CN106302017A - High concurrent low discharge network velocity-measuring system and method - Google Patents
High concurrent low discharge network velocity-measuring system and method Download PDFInfo
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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
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
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Abstract
The present invention relates to a kind of high concurrent low discharge network velocity-measuring system and method, its system includes testing the speed client and dispatch server and multiple server that tests the speed, the client that tests the speed is for sending the request of testing the speed to dispatch server, dispatch server is for receiving the request of testing the speed of the client that tests the speed, according to the request of testing the speed and the busy extent of server, distribute the server that tests the speed of test the speed scheme and correspondence for sending the client that tests the speed of the request of testing the speed.It supports that height concurrently tests the speed, and the flow consumed and the time of consumption are few.
Description
Technical field
The present invention relates to network velocity measuring technique field, particularly to a kind of high concurrent low discharge network velocity-measuring system and side
Method.
Background technology
Along with broadband network (fixed network) and user's high speed development of mobile network's (mobile network), carrying rapidly of the network bandwidth
Height, the demand that network tests the speed is increasing.But traditional HTTP and FTP uploads the survey downloaded with the big packet mode of Socket UDP
The band width in physical of the server that tests the speed is required the highest by speed, it is impossible to accomplish that high concurrent network tests the speed；And tradition tests the speed mode
The biggest to the customer impact that tests the speed, when testing the speed, user cannot use other any network applications substantially, otherwise will be to the knot that tests the speed
Fruit produces large effect.
Summary of the invention
It is an object of the invention to the deficiency existed for prior art, it is provided that a kind of high concurrent low discharge network velocity-measuring system
And method, its support height concurrently tests the speed, and the flow consumed and the time of consumption are few, little to the customer impact that tests the speed, rate accuracy
High.
It is an object of the invention to use following proposal to realize: a kind of high concurrent low discharge network velocity-measuring system, including surveying
Speed client, dispatch server and multiple server (two or more) that tests the speed, described in test the speed client for sending survey
Speed request to dispatch server, described dispatch server for receiving the testing the speed request of the client that tests the speed, ask according to testing the speed with
And the busy extent of the server that tests the speed, the clothes that test the speed of test the speed scheme and correspondence are distributed for sending the client that tests the speed of the request of testing the speed
Business device.
In some application scenarios, if needing complete end-to-end monitoring to test the speed, then the high concurrent rill of the present invention
Amount network velocity-measuring system also includes probe server, the server end that described probe server tests the speed as the client that tests the speed, and makees
For the client of the server that tests the speed, it is used for carrying out network end-to-end and tests the speed.Preferably, probe server is three, three
Probe server is deployed in Access Layer, convergence-level, core layer respectively, and it is primarily to carry out network end-to-end monitoring and survey
Speed, can be client network, Access Layer by the complete diagnosis of testing the speed of the low discharge of high (second level) frequency of rule that tests the speed on earth
There is bottleneck or problem in network, convergence-level networking or core layer network.
Multiple servers that test the speed constitute the server cluster that tests the speed.
A kind of high concurrent low discharge network velocity-measuring system, including the client that tests the speed, dispatch server, probe server and
The individual server that tests the speed, described in test the speed client for send test the speed request to dispatch server, described probe server is as survey
The server end that speed client tests the speed, as the client of the server that tests the speed, is used for carrying out network end-to-end and tests the speed, described
Dispatch server is for receiving the request of testing the speed of client, according to the request of testing the speed and the busy extent of server end, for sending
The client of the request of testing the speed distributes the server end of test the speed scheme and correspondence.Preferably, probe server is three, three spies
Pin server is deployed in Access Layer, convergence-level, core layer respectively, and it is primarily to carry out network end-to-end and test the speed,
Can be client network, Access Layer net on earth by the complete diagnosis of testing the speed of the low discharge of high (second level) frequency of rule that tests the speed
There is bottleneck or problem in network, convergence-level networking or core layer network.
The high concurrent low discharge network velocity-measuring system of the present invention also includes data acquisition server, described data acquisition service
Device is for receiving measurement data from client server, and stores.
The described client that tests the speed is smart machine, including smart mobile phone, PC/notebook/Mac, intelligent gateway, intelligence
Can TV, Intelligent set top box, intelligent router.
