CN107147439A - A kind of software definition optical-fiber network Performance Test System and method - Google Patents
A kind of software definition optical-fiber network Performance Test System and method Download PDFInfo
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- CN107147439A CN107147439A CN201710274377.XA CN201710274377A CN107147439A CN 107147439 A CN107147439 A CN 107147439A CN 201710274377 A CN201710274377 A CN 201710274377A CN 107147439 A CN107147439 A CN 107147439A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0773—Network aspects, e.g. central monitoring of transmission parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
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Abstract
The embodiment of the present application provides a kind of software definition optical-fiber network Performance Test System and method, solves the problem of prior art testing scheme is not able to verify that longtime running index, the software definition optical-fiber network Performance Test System includes：Test controller, instrument control agent, data meter.The embodiment of the present invention also includes a kind of software definition optical-fiber network performance test methods, for software definition optical-fiber network Performance Test System described in the application any one embodiment, the connection that wall scroll business can be initiated is set up and deleted, and the connection that can also initiate a plurality of business is set up and deleted.The present invention can be used for verifying the stability in controller During Process of Long-term Operation, reliability this index.
Description
Technical field
The application is related to technical field of photo communication, more particularly to a kind of software definition optical-fiber network performance test system and property
Can method of testing.
Background technology
Concept application and optical-fiber network of the software definition optical-fiber network (SDON) by SDN, build the New Generation Optical net of service-oriented
Network architectural framework.The difference of bottom physics forwarding unit can be shielded by the southbound interface of standard by SDON technologies, is passed through
The controller of centralization realizes the United Dispatching of resource and abstract virtualization, and is carried by flexibly open controller northbound interface
Carry out network configuration and schedule network resources on demand for upper-layer service.It can thus be seen that the controller of centralization is closed as it
The control assembly of key, its network reliability and performance need fully to be verified during network application.By defining control
Device related performance indicators, carry out test assessment to software definition optical-fiber network, can faster promote SDON technologies to be obtained in existing network
Using deployment.
The shortcoming of prior art is, because the message interaction process between domain collaborative multi controller and test controller can not
Whether the business for accurately reflecting bottom-layer network has created success.Whether created successfully, it is necessary to instrument hand-manipulated for business
Transmitted traffic is verified.In addition, for the stability in controller During Process of Long-term Operation, reliability this index, and long-term fortune
Connection creates success rate, mortality these indexs during row, and current method of testing can not be verified.
The content of the invention
The embodiment of the present application provides a kind of software definition optical-fiber network Performance Test System and method, solves prior art test
The problem of scheme is not able to verify that longtime running index, improves the efficiency and reliability of performance test.
The present invention proposes a kind of software definition optical-fiber network Performance Test System, and the software definition optical-fiber network is assisted comprising multiple domain
Same controller, multiple domain controllers, the domain collaborative multi controller pass through controller layer interface and each domain controller phase
Even, each domain controller is connected with an optical transfer network domain or packet optical transfer network domain respectively by southbound interface, described soft
Part, which defines optical-fiber network Performance Test System, to be included：Test controller, instrument control agent, data meter.
The test controller, is created for initiating connection foundation request to the domain collaborative multi controller, receiving connection
Success message；Connection removal request is initiated to the domain collaborative multi controller, receive connection deletion success message；To the instrument
Control agent sends Business Stream initiation, Business Stream and terminates request；Business, which is received, from the instrument control agent stops the logical of transmission
Know.
The instrument control agent, for receiving, the Business Stream of the test controller is initiated, Business Stream terminates request, far
Process control data meter sends, terminates service traffics.
The data meter is connected with optical transfer network domain at least one described or packet optical transfer network domain, described for receiving
The instruction of instrument control agent, sends service traffics to the optical transfer network domain or packet optical transfer network domain or terminates Business Stream
Amount.
Preferably, in the software definition optical-fiber network Performance Test System, the test controller and instrument control
Agency is connected by REST api interfaces.
Preferably, in software definition optical-fiber network formation test system, the instrument control agent is to the data instrument
The instruction that table is sent is at least one comprising TELNET, CLI, HTTP.
The embodiment of the present invention also includes a kind of software definition optical-fiber network performance test methods, real for the application any one
The example software definition optical-fiber network Performance Test System is applied, is comprised the steps of：
Test controller is in T1Moment initiates connection request to create to domain collaborative multi controller；
Test controller is in T2Reception creates success message to the connection fed back from domain collaborative multi controller；
After test controller stand-by period T, send Business Stream initiation, Business Stream to instrument control agent and terminate request, control
Instrument processed initiates Business Stream and terminates Business Stream, and the Business Stream duration is T '；
Test controller is in T3The notice that reception stops sending to the business returned from instrument control agent, Xiang Duo
Domain controller initiates connection removal request；
Test controller is in T4Reception deletes success message to the connection from multiple domain controller.
