CN103078767A - Method and device for testing throughput of WAN (Wide Area Network) at single port and at full wire speed - Google Patents
Method and device for testing throughput of WAN (Wide Area Network) at single port and at full wire speed Download PDFInfo
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Abstract
The invention provides a method and a device for testing the throughput of a WAN (Wide Area Network) at a single port and at a full wire speed. The method comprises the following steps of: A, judging whether far-end intelligent equipment is in the same subnet, if so, starting the far-end intelligent equipment to enter an intelligent testing state; otherwise, transmitting an ARP (Address Resolution Protocol) address inquiry frame to determine a gateway address, transmitting a via-network testing starting frame, and starting the far-end intelligent equipment to enter the intelligent testing state; B, transmitting an access verification testing frame to verify network access; C, setting control parameters to test the uplink and downlink throughputs of the WAN respectively; and D, counting received data frames and own data frames by using far-end intelligent loopback equipment, and transmitting back to main control equipment. Due to the adoption of the scheme, testing personnel are not required to set at the two ends respectively, and is only required to set at one end of the main control equipment, so that test data can be summarized in time.
Description
Technical field
The present invention relates to a kind of method of testing the WAN network throughput, in particular a kind of method and device of single port full line speed test WAN network throughput.
Background technology
Along with Internet day by day popularize and fast-developing, the subnet user accesses the traffic carrying capacity of Internet in continuous increase, network need to provide as WWW browse, the network service such as ftp file transmission, DNS name resolution, Email, these factors can cause the rapid increase of network traffics.If the throughput of the network platform is too little, will become network bottleneck, bring negative effect for the efficiency of transmission of whole network.Therefore, when the network platform was carried out performance test, investigating throughput was a very important technical indicator, helped to estimate better its performance performance.
Throughput (Throughput) is the important parameter of the bag transfer capability of network apparatus test, is often referred to the peak transfer rate of equipment under packet loss condition not.The method of test throughput mainly is divided into two classes: a class is based on the test of software, and the another kind of method that is based on hardware is tested.Mostly is to adopt hardware approach to carry out the test of throughput.
Data in the network are comprised of packet one by one, and equipment is wanted consumes resources and time to the processing of each packet usually.The hardware approach test throughput adopts dichotomy usually: the mode of successively decreasing with full line speed in test sends the testing throughput frame, and the test frame that receives of statistics Devices to test, if the frame that sends equates with the number of frames of reception, the method raising of 2 point-scores that so just transmission rate reduced by half also retests; If received frame is less than the transmission frame number, sending so frame then adopts the method reduction transmission rate of 2 point-scores that reduce by half to retest, until use dichotomy to measure to send the data frame number maximum when equaling the receive data frame number to send the speed of packet, be network throughput.
Hardware approach test network throughput mainly contains dual mode: the method for testing of the method for testing of single port two-shipper and unit dual-port.Same subnet is carried out testing throughput, can adopt single-ended two-shipper and unit dual-port to test.
The method of testing that adopts single port be one as main control computer, one as the far-end slave.Test frame adopts the IP packet as test frame usually, because in subnet build-in test throughput, therefore purpose IP address and the target MAC (Media Access Control) address of test frame can not be replaced, and the slave at far-end can directly exchange the descending test frame of formation with target MAC (Media Access Control) address and purpose IP address with source MAC Address and source IP address.
Adopt the method for unit dual-port test throughput then only to need to carry out with a tester, send uplink frame at dual-port respectively, uplink and downlink throughput that namely can the test network node.
The WAN testing throughput since test node usually not in same zone, the dual-port tester also can't be simulated at the three unities the network node of 2 different sub-networks.Therefore need operating personnel to carry out test operation at the network node two ends of diverse geographic location, thereby strengthened the cost of test and the complexity of operation, that can not well realize simultaneously testing carries out synchronously.
Existing single port LAN testing throughput instrument is because test frame, to carry out purpose and source address replacement with the IP address, the test local area network (LAN) does not have problems, because the IP address is unique in the subnet, but after crossing over subnet, because being routed device IP address, purpose IP address replaces, when doing loopback, the loopback test frame can't obtain correct tester address, source by switching purpose and source IP address, causes loopback frame can't arrive the problem of source tester.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is for the deficiencies in the prior art, and a kind of method of single port full line speed test WAN network throughput is provided.
