CN103441955B - A kind of test system and method for testing for being used to test dynamic bandwidth allocation device - Google Patents
A kind of test system and method for testing for being used to test dynamic bandwidth allocation device Download PDFInfo
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- CN103441955B CN103441955B CN201310347820.3A CN201310347820A CN103441955B CN 103441955 B CN103441955 B CN 103441955B CN 201310347820 A CN201310347820 A CN 201310347820A CN 103441955 B CN103441955 B CN 103441955B
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Abstract
The invention discloses a kind of test system and method for testing for being used to test dynamic bandwidth allocation device, belong to a kind of network equipment detection technology, wherein, test system is connected with test accessory；Test system includes：Memory module, memory module are stored with prefabricated command script；Setup module, setup module are used to input configuration parameter；Execution module, execution module is used for call instruction script, and sends control instruction to test accessory according to command script and configuration parameter；Feedback module, feedback module are used to feed back the test data obtained in test accessory to test system.The beneficial effects of the invention are as follows：Console instrument can be replaced to complete the configuration of test environment；And the free time of equipment is sufficiently make use of, effectively increases the reliability of test；By calling script to carry out unified arrangement to test result and exporting, testing efficiency greatly improved.
Description
Technical field
The present invention relates to a kind of network equipment detection technology, more particularly to a kind of it is used to test dynamic bandwidth allocation device
Test system and method for testing.
Background technology
With the rapid development of the communication technology, backbone network, LAN make rapid progress.Backbone network typically uses optical fiber structure,
Transmission speed is fast.And relative, " last one kilometer " of the access network as whole network, its bandwidth is but into restriction network Development
Bottleneck.Especially as video conference, video request program, visual telephone etc. have high requirement for bandwidth and networked-induced delay
The extensive use of emerging network business, this problem is highlighted further.Therefore for network " last one kilometer ", how fully
Using Internet resources, improve service quality turns into everybody focus of concern.
Solve at present one of means of the problem be introduce EPON (Passive Optical Networks,
PON).Wherein, EPON (the Ethernet Passive Optical based on Ethernet as one of direction
Networds, EPON) due to having the advantages that transmission frequency bandwidth, capacity are big, low in energy consumption, cost is low, highly reliable turning into main flow
One of direction.As Dynamic Bandwidth Allocation (Dynamic Bandwidth Allocate, DBA) technology of its core technology, directly
Connect the quality for having influence on EPON network performances.
DBA marks according to logical links（Logical Link Identifier, LLID）The queue state information of report point
With bandwidth authorizing, system uplink bandwidth availability ratio can be improved in EPON system and ensures business fairness and Service Quality
Amount.DBA supports three kinds of distribution bandwidth types：Fixed-bandwidth（Fixed Bandwidth）, fixed-bandwidth be keep for completely it is specific
ONU or ONU specific transactions；Ensure bandwidth（Assured Bandwidth）, it is to ensure band obtained by ONU to ensure bandwidth
It is wide；Do one's best bandwidth（Best Effort Bandwidth）, when the bandwidth on EPON interfaces is not by other high priorities
When business takes, this fractional bandwidth can be distributed to corresponding ONU and used by DBA.DBA should support above-mentioned three kinds of bandwidth types
Combination, i.e., ONU specific to one, using the teaching of the invention it is possible to provide Fixed+Assured, Fixed+BestEffort, Fixed+
The business of the various bandwidth type combination such as Assured+BestEffort, Assured+Best Effort.DBA is for improving
Service quality, improving the performance indications such as Time Delay of Systems and ethernet frame Loss Rate has great significance.
At present, in DBA test process, tester is tested usually using the instrument based on console.Control
Platform connects OLT by RS232 or Telnet modes, uses Cmd Shell（CUI）Mode complete Devices to test
（Deviceundertesting, DUT）And the configuration of the auxiliary prefabricated conditions of ONU.Meanwhile use a kind of software of graphical interfaces
（IxiaIxplorer）To data Network Analyzer（ixia）The configuration of prefabricated condition is carried out, and according to survey by way of manual
The rapid order of try performs.After the collection of actual test data is completed by using IxiaIxplorer, manual mode is used
Contrast test data and anticipatory data and then judge test result, draw test result.
