CN101150454B - Testing method for automatic switching optical network - Google Patents

Testing method for automatic switching optical network Download PDF

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Publication number
CN101150454B
CN101150454B CN2007101376534A CN200710137653A CN101150454B CN 101150454 B CN101150454 B CN 101150454B CN 2007101376534 A CN2007101376534 A CN 2007101376534A CN 200710137653 A CN200710137653 A CN 200710137653A CN 101150454 B CN101150454 B CN 101150454B
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testing
measurand
test
ason
connection
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CN101150454A (en
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田国丽
曹磊
何蕾
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Nanjing Zhongxing Software Co Ltd
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ZTE Corp
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Abstract

The invention discloses a method for testing automatic exchange optical networks, which includes the following steps: step S102, an exchange connection database and testing strategy are set up, in which, the exchange connection database consists of connection messages and connection scripts; step S104, a testing embodiment is executed according to the testing strategy, an instruction of the testing embodiment is sent to a measured object, and then a response result output from the measured object which is tested is received; and step S106, the invention judges whether the response result is in accordance with the corresponding predicted result of the connection scripts; if both the results are consistent each other, the testing embodiment execution is correct; otherwise, an error exists in the testing embodiment. By adopting the invention, automatic testing of user network client system in ASON network is realized, and repeated workload of testing personnel is effectively reduced; besides, the test is capable of going on without interruption, thus increasing testing efficiency and quality, facilitating the research and development progress of products and saving manpower and device resources.

Description

The method of testing of ASON
Technical field
The present invention relates to the optical communication field, and especially, relate to the method for testing of a kind of ASON (Automatic Switched Optical Network abbreviates ASON as).
Background technology
The birth of ASON is in order to adapt to optical transfer network active demand to intelligent and automation in evolution.Be characterized in having the ability that dynamic connection is provided, make it can support polytype business, thereby and can distribute the traffic engineering that realizes in the optical channel in real time to bandwidth according to the demand of reality, help more promptly to introduce various new value-added services.
The network configuration of ASON mainly comprises 3 independently planes: transmit plane (TP), control plane (CP) and management plane (MP).Wherein, control plane is the core of ASON.For the traditional transmission equipment and the ASON transmission equipment that solve the appearance of ASON first stage of construction can't be in the problems of control plane intercommunication, increase User Network Interface client (User-NetworkInterface-Client at traditional Synchronous Digital Hierarchy (SDH) equipment side, UNI-C), insert User Network Interface network (the User-Network Interface-Network of ASON equipment, UNI-N) interface, thus realized the intellectuality of interface between conventional transmission equipment and the ASON core layer network to a certain extent.
Wherein, the configuration that comprises all kinds of parameters on the major function of UNI-C software systems control plane with maintenance, initiatively initiate SC and be connected that (exchange connects, this connection is a kind of connection type of being set up by terminal use's request, promptly by the signaling message dynamic exchange between the control plane signaling unit, the connection of setting up between the connection end points) the establishment that is connected with various deletions and response SC of establishment and recovery after various deletions, neighborhood are safeguarded, restarted and control channel inefficacy after be connected recovery.The agreement that the tester goes design test scheme and test case to verify that its each function and uni interface use around these functions realizes situation.
In the whole test of UNI-C software in control plane, for User Network Interface (User Network Interface, UNI), its interface protocol realization is the core that its whole functional realizes, all SC establishment of connection delete functions also all are to rely on the transmission of signaling message to realize, the correctness of carrying out function also is to embody by observing the entrained information of signaling message, so the emphasis of test also concentrates on the protocol test that various foundation that UNI-C initiates to be connected with response SC delete.In addition, also need be at receive the signaling message that the opposite end sends as UNI-C after, the test of the message that management plane is reported etc.The content that these test events relate to is a lot, and test job is also very loaded down with trivial details, need carry out checking repeatedly.
The height of UNI-C software system test efficient has directly determined R﹠D cycle of product.When stable release is released, often need to carry out version change repeatedly, therefore, the tester need carry out substantive test repeatedly, and test job repeatability is very big, and nature can cause the lengthening of test period and R﹠D cycle.
Therefore, how to reduce the tester repetitive operation workload and improve the testing efficiency of ASON network UNI-C system, be a very important aspect.For shortening the cycle that version is introduced to the market, testing efficiency need improved, alleviate on the repeated workload aspect and further investigate, the retrofit testing method, and the testing time of the present measuring technology that proposes is long, the repetitive operation amount is big, need to consume great amount of manpower, obviously is unfavorable for shortening the cycle that version is introduced to the market.