Technical scheme of the present invention is as follows:
A kind of method of single port full line speed test WAN network throughput wherein, may further comprise the steps:
A: judge that the far-end smart machine whether in same subnet, is then to start the far-end smart machine to enter the intelligence test state; Otherwise after transmission ARP address lookup frame is determined gateway address, send net test starting frame, start the far-end smart machine and enter the intelligence test state;
B: transmission path validation test frame, carry out the network path checking;
C: the control parameter is set, carries out respectively WAN network uplink and downlink testing throughput;
D: the Frame that statistics receives and the Frame of itself, passback main control device.
The method of described test WAN network throughput wherein, before described execution in step A, is gone back execution in step A0: the IP address of source IP address and destination is set, test frame length and test period are set.
The method of described test WAN network throughput, wherein, test frame among the described step B comprises test control frame and universal test frame; Described test control frame comprises that test starting frame, test stop frame and parameter request frame; Described universal test frame is the actual Frame that transmits on the network.
The method of described test WAN network throughput wherein, arranges the control parameter for frame period is set among the described step C, and the frame occurring mode is set for happening suddenly or the continuous mode of one of them.
The method of described test WAN network throughput, wherein, described uplink throughput test may further comprise the steps:
C1: send the testing throughput frame according to default test parameter and default link parameter;
C2: a test period finishes, and sends test and stops frame, and the far-end smart machine withdraws from throughput data frame test mode;
C3: send up test parameter claim frame, request far-end smart machine returns up statistics;
C4: resolve far-end smart machine passback data, the calculated data frame has or not to be lost, and if any losing, then returns step C1, the reduction of speed test; Lose such as countless certificates, then whether compare with stepping linear speed difference at preset range; If with stepping linear speed difference in preset range, then increase test linear speed occur, until countless according to LOF the time with stepping linear speed equivalence.
The method of described test WAN network throughput wherein, behind the described execution in step C4, is also carried out the downlink throughput capacity test, may further comprise the steps:
C5: add up descending test frame quantity;
C6: a test period finishes, and sends descending test parameter claim frame, and request far-end smart machine returns descending transmission number of data frames.
C7: resolve far-end smart machine passback data, the calculated data frame has or not to be lost, and if any losing, then sends the test control frame, the test of request reduction of speed, and return step C5; Lose such as countless certificates, then relatively with the stepping linear speed whether at preset range, if so, then send the test control frame, request increases test linear speed occurs, and returns step C5, until countless according to LOF, simultaneously and the stepping linear speed equivalent.
The method of described test WAN network throughput, wherein, described preset range is the 0-50 metre per second (m/s).
The method of described test WAN network throughput, wherein, also carry out following steps after the described steps A:
A1: Recognition test starts frame, and when capturing the test starting frame, the far-end smart machine enters the intelligence test state, and the label time label, starts the test period timing;
A2: resolve far-end router IP address in the test starting frame and udp port number;
A3: smart machine is take the router outer net IP address of main control device as target ip address, and udp port number is the destination slogan, forms test frame, and frame format is the UDP message frame.
The method of described test WAN network throughput, wherein, described test parameter be at least following parameter one of them: test rate, testing time, frame length; Described default link parameter be at least following parameter one of them: the IP address of this locality and far-end IP address, this locality and far-end router.
A kind of single port full line speed test WAN network throughput device wherein, comprises main control computer module and remote intelligent module; Described main control computer module comprises: control frame generation module, and full line speed universal test frame generation module receives the test frame statistical module;
The operating state of described control frame generation module controls far-end smart machine, the descending test that starts far-end smart machine throughput, request far-end smart machine passback statistics;
Full line speed universal test frame generation module is according to the test needs, generate the test data of heterogeneous networks linear speed, frame head and data frame content in the Frame are set, method according to by half search is carried out the test of network data throughput, according to the time parameter of setting, the burst number of times reads the universal test frame, and will send after frame data label time information, the Frame sequence number;
Receive the test frame statistical module receives loopback frame by the Recognition test flag of frame number statistics, carry out frame number relatively with generation test frame within this time period, realize the judgement to current testing throughput;
Remote intelligent module is used for resolving the test data in the test frame, and identification testing throughput frame is added up the uplink throughput test frame, and statistics is passed back to the main control computer module.
Adopt such scheme, the present invention has not only solved the problem that prior art exists, and obviously has following advantage:
1, do not need the tester to arrange at two ends respectively, only need to arrange at main control device one end, can gather timely test data simultaneously.