A kind of high concurrent low discharge network speed-measuring method, comprises the steps:
S1) client initiates, to dispatch server, the request of testing the speed；
S2) dispatch server is according to the request of testing the speed and the busy extent of server end, for sending the client of the request of testing the speed
Distribute the server end of test the speed scheme and correspondence；
S3) when client asks descending testing the speed, if client network is limiting speed of token bucket mode, then server end is sent out
Play limiting speed of token bucket testing scheme to test the speed；If the non-speed limit of client network or use leaky bucket speed limit, then server end root
Initiate downlink physical bandwidth test scheme according to the request of testing the speed to test the speed or/and descending available bandwidth testing scheme tests the speed；
S4) when client asks up testing the speed, if client network is limiting speed of token bucket mode, then client is initiated
Limiting speed of token bucket testing scheme tests the speed；If the non-speed limit of client network or use leaky bucket speed limit, then client is according to survey
Speed request is initiated ascending physical signal bandwidth test scheme and is tested the speed or/and up available bandwidth testing scheme tests the speed.
The request of testing the speed includes the network type residing for direction, priority, client that tests the speed.
Result that what client server obtained after testing the speed test the speed reports data acquisition server, and data acquisition takes
Business device record tests the speed result.The result that tests the speed (only can be used including but not limited to band width in physical, available bandwidth, peak value band width in physical
Test the speed in token bucket testing scheme), peak value available bandwidth (being only used for token bucket testing scheme to test the speed), packet loss, time delay, every time
Test the speed elapsed time, test the speed consumed flow every time.
Client is client or the probe server of testing the speed, and server end is server or the probe server of testing the speed, and works as spy
When pin server is as server end, client is the client that tests the speed, and when probe server is as client, server end is
Test the speed server.
Band width in physical testing scheme comprises the steps:
S1) tested end is the most mutual with test lead: tested end is set up link with test lead and is connected, and tested end passes
Passing for the first time the most mutual test parameter to test lead, first time that test lead transmits with tested end mutual test parameter is for referring to
Leading, send network detection bag and arrange to tested end, the network detection bag row of tested termination Acceptance Tests end, according to network detection bag
According to the network physical bandwidth estimated, the quantity of packet and the band width in physical of Time-delay Prediction network in row, determine that second time is mutual
Test parameter；
S2) tested end and test lead second time is mutual: tested end is by step S1) in the mutual survey of the second time that determines
Examination parameter passes to test lead, and the mutual test parameter of second time that test lead transmits with tested end is to instruct, and sends network
Test bag row are to tested end, and the network test bag row of tested termination Acceptance Tests end, according to network test Bao Liezhong packet
Quantity and time-delay calculation obtain network physical bandwidth；
During test downlink physical bandwidth, test lead is server end, and tested end is client, testing uplink band width in physical
Time, test lead is client, and tested end is server end.
By network physical bandwidth partition interval range, set in tested end and survey one to one with each interval range
Examination parameter, after tested end is the most mutual with test lead, tested end estimates out the band width in physical of network, it is judged that the net estimated
The interval range at network band width in physical place, the test parameter corresponding to interval range at the network physical bandwidth place estimated is
The test parameter that secondary is mutual.
Because at present the usual maximum of real network band width in physical is 1000M, it is therefore two by network physical bandwidth partition
Individual interval range, be respectively (0,100M] and (100M, 1000M], and wherein (0,100M] in test parameter corresponding to interval range
Bag number be n1；(100M, 1000M] bag number in test parameter corresponding to interval range is n2.N1 and n2 can basis
Situation is adjusted.When network physical band is wider than 1000M, test parameter corresponding to this interval range with (100M, 1000M]
The test parameter that interval range is corresponding is identical, it is of course also possible to be set as other test parameters according to actual needs.
N1 is one and is more than or equal to 70, and the number less than or equal to 130, and n2 is one and is more than or equal to 250, and is less than
Or the number equal to 750, i.e. 70≤n1≤130.250≤n2≤750.In the case of real network, 100M and 1000M network sends
Test parameter has the biggest difference.
In the most mutual test parameter, bag size is n3, and unit is byte, 500≤n3≤1450.N3 can basis
Situation is adjusted.
In the most mutual test parameter, bag size is n4, and unit is byte, 500≤n4≤1450.N4 can basis
Situation is adjusted.In the most mutual test parameter, bag number is n5,30≤n5≤70.N5 can according to circumstances adjust
Whole.Bag size and bag number the least (lacking), usually 500byte X 50 in the most mutual test parameter.Because the
Once do not know client current network bandwidth, the most just need once to estimate test.Have only to alternately obtain for the first time
One discreet value, the highest to required precision, use parcel and a small amount of bag the most also to save testing time and flow.
