CN106789360A - A kind of DNS flow simulations system - Google Patents
A kind of DNS flow simulations system Download PDFInfo
- Publication number
- CN106789360A CN106789360A CN201710081381.4A CN201710081381A CN106789360A CN 106789360 A CN106789360 A CN 106789360A CN 201710081381 A CN201710081381 A CN 201710081381A CN 106789360 A CN106789360 A CN 106789360A
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- dns
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- query message
- test
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
-
- 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
Abstract
This application discloses a kind of DNS flow simulations system, the DNS flow simulations system includes controller and multiple simulators, the multiple simulators being located in multiple servers can be utilized to send DNS query message flow to the dns server, solve the problems, such as to be limited to the performance of single client program and be difficult to apply sufficiently large pressure to dns server；The maximum acceptable query flows of dns server under gigabit environmental applications scene can be simulated according to actual conditions, the purpose of the effective assessment to the performance of dns server is realized.And the controller configuration information that the controller is obtained is different, the just difference of the DNS query message flow that the multiple simulators under controller control send to the dns server, the customization of DNS query message flow is convenient, the client query situation of Various Complex can be customized and simulate, so as to realize simulating the purpose of real variation business scenario.
Description
Technical field
The application is related to network traffics technical field of measurement and test, more specifically to a kind of DNS flow simulations system.
Background technology
DNS (Domain Name System, domain name system), is as domain name and IP address (Internet on internet
Protocol Address, Internet protocol address) the mutual distributed data base for mapping, user can be made more easily
Internet is accessed, without spending the IP number strings for remembeing to be directly read by machine.DNS is the infrastructure service of internet, mainly
Provide the user inquiry analytical capabilities.
Dns server is important composition in DNS, is tested for dns server, to obtain reflection dns server
The test report of performance and load capacity is the important means for understanding dns server quality.Dns server is entered in the prior art
Row test generally needs to simulate the User behavior of multiple client, constantly sends the DNS being made up of substantial amounts of DNS query message
Query message flows to dns server, and count and monitoring dns server disposal ability, to generate test report.But it is limited
In the performance of client-side program, it is difficult to apply sufficiently large pressure to dns server, it is impossible to simulate gigabit environmental applications scene
The maximum acceptable query flows of lower dns server, it is impossible to which the performance to dns server is effectively assessed, so as to lose
The meaning tested dns server.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of DNS flow simulations system, to realize to dns server
Apply sufficiently large pressure, simulate the purpose of the maximum acceptable query flows of dns server under gigabit environmental applications scene.
To realize above-mentioned technical purpose, following technical scheme is the embodiment of the invention provides：
A kind of DNS flow simulations system, for dns server test, the DNS flow simulations system includes：Controller
With multiple simulators；Wherein,
The controller is used to start the multiple simulator, acquisition and parsing controller configuration information, obtains controller
Configuration parameter and each simulator configuration parameter, and each simulator configuration parameter is sent to the corresponding simulator, and
Test statisticses information for receiving the multiple simulator, and according to the test statisticses information generation test report for receiving
Accuse；
The multiple simulator is distributed in multiple servers, for receiving each self-corresponding simulator configuration ginseng
Number, and DNS query message is generated according to the simulator configuration parameter flow to the dns server and send, and for count to
The message information that the DNS query message information and the dns server that the dns server sends send, obtains the test
Statistical information sends to the controller.
Optionally, the controller configuration parameter includes：Controller IP, director port and test report storing path.
Optionally, the simulator configuration parameter includes：Simulator IP, simulator port, deployment path and multithreading stream
Amount analog parameter.
Optionally, the controller includes configuration module, deployment module, communication module and report generation module；Wherein,
The configuration module is used to obtain and parse the controller configuration information, obtains controller configuration parameter and Ge Mo
Intend device configuration parameter；
The deployment module is used to start the multiple simulator and send corresponding simulator to each simulator to match somebody with somebody
Put the multithreading flow simulation parameter in parameter；
The communication module is used to receive the test statisticses information of each simulator transmission and be sent to the report
Accuse generation module；
The test statisticses information that the report generation module is used to be sent according to each simulator generates test report.
Optionally, the simulator includes：Flow simulation module, multithread scheduling module and communication control module；Wherein,
The communication control module is used to receive the multithreading flow simulation parameter, and for being sent to the controller
The test statisticses information；
The multithread scheduling module is used to generate multiple flow simulation threads according to the multithreading flow simulation parameter,
And the transmission state of the DNS query message according to each flow simulation thread of the multithreading flow simulation state modulator, and
For the message information that the DNS query message information and the dns server that collect each flow simulation thread transmission send,
Obtain the test statisticses information；
The flow simulation module is used to generate each flow simulation thread according to the multithreading flow simulation parameter
DNS query message flow.