2, enter in the user data by IP address and udp port number packing with source, intelligence loopback end can be resolved from data and be removed original IP address and udp port number, so formation loopback test frame that can be correct can generate the test frame of full line speed, satisfies the demand of test.
3, can realize to the WAN throughput test of linear speed, simultaneously owing to adopting the single port test operation, only need to carry out test setting in host side, smart remote only needs a key operation, is set to far-end testing throughput working method, need to not carry out other setting operations at far-end, thereby alleviated the workload of test, alleviated the operation easier of test, and can realize the synchronous bidirectional work of local side and far-end, high-throughput test can reach the network linear speed.
4, in the time of test, do not need operating personnel are carried out complicated operation setting at far-end, only need to smart remote be set to intelligent slave mode of operation, all setting operations all carry out at host computer side, such mode has not only reduced the complexity of test operation, also can gather test result very fast.
Description of drawings
Fig. 1 is that the present invention tests control frame form schematic diagram;
Fig. 2 is universal test frame format schematic diagram of the present invention;
Fig. 3 is full line speed test frame generation schematic diagram of the present invention;
Fig. 4 is test connection diagram of the present invention;
Fig. 5 is described method one implementing procedure figure of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
A kind of method of single port full line speed test WAN network throughput, it mainly is comprised of main control computer module and remote intelligent module two parts.
The main control computer module mainly comprises three parts: the control frame generation module of remote intelligent module, full line speed universal test frame generation module receives the test frame statistical module.
Control frame generation module, the operating state of control remote intelligent module starts the descending test of far-end intelligence throughput, and the request far-end is beamed back statistics, with the data statistics result who is connected other smart machine that connects.Its data frame format is the UDP frame, the ESC code corresponding such as access control flag of frame " cect41.comm " on frame data designated length position.
Full line speed universal test frame generation module is according to the test needs, generates the test data of heterogeneous networks linear speed, the highlyest can reach the linear speed equivalence.Its data frame format is the UDP frame, its frame head and frame data content can arrange as requested, and the main control computer module is carried out the test of network data throughput according to actual test request according to the method for by half search, until within the test period of setting, till Frame is not lost.The key point that linear speed occurs is to design the interval between the frame, be used for realizing the generation of the different linear speeds of test frame, according to the time parameter of setting, the burst number of times, FPGA generates whole test frame according to the universal test frame that defaults among the DPRAM, then with after Frame label time information, the Frame sequence number, send by interface mac frame chip.
Receive the test frame statistical module receives loopback frame by Recognition test flag of frame " cect41.data " number statistics, then by carrying out frame number relatively with generation test frame within this time period, and then realization is to the judgement of current testing throughput.
Remote intelligent module is except needs realize that the linear speed network data occurs, also need to realize resolving the interior test data of test frame, identification testing throughput frame, statistics uplink throughput test frame, and statistics passed back to the main control computer module as requested, the instruction of sending according to the main control computer module forms descending testing throughput frame.The purpose IP address of descending test frame is the source IP address of up test frame, and the source IP address of descending test frame is the purpose IP address of up test frame.
Embodiment two
On the basis of above-described embodiment, as shown in Figure 1, when being carried out testing throughput, WAN need to carry out respectively the test of different frame progress row according to standard, and in the present embodiment, test data frame adopts standard UDP frame data format.Wherein content frame can also carry out self-defined setting according to the test needs.
The test frame form:
Employing standard UDP frame format arranges its target MAC (Media Access Control) address and IP address, udp port number and frame data content, and in the present embodiment, test frame mainly comprises 2 kinds of test frame forms: test control frame, universal test frame.
The test control frame comprises the test starting frame, and test stops frame and parameter request frame.
In the test control frame, the outside ip address that has comprised local router and far-end router, the source and destination udp port of local test instrument number, command word, time tag, test period, test control parameter and test frame sign etc., test frame is masked as " cect41.comm " in an embodiment.
Be illustrated in figure 2 as the content format of conventional data test frame, the universal test frame is during for testing uplink throughput and downlink throughput capacity, and the actual Frame that transmits is used for uplink and downlink frame data amount in main control computer end and smart remote statistical test cycle on the network.In the present embodiment, test frame is masked as " cect41.data ".
As shown in Figure 3, the data test frame length can adopt 64,128,256,512,1024,1280,1518 fixing protocol frames to design, and also can according to the actual test request of user, set up on their own.
