CN106878097B - A kind of network insertion Rate Test Method, apparatus and system based on multicast - Google Patents
A kind of network insertion Rate Test Method, apparatus and system based on multicast Download PDFInfo
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- CN106878097B CN106878097B CN201510908656.8A CN201510908656A CN106878097B CN 106878097 B CN106878097 B CN 106878097B CN 201510908656 A CN201510908656 A CN 201510908656A CN 106878097 B CN106878097 B CN 106878097B
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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
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
- H04L43/0894—Packet rate
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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
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Abstract
The invention discloses a kind of network insertion Rate Test Method, apparatus and system based on multicast, is related to field of communication technology, and wherein method includes: and sends multicast to Broadband Remote Access Server BRAS request message is added, and test multicast group is added in request；After test multicast group is added, the multicast message of the test multicast group of BRAS forwarding is received；Multicast message based on the test multicast group received calculates network insertion rate.Network insertion Rate Test Method, apparatus and system based on multicast of the invention, proposing reduces the requirement that a large number of users concurrently tests the speed to test the speed server performance and outlet bandwidth by multicast, multicast replication point is moved down into BRAS and avoids influence of the backbone network congestion to access bandwidth measurement result, it reduces to server performance requirement and the outlet bandwidth requirement of testing the speed, and improves the accuracy that tests the speed.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of network insertion Rate Test Methods based on multicast, dress
It sets and system.
Background technique
Fixed broadband access rate refers to the Access mode point BRAS from broadband inserting service operator
(Broadband Remote Access Server, Broadband Remote Access Server) arrives the letter of this section of chain road of user terminal
Cease transfer rate.The regulation in existing rower " broadband Rate Test Method-fixed broadband access " (YD/T 2400-2012)
Speed-measuring method to be client establish with the server for being deployed in BRAS or Metropolitan Area Network (MAN) outlet 4 or more TCP
(Transmission Control Protocol, transmission control protocol) connection, measures user's by the handling capacity of TCP
Access rate.But existing broadband access rate speed-measuring method has the following problems: server major deployments are in CR (Core
Router, core router) side, measurement be not only access section, further comprise metropolitan area mesh portions；It is general with high bandwidth business
And the user that largely concurrently tests the speed be easy to cause test the speed server performance deficiency and outlet bandwidth congestion, the result that causes to test the speed is inaccurate
Really.
Summary of the invention
In view of this, the invention solves a technical problem be to provide it is a kind of based on multicast network insertion rate survey
Method for testing, apparatus and system.
A kind of network insertion Rate Test Method based on multicast, comprising: sent to Broadband Remote Access Server BRAS
Request message is added in multicast, and test multicast group is added in request；After test multicast group is added, the survey of the BRAS forwarding is received
Try the multicast message of multicast group；Multicast message based on the test multicast group received calculates network insertion rate.
According to one embodiment of present invention, further, before sending multicast to the BRAS and request message is added
Include: and the server that tests the speed establishes connection, obtains the test multicast address of multicast group and described from the server that tests the speed
The address of BRAS.
According to one embodiment of present invention, further, it is described to BRAS send multicast be added request message include: In
The multicast address that the test multicast group is added is added in request message in multicast, and sends multicast addition request message to
The BRAS；The BRAS judges that the test multicast group whether there is based on the multicast address of the test multicast group, if
In the presence of then being set as the network element address for sending the multicast and being added request message to need to receive the multicast of the test multicast group
The unicast address of message.
According to one embodiment of present invention, further, comprising: for needing to receive the multicast of the test multicast group
The unicast address of message, the BRAS configure the multicast address of the test multicast group and the corresponding relationship of the unicast address,
Generate mapping item；The BRAS matches the multicast address in the multicast message received, when in the multicast message
Multicast group address be it is described test multicast group multicast address when, then judge this multicast message test the speed for described in server send
Test multicast group multicast message；The multicast message for replicating the test multicast group received, according to the mapping item
Unicast address corresponding with the test multicast address of multicast group is obtained, replaces the test multicast using the unicast address
Multicast address and forwarding in the multicast message of group.
According to one embodiment of present invention, further, comprising: the BRAS turns by searching for singlecast router forwarding table
Send out described test multicast group multicast message；The unicast address includes: the network segment of specific unicast address or unicast address.