Further, the software definition optical-fiber network performance test methods, are also comprised the steps of,
After controller stand-by period T ", above-mentioned steps are performed again.
The embodiment further optimized as the application software definition optical-fiber network performance test methods, the test controller
Continuous several times initiate connection request to create to the domain collaborative multi controller, receive connection establishment success message；The test control
Device processed continuously sends a plurality of Business Stream to the instrument control agent and initiates request, Business Stream removal request；The testing and control
Device continuous several times initiate connection removal request to the domain collaborative multi controller, receive connection deletion success message.
Preferably, in software definition optical-fiber network performance test methods described in the embodiment of the present application, T=T "=1.5 × Z；Z=
Y-(T2’-T1’)-(S-X)；Wherein,
T1’：The moment test controller sends connection request to create message to collaborative controller；
T2’：The connection that the moment test controller receives collaborative controller creates success message；
T4’：Before the T1 ' moment, success message is deleted in the connection that test controller receives collaborative controller；
S：From T4' arrive T1', it is test controller waiting time；
X：T4' time delay between service disconnection；
Y：Data meter is continuously sent out under Business Stream condition, the service disconnection duration that instrument monitoring is obtained；
Z：In T2' time delay between moment and business recovery.
It is further preferred that the software definition optical-fiber network performance test methods, T '=3T.
In the embodiment of herein described software definition optical-fiber network performance test methods, Z is calculated in order to simplify, further
Comprise the steps of：Be gradually reduced S values, obtain service creation it is unsuccessful when, obtain S=X.
At least one above-mentioned technical scheme that the embodiment of the present application is used can reach following beneficial effect：The present invention passes through
Test controller and instrument are linked, the business that automatically creates is realized, whether instrument hair flow verification business is successful, delete industry
It is engaged in this flow, by repeating the flow, the stability in controller During Process of Long-term Operation, reliability this index can be entered
Row checking, is conducive to service creation success rate, mortality in comparative analysis During Process of Long-term Operation, to the fortune of different controller systems
Row stability and reliability carry out synthesis judgment.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, this Shen
Schematic description and description please is used to explain the application, does not constitute the improper restriction to the application.In the accompanying drawings：
Fig. 1 is prior art software definition optical-fiber network testing scheme schematic diagram；
Fig. 2 is that invention software defines optical-fiber network Performance Test System embodiment schematic diagram；
Fig. 3 is that invention software defines optical-fiber network performance test methods list service implementation illustration intention；
Fig. 4 is that invention software defines optical-fiber network performance test methods multi-service embodiment schematic diagram；
Fig. 5 is performance test stand-by period obtaining value method schematic diagram.
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described corresponding accompanying drawing.Obviously, described embodiment is only the application one
Section Example, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, belong to the scope of the application protection.
Below in conjunction with accompanying drawing, the technical scheme that each embodiment of the application is provided is described in detail.
Fig. 1 is prior art software definition optical-fiber network testing scheme schematic diagram；At present for checking SDON service creations
Scheme is as shown in Figure 1.Test controller sends service creation to multiple domain controller by restful API northbound interfaces and asked,
Domain collaborative multi controller returns to restful 200ok message to test controller, completes the service interaction stream with test controller
Journey.
Tester is by initiating whether instrument service traffics, the business of checking bottom-layer network create success.
The standardization bodies such as current ONF, IETF conduct a research to the test index and method of testing of controller southbound interface,
Corresponding test index has formd Working Group Draft.
But, in the prior art, due to domain collaborative multi controller to test controller return restful 200ok message
Afterwards, the message interaction process with test controller is completed, but it cannot be guaranteed that the business of bottom-layer network has created success.For
Whether business creates successfully, it is necessary to which instrument transmitted traffic is verified, current technical scheme needs tester to initiate business by hand
Flow, because test process has been interrupted in artificial participation, therefore can only single test checking instrument service creation or deletion stream
Journey.
In addition, for the stability in controller During Process of Long-term Operation, reliability this index, and During Process of Long-term Operation
Middle connection creates success rate, mortality these indexs, and current method of testing can not be verified.
Fig. 2 is that invention software defines optical-fiber network Performance Test System embodiment schematic diagram；
The present invention proposes a kind of software definition optical-fiber network Performance Test System, and the software definition optical-fiber network is assisted comprising multiple domain
Same controller, multiple domain controllers, the domain collaborative multi controller pass through controller layer interface and each domain controller phase
Even, each domain controller is connected with an optical transfer network domain or packet optical transfer network domain respectively by southbound interface, described soft
Part, which defines optical-fiber network Performance Test System, to be included：Test controller, instrument control agent, data meter.