Fixing frame data are placed among the DPRAM, simultaneously setup times control parameter, namely frame period and frame occurring mode are burst or continuation mode, adopt in the present embodiment the mode that recurs to produce the linear speed test frame.Read the frame data that set from DPRAM, interpolation time and serial number information are finished CRC32 and are calculated, and the FCS that arranges is replaced.
As shown in Figure 4, inside a test period, two single port testers and network link to be tested form a test macro.Wherein a tester is set to the main control computer pattern, and another instrument is set to far-end intelligent machine pattern.All test parameters arrange all and arrange at main frame, comprise test period, test stepping, Frame emergence pattern, purpose and source IP address and source udp port number and purpose udp port number etc.The far-end intelligent machine only need carry out the far-end intelligent set, and it is set to throughput far-end intelligent work pattern and gets final product.
As shown in Figure 5, main control computer method of testing:
At first, the IP address of source and destination is set, length and the test period of test frame are set, judge that the far-end smart machine is whether in same subnet, namely carrying out the address and judge, is (being same network segment), then directly sends intelligent control information, send the universal test frame and test, start the far-end smart machine and enter the intelligence test state.Not at same subnet, be that the address is judged as the rete mirabile section, then find gateway address by sending ARP address lookup frame first, namely search this network segment gateway, send intelligent control information, send the universal test frame, then send thoroughly net test, start the far-end smart machine that is in another subnet and enter the intelligence test state.
Secondly, transmission path validation test frame is to carry out the network path checking.
At last, carry out respectively the uplink and downlink testing throughput.
On the basis of above-described embodiment, the uplink throughput test comprises:
A: different linear speeds send the testing throughput frame within different test periods, carry out the various performance tests of network.
B: a test period finishes, and sends to stop test frame, allows smart machine withdraw from throughput data frame test mode.
C: send up test parameter claim frame, the request smart machine returns up statistics.
D: resolve smart machine passback data, the calculated data frame has or not to be lost.If any losing, return steps A, the reduction of speed test.Lose such as countless certificates, closed hip twist inlet wire speed (compare with the stepping linear speed whether at preset range) more whether, if closed hip twist inlet wire speed (being preset range) not then increases test linear speed occurs, until countless according to LOF, satisfy simultaneously the stepping linear speed.Be the actual uplink testing throughput this moment.
On the basis of above-described embodiment, the downlink throughput capacity test:
A: the test of beginning one-period, add up descending test frame quantity.
B: a test period finishes, and sends descending test parameter claim frame, and the request smart machine returns descending transmission number of data frames.
C: resolve smart machine passback data, the calculated data frame has or not to be lost.If any losing, send the test control frame to smart machine, step a is returned in the test of request reduction of speed.Lose such as countless certificates, more whether the closed hip twist inlet wire is fast, if the closed hip twist inlet wire is fast, then sends the test control frame to smart machine, and the request increase is tested linear speed is occured, and returns steps A, until countless according to LOF, satisfy simultaneously the stepping linear speed.Be the actual downstream testing throughput this moment.
Far-end smart machine method of testing:
1, Recognition test starts frame, and when capturing control and start frame, the far-end smart machine enters slave mode, sets up the label time label, and the far-end smart machine begins test period and clocks.
2, resolve to start far-end router IP address in the frame data bag, udp port number.
3, smart machine is take the router outer net IP address of master controller end as target ip address, and udp port number is the destination slogan, forms general descending test frame, and frame format is the UDP message frame.
4, transmission path validation test frame is to carry out the network path checking.
5, combined with hardware design, different linear speeds send the descending test frame of throughput, carry out the various descending performance tests of network.
6, test period finishes, and stops to send descending test frame, and the upstream data that statistics receives and the downlink data frame format of itself are to be used for the passback main control device.
On the basis of above-described embodiment, the tester can regulate and set test parameter as required before test is carried out, as: test rate, testing time, frame length etc.
On the basis of above-described embodiment, the tester can regulate and set the parameter of test link as required before test is carried out, as: the IP address of this locality and far-end IP address, this locality and far-end router.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. the method for a single port full line speed test WAN network throughput is characterized in that, may further comprise the steps:
A: judge that the far-end smart machine whether in same subnet, is then to start the far-end smart machine to enter the intelligence test state; Otherwise after transmission ARP address lookup frame is determined gateway address, send net test starting frame, start the far-end smart machine and enter the intelligence test state;
B: transmission path validation test frame, carry out the network path checking;
C: the control parameter is set, carries out respectively WAN network uplink and downlink testing throughput;
D: the Frame that far-end intelligence loopback device statistics receives and the Frame of itself, passback main control device.