When test event is less and does not need tester to repeat, it is pre- that DBA tests can be done manually
The output of condition processed, testing procedure and test result.But repeat DBA tests when there is thousands of project to need
When, DBA test job will become extremely cumbersome, and efficiency is low, and can also be due to the difference of concrete condition so that test
The difference that personnel are understood performing the step of testing, the test data to return, the judgement to result etc., finally results in survey
There is difference in test result.The shortcomings that existing measuring technology, is：
（1）Connection with OLT device needs to use console instrument, so is required for repeating to open before test every time
Operation；
（2）Prefabri cation configuration needs tester to use CUI manual configurations, to do repetition configuration every time；
（3）The execution of testing procedure needs tester to be performed according to use-case, it is necessary to be set in data network analyzer and OLT
Configuration is toggled between standby, OLT device is idle when configuration data Network Analyzer, or data network during configuration OLT device
Network analyzer is idle.Equipment free time increases, thus wastes test resource；
（4）Test data for the output of data network analyzer is, it is necessary to which tester understands that analysis judges according to individual
As a result.Therefore, it is larger to the subjective dependence of tester, so that the reliability of test can be affected；
（5）Output for test result is, it is necessary to tester often tests a manually recorded test result, work
Seem that repetition is poorly efficient.
The content of the invention
For techniques discussed above problem, the invention provides a kind of test for being used to test dynamic bandwidth allocation device
System and method of testing, to effectively improve the testing efficiency to DBA tests, test resource utilization rate and testing reliability.
Concrete technical scheme is as follows：
A kind of test system for being used to test dynamic bandwidth allocation device, wherein, the test system is set with test auxiliary
Standby connection；The test system includes：
Memory module, the memory module are stored with prefabricated command script；
Setup module, the setup module are used to input configuration parameter；
Execution module, the execution module are used to call the command script, and according to the command script and described match somebody with somebody
Put parameter and send control instruction to the test accessory；
Feedback module, the feedback module are used to feed back what is obtained in the test accessory to the test system
Test data.
Preferably, the setup module also includes test item setting unit, and the test item setting unit, which is used to set, to be surveyed
Try item；The test item includes Dynamic Bandwidth Allocation corresponding to bandwidth allocation composite type and the bandwidth allocation composite type
Precision.
Preferably, the setup module also includes test connection setting unit, and the test connection setting unit is used to set
Put the configuration parameter of the test accessory.
Preferably, the feedback module includes：
Comparison unit, the comparison unit are used to contrast the test data and default in the expection in the memory module
Data, obtain test result；
Lead-out unit, the lead-out unit are used to export the test data and the test result, form test knot
Fruit statistical form；
Display unit, the display unit are used for the display that the test result statistical form is shown in the test system
Interface.
Preferably, the test accessory includes OLT device, and ONU equipment, optical splitter and network data analysis are set
It is standby；
The network data analysis equipment connects with the OLT device, the ONU equipment and the test system respectively
Connect；The OLT device is connected with the ONU equipment and the dynamic bandwidth allocation device respectively by the optical splitter；Institute
Test system is stated to be connected with the OLT device.
Preferably, the prefabricated command script includes：
For connecting the connection script of the network data analysis equipment；
For initializing the initializtion script of the OLT device；
For realizing what is carried out data transmission between the test system and the test accessory in a manner of recognizable
Transmit script；
For controlling testing procedure order to perform and obtain the control of test data in the network data analysis equipment
Script.
A kind of method of testing for being used to test dynamic bandwidth allocation device, wherein, the method for testing will by such as right
The test system described in 1 is asked to implement, the method for testing comprises the following steps：
Step 1. generates configuration parameter by the setup module；
Execution module described in step 2. calls the command script, and according to the command script and the configuration parameter to
The test accessory sends test instruction；
Feedback module described in step 3. feds back through the test data of test accessory acquisition to the test system.
Preferably, specifically included in the step 1：
Step 11. sets test item by a test item setting unit of the setup module；
Step 12. sets the configuration of the test accessory to join by a test connection setting unit of the setup module
Number.