After taking above-mentioned low discharge band width in physical testing scheme, within 24 hours, network thing can be obtained in network operation whole day simultaneously
Reason bandwidth, due to a band width in physical test, the packet being sent to client from server end is the least (the most hundreds of
K), speed is very fast, greatly enhances user's perception, adds the utilization ratio of network and improves network running quality.
Meanwhile, facilitate network operation maintenance team to find the problem in network and bottleneck, Fast-Maintenance and maintenance in time, improve network and make
The satisfaction of user.
Available bandwidth testing scheme comprises the steps:
S1) known band width in physical C, sets measuring accuracy Ac, and test lead is with RI1Speed sends interval bag row to tested
End, RI1=C.Measuring accuracy Ac ∈ (0,0.3].
S2) tested end is by receiving step S1) interval bag column count packet receiving speed RO that sends1, to RI1/RO1-1 enters
Row judges, if RI1/RO1-1≤measuring accuracy Ac, then judge RI1/RO1-1, in agreement accuracy rating, enters step S7)；If
RI1/RO1-1 > measuring accuracy Ac, then judge RI1/RO1-1, not in agreement accuracy rating, enters step S3)；
S3) tested end is by step 2) packet receiving speed RO calculated1Being sent to test lead, test lead is with RI2Speed is sent out
Send interval bag row to tested end, RI2=RO1；
S4) tested end is by receiving step S3) interval bag column count packet receiving speed RO that sends2, to RI2/RO2-1 enters
Row judges, if RI2/RO2-1≤measuring accuracy Ac, then judge RI2/RO2-1, in agreement accuracy rating, enters step S7)；If
RI2/RO2-1 > measuring accuracy Ac, then judge RI2/RO2-1, not in agreement accuracy rating, enters step S5)；
S5) tested end is by step 4) packet receiving speed RO calculated2Being sent to test lead, test lead passes through formulaCalculate RI3, test lead is with RI3Speed sends interval bag row to tested end；
S6) tested end is by receiving step S5) interval bag column count packet receiving speed RO that sends3；
S7) tested end calculates available bandwidth by band width in physical and packet receiving speed, velometer of giving out a contract for a project；
When testing descending available bandwidth, test lead is server end, and tested end is client, testing uplink available bandwidth
Time, test lead is client, and tested end is server end.
What available bandwidth testing scheme of the present invention sent is out-of-sequence packet row, during reception, be only concerned receive first bag and
The interval time of last bag, disturb thus without by out of order and packet loss.And the present invention the most only tests three times, to the time and
The consumption of flow is the least, therefore in the environment of same, can accomplish low discharge and quick obtaining available bandwidth.Use above-mentioned
It is high that low discharge available bandwidth testing scheme is estimated accuracy rate to available bandwidth, and the time used is short, and spent flow is the least,
And it is not disturbed by out of order and packet loss.
Present invention have the advantage that the present invention passes through high-bandwidth service device, send UDP low discharge bag quantitative analysis, if
Put multiple server that tests the speed and coordinate dispatch server, it is possible to realize height and concurrently test the speed, and test the speed consumed flow and consumption
Time is few, and under same testing service device bandwidth situation, the client that concurrently tests the speed that this small flow system can support is to pass
The hundred times that unified test try is wide.And the present invention is little to the customer impact that tests the speed, rate accuracy is high.Because present invention uses low discharge
Test the speed mode, and solves the most concurrent problem very well, and owing to testing the speed, flow consumes considerably less and time-consuming the shortest,
Have an impact thus without to user.
Native system supports broadband, the testing the speed of mobile network simultaneously, and native system tests the speed and can assess band width in physical and available band
Width, accurately tests the speed to leaky bucket model, the token bucket pattern speed limit of bandwidth operator.
Probe client can be as probe server end, and probe server end also can be as probe client, and probe takes
Business device be deployed in Access Layer, convergence-level, core layer itself primarily to carry out network end-to-end and test the speed, can pass through test the speed
The complete diagnosis of testing the speed of the low discharge of high (second level) frequency of rule is client network, access layer network, convergence-level networking on earth
Or there is bottleneck or problem in core layer network.