2. the method for test WAN network throughput as claimed in claim 1 is characterized in that, before described execution in step A, goes back execution in step A0: the IP address of source IP address and destination is set, test frame length and test period are set.
3. the method for test WAN network throughput as claimed in claim 2 is characterized in that, test frame among the described step B comprises test control frame and universal test frame; Described test control frame comprises that test starting frame, test stop frame and parameter request frame; Described universal test frame is the actual Frame that transmits on the network.
4. the method for test WAN network throughput as claimed in claim 3 is characterized in that, the control parameter is set for frame period is set among the described step C, and the frame occurring mode is set for happening suddenly or the continuous mode of one of them.
5. the method for test WAN network throughput as claimed in claim 4 is characterized in that, described uplink throughput test may further comprise the steps:
C1: send the testing throughput frame according to default test parameter and default link parameter;
C2: a test period finishes, and sends test and stops frame, and the far-end smart machine withdraws from throughput data frame test mode;
C3: send up test parameter claim frame, request far-end smart machine returns up statistics;
C4: resolve far-end smart machine passback data, the calculated data frame has or not to be lost, and if any losing, then returns step C1, the reduction of speed test; Lose such as countless certificates, then whether compare with stepping linear speed difference at preset range; If with stepping linear speed difference in preset range, then increase test linear speed occur, until countless according to LOF the time with stepping linear speed equivalence.
6. the method for test WAN network throughput as claimed in claim 5 is characterized in that, behind the described execution in step C4, also carries out the downlink throughput capacity test, may further comprise the steps:
C5: add up descending test frame quantity;
C6: a test period finishes, and sends descending test parameter claim frame, and request far-end smart machine returns descending transmission number of data frames.
C7: resolve far-end smart machine passback data, the calculated data frame has or not to be lost, and if any losing, then sends the test control frame, the test of request reduction of speed, and return step C5; Lose such as countless certificates, then relatively with the stepping linear speed whether at preset range, if so, then send the test control frame, request increases test linear speed occurs, and returns step C5, until countless according to LOF, simultaneously and the stepping linear speed equivalent.
7. such as the method for claim 5 or 6 described test WAN network throughputs, it is characterized in that, described preset range is the 0-50 metre per second (m/s).
8. the method for test WAN network throughput as claimed in claim 3 is characterized in that, also carries out following steps after the described steps A:
A1: Recognition test starts frame, and when capturing the test starting frame, the far-end smart machine enters the intelligence test state, and the label time label, starts the test period timing;
A2: resolve far-end router IP address in the test starting frame and udp port number;
A3: smart machine is take the router outer net IP address of main control device as target ip address, and udp port number is the destination slogan, forms test frame, and frame format is the UDP message frame.
9. the method for test WAN network throughput as claimed in claim 1 is characterized in that, described test parameter be at least following parameter one of them: test rate, testing time, frame length; Described default link parameter be at least following parameter one of them: the IP address of this locality and far-end IP address, this locality and far-end router.
10. a single port full line speed test WAN network throughput device is characterized in that, comprises main control computer module and remote intelligent module; Described main control computer module comprises: the control frame generation module of far-end intelligence, and full line speed universal test frame generation module receives the test frame statistical module;
The operating state of described control frame generation module controls far-end smart machine, the descending test that starts far-end smart machine throughput, request far-end smart machine passback statistics;
Full line speed universal test frame generation module is according to the test needs, generate the test data of heterogeneous networks linear speed, frame head and data frame content in the Frame are set, method according to by half search is carried out the test of network data throughput, according to the time parameter of setting, the burst number of times reads the universal test frame, and will send after frame data label time information, the Frame sequence number;
Receive the test frame statistical module receives loopback frame by the Recognition test flag of frame number statistics, carry out frame number relatively with generation test frame within this time period, realize the judgement to current testing throughput;
Remote intelligent module is used for resolving the test data in the test frame, and identification testing throughput frame is added up the uplink throughput test frame, and statistics is passed back to the main control computer module.
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| CN107547309B (en) * | 2017-08-21 | 2020-09-04 | 奇安信科技集团股份有限公司 | Automatic testing method and device for security gateway performance |
| CN107682126A (en) * | 2017-11-23 | 2018-02-09 | 中国电子科技集团公司第四十研究所 | A kind of ethernet network transmission performance test device |
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