According to one embodiment of present invention, further, comprising: receive the service of testing the speed of the BRAS forwarding
The multicast message for the test multicast group that device is sent；The ratio of multicast message based on the test multicast group received in the unit time
Special number generates test result, and the test result includes: Mean Speed, peak rate.
According to one embodiment of present invention, further, comprising: TCP connection is established with the server that tests the speed, by institute
It states the result that tests the speed and is sent to the server that tests the speed.
A kind of network insertion rate test device based on multicast, comprising: module is added in multicast, for connecing to broad band remote
Enter server B RAS and send multicast addition request message, test multicast group is added in request；Multicast reception module, for survey to be added
After trying multicast group, the multicast message of the test multicast group of the BRAS forwarding is received；Rate calculation module, for based on reception
The multicast message of the test multicast group arrived calculates network insertion rate.
According to one embodiment of present invention, further, module is added in the multicast, and the server that is also used to and tests the speed is built
Vertical connection obtains the multicast address of the test multicast group and the address of the BRAS from the server that tests the speed.
According to one embodiment of present invention, further, module is added in the multicast, is also used to be added in multicast and request
The multicast address of the test multicast group is added in message, and sends the BRAS for multicast addition request message；Its
In, the BRAS judges that the test multicast group whether there is based on the multicast address of the test multicast group, if it is present
The network element address for sending the multicast addition request message is set to need to receive the multicast message of the test multicast group
Unicast address.
According to one embodiment of present invention, further, for needing to receive the multicast message for testing multicast group
Unicast address, the BRAS configure it is described test multicast group multicast address and the unicast address corresponding relationship, generate
Mapping item；The BRAS matches the multicast address in the multicast message received, the group in the multicast message
Broadcast group address be it is described test multicast group multicast address when, then judge this multicast message test the speed for described in server send survey
Try the multicast message of multicast group；The multicast message for replicating the test multicast group received is obtained according to the mapping item
Unicast address corresponding with the test multicast address of multicast group replaces the test multicast group using the unicast address
Multicast address and forwarding in multicast message.
According to one embodiment of present invention, further, the BRAS forwards institute by searching for singlecast router forwarding table
State the multicast message of test multicast group；The unicast address includes: the network segment of specific unicast address or unicast address.
According to one embodiment of present invention, further, the multicast reception module, for receiving the BRAS forwarding
The server transmission of testing the speed test multicast group multicast message；Rate calculation module, for inscribed based on the unit time
The bit number of the multicast message of the test multicast group received generates test result, the test result include: Mean Speed,
Peak rate.
According to one embodiment of present invention, further, the rate calculation module is also used to and the service of testing the speed
Device establishes TCP connection, sends the server that tests the speed for the result that tests the speed
A kind of network insertion rate test system, comprising: the server that tests the speed, as described above based on the network insertion of multicast
Rate test device.
Network insertion Rate Test Method, apparatus and system based on multicast of the invention, proposing is reduced by multicast
The requirement that a large number of users concurrently tests the speed to test the speed server performance and outlet bandwidth, moves down into BRAS for multicast replication point, avoids
Influence of the backbone network congestion to access bandwidth measurement result, reduces to server performance requirement and the outlet bandwidth requirement of testing the speed,
And the accuracy that tests the speed can be improved.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without any creative labor, also
Other attached drawings can be obtained according to these attached drawings.
Fig. 1 is the process signal of one embodiment of the network insertion Rate Test Method according to the present invention based on multicast
Figure；
Fig. 2 is the module signal of one embodiment of the network insertion rate test device according to the present invention based on multicast
Figure.
Fig. 3 is the deployment schematic diagram of one embodiment of network insertion rate test system according to the present invention.
Specific embodiment
With reference to the accompanying drawings to invention is more fully described, wherein illustrating exemplary embodiment of the present invention.Under
Face will combine the attached drawing in the embodiment of the present invention, and technical scheme in the embodiment of the invention is clearly and completely described, show
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, all other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.Various descriptions are carried out to technical solution of the present invention below with reference to each figure and embodiment.
Fig. 1 is the process signal of one embodiment of the network insertion Rate Test Method according to the present invention based on multicast
Figure, as shown in Figure 1:
Step 101, multicast being sent to BRAS and request message being added, test multicast group is added in request.