Technical term is explained:
Band width in physical: refer to the peak transfer rate that end to end network can provide, band width in physical is by the narrowest in network path
The bandwidth of link determines, the most also referred to as link bandwidth；
Available bandwidth: be divided into link available bandwidth and path (end-to-end) available bandwidth, it is assumed that UiRepresent link LiWhen T
Between utilization rate in section, CiRefer to band width in physical, the available bandwidth A of linkiFor: Ai=Ci(1-Ui).In time T, in path P
Available bandwidth is defined as follows:
Aend-to-end=min(A1, A2..., An)
Available bandwidth described in this patent each means end-to-end available bandwidth Aend-to-end.Available bandwidth is divided into descending available
Bandwidth and up available bandwidth.
Limiting speed of token bucket: limiting speed of token bucket refers to limiting speed of token bucket technology, it is characterized in that in the case of flow is less
Do not carry out speed limit, just carry out speed limit when flow reaches a certain amount of；
Leaky bucket speed limit: leaky bucket speed limit refers to leaky bucket speed limit technology, is characterized in that, regardless of uninterrupted, all carrying out speed limit；
Peak value band width in physical (token bucket): operator broadband employs limiting speed of token bucket technology, here peak value in a large number at present
Band width in physical refers in limiting speed of token bucket network, before not actuated speed limit, and the peak transfer rate that network path can reach.Peak
Value band width in physical divides down peak magnitude band width in physical and upstream peak band width in physical, for speed limit network, aforesaid physical tape
Width refers to the band width in physical after speed limit；
Peak value available bandwidth (token bucket): peak value available bandwidth refers in limiting speed of token bucket network here, not actuated
Before speed limit, the available bandwidth of network path.For speed limit network, aforesaid available bandwidth refers to the available band after speed limit
Wide；
Bao Lie: refer to continuous continual a string message in network transmission.
Packet loss: refer in network transmission process, total * the 100% of the number of packet loss/transmission bag；
Time delay: refer to the time delay of client PING server；
Test the speed elapsed time every time: refers to the consumed time of every time testing the speed；
Test the speed consumed flow every time: refers to the consumed flow that every time tests the speed.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the high concurrent low discharge network velocity-measuring system of the present invention；
Fig. 2 is end-to-end and by end test data flow；
Fig. 3 is the descending flow chart that tests the speed of the present invention；
Fig. 4 is the up flow chart that tests the speed of the present invention；
Fig. 5 is the downlink physical broadband index test sequential chart of the present invention；
Fig. 6 is the ascending physical signal broadband index test sequential chart of the present invention；
Fig. 7 is the method for testing flow chart of inventive network available bandwidth.
Detailed description of the invention
Implement one
Seeing Fig. 1, a kind of high concurrent low discharge network velocity-measuring system, including client T01 that tests the speed, dispatch server T04
With multiple servers T03 (two or more) that test the speed, described in test the speed client for send test the speed request to dispatch service
Device, described dispatch server, for receiving the testing the speed request of client of testing the speed, is asked according to testing the speed and the server that tests the speed numerous
Busy degree, distributes the server that tests the speed of test the speed scheme and correspondence for sending the client that tests the speed of the request of testing the speed.The height of the present invention
Concurrent low discharge network velocity-measuring system also includes data acquisition server T05, and described data acquisition server is for from client
Or received server-side measurement data, and store.
In some application scenarios, if needing complete end-to-end monitoring to test the speed, then the high concurrent rill of the present invention
Amount network velocity-measuring system also includes probe server T02, the server end that described probe server tests the speed as the client that tests the speed,
As the client of the server that tests the speed, it is used for carrying out network end-to-end and tests the speed.Preferably, probe server is three, three
Individual probe server is deployed in Access Layer, convergence-level, core layer respectively, and it is primarily to carry out network end-to-end monitoring and survey
Speed, can be client network, Access Layer by the complete diagnosis of testing the speed of the low discharge of high (second level) frequency of rule that tests the speed on earth
There is bottleneck or problem in network, convergence-level networking or core layer network.
The client that tests the speed refers to be mounted with that low discharge tests the speed the smart machine of client software, its comprise data transmission blocks,
Data reception module and data processing module, data transmission blocks is responsible for sending data to server end, and data reception module is born
Duty is from received server-side data, and transfers to data processing module to process the data received, at data processing module
After reason data complete, data transmission blocks can be transferred to again to be again sent to data acquisition server；The intelligence that the client that tests the speed is supported
Energy equipment contains but is not limited to smart mobile phone, PC/notebook/Mac, intelligent gateway, intelligent television, Intelligent set top box, intelligence
Can router.