Preferably, specifically included in the step 2：
Execution module described in step 21. is called in transmission a script, with the test accessory of the command script
OLT device and ONU equipment establish connection, and according to the configuration parameter inputted in the step 12, in a predetermined format to institute
State test accessory and send instruction；
Execution module described in step 22. calls an initializtion script of the command script, passes through the initializtion script
Quote the transmission script and initial configuration is carried out to the OLT device；
Execution module described in step 23. calls a connection pin sheet of the command script, connects the test accessory
In network data analysis equipment；
Execution module described in step 24. calls a control Script controlling test process of the command script, and obtains institute
State the test data in network data analysis equipment.
Preferably, specifically comprise the following steps in the step 3：
A contrast module in feedback module described in step 31. contrasts the test data and defaults in the memory module
In anticipatory data, obtain test result；
An export module in feedback module described in step 32. exports the test data and the test result, shape
Into test result statistical form；
The test result statistical form is shown in the test and is by the display module in feedback module described in step 33.
The display interface of system.
The beneficial effects of the invention are as follows：
By a kind of test system and method for testing for being used to test dynamic bandwidth allocation device of the present invention, need to only pass through
Call test command script can to replace console instrument to complete the configuration of test environment, and sufficiently make use of equipment
Free time, data network analytical equipment and OLT device can be used simultaneously substantially, test resource is rationally utilized.Together
When, by default expected data compared with test data, carry out result judgement so that test script is performed with very high
Objectivity, effectively increase the reliability of test.In addition, by calling script to carry out unified arrangement to test result and exporting,
Tester is checked test result by simple operations can, testing efficiency greatly improved.
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
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of structure for being used to test a kind of embodiment of the test system of dynamic bandwidth allocation device of the present invention
Schematic diagram；
Fig. 2 is a kind of network for being used to test a kind of embodiment of the test system of dynamic bandwidth allocation device of the present invention
Link topology；
Fig. 3 is a kind of flow for being used to test a kind of embodiment of the method for testing of dynamic loan distributing equipment of the present invention
Schematic diagram；
Fig. 3 includes test system 1, and OLT device 2, network data analysis equipment 3, dynamic bandwidth allocation device 4, ONU is set
Standby 5, optical splitter 6.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, but not as limiting to the invention.
A kind of test system for being used to test dynamic bandwidth allocation device is disclosed in a kind of embodiment of the present invention.Such as figure
Shown in 1, test system is connected with test accessory.Wherein test system includes being stored with the storage mould of prefabricated command script
Block；For inputting the setup module of configuration parameter；For call instruction script, and according to command script and configuration parameter to test
Auxiliary equipment sends the execution module of control instruction；For feding back through the test number of test accessory acquisition to test system
According to feedback module.In a kind of embodiment, above-mentioned testing execution module can supply operator including 3 options
Member's selection：Submit, start, pause, wherein the initialization for calling script to complete test environment configuration after submitting option triggering；Start
Script is called to perform testing procedure after option triggering；Suspend test after suspending option triggering.
On the basis of above-mentioned technical proposal, test accessory includes OLT device, ONU equipment and network data point
Desorption device.As shown in Fig. 2 network data analysis equipment 3 is connected with OLT device 2, ONU equipment 5 and test system 1 respectively；
OLT device 2 by optical splitter 6 respectively with ONU equipment 5 and dynamic bandwidth allocation device 4, i.e. Devices to test（DUT）Connection；Survey
Test system 1 is connected with OLT device 2.According to network connection topological diagram as shown in Figure 2, that is, complete the hardware connection of test environment.
In a kind of optional embodiment, above-mentioned network data analysis equipment 3 can be IXIA network data analysis equipment.
In another optional embodiment, the connection of above-mentioned test system 1 and OLT device 2 can be connected by using console
Wiring and OLT device 2 realize connection and control or realize and the connection of OLT device 2 and OLT is set by telnet
Standby 2 control.