The test controller, is created for initiating connection foundation request to the domain collaborative multi controller, receiving connection
Success message；Connection removal request is initiated to the domain collaborative multi controller, receive connection deletion success message；To the instrument
Control agent sends Business Stream initiation, Business Stream and terminates request；Business, which is received, from the instrument control agent stops the logical of transmission
Know.It should be noted that test controller sends service creation and removal request by northbound interface to domain collaborative multi controller.
The instrument control agent, for receiving, the Business Stream of the test controller is initiated, Business Stream terminates request, far
Process control data meter sends, terminates service traffics.
The data meter is connected with optical transfer network domain at least one described or packet optical transfer network domain, described for receiving
The instruction of instrument control agent, sends service traffics to the optical transfer network domain or packet optical transfer network domain or terminates Business Stream
Amount.
Preferably, in the software definition optical-fiber network Performance Test System, the test controller and instrument control
Agency is connected by REST api interfaces.Test controller is initiated by rest api interfaces to instrument control bandwidth transmitted traffic
Asked with terminating.
Preferably, in software definition optical-fiber network formation test system, the instrument control agent is to the data instrument
The instruction that table is sent is at least one comprising TELNET, CLI, HTTP.Instrument control agent is referred to by telnet, CLI, HTTP etc.
Flow is initiated or terminated to order, remote control instrument.
Fig. 3 is that invention software defines optical-fiber network performance test methods list service implementation illustration intention.The embodiment of the present invention
A kind of software definition optical-fiber network performance test methods are also included, for software definition light net described in the application any one embodiment
Network Performance Test System, is comprised the steps of：
Step 11, test controller are in T1Moment initiates connection request to create to domain collaborative multi controller；
Step 12, test controller are in T2Reception is created to the connection fed back from domain collaborative multi controller successfully to disappear
Breath；
After step 13, test controller stand-by period T, send Business Stream initiation, Business Stream to instrument control agent and terminate
Request, control instrument initiates Business Stream and terminates Business Stream, and the Business Stream duration is T '；
Step 14, test controller are in T3Reception stops the logical of transmission to the business returned from instrument control agent
Know, connection removal request is initiated to multiple domain controller；
Step 15, test controller are in T4Reception deletes success message to the connection from multiple domain controller.
Further, the software definition optical-fiber network performance test methods, are also comprised the steps of
After step 16, controller stand-by period T ", step 11~15 are performed again.
It should be noted that in During Process of Long-term Operation, the connection that can initiate wall scroll business is set up and deleted, and can also be sent out
The connection for playing a plurality of business is set up and deleted.
Fig. 4 is that invention software defines optical-fiber network performance test methods multi-service embodiment schematic diagram.It is soft as the application
Part defines the embodiment that optical-fiber network performance test methods further optimize, and the test controller continuous several times are assisted to the multiple domain
Connection request to create is initiated with controller, receive connection establishment success message；The test controller controls generation to the instrument
Reason continuously sends a plurality of Business Stream and initiates request, Business Stream removal request；The test controller continuous several times are to the multiple domain
Collaborative controller initiates connection removal request, receives connection deletion success message.Specifically, initiate many in the same cycle simultaneously
The flow of bar Business Stream access control device longtime running Stability and dependability is comprised the steps of：
Step 21, test controller are in T11Moment initiates the connection request to create of the 1st article of business to multiregion system controller；
Step 22, test controller are in T12The 1st article of service creation success that reception is returned to domain collaborative multi controller
Message, while initiate the 2nd article of business connection request to create；
Step 23, order send n bars service connection and created, and test controller is in Tn2Reception is to from domain collaborative multi control
The establishment success message of the nth bar business of device processed, completes the visioning procedure of n bar business；
After step 24, test controller stand-by period T, the request of n bar Business Streams, n bar instrument are initiated to instrument control agent
Table Business Stream simultaneously and concurrently after time T ', stops the transmission of the concurrent flow of n bars；
Step 25, in moment T13, the concurrent flow of n bars that test controller receives the transmission of instrument control agent stops sending
Notice after, the removal request of the 1st article of business is sent to domain collaborative multi controller；
Step 26, the deletion flow of N bar business are serially performed, in moment Tn3, test controller receives collaborative controller
The nth bar business of return deletes successful message；
After step 27, test controller stand-by period T ", step 21~26 are performed again, continue to initiate next n bars industry
The flow that business is created, instrument transmitted traffic is verified, n bars business is deleted.