Optionally, the simulator also includes：
Statistical module, the test information for recording each flow simulation thread；
The test information includes：The request content of DNS query message, simulator IP, simulator port, dns server
IP, dns server port, the transmission frequency of DNS query message, the frequency of dns server reception DNS query message and sum,
Dns server sends frequency and sum, the test time started and test end time of message information.
Optionally, the DNS query message information includes：The transmission of the quantity and DNS query message of DNS query message is frequently
Rate.
From above-mentioned technical proposal as can be seen that the embodiment of the invention provides a kind of DNS flow simulations system, the DNS
Flow simulation system includes controller and multiple simulators, it is possible to use the multiple simulators in multiple servers are to described
Dns server sends DNS query message flow, solves the performance that is limited to single client program and is difficult to dns server
Apply the problem of sufficiently large pressure；Dns server is most under gigabit environmental applications scene can be simulated according to actual conditions
Query flows acceptable greatly, realize the purpose of the effective assessment to the performance of dns server.And the control that the controller is obtained
Device configuration information processed is different, the DNS query report that the multiple simulators under controller control send to the dns server
The just difference of text stream, the customization of DNS query message flow is convenient, can customize and simulate the client query situation of Various Complex,
So as to realize simulating the purpose of real variation business scenario.
Further, the simulator can count the test statisticses information and be sent to the controller, by described
Controller generates test report according to the test statisticses information for receiving, so as to realize taking multiple simulators and the DNS
The statistics of the transmitting-receiving situation of business device.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
A kind of structural representation of DNS flow simulations system that Fig. 1 is provided for one embodiment of the application；
A kind of structural representation of DNS flow simulations system that Fig. 2 is provided for another embodiment of the application；
A kind of structural representation of DNS flow simulations system that Fig. 3 is provided for another embodiment of the application.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the present application provides a kind of DNS flow simulations system, as shown in figure 1, for dns server test, institute
Stating DNS flow simulation systems includes：Controller 100 and multiple simulators 200；Wherein,
The controller 100 is used to start the multiple simulator 200, obtains and the parsing configuration information of controller 100, obtains
The configuration parameter of controller 100 and the configuration parameter of each simulator 200, and each configuration parameter of the simulator 200 is sent to it is right
The simulator 200 answered, and for receiving the test statisticses information of the multiple simulator 200, and according to receiving
Test statisticses information generates test report；
The multiple simulator 200 is distributed in multiple servers, is matched somebody with somebody for receiving each self-corresponding simulator 200
Parameter is put, and DNS query message is generated according to the configuration parameter of the simulator 200 and flow to the dns server transmission, and be used for
The message information of the DNS query message information and dns server transmission sent to the dns server is counted, institute is obtained
Test statisticses information is stated to be sent to the controller 100.
It should be noted that the DNS flow simulations system can utilize the multiple simulators being located in multiple servers
200 send DNS query message flow to the dns server, solve the performance that is limited to single client program and be difficult to
Dns server applies the problem of sufficiently large pressure；DNS takes under gigabit environmental applications scene can be simulated according to actual conditions
The maximum acceptable query flows of business device, realize the purpose of the effective assessment to the performance of dns server.And the controller
100 configuration informations of controller 100 for obtaining are different, and the multiple simulators 200 under the control of the controller 100 are to the DNS
The just difference of the DNS query message flow that server sends, the customization of DNS query message flow is convenient, can customize and simulate and be various
Complicated client query situation, so as to realize simulating the purpose of real variation business scenario.
Further, the simulator 200 can count the test statisticses information and be sent to the controller 100,
Test report is generated according to the test statisticses information for receiving by the controller 100, so as to realize to multiple simulators 200
With the statistics of the transmitting-receiving situation of the dns server.
On the basis of above-described embodiment, in one embodiment of the application, the configuration parameter bag of the controller 100
Include：Controller IP, director port and test report storing path.
Wherein, the controller IP and director port are used to realize the controller 100 with each simulator 200
Communication；The test report storing path is used to preserve the test report.
On the basis of above-described embodiment, in another embodiment of the application, the configuration parameter bag of the simulator 200
Include：Simulator IP, simulator port, deployment path and multithreading flow simulation parameter.
Likewise, the simulator IP and simulator port are used to realize the simulator 200 with the controller 100
Communication；The deployment path is used to configure the installation path of the simulator 200, is easy to 100 pairs of simulations of the controller
Device 200 carries out startup control；The multithreading flow simulation parameter is generated and to the DNS for configuring the simulator 200
The DNS query message flow that server sends.