Summary of the invention
Consider the problems referred to above and make the present invention that for this reason, main purpose of the present invention is to provide a kind of testing scheme of ASON.
According to embodiments of the invention, a kind of method of testing of ASON is provided, it can effectively alleviate tester's workload, and test processes is carried out swimmingly, improves the efficient of test.
This method comprises: step S102, and exchange is set connects database and Test Strategy, wherein, exchange connects in the database and comprises link information and be connected script; Step S104 according to the Test Strategy implementation of test cases, is sent to measurand with the instruction in the test case, and receives the response results of measurand output; And step S106, judge response results and connect whether expected results is consistent accordingly in the script, if consistent, represent that then the test case execution is correct; Otherwise there is mistake in the expression test case.
Wherein, Test Strategy comprises: create and/or delete the connection in the measurand and create and/or delete order, time and the mode that connects in the measurand.
In addition, before step S104, may further include: be provided with according to the execution sequence and the executive mode of Test Strategy to test case.
In step S104, to create and/or the deletion measurand in time interval between the operation that connects carry out record.
In addition, in step S104, can monitor the linking number in the measurand, judge the deleted connection that whether continues to delete measurand after zero of linking number in the measurand according to Test Strategy, if the judgment is Yes, then in measurand, connect.
In addition, in the method, measurand is the User Network Interface client.
And this method may further include: the instruction transmission rate to test case is measured.In this case, can be set measuring period to the measurement of the instruction transmission rate of test case.
By technique scheme of the present invention, can realize automatic test to user network FTP client FTP in the ASON network, effectively reduced tester's repeated workload; And can guarantee to test and interruptedly not carry out, therefore improve the efficient and the quality of test, thereby can accelerate the research and development progress of product, save manpower and device resource.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the method for testing of the ASON of the embodiment of the invention;
Fig. 2 implements the block diagram according to the structure example of the system of the method for testing of the ASON of the embodiment of the invention shown in Fig. 1; And
Fig. 3 is the flow chart according to the processing example of the method for testing of the ASON of the embodiment of the invention that the system shown in Fig. 2 carries out.
Embodiment
In the present embodiment, provide a kind of method of testing of ASON, it can effectively alleviate tester's workload, and test processes is carried out swimmingly, improves the efficient of test.Describe this method below with reference to accompanying drawings in detail.
As shown in Figure 1, comprise according to the method for testing of the ASON of present embodiment: step S102, exchange is set connects database and Test Strategy, wherein, exchange connects in the database and comprises link information and be connected script; Step S104 according to the Test Strategy implementation of test cases, is sent to measurand with the instruction in the test case and (for example, UNI-C), and receives the response results that measurand is exported; And step S106, judge response results and connect whether expected results is consistent accordingly in the script, if consistent, represent that then the test case execution is correct; Otherwise there is mistake in the expression test case.
Wherein, Test Strategy comprises: create and/or the deletion measurand in connection (that is, determined to set up any bar connect, delete any bar connect) and create and/or the deletion measurand in the order, time and the mode that connect.At tested object is under the situation of UNI-C, as UNI-C during as source UNI-C (initiator of connection), and can be at random or create according to ordering and to connect and specify deletion order and deletion mode; As UNI-C during, drive the instrument control module and connect and initiate to create and specify deletion order and deletion mode as purpose UNI-C (the response side of connection); Operating sequence, cycle and test dynamics when specifying simultaneously well respectively as source and destination UNI-C.
In addition, before step S104, may further include: be provided with according to the execution sequence and the executive mode of Test Strategy to test case.
Preferably, when reality is tested, can measurand be connected with protocol tester and testing tool according to mode shown in Figure 2.Like this, in step S102, testing tool respectively to protocol tester and measurand (promptly, UNI-C among Fig. 2) specify the exchange that to create to connect database, and choose test case combination, and by control module management Executive Module is controlled, determining when establishment and the deletion that connects, and can to create and/or the deletion measurand in time interval between the operation that connects carry out record.
In structure shown in Figure 2, testing tool is responsible for testing automatically control, comprises and tested software UNI-C, protocol tester communication; Carry out the collection of sending and test output information that test case is instructed with tested UNI-C, carry out actual reception information and expected results and compare the output that draws corresponding test result.