Step 102, after test multicast group is added, the multicast message of the test multicast group of BRAS forwarding is received.
Step 103, the multicast message based on the test multicast group received calculates network insertion rate.
Network insertion Rate Test Method based on multicast of the invention is passed the unification of measurement data stream using multicast mode
It is sent to BRAS, multicast group is added when user tests the speed rather than directly from server downloading of testing the speed.
In multicast mode, the sender of information is known as " multicast source ", and information receiver is known as " multicast group " of the information,
The recipient member that same multicast group is added can be widely distributed in from anywhere in network.IGMP can be passed through
(Internet Group Management Protocol, Internet igmpinternet) Mechanism establishing plays the mapping of multicast
Table.
Before sending multicast to BRAS and request message is added, server establishes connection with testing the speed, and from testing the speed, server is obtained
Take the multicast address of test multicast group and the address of BRAS.The multicast that test multicast group is added is added in request message in multicast
Location, and BRAS is sent by multicast addition request message.
BRAS whether there is based on the multicast address judgement test multicast group of test multicast group, if it is present will send
The network element address that request message is added in multicast is set as needing to receive the unicast address of the multicast message of test multicast group.Multicast adds
(Report) message etc. can be reported for IGMP by entering request message, and destination address therein is the multicast address for testing multicast group,
And carry the IP of itself, MAC Address.
For needing to receive the unicast address of the multicast message of test multicast group, BRAS configuration is with testing the multicast of multicast group
The corresponding relationship of location and unicast address generates mapping item.It may include multiple mapping items, each mapping table in mapping table
The multicast address of corresponding different multicast group includes that the address information of unicast, the outgoing interface etc. of distribution are other in mapping item
Information.
BRAS matches the multicast address in the multicast message received, when the multicast group address in multicast message is
Test multicast group multicast address when, then judge this multicast message be test the speed server transmission test multicast group group broadcast
Text.The multicast message for replicating the test multicast group received obtains the multicast address pair with test multicast group according to mapping item
The unicast address answered uses the multicast address in the multicast message of unicast address replacement test multicast group and forwarding.
The destination address of the multicast message received is matched, multicast message is converted by unicast according to matching result
After message, the unicast message after conversion is forwarded, so that test equipment can receive multicast data message.
For the multicast message that the destination address in multicast message matches with preset multicast group address, according to this
Destination address in the corresponding unicast address replacement multicast message of preset multicast group address, when a multicast group address with
When the corresponding relationship of multiple unicast address, according to corresponding relationship existing for each, which is repeatedly replaced respectively
It changes, obtains the multiple messages sent to different unicast address.
For example, the multicast address of test multicast group is 225.1.1.1, having 3 equipment to be respectively as follows: IP is 10.2.2.11's
Equipment 1 needs to receive the content of multicast group 225.1.1.1, and IP is that the equipment 2 of 10.2.2.12 needs to receive multicast group
225.1.1.1 content, IP are that the equipment 3 of 11.2.2.1 needs to receive the content of multicast group 225.1.1.1.BRAS configuration test
The multicast address 225.1.1.1 of multicast group and the corresponding relationship of unicast address 10.2.2.11,10.2.2.12,11.2.2.1.
BRAS replicates the message of the multicast group address 225.1.1.1 received, according to presetting test multicast
The multicast address 225.1.1.1 of group and the corresponding relationship of unicast address 10.2.2.11,10.2.2.12,11.2.2.1, are reported
The replacement of literary destination address, i.e., the message for being multicast group address 225.1.1.1 for message destination address, its destination address is replaced
It is changed to 10.2.2.11,10.2.2.12,11.2.2.1, to obtain 3 unicast messages by 1 multicast message.BRAS searches single
Broadcast route forwarding table, the multicast message of transmitted test multicast group.Unicast address includes: specific unicast address or unicast address
Network segment etc..
The multicast message for receiving the test multicast group of the server transmission of testing the speed of BRAS forwarding, based on receipts in the unit time
The bit number of the multicast message of the test multicast group arrived generates test result, and test result includes: Mean Speed, peak rate
Deng.It establishes TCP etc. with the server that tests the speed to connect, the result that will test the speed is sent to the server that tests the speed.