The server that tests the speed refers to be deployed in network core layer, can be as client and the server of probe server of testing the speed
A kind of equipment of end, it comprises data transmission blocks, data reception module, data processing module and scheduler module；Data send
Module is responsible for sending data to client, and data reception module is responsible for receiving data from client, and the data received are handed over
Processed by data processing module, after data processing module process data complete, sending module can be transferred to again to be again sent to
Data acquisition server T06；Multiple thread concurrent receipt clients that scheduler module is mainly used in coordination data receiver module
Request of data, to reach to increase the purpose of server end handling capacity.
Owing to systems support high concurrently tests the speed, system has the server cluster that tests the speed that multiple server that tests the speed is formed, therefore
Needing the equipment that can dispatch the client that tests the speed, probe server and the server that tests the speed pairing, this equipment refers to scheduling
Server；It comprises data reception module, data transmission blocks, the scheduler module that tests the speed, the rule treatments that tests the speed module；Data receiver
Module is responsible for from client and server termination Acceptance Tests request data and server busy situation data, and the data received
Rule treatments module of transferring to test the speed processes, and test order processing module processes after data complete, according to the busy journey of server
Degree, transfers to scheduler module allocation for test server, then transfers to sending module to be again sent to client.
Data acquisition server refers to be deployed in network core layer, as collecting and the test the speed one of result of calculating section sets
Standby；It comprises data reception module and data memory module；Data reception module is responsible for receiving from client server surveying
Speed data, and transfer to data memory module to store.
Seeing Fig. 2, probe server refers to that major deployments, can be as the client that tests the speed in Access Layer, convergence-level, core layer
The server end tested the speed, a kind of equipment of the client that also can test the speed as the server that tests the speed.It comprises data transmission blocks, number
According to receiver module, data processing module and Queue module.Its as client when, data transmission blocks be responsible for send number
According to server end, data reception module is responsible for from received server-side data, and is transferred to data to process the data received
Module processes, and after data processing module process data complete, sending module can be transferred to again to be again sent to data acquisition clothes
Business device；Its as server end when, sending module is responsible for sending data to client, and data reception module is responsible for from visitor
Family end receives data, and transfers to data processing module to process the data received, and it is complete that data processing module processes data
Cheng Hou, can transfer to sending module to be again sent to data acquisition server again.Probe server T02 is different from the server that tests the speed
It is that probe server the most only supports a task, and follow-up work will be queued up by Queue module.Probe server disposition is accessing
Layer, convergence-level, core layer itself primarily to carry out network end-to-end and test the speed, can be by testing the speed rule high (second level) frequently
The complete diagnosis of testing the speed of the low discharge of rate is client network, access layer network, convergence-level networking or core layer network on earth
Bottleneck or problem occur.
The present invention is using testing the speed client and be referred to as client as probe server during client.The present invention using as
Probe server during server and the server that tests the speed are referred to as server end.
Embodiment two
A kind of high concurrent low discharge network velocity-measuring system, including the client that tests the speed, dispatch server, probe server and
The individual server that tests the speed, described in test the speed client for send test the speed request to dispatch server, described probe server is as survey
The server end that speed client tests the speed, as the client of the server that tests the speed, is used for carrying out network end-to-end and tests the speed, described
Dispatch server is for receiving the request of testing the speed of client, according to the request of testing the speed and the busy extent of server end, for sending
The client of the request of testing the speed distributes the server end of test the speed scheme and correspondence.Described data acquisition server is for from client
Or received server-side measurement data, and store.Preferably, probe server is three, and three probe servers are respectively
Being deployed in Access Layer, convergence-level, core layer, it is primarily to carry out network end-to-end and test the speed, can be by testing the speed
The complete diagnosis of testing the speed of the low discharge of high (second level) frequency of rule is client network, access layer network, convergence-level networking on earth
Or there is bottleneck or problem in core layer network.Other features of embodiment one are identical with embodiment two.
See Fig. 3 and Fig. 4, a kind of network speed-measuring method using said system, comprise the steps:
S1) client initiates, to dispatch server, the request of testing the speed.The request of testing the speed includes test the speed direction, priority, client
Residing network type.The request of testing the speed may also include operator's signing bandwidth.
S2) dispatch server is according to the request of testing the speed and the busy extent of server end, for sending the client of the request of testing the speed
Distribute the server end of test the speed scheme and correspondence.Client is client or the probe server of testing the speed, and server end is for testing the speed
Server or probe server, when probe server is as server end, client is the client that tests the speed, when probe server
During as client, server end is the server that tests the speed.