Above-mentioned testing process can set the number of times of repetition in test controller, can also always run up to and stop by hand
Only.
It should be noted that in embodiment flow described in Fig. 3~4, in test controller and collaborative controller message flow
After the completion of journey interaction, in addition it is also necessary to wait a time T or T ", next operation can be continued, this is due to simple disappears
Cease after the completion of interaction flow, can not ensure that business successfully creates success in bottom-layer network, it is therefore desirable to which examination etc. is set
Treat, have ensured that bottom-layer network business is successfully created.
Fig. 5 is performance test stand-by period obtaining value method schematic diagram.In order to during ensureing reliability testing, using the teaching of the invention it is possible to provide
Enough test pressures, the upper limit of test controller performance is, it is necessary to reasonably set T, T as far as possible ' and T ".Above-mentioned 3 moment
Setting may be referred to such as Fig. 5 modes.In Figure 5, test instrumentation transmitted traffic always, test controller initiates connection and deletes stream
Journey, was waited after moment T, is initiated connection visioning procedure, is passed through the time of instrument monitoring service disconnection.
Preferably, in software definition optical-fiber network performance test methods described in the embodiment of the present application, T=T "=1.5 × Z；Z=
Y-(T2’-T1’)-(S-X)；Wherein,
T1’：The moment test controller sends connection request to create message to collaborative controller；
T2’：The connection that the moment test controller receives collaborative controller creates success message；
T3’：Before the T1 ' moment, the moment test controller sends connection deletion request message to collaborative controller；
T4’：Before the T1 ' moment, success message is deleted in the connection that test controller receives collaborative controller；
S：From T4' arrive T1', it is test controller waiting time；
X：T4' time delay between service disconnection；
Y：Data meter is continuously sent out under Business Stream condition, the service disconnection duration that instrument monitoring is obtained；
Z：In T2' time delay between moment and business recovery.
It is further preferred that the software definition optical-fiber network performance test methods, T '=3T.
It may be noted that after the completion of message flow is created, underlay network device completes connection and also needs to wait after moment Z
It is capable of the establishment of finishing service connection.
Here Y is the service disconnection duration drawn by instrument measurement, if flow produces interruption, is sent with instrument
The value of the quantity of flow=instrument packet loss/transmission message rate is weighed.
The Z values that we draw, mainly ensure that signaling process terminated after the Z moment, bottom-layer network is capable of the wound of finishing service
Flow is built or deletes, because by packet capturing, we can draw the signaling time that business is created between controller and equipment, but
After the completion of being signaling, it is impossible to ensure that bottom-layer network can also complete actual service creation, specific device configuration is intersected, business
Issue and be required for the time.Z is exactly to ensure that bottom-layer network being capable of finishing service establishment.
In the embodiment of herein described software definition optical-fiber network performance test methods, Z is calculated in order to simplify, further
Comprise the steps of：Be gradually reduced S values, obtain service creation it is unsuccessful when, obtain S=X.
The Z values that we are drawn by Estimation and Measurement, can be multiplied by a coefficient, further ensure service creation or delete into
Work(, here it is T, which (creates and ensure the stand-by period)=T ", (deletes and ensure the stand-by period)=1.5 times of Z.
T ' is the instrument transmitted traffic checking business whether successful time, and this value can be 3 times of Z, if Z values are too
It is small, fixed intervals, such as 5s can also be arranged to.
It should be noted that the key problem in technology point of the present invention is：Test controller and instrument are linked, realized automatic
Establishment business, whether instrument hair flow verification business successful, delete business this flow, can be to control by repeating the flow
Stability in device During Process of Long-term Operation processed, reliability this index are verified.In addition, rationally setting test controller to wait
At the time of T and T ' method, ensure bottom physical network business successfully can create and delete, while can provide enough
Test pressure, as far as possible test controller performance the upper limit.
It should also be noted that, term " comprising ", "comprising" or its any other variant are intended to nonexcludability
Comprising so that process, method, commodity or equipment including a series of key elements are not only including those key elements, but also wrap
Include other key elements being not expressly set out, or also include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that wanted including described
Also there is other identical element in process, method, commodity or the equipment of element.
Embodiments herein is the foregoing is only, the application is not limited to.For those skilled in the art
For, the application can have various modifications and variations.It is all any modifications made within spirit herein and principle, equivalent
Replace, improve etc., it should be included within the scope of claims hereof.