The network insertion Rate Test Method based on multicast provided through the foregoing embodiment, the server that tests the speed can be deployed in
CR or more than position, as multicast server, multicast group stream rate is constant, and be greater than the maximum signing band of active user
It is wide.Metropolitan Area Network (MAN) plays multicast protocol, and BRAS is converted to unicast as multicast replication point, and by multicast.Client software or terminal hair
It rises to test the speed request and multicast group is added and calculates access bandwidth by certain time downloading data and return to server.
As shown in Fig. 2, the present invention provides a kind of network insertion rate test device 21 based on multicast.Net based on multicast
Network access rate test device 21 includes: that module 211, multicast reception module 212 and rate calculation module 213 is added in multicast.Group
It broadcasts and module 211 is added to Broadband Remote Access Server BRAS transmission multicast addition request message, test multicast group is added in request；
After test multicast group is added, multicast reception module 212 receives the multicast message of the test multicast group of BRAS forwarding.Speedometer
It calculates module 213 and network insertion rate is calculated based on the multicast message of the test multicast group received.
Module 211 is added in multicast and the server that tests the speed establishes connection, and the multicast of test multicast group is obtained from the server that tests the speed
The address of address and BRAS.Multicast is added module 211 and the multicast address that test multicast group is added is added in request message in multicast,
And BRAS is sent by multicast addition request message；BRAS judges whether test multicast group based on the multicast address of test multicast group
In the presence of if it is present setting the group for needing to receive test multicast group for the network element address for sending multicast addition request message
Broadcast the unicast address of text.
Multicast reception module 212 receives the multicast message of the test multicast group of the server transmission of testing the speed of BRAS forwarding.Speed
The bit number of multicast message of the rate computing module 213 based on the test multicast group received in the unit time generates test result,
Test result includes: Mean Speed, peak rate.Rate calculation module 213 and the server that tests the speed establish TCP connection, will test the speed
As a result it is sent to the server that tests the speed.
The present invention provides a kind of network insertion rate test system, comprising: the server that tests the speed, the net based on multicast as above
Network access rate test device.As shown in figure 3, the network insertion rate test device based on multicast can be set in user terminal
In 35 or 36, an independent equipment may be set to be.
The server 31 that tests the speed can be deployed in the position of core router 34 or more, as multicast server, multicast group code
Constant rate is flowed, and is greater than the maximum signing bandwidth of active user.
BRAS32,33 are used as multicast replication point, and multicast is converted to unicast.Network insertion rate test based on multicast
Device and the server 31 that tests the speed establish TCP connection, and to testing the speed, server 31 inquires multicast address.Server 31 test the speed by multicast
Location returns to test device, and multicast group is added in test device application, and starts reception data, the timing since receiving data,
It tests 15 seconds altogether, calculates the bit number received each second as real time rate.After test, calculate the 5th second to the 15th second
Mean Speed and peak rate, and the result that will test the speed returns to the server that tests the speed.
Network insertion Rate Test Method, apparatus and system provided by the above embodiment based on multicast, for existing
Testing the speed, server disposition position is high, multiple high-bandwidth users concurrently test the speed and cause the side such as server low-response and outlet bandwidth congestion
The deficiency in face, proposing reduces the requirement that a large number of users concurrently tests the speed to server performance and outlet bandwidth by multicast, by group
It broadcasts copy-point and moves down into BRAS, backbone network congestion is avoided to reduce to the server that tests the speed the influence of access bandwidth measurement result
Performance requirement and outlet bandwidth requirement, and the accuracy that tests the speed can be improved.
Method and system of the invention may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, firmware any combination realize method and system of the invention.The said sequence of the step of for method is only
In order to be illustrated, the step of method of the invention, is not limited to sequence described in detail above, especially says unless otherwise
It is bright.In addition, in some embodiments, also the present invention can be embodied as to record program in the recording medium, these programs include
For realizing machine readable instructions according to the method for the present invention.Thus, the present invention also covers storage for executing according to this hair
The recording medium of the program of bright method.