S3) when client asks descending testing the speed, if client network is limiting speed of token bucket mode, then server end is sent out
Play limiting speed of token bucket testing scheme to test the speed；If the non-speed limit of client network or use leaky bucket speed limit, then server end root
Initiate low discharge downlink physical bandwidth test scheme according to the request of testing the speed to test the speed or/and low discharge descending available bandwidth testing scheme is surveyed
Speed；
S4) when client asks up testing the speed, if client network is limiting speed of token bucket mode, then client is initiated
Limiting speed of token bucket testing scheme tests the speed；If the non-speed limit of client network or use leaky bucket speed limit, then client is according to survey
Speed request is initiated low discharge ascending physical signal bandwidth test scheme and is tested the speed or/and low discharge up available bandwidth testing scheme tests the speed.
The token bucket scheme of testing the speed only has band width in physical to test the speed at present, and the present embodiment limiting speed of token bucket testing scheme is prior art, no longer
Describe in detail.Limiting speed of token bucket testing scheme may refer to disclosed paper, and " bottleneck bandwidth under the conditions of network speed limit is measured new
Method ".
Result that what client server obtained after testing the speed test the speed reports data acquisition server, and data acquisition takes
Business device record tests the speed result.The result that tests the speed (only can be used including but not limited to band width in physical, available bandwidth, peak value band width in physical
Test the speed in token bucket testing scheme), peak value available bandwidth (being only used for token bucket testing scheme to test the speed), packet loss, time delay, every time
Test the speed elapsed time, test the speed consumed flow every time.
Seeing Fig. 5 and Fig. 6, low discharge band width in physical testing scheme comprises the steps:
S1) tested end is the most mutual with test lead: tested end is set up link with test lead and is connected, and tested end passes
Passing for the first time the most mutual test parameter to test lead, first time that test lead transmits with tested end mutual test parameter is for referring to
Leading, send network detection bag and arrange to tested end, the network detection bag row of tested termination Acceptance Tests end, according to network detection bag
According to the network physical bandwidth estimated, the quantity of packet and the band width in physical of Time-delay Prediction network in row, determine that second time is mutual
Test parameter；
S2) tested end and test lead second time is mutual: tested end is by step S1) in the mutual survey of the second time that determines
Examination parameter passes to test lead, and the mutual test parameter of second time that test lead transmits with tested end is to instruct, and sends network
Test bag row are to tested end, and the network test bag row of tested termination Acceptance Tests end, according to network test Bao Liezhong packet
Quantity and time-delay calculation obtain network physical bandwidth.
Network detection bag row, network test bag row are UDP bag row.Test parameter includes bag size, bag number.Under test
During row band width in physical, test lead is server end, and tested end is client, and during testing uplink band width in physical, test lead is visitor
Family end, tested end is server end.
By network physical bandwidth partition interval range, set in tested end and survey one to one with each interval range
Examination parameter, after tested end is the most mutual with test lead, tested end estimates out the band width in physical of network, it is judged that the net estimated
The interval range at network band width in physical place, the test parameter corresponding to interval range at the network physical bandwidth place estimated is
The test parameter that secondary is mutual.
Because at present the usual maximum of real network band width in physical is 1000M, it is therefore two by network physical bandwidth partition
Individual interval range, be respectively (0,100M] and (100M, 1000M], and wherein (0,100M] in test parameter corresponding to interval range
Bag number be n1；(100M, 1000M] bag number in test parameter corresponding to interval range is n2.N1 and n2 can basis
Situation is adjusted.When network physical band is wider than 1000M, test parameter corresponding to this interval range with (100M, 1000M]
The test parameter that interval range is corresponding is identical, it is of course also possible to be set as other test parameters according to actual needs.
N1 is one and is more than or equal to 70, and the number less than or equal to 130, and n2 is one and is more than or equal to 250, and is less than
Or the number equal to 750, i.e. 70≤n1≤130.250≤n2≤750.In the case of real network, 100M and 1000M network sends
Test parameter has the biggest difference.The n1 of the present embodiment is 100, and n2 is 500.
In the most mutual test parameter, bag size is n3, and unit is byte, 500≤n3≤1450.N3 can basis
Situation is adjusted.The n3 of the present embodiment is 1400.