On the basis of above-mentioned technical proposal, setup module also includes test item setting unit.Test item setting unit is used
In setting test item.Wherein, test item includes bandwidth allocation composite type.The type of distribution combination can be fixed-bandwidth
（FixedBandwidth）, or ensure bandwidth（AssuredBandwidth）, or maximum bandwidth（MaximumBandwidth）, or
Fixed-bandwidth（FixedBandwidth）+ maximum bandwidth（MaximumBandwidth）, or ensure bandwidth
（AssuredBandwidth）+ maximum bandwidth（MaximumBandwidth）, or fixed-bandwidth（FixedBandwidth）+ ensure
Bandwidth（AssuredBandwidth）+ maximum bandwidth（MaximumBandwidth）Etc. various bandwidth type or the group of bandwidth types
Close.Further, it is additionally included in test item under each bandwidth allocation composite type, corresponding dynamic is combined with each bandwidth allocation
Bandwidth allocation precision.General DBA minimum bandwidth allocation granularity may be configured as being more than 256kbit/s, and minimum bandwidth may be configured as
No more than 512kbit/s, precision is better than ± 5%.More particularly, each bandwidth allocation combination is additionally included in above-mentioned test item
Test byte number under type.Test byte number can set 7 options to carry out option and installment for use by the mode chosen：64、
128th, 256 it is, 512,1024,1518, random.
On the basis of above-mentioned technical proposal, setup module also includes test connection setting unit, and test connection sets single
Member is used for the parameter for setting test accessory.In a kind of embodiment, mainly set including network data analysis equipment
Put, OLT device is set, ONU equipment sets three parts.Further, network data analysis equipment, which is set, needs to generate network
The parameters such as DAF IP address, network data analysis device board card number, network data analysis device port connection state
Value；OLT device sets the IP address for needing to set OLT, and OLT upper united mouths connection state, OLTpon mouths connection state, OLT are logged in
The parameter values such as account.ONU, which is set, needs the parameter values such as generation ONUid, ONU models, ONU templates number.
On the basis of above-mentioned technical proposal, feedback module includes being used for contrast test data and defaulted in memory module
Anticipatory data, obtain the comparison unit of test result.Also include being used to export test data and test knot in feedback module
Fruit, form the lead-out unit of test result statistical form.In a kind of embodiment, in test item and test item setting unit
Default test item is corresponding, it is indicated which test is test data and test result below belong to, and test data can include
Each bandwidth allocation composite type set in test item setting unit, Dynamic Bandwidth Allocation precision, test byte number, and net
Content, the test result such as each port uplink traffic of network DAF and the statistical information of downlink traffic show this test
Success or failure, judge the result that draws corresponding to by comparison unit.Lead-out unit can be by test item, test data and survey
Test result forms a test result statistical form and is stored in above-mentioned memory module.Further, above-mentioned feedback module is also
Include the display unit of the display interface for test result statistical form to be shown in test system.Display unit is by above-mentioned survey
Test result statistical form is shown on the display interface of test system to graphically after being arranged, and test result is intuitively shown
Show to tester.More particularly, display unit can be that above-mentioned test result statistical form is shown in into an excel table
In lattice.
