester and from tester, and, main tester and include control auxiliary circuit and the technological FPGA module of programmable gate array from tester;
The FPGA functional module of main tester comprises: message pick-up and sending module, test data flow generation module and test data flow analysis module, wherein:
The major function of message pick-up and sending module comprises: receiving network data, send the test traffic data to network;
The major function of test data flow generation module comprises: carry out network performance benchmark test, the network performance index of test and network performance benchmark results produce the test traffic data as required;
Test data flow analysis module functions comprises: carry out disassembling and analyzing of Frame, various information are added up, test result is transmitted to the upper strata application layer;
FPGA functional module from tester comprises: message pick-up and sending module, and test data flow forwarding module, wherein:
The major function of message pick-up and sending module comprises: receiving network data, send the test traffic data to network;
The major function of test data flow forwarding module comprises: the data traffic that the filtering information receiver module receives; The source of the test data flow that the main tester that replacing receives sends, the FDDI sublayer protocol MAC Address and the IP address of purpose, and be transmitted to main tester to the test data flow.
5. according to the said Ethernet network performance testing apparatus of claim 4; It is characterized in that: the control auxiliary circuit of main tester; Comprise: be used to receive 16/32 Reduced Instruction Set Computer microprocessor chip ARM of the various parameters of upper layer software (applications) configuration, realize message pick-up and the MAC chip and the interactive touch display screen of realization of transmission of the support grouped data of network data transmitting-receiving.
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| CN2009101035897A CN101521607B (en) | 2009-04-13 | 2009-04-13 | Method and device for testing Ethernet network performance |
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| CN2009101035897A CN101521607B (en) | 2009-04-13 | 2009-04-13 | Method and device for testing Ethernet network performance |
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Address after: 401220 No. 6 Xinmin Road, Xinshi Street, Changshou District, Chongqing Patentee after: Chongqing Zhongyou Huice Communication Technology Co., Ltd. Address before: 401121 Chongqing North New District high new garden mercury science and technology mansion South Wing Factory Building 6 Building 1. Patentee before: Chongqing Zhongyou Huice Communication Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20210413 |