In the most mutual test parameter, bag size is n4, and unit is byte, 500≤n4≤1450.N4 can basis
Situation is adjusted.In the most mutual test parameter, bag number is n5,30≤n5≤70.N5 can according to circumstances adjust
Whole.Bag size and bag number the least (lacking), usually 500byte X 50 in the most mutual test parameter.Because the
Once do not know client current network bandwidth, the most just need once to estimate test.Have only to alternately obtain for the first time
One discreet value, the highest to required precision, use parcel and a small amount of bag the most also to save testing time and flow.The present embodiment
N4 is 500.The n5 of the present embodiment is 50.
Seeing Fig. 7, low discharge available bandwidth testing scheme comprises the steps:
S1) known band width in physical C, sets measuring accuracy Ac, and test lead is with RI1Speed sends interval bag row to tested
End, RI1=C.Measuring accuracy Ac ∈ (0,0.3].
S2) tested end is by receiving step S1) interval bag column count packet receiving speed RO that sends1, to RI1/RO1-1 enters
Row judges, if RI1/RO1-1≤measuring accuracy Ac, then judge RI1/RO1-1, in agreement accuracy rating, enters step S7)；If
RI1/RO1-1 > measuring accuracy Ac, then judge RI1/RO1-1, not in agreement accuracy rating, enters step S3)；
S3) tested end is by step 2) packet receiving speed RO calculated1Being sent to test lead, test lead is with RI2Speed is sent out
Send interval bag row to tested end, RI2=RO1；
S4) tested end is by receiving step S3) interval bag column count packet receiving speed RO that sends2, to RI2/RO2-1 enters
Row judges, if RI2/RO2-1≤measuring accuracy Ac, then judge RI2/RO2-1, in agreement accuracy rating, enters step S7)；If
RI2/RO2-1 > measuring accuracy Ac, then judge RI2/RO2-1, not in agreement accuracy rating, enters step S5)；
S5) tested end is by step 4) packet receiving speed RO calculated2Being sent to test lead, test lead passes through formulaCalculate RI3, test lead is with RI3Speed sends interval bag row to tested end；
S6) tested end is by receiving step S5) interval bag column count packet receiving speed RO that sends3；
S7) tested end calculates available bandwidth by band width in physical and packet receiving speed, velometer of giving out a contract for a project；
When testing descending available bandwidth, test lead is server end, and tested end is client, testing uplink available bandwidth
Time, test lead is client, and tested end is server end.By band width in physical and packet receiving speed, speed calculation of giving out a contract for a project can
The algorithm in disclosed paper " availability bandwidth measurement method research " can be used by bandwidth.
Different test mode Comparative result is presented herein below
Broadband test Comparative result under certain operator 1000Mbps network environment:
The different test mode Comparative result of form 1
By the different test mode Comparative result of form 1 it can be seen that under the same server bandwidth that tests the speed, this low discharge
Flow that test system is consumed and the time of consumption, much smaller than tradition speed-measuring method, say, that in same testing service
Under device bandwidth situation, the client that concurrently tests the speed that this small flow system can support is the hundred times of traditional test bandwidth.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, it is clear that those skilled in the art
Member can carry out various change and modification without departing from the spirit and scope of the present invention to the present invention.So, if the present invention
These amendments and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these
Change and including modification.
Claims (10)
1. one kind high concurrent low discharge network velocity-measuring system, it is characterised in that: the client that includes testing the speed, dispatch server and multiple
Test the speed server, described in test the speed client for send test the speed request to dispatch server, described dispatch server is used for receiving
The request of testing the speed of the client that tests the speed, according to the request of testing the speed and the busy extent of the server that tests the speed, for sending the survey of the request of testing the speed
Speed client distributes the server that tests the speed of test the speed scheme and correspondence.
System the most according to claim 1, it is characterised in that: also include probe server, described probe server conduct
The server end that the client that tests the speed tests the speed, as the client of the server that tests the speed, is used for carrying out network end-to-end and tests the speed.
3. one kind high concurrent low discharge network velocity-measuring system, it is characterised in that: include test the speed client, dispatch server, probe
Server and the server that tests the speed, described in test the speed client for send test the speed request to dispatch server, described probe take
The server end that business device tests the speed as the client that tests the speed, as the client of the server that tests the speed, is used for carrying out network end-to-end prison
Survey is tested the speed, and described dispatch server, for receiving the testing the speed request of client, is asked according to testing the speed and server end busy
Degree, distributes the server end of test the speed scheme and correspondence for sending the client of the request of testing the speed.
4. according to the system described in claim 1 or 2 or 3, it is characterised in that: also include data acquisition server, described data
Acquisition server is for receiving measurement data from client server, and stores.