On the basis of above-mentioned technical proposal, prefabricated command script includes being used for the company for connecting network data analysis equipment
Pin sheet.In a kind of embodiment, script that above-mentioned connection script is extended by citation network DAF
The process that storehouse is write realizes the connection with network data analysis equipment.Further, above-mentioned network data analysis is set
Standby is ixia network data analysis equipment, and its script bank extended is ixiawish.Prefabricated command script also includes being used in fact
The existing transmission script carried out data transmission between test system and test accessory in a manner of recognizable.It is embodied in one kind
In mode, above-mentioned transmission script can mainly include four parts.Wherein, Part I is used to realizing test system and long-range
Test accessory, such as ONU equipment, OLT device and network data analysis equipment establish connection.Part II is to test
The user name and password inputted in system and the configuration parameter connected corresponding to above-mentioned test in setting unit input, Huo Zheqi
He inputs any order or character, works out after predetermined form, to be sent in remote equipment.Specifically, it is above-mentioned predetermined
Form is NVT（NetVirtualTerminal, network virtual terminal）Form, i.e., the character representation of local terminal is mapped onto
On NVT character representation, conversion is realized.Part III is used for the output of remote equipment predetermined format, including is such as in test
The data of order echo, the implementing result of remote equipment after order execution etc. on system after input order are converted into test system
The form that can be received.Specifically, it is the NVT lattice for transmitting remote equipment that Part III and Part II, which are corresponding,
The data of formula, locally recognizable data are converted to, it is achieved thereby that being carried out between test system and remote equipment with NVT forms
Data transfer.Part IV is used for after the completion of realizing test, the revocation connection between test system and remote equipment.Prefabricated
Command script also includes being used for the configuration script for initializing OLT device.Specifically, above-mentioned configuration script can be by drawing
With the Part II in above-mentioned transmission script, configuration information is transferred in OLT device by setting the form of coding, to realize
Under test case, the initialization of test configurations environment.It is wherein main to include the initialization configured of being circulated to OLT device, such as user
Certification, VLAN setting etc..Prefabricated script also includes being used to control testing procedure order to perform and obtain network data
The control script of test data in analytical equipment.Because the testing procedure carried out by test system mainly includes setting OLT
Standby configuration and the operation to network data analysis equipment, so control script is by quoting second in above-mentioned transmission script
Point and to the flow editor in the expanding library of network data analysis equipment, traffic statistics process, realize operation order control with
And test data obtains.
Another embodiment of the present invention discloses a kind of method of testing for being used to test dynamic bandwidth allocation device, test
Method is implemented by test system described above, as shown in figure 3, method of testing comprises the following steps：
Step 1. generates configuration parameter by setup module；
Step 2. execution module call instruction script, and sent according to command script and configuration parameter to test accessory
Test instruction；
Step 3. feedback module feds back through the test data of test accessory acquisition to test system.
On the basis of above-mentioned technical proposal, specifically included in step 1：
Step 11. sets test item by a test item setting unit of setup module；
Step 12. is set the configuration parameter of test accessory by a test connection setting unit of setup module.
On the basis of above-mentioned technical proposal, specifically included in step 2：
Step 21. execution module call instruction script one transmission script, with test accessory in OLT device and
ONU equipment establishes connection, and according to the configuration parameter inputted in step 12, sends refer to test accessory in a predetermined format
Order；
One initializtion script of step 22. execution module call instruction script, transmission script is quoted by initializtion script
Initial configuration is carried out to OLT device；
A connection pin sheet of step 23. execution module call instruction script, the network data in connecting test auxiliary equipment
Analytical equipment；
One control Script controlling test process of step 24. execution module call instruction script, and obtain network data point
Test data in desorption device.
On the basis of above-mentioned technical proposal, specifically comprise the following steps in step 3：
Contrast module contrast test data in step 31. feedback module and the expected numbers defaulted in memory module
According to obtaining test result；
Export module export test data and test result in step 32. feedback module, form test result system
Count table；
Test result statistical form is shown in display circle of test system by the display module in step 33. feedback module
Face.
By a kind of test system and method for testing for being used to test dynamic bandwidth allocation device of the present invention, need to only pass through
Call test command script can to replace console instrument to complete the configuration of test environment, and sufficiently make use of equipment
Free time, data network analytical equipment and OLT device can be used simultaneously substantially, test resource is rationally utilized.Together
When, by default expected data compared with test data, carry out result judgement so that test script is performed with very high
Objectivity, effectively increase the reliability of test.In addition, by calling script to carry out unified arrangement to test result and exporting,
Tester is checked test result by simple operations can, testing efficiency greatly improved, before having a wide range of applications
Scape.
Preferred embodiments of the present invention are the foregoing is only, not thereby limit embodiments of the present invention and protection model
Enclose, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Scheme obtained by equivalent substitution and obvious change, should be included in protection scope of the present invention.