On the basis of above-described embodiment, in another embodiment of the application, as shown in Fig. 2 the controller 100
Including configuration module 110, deployment module 120, communication module 130 and report generation module 140；Wherein,
The configuration module 110 is used to obtain and parse the configuration information of the controller 100, obtains controller 100 and configures
Parameter and the configuration parameter of each simulator 200；
The deployment module 120 is used to start the multiple simulator 200 and send corresponding to each simulator 200
Multithreading flow simulation parameter in the configuration parameter of simulator 200；
The communication module 130 is used to receive the test statisticses information of each transmission of the simulator 200 and be sent to
The report generation module 140；
The test statisticses information that the report generation module 140 is used to be sent according to each simulator 200 generates test
Report.
The simulator 200 includes：Flow simulation module 210, multithread scheduling module 220 and communication control module 230；
Wherein,
The communication control module 230 is used to receive the multithreading flow simulation parameter, and for the controller
100 send the test statisticses information；
The multithread scheduling module 220 is used to generate multiple flow simulation lines according to the multithreading flow simulation parameter
Journey, and the DNS query message according to each flow simulation thread of the multithreading flow simulation state modulator transmission state,
Believe with for collecting the message that the DNS query message information and the dns server of each flow simulation thread transmission send
Breath, obtains the test statisticses information；
The flow simulation module 210 is used to generate each flow simulation line according to the multithreading flow simulation parameter
The DNS query message flow of journey.
It should be noted that the flow simulation module 210 is according to multithreading flow simulation parameter generation is each
The process of the DNS query message flow of flow simulation thread mainly include to the IP of each flow simulation thread and port configuration,
The configuration of the configuration of DNS query message content, DNS query message transmission frequency and sum.
Specifically, to the flow simulation thread IP and port configuration includes：
A：Source IP and source port are configured：This two are option, and acquiescence value is the machine IP, 1000 ports.IP and end
Two kinds of configuration modes are supported in mouth configuration：1st, fixed source IP and source port is configured；2nd, the random scope of source IP and source port is formulated.
Wherein, the random scope of configuration source IP and source port can simulate multiple queries client and initiate to inquire about to dns server.
B：Purpose IP and destination interface are configured：Purpose IP must be formulated, and destination interface is option, and acquiescence value is 53 ends
Mouthful.
Content configuration to DNS query message includes：
A：Configuration to the sending method of DNS query message：The sending method of the DNS query message can be TCP, also
Can be UDP.Wherein, the configuration of following various modes is supported under TCP modes：One DNS query of TCP linkup transmit please
Ask, a TCP linkup transmits multiple DNS query request；One DNS query request is sent by a TCP message, a DNS
Inquiry is sent by multiple TCP messages；TCP communication process only sends out packet and does not receive packet, and a TCP communication process was both
Packet is sent, packet is received again.
B：Content configuration to DNS query message：Daily record playback is supported, the DNS query daily record of standard is parsed, constructed identical
DNS query flow；Support scope (configurable inquiry contents list or the configuration random model of domain name of configuration DNS query content
Enclose)；Support the DNS query message content of configuration hexadecimal format.
Configuration to each flow simulation thread DNS query message transmission frequency and sum includes：
A：Traffic frequency：The configuration quantity for sending DNS query message per second；When configuring the interval of adjacent DNS query message
Between；
B：Flow total amount：The transmission time of whole DNS query message flow is configured, in the DNS query message flow that configuration sends
The total number of DNS query message.
On the basis of above-described embodiment, in a preferred embodiment of the application, as shown in figure 3, the simulator
200 also include：
Statistical module 240, the test information for recording each flow simulation thread；
The test information includes：The request content of DNS query message, simulator IP, simulator port, dns server
IP, dns server port, the transmission frequency of DNS query message, the frequency of dns server reception DNS query message and sum,
Dns server sends frequency and sum, the test time started and test end time of message information.
It should be noted that it is described test the time started can be the controller 100 start the simulator 200 when
Quarter, or the controller 100 obtain the time of the configuration information of the controller 100, can also be the simulator 200
Start the moment to dns server transmission DNS query message.The test end time can be the simulator 200
The moment that DNS query message flow is completed is sent to the dns server, can also be the dns server to the simulator
The moment that 200 message informations for sending are completed.The application is not limited this, specific depending on actual conditions.
On the basis of above-described embodiment, in another preferred embodiment of the application, the DNS query message information
Including：The quantity of DNS query message and the transmission frequency of DNS query message.