5. one kind high concurrent low discharge network speed-measuring method, it is characterised in that comprise the steps:
S1) client initiates, to dispatch server, the request of testing the speed；
S2) dispatch server is according to the request of testing the speed and the busy extent of server end, for sending the client distribution of the request of testing the speed
The scheme that tests the speed and the server end of correspondence；
S3) when client asks descending testing the speed, if client network is limiting speed of token bucket mode, then server end initiates order
Board bucket speed limit testing scheme tests the speed；If the non-speed limit of client network or use leaky bucket speed limit, then server end is according to survey
Speed request is initiated downlink physical bandwidth test scheme and is tested the speed or/and descending available bandwidth testing scheme tests the speed；
S4) when client asks up testing the speed, if client network is limiting speed of token bucket mode, then client initiates token
Bucket speed limit testing scheme tests the speed；If the non-speed limit of client network or use leaky bucket speed limit, then client is according to test the speed please
Initiation ascending physical signal bandwidth test scheme is asked to test the speed or/and up available bandwidth testing scheme tests the speed.
Method the most according to claim 5, it is characterised in that: band width in physical testing scheme comprises the steps:
S1) tested end and test lead are the most mutual: tested end is set up link with test lead and is connected, and tested end transmits the
The most mutual test parameter is to test lead, and first time that test lead transmits with tested end mutual test parameter is to instruct,
Send network detection bag to arrange to tested end, the network detection bag row of tested termination Acceptance Tests end, arrange according to network detection bag
According to the network physical bandwidth estimated, the quantity of middle packet and the band width in physical of Time-delay Prediction network, determine that second time is mutual
Test parameter；
S2) tested end and test lead second time is mutual: tested end is by step S1) in the mutual test ginseng of the second time that determines
Number passes to test lead, and the mutual test parameter of second time that test lead transmits with tested end is to instruct, and sends network test
Bag row are to tested end, and the network test bag row of tested termination Acceptance Tests end, according to the number of network test Bao Liezhong packet
Amount and time-delay calculation obtain network physical bandwidth；
During test downlink physical bandwidth, test lead is server end, and tested end is client, during testing uplink band width in physical,
Test lead is client, and tested end is server end.
Method the most according to claim 5, it is characterised in that: available bandwidth testing scheme comprises the steps:
S1) known band width in physical C, sets measuring accuracy Ac, and test lead is with RI1Speed sends interval bag row to tested end, RI1
=C；
S2) tested end is by receiving step S1) interval bag column count packet receiving speed RO that sends1, to RI1/RO1-1 sentences
Disconnected, if RI1/RO1-1≤measuring accuracy Ac, then judge RI1/RO1-1, in agreement accuracy rating, enters step S7)；If RI1/
RO1-1 > measuring accuracy Ac, then judge RI1/RO1-1, not in agreement accuracy rating, enters step S3)；
S3) tested end is by step 2) packet receiving speed RO calculated1Being sent to test lead, test lead is with RI2Between speed sends
Every bag row to tested end, RI2=RO1；
S4) tested end is by receiving step S3) interval bag column count packet receiving speed RO that sends2, to RI2/RO2-1 sentences
Disconnected, if RI2/RO2-1≤measuring accuracy Ac, then judge RI2/RO2-1, in agreement accuracy rating, enters step S7)；If RI2/
RO2-1 > measuring accuracy Ac, then judge RI2/RO2-1, not in agreement accuracy rating, enters step S5)；
S5) tested end is by step 4) packet receiving speed RO calculated2Being sent to test lead, test lead passes through formulaCalculate RI3, test lead is with RI3Speed sends interval bag row to tested end；
S6) tested end is by receiving step S5) interval bag column count packet receiving speed RO that sends3；
S7) tested end calculates available bandwidth by band width in physical and packet receiving speed, velometer of giving out a contract for a project；
When testing descending available bandwidth, test lead is server end, and tested end is client, during testing uplink available bandwidth,
Test lead is client, and tested end is server end.
Method the most according to claim 5, it is characterised in that: the request of testing the speed includes the network residing for direction, client that tests the speed
Type.
Method the most according to claim 5, it is characterised in that: what client server obtained after testing the speed test the speed knot
Fruit reports data acquisition server, and data acquisition server record tests the speed result.
Method the most according to claim 5, it is characterised in that: client is client or the probe server of testing the speed, service
Device end is server or the probe server of testing the speed, and when probe server is as server end, client is the client that tests the speed, when
When probe server is as client, server end is the server that tests the speed.
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