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (11)
1. a kind of network insertion Rate Test Method based on multicast characterized by comprising
Multicast being sent to Broadband Remote Access Server BRAS, request message being added, test multicast group is added in request；Wherein, in group
It broadcasts and the multicast address that the test multicast group is added is added in request message and is sent to the BRAS；
After test multicast group is added, the multicast message of the test multicast group of the BRAS forwarding is received；
Multicast message based on the test multicast group received calculates network insertion rate；
It wherein, will if the BRAS judges that the test multicast group exists based on the multicast address of the test multicast group
The network element address for sending the multicast addition request message is set as needing to receive the list of the multicast message of the test multicast group
Broadcast address；The BRAS configures the multicast address of the test multicast group and the corresponding relationship of the unicast address, generates mapping
List item；
When the multicast address in the multicast message received is the multicast address of the test multicast group, then the BRAS judgement
This multicast message be test the speed server transmission test multicast group multicast message；Replicate the test multicast group received
Multicast message obtains unicast address corresponding with the test multicast address of multicast group according to the mapping item, uses institute
State unicast address replace it is described test multicast group multicast message in multicast address and forwarding.
2. the method as described in claim 1, which is characterized in that wrapped being sent before request message is added in multicast to the BRAS
It includes:
Server establishes connection with testing the speed, and obtains the test multicast address of multicast group and described from the server that tests the speed
The address of BRAS.
3. the method as described in claim 1 characterized by comprising
The BRAS forwards the multicast message of the test multicast group by searching for singlecast router forwarding table；
The unicast address includes: the network segment of specific unicast address or unicast address.
4. method according to claim 2 characterized by comprising
Receive the multicast message of the test multicast group of the server transmission of testing the speed of the BRAS forwarding；
The bit number of multicast message based on the test multicast group received in the unit time generates test result, the test
Result includes: Mean Speed, peak rate.
5. method as claimed in claim 4 characterized by comprising
TCP connection is established with the server that tests the speed, sends the server that tests the speed for the test result.
6. a kind of network insertion rate test device based on multicast characterized by comprising
Module is added in multicast, request message is added for sending multicast to Broadband Remote Access Server BRAS, request, which is added, surveys
Try multicast group；
Multicast reception module, the multicast of the test multicast group for after test multicast group is added, receiving the BRAS forwarding
Message；The multicast address of the test multicast group is added in multicast addition request message and is sent to the BRAS；
Rate calculation module calculates network insertion rate for the multicast message based on the test multicast group received；
It wherein, will if the BRAS judges that the test multicast group exists based on the multicast address of the test multicast group
The network element address for sending the multicast addition request message is set as needing to receive the list of the multicast message of the test multicast group
Broadcast address；The BRAS configures the multicast address of the test multicast group and the corresponding relationship of the unicast address, generates mapping
List item；
When the multicast address in the multicast message received is the multicast address of the test multicast group, then the BRAS judgement
This multicast message be test the speed server transmission test multicast group multicast message；Replicate the test multicast group received
Multicast message obtains unicast address corresponding with the test multicast address of multicast group according to the mapping item, uses institute
State unicast address replace it is described test multicast group multicast message in multicast address and forwarding.
7. device as claimed in claim 6, it is characterised in that:
Module is added in the multicast, and the server that is also used to and tests the speed establishes connection, obtains the test from the server that tests the speed
The address of the multicast address of multicast group and the BRAS.
8. device as claimed in claim 7, it is characterised in that:
The BRAS forwards the multicast message of the test multicast group by searching for singlecast router forwarding table；
The unicast address includes: the network segment of specific unicast address or unicast address.
9. device as claimed in claim 7, it is characterised in that:
The multicast reception module, the group of the test multicast group for receiving server transmission of testing the speed described in the BRAS forwarding
Casting text；
The rate calculation module, the bit for the multicast message based on the test multicast group received in the unit time
Number generates test result, and the test result includes: Mean Speed, peak rate.
10. device as claimed in claim 9, it is characterised in that:
The rate calculation module sends the test result to described for establishing TCP connection with the server that tests the speed
Test the speed server.
11. a kind of network insertion rate test system, comprising:
Test the speed server, the network insertion rate test device based on multicast as described in claim 6 to 10 any one.
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| CN101022371A (en) * | 2007-04-06 | 2007-08-22 | 清华大学 | Automatic discovering and managing method for extendable interconnection network measurement server |
| CN101282247A (en) * | 2007-04-27 | 2008-10-08 | 清华大学 | Method for measuring network application performance supporting internet high bandwidth real time video application |
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