In sum, the embodiment of the present application provides a kind of DNS flow simulations system, the DNS flow simulations system bag
Include controller 100 and multiple simulators 200, it is possible to use the multiple simulators 200 in multiple servers take to the DNS
Business device sends DNS query message flow, solves the performance that is limited to single client program and is difficult to apply foot to dns server
The problem of enough big pressure；The maximum that dns server under gigabit environmental applications scene can be simulated according to actual conditions can connect
By query flows, the purpose of the effective assessment to the performance of dns server is realized.And the control that the controller 100 is obtained
The configuration information of device 100 is different, what the multiple simulators 200 under the control of the controller 100 sent to the dns server
The just difference of DNS query message flow, the customization of DNS query message flow is convenient, can customize and simulate the client of Various Complex
Request for information, so as to realize simulating the purpose of real variation business scenario.
Further, the simulator 200 can count the test statisticses information and be sent to the controller 100,
Test report is generated according to the test statisticses information for receiving by the controller 100, so as to realize to multiple simulators 200
With the statistics of the transmitting-receiving situation of the dns server.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (7)
1. a kind of DNS flow simulations system, it is characterised in that for dns server test, the DNS flow simulations system bag
Include：Controller and multiple simulators；Wherein,
The controller is used to start the multiple simulator, acquisition and parsing controller configuration information, obtains controller configuration
Parameter and each simulator configuration parameter, and each simulator configuration parameter is sent to the corresponding simulator, and be used for
The test statisticses information of the multiple simulator is received, and test report is generated according to the test statisticses information for receiving；
The multiple simulator is distributed in multiple servers, for receiving each self-corresponding simulator configuration parameter, and
DNS query message is generated according to the simulator configuration parameter and flows to the dns server transmission, and for counting to described
The message information that the DNS query message information and the dns server that dns server sends send, obtains the test statisticses
Information sends to the controller.
2. DNS flow simulations system according to claim 1, it is characterised in that the controller configuration parameter includes：Control
Device IP processed, director port and test report storing path.
3. DNS flow simulations system according to claim 1, it is characterised in that the simulator configuration parameter includes：Mould
Intend device IP, simulator port, deployment path and multithreading flow simulation parameter.
4. DNS flow simulations system according to claim 3, it is characterised in that the controller includes configuration module, portion
Administration's module, communication module and report generation module；Wherein,
The configuration module is used to obtain and parse the controller configuration information, obtains controller configuration parameter and each simulator
Configuration parameter；
The deployment module is used to start the multiple simulator and sends corresponding simulator configuration ginseng to each simulator
Multithreading flow simulation parameter in number；
The communication module is used to receive the test statisticses information of each simulator transmission and is sent to the report life
Into module；
The test statisticses information that the report generation module is used to be sent according to each simulator generates test report.
5. DNS flow simulations system according to claim 4, it is characterised in that the simulator includes：Flow simulation mould
Block, multithread scheduling module and communication control module；Wherein,
The communication control module is used to receive the multithreading flow simulation parameter, and for sending described to the controller
Test statisticses information；
The multithread scheduling module is used to generate multiple flow simulation threads, and root according to the multithreading flow simulation parameter
According to the transmission state of the DNS query message of each flow simulation thread of the multithreading flow simulation state modulator, and it is used for
Collect the message information that the DNS query message information and the dns server of each flow simulation thread transmission send, obtain
The test statisticses information；
The flow simulation module is used to be generated according to the multithreading flow simulation parameter DNS of each flow simulation thread
Query message stream.
6. DNS flow simulations system according to claim 5, it is characterised in that the simulator also includes：
Statistical module, the test information for recording each flow simulation thread；
The test information includes：The request content of DNS query message, simulator IP, simulator port, dns server IP,
Dns server port, the transmission frequency of DNS query message, the frequency of dns server reception DNS query message and sum, DNS
Server sends frequency and sum, the test time started and test end time of message information.
7. DNS flow simulation systems according to claim any one of 1-6, it is characterised in that the DNS query message letter
Breath includes：The quantity of DNS query message and the transmission frequency of DNS query message.
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| CN108900654A (en) * | 2018-08-04 | 2018-11-27 | 中国人民解放军战略支援部队信息工程大学 | A kind of DNS dynamic dispatching method based on mimicry name server |
| CN110098978A (en) * | 2019-04-12 | 2019-08-06 | 网宿科技股份有限公司 | A kind of test method, device and the network equipment of DNS scheduling |
| CN112398694A (en) * | 2020-11-18 | 2021-02-23 | 互联网域名系统北京市工程研究中心有限公司 | Flow detection system, method and storage medium |
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Application publication date: 20170531 |
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