Claims (10)
1. a kind of software definition optical-fiber network Performance Test System, the software definition optical-fiber network includes domain collaborative multi controller, many
Individual domain controller, the domain collaborative multi controller is connected by controller layer interface with each domain controller, each domain
Controller is connected with an optical transfer network domain or packet optical transfer network domain respectively by southbound interface, it is characterised in that described to survey
Test system includes：Test controller, instrument control agent, data meter；
The test controller, is used for
Connection foundation request, reception connection, which are initiated, to the domain collaborative multi controller creates success message；
Connection removal request is initiated to the domain collaborative multi controller, receive connection deletion success message；
Business Stream initiation, Business Stream, which are sent, to the instrument control agent terminates request；
The notice that business stops sending is received from the instrument control agent；
The instrument control agent, for receiving, the Business Stream of the test controller is initiated, Business Stream terminates request, long-range control
Data meter processed sends, terminates service traffics；
The data meter is connected with optical transfer network domain at least one described or packet optical transfer network domain, for receiving the instrument
The instruction of control agent, sends service traffics to the optical transfer network domain or packet optical transfer network domain or terminates service traffics.
2. software definition optical-fiber network Performance Test System as claimed in claim 1, it is characterised in that the test controller and institute
Instrument control agent is stated by REST api interfaces to be connected.
3. software definition optical-fiber network as claimed in claim 1 formation test system, it is characterised in that the instrument control agent to
The instruction that the data meter is sent is at least one comprising TELNET, CLI, HTTP.
4. a kind of software definition optical-fiber network performance test methods, for software definition light net described in claims 1 to 3 any one
Network Performance Test System, it is characterised in that comprise the steps of：
Test controller is in T1Moment initiates connection request to create to domain collaborative multi controller；
Test controller is in T2Reception creates success message to the connection fed back from domain collaborative multi controller；
After test controller stand-by period T, send Business Stream initiation, Business Stream to instrument control agent and terminate request, controller
Table initiates Business Stream and terminates Business Stream, and the Business Stream duration is T '；
Test controller is in T3The notice that reception stops sending to the business returned from instrument control agent, to multiple domain control
Device processed initiates connection removal request；
Test controller is in T4Reception deletes success message to the connection from multiple domain controller.
5. software definition optical-fiber network performance test methods as claimed in claim 4, it is characterised in that also comprise the steps of
After controller stand-by period T ", perform claim requires step described in 4 again.
6. software definition optical-fiber network performance test methods as claimed in claim 4, it is characterised in that
The test controller continuous several times are initiated connection request to create, reception connection to the domain collaborative multi controller and created into
Work(message；
The test controller continuously sends a plurality of Business Stream initiation request, Business Stream to the instrument control agent and deletes and ask
Ask；
The test controller continuous several times are initiated connection removal request, reception connection to the domain collaborative multi controller and deleted into
Work(message.
7. software definition optical-fiber network performance test methods as claimed in claim 4, it is characterised in that
T=1.5 × Z
Z=Y- (T2’-T1’)-(S-X)
Wherein,
T1’：The moment test controller sends connection request to create message to collaborative controller；
T2’：The connection that the moment test controller receives collaborative controller creates success message；
T4’：In T1' before the moment, success message is deleted in the connection that test controller receives collaborative controller；
S：From T4' arrive T1', it is test controller waiting time；
X：T4' time delay between service disconnection；
Y：Data meter is continuously sent out under Business Stream condition, the service disconnection duration that instrument monitoring is obtained；
Z：In T2' time delay between moment and business recovery.
8. software definition optical-fiber network performance test methods as claimed in claim 5, it is characterised in that
T "=1.5 × Z
Z=Y- (T2’-T1’)-(S-X)
Wherein,
T1’：The moment test controller sends connection request to create message to collaborative controller；
T2’：The connection that the moment test controller receives collaborative controller creates success message；
T4’：In T1' before the moment, success message is deleted in the connection that test controller receives collaborative controller；
S：From T4' arrive T1', it is test controller waiting time；
X：T4' time delay between service disconnection；
Y：Data meter is continuously sent out under Business Stream condition, the service disconnection duration that instrument monitoring is obtained；
Z：In T2' time delay between moment and business recovery.
9. software definition optical-fiber network performance test methods as claimed in claim 7, it is characterised in that
T '=3T.
10. the software definition optical-fiber network performance test methods as described in claim 7~9 any one, it is characterised in that further
Comprise the steps of
Be gradually reduced S values, obtain service creation it is unsuccessful when, obtain S=X.
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| 荆瑞泉，张成良: "层次化软件定义光网络原型系统开发与试验演示", 《电信科学（万方数据）》 * |
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| CN107147439B (en) | 2019-07-30 |
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