Claims (7)
1. a kind of test system for being used to test dynamic bandwidth allocation device, it is characterised in that the test system is auxiliary with testing
Equipment is helped to connect；The test system includes：
Memory module, the memory module are stored with prefabricated command script；
Setup module, the setup module are used to input configuration parameter；
Execution module, the execution module is used to call the command script, and is joined according to the command script and the configuration
Number sends control instruction to the test accessory；
Feedback module, the feedback module are used to feed back the survey obtained in the test accessory to the test system
Try data；
The test accessory includes OLT device, ONU equipment, optical splitter and network data analysis equipment；
The network data analysis equipment is connected with the OLT device, the ONU equipment and the test system respectively；Institute
OLT device is stated to be connected with the ONU equipment and the dynamic bandwidth allocation device respectively by the optical splitter；The survey
Test system is connected with the OLT device；
The prefabricated command script includes：
For connecting the connection script of the network data analysis equipment；
For initializing the initializtion script of the OLT device；
For realizing the transmission carried out data transmission between the test system and the test accessory in a manner of recognizable
Script；
For controlling testing procedure order to perform and obtain the control pin of test data in the network data analysis equipment
This.
2. the test system as claimed in claim 1 for being used to test dynamic bandwidth allocation device, it is characterised in that
The setup module also includes test item setting unit, and the test item setting unit is used to set test item；The survey
Trying item includes Dynamic Bandwidth Allocation precision corresponding to bandwidth allocation composite type and the bandwidth allocation composite type.
3. the test system as claimed in claim 1 for being used to test dynamic bandwidth allocation device, it is characterised in that
The setup module also includes test connection setting unit, and the test connection setting unit is used to set the test
The configuration parameter of auxiliary equipment.
4. the test system as claimed in claim 1 for being used to test dynamic bandwidth allocation device, it is characterised in that described anti-
Feedback module includes：
Comparison unit, the comparison unit are used to contrast the test data and default in the expected numbers in the memory module
According to obtaining test result；
Lead-out unit, the lead-out unit are used to export the test data and the test result, form test result system
Count table；
Display unit, the display unit are used for display circle that the test result statistical form is shown in the test system
Face.
5. a kind of method of testing for being used to test dynamic bandwidth allocation device, it is characterised in that the method for testing is by such as weighing
Profit requires that the test system described in 1 is implemented, and the method for testing comprises the following steps：
Step 1. sets configuration parameter by the setup module；
Execution module described in step 2. calls the command script, and according to the command script and the configuration parameter to institute
State test accessory and send test instruction；
Feedback module described in step 3. feds back through the test data of test accessory acquisition to the test system；
Specifically included in the step 2：
Execution module described in step 21. is called in transmission a script, with the test accessory of the command script
OLT device and ONU equipment establish connection, and according to the configuration parameter set in the step 1, in a predetermined format to the survey
Try auxiliary equipment and send instruction；
Execution module described in step 22. calls an initializtion script of the command script, is quoted by the initializtion script
The transmission script carries out initial configuration to the OLT device；
Execution module described in step 23. calls a connection pin sheet of the command script, connects in the test accessory
Network data analysis equipment；
Execution module described in step 24. calls a control Script controlling test process of the command script, and obtains the net
Test data in network DAF.
6. the method for testing as claimed in claim 5 for being used to test dynamic bandwidth allocation device, it is characterised in that the step
Specifically included in rapid 1：
Step 11. sets test item by a test item setting unit of the setup module；
Step 12. is set the configuration parameter of the test accessory by a test connection setting unit of the setup module.
7. the method for testing as claimed in claim 5 for being used to test dynamic bandwidth allocation device, it is characterised in that the step
Specifically comprise the following steps in rapid 3：
A contrast module in feedback module described in step 31. contrasts the test data and defaulted in the memory module
Anticipatory data, obtain test result；
An export module in feedback module described in step 32. exports the test data and the test result, is formed and surveyed
Test result statistical form；
The test result statistical form is shown in the test system by the display module in feedback module described in step 33.
Display interface.
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| CN105243015B (en) * | 2015-09-25 | 2021-02-26 | 惠州Tcl移动通信有限公司 | Method and system for automatically testing software |
| CN106873355B (en) * | 2015-12-14 | 2019-12-24 | 中国航空工业第六一八研究所 | Method for selecting and switching multi-priority maintenance test instruction and control law instruction |
| CN106789420A (en) * | 2016-12-16 | 2017-05-31 | 上海斐讯数据通信技术有限公司 | The method of testing of G/EPON system Dynamic Bandwidth Allocations, device and G/EPON systems |
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