Control module in the testing tool is the core of whole testing tool, comprises time management module and design test strategy, and its scheduling that can test distributes, and monitors connection status and resource situation constantly.
Testing tool also has the instrument control module, and this module is managed by control module, is mainly used in to drive protocol message, establishment and the deletion that protocol tester sends appointment and be connected, and can carries out the concentrated of pressure test, performance test and call.In addition, testing tool also comprises the time management module, mainly carries out time scheduling and tissue that instruction of various use-cases and instrument are controlled, can allow all test execution are ruly carries out; Simultaneously can specified pressure test period and dynamics, and the order called of use-case.
Pressure test described here is meant and sends a lot of instruction (instruction number when quantity surpasses normal the use) within a certain period of time, with the stability of test measurand.
In addition, in step S104, can monitor the linking number in the measurand, judge the deleted connection that whether continues to delete measurand after zero of linking number in the measurand according to Test Strategy, if the judgment is Yes, then in measurand, connect.
When actual test case is carried out, can be by the state and the resource of control module monitoring connection, the connection that tested UNI-C initiated is deleted when falling specified quantity, promptly, the quantity of deleted connection is more when causing remaining number of connection seldom, and control module can trigger Executive Module, rebulids connection, assurance has connection can do the operation deletion, so just can carry out continuous test and guarantee enough loads.
And this method may further include: the instruction transmission rate to test case is measured.In this case, can be set measuring period to the measurement of the instruction transmission rate of test case.
Alternatively, this method can further include: collect the response results of measurand, and whether what judge response results different with expected results in the response results is because the designated parameter change produces.Here, designated parameter is according to the rank appointment of test purpose and test case, and when reality is implemented, the message as a result of response results message and expectation can be compared, and judges and cause different reasons.
To the embodiment of the invention be described in detail with UNI-C as measurand below.
Fig. 3 shows the flow chart according to the UNI-C software function automatic test approach of the embodiment of the invention.As shown in Figure 3, it specifically comprises following processing:
At first, formulate the exchange that will create and/or delete connection and connect database (also can be called the SC link library) and Test Strategy comprising polytype connection and connection script:
Step 301 is prepared exchange to be measured and is connected script, and prepares need create and/or delete when Executive Module moves the case script of using of exchange connection;
Step 302, at the protocol tester configuration-direct: the exchange that configuration will be initiated connects sets up and the instruction of deletion information and all kinds of deletion modes, and configuration is simultaneously carried out by these instructions and is set up and time interval during deletion; Set when the connection of protocol tester establishment is deleted the establishment that protocol tester needs initiatively initiation to connect in addition;
Step 303 is set Test Strategy: in control module, carry out the setting of Test Strategy, be meant that mainly the type of order and deletion is deleted in appointment as UNI-C during as source UNI-C (initiator of connection); As UNI-C during, drive the instrument control module and call the instruction action that once configured at protocol tester as purpose UNI-C (the response side of connection);
Step 304, setting-up time supervisory sequence in control module, comprise: the time that issues for a series of instructions of carrying out source UNI-C, carry out the response of purpose UNI-C, that is, instrument initiatively initiated the time of the driving of creating, deleting, and the mode of carrying out, for example, hocket and carry out etc. simultaneously;
Secondly, the communication of setting up between tested software UNI-C, protocol tester, the testing tool connects, and prepares to carry out test automatically;
Step 305 is built the UNI-C software function test environment of ASON, and all kinds of parameters of UNI-C node are provided with script, for follow-up test ready;
Step 306, protocol tester configuration analog node, normal communication after protocol tester configures the UNI-N node that will simulate and other end UNI-C node;
Step 307, testing tool connect tested UNI-C, and that promptly can instruct after connecting issuing and receiving;
Step 308, testing tool and protocol tester connect, and are provided with on protocol tester and land the IP address of control, and testing tool connects by the Ethernet interface of protocol tester, to reach control and the monitoring of testing tool to protocol tester; And, realize being connected of testing tool and protocol tester by the driver that protocol tester provides; After communication connected foundation, testing tool can be controlled it according to the interface command of protocol tester, was provided with also to obtain relevant business information;
Then, implementation of test cases, testing tool keeps a record, the response results of measurand is inquired about and compared the designated order change in information, and trigger new instruction according to the result and issue, testing tool drives protocol tester and carries out corresponding actions according to Test Strategy and time management modules configured:
Step 309, start testing tool, carry out automatic test according to all pre-set scripts and strategy, wherein, the drive controlling of protocol tester according to specifying good test instruction to carry out dissection process, is converted into the test instruction information that protocol tester can discern and operates;
Step 310, control module manages Executive Module, wherein, control for testing progress, be to operate equally according to the test case of design in advance, manage establishment and the deletion when Executive Module connects by control module, and each operation note is had the test interval information of different operating;
Step 311, the control module monitoring connects to guarantee follow-on test: in measuring executing process, state and resource that control module monitoring connects connect deletedly to some in case monitor, and trigger Executive Module immediately and create new connection or rebulid the connection of having deleted;
At last, testing tool is handled and is analyzed information after receiving state change information about all connections, and test case is finished, and outputs test result:
Step 312, testing tool obtains link information: Executive Module obtains connection status to be changed and the UNI-C reporting information, and testing tool obtains corresponding information according to the needs and the requirement of test case;
Step 313, the information merger: Executive Module carries out the information merger when handling, according to test case begin, the concluding time, and in the test case different operating execution constantly and the time interval, creation-time, deletion time and warning information etc. carry out merger;
Step 314, data analysis is handled: according to the test case needs, the primary data information (pdi) of the collaborative Executive Module of control module after to merger carries out analyzing and processing, according to preassigned analysis rule, test data is diagnosed, the test case data that diagnosis is passed through is carried out record; The test case data that diagnosis is not passed through is carried out record in addition, and after analyzing and processing finishes, result is exported as test result;
Step 315, tester's analytical test result: after the UNI-C software function of ASON network was tested automatically and finished, the tester need analyze the test result that diagnosis is not passed through, and gets rid of possible wrong report fault, confirm test failure, and automatic test result is organized into test report.
In sum,, can realize automatic test, effectively reduce tester's repeated workload user network FTP client FTP in the ASON network by means of technical scheme of the present invention; And can guarantee to test and interruptedly not carry out, therefore improve the efficient and the quality of test, thereby can accelerate the research and development progress of product, save manpower and device resource.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. the method for testing of an ASON is characterized in that, comprising:
Step S102 is provided with exchange and connects database and Test Strategy, and wherein, described exchange connects in the database and comprises link information and be connected script;
Step S104 according to described Test Strategy implementation of test cases, is sent to measurand with the instruction in the described test case, and receives the response results of described measurand output; And
Step S106 judges whether corresponding expected results is consistent in described response results and the described connection script, if consistent, represents that then described test case carries out correctly; Otherwise, represent that there is mistake in described test case.
2. the method for testing of ASON according to claim 1, it is characterized in that described Test Strategy comprises: create and/or delete the connection in the described measurand and create and/or delete order, time and the mode that connects in the described measurand.
3. the method for testing of ASON according to claim 1 is characterized in that, before described step S104, further comprises: be provided with according to the execution sequence and the executive mode of described Test Strategy to described test case.
4. the method for testing of ASON according to claim 2 is characterized in that, in described step S104, the time interval of creating and/or deleting between the operation that connects in the described measurand is carried out record.
5. the method for testing of ASON according to claim 2, it is characterized in that, in described step S104, linking number in the described measurand is monitored, judge the deleted connection that whether continues to delete described measurand after zero of linking number in the described measurand according to described Test Strategy, if the judgment is Yes, then in described measurand, connect.
6. according to the method for testing of each described ASON in the claim 1 to 5, it is characterized in that described measurand is the User Network Interface client.
7. according to the method for testing of each described ASON in the claim 1 to 5, it is characterized in that, further comprise: the instruction transmission rate to described test case is measured.
8. the method for testing of ASON according to claim 7 is characterized in that, further comprises: the measurement to the instruction transmission rate of described test case is provided with measuring period.
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CN102394797B (en) * 2011-11-16 2013-09-11 深圳市赛格导航科技股份有限公司 Embedded automatic network communication device test method and system
CN103152216B (en) * 2011-12-07 2016-08-10 北京新媒传信科技有限公司 The method of testing of system and device in a kind of the Internet
CN103269296B (en) * 2013-05-23 2019-06-07 上海斐讯数据通信技术有限公司 A kind of user side of passive optical network system detection system and detection method
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CN104270289A (en) * 2014-10-17 2015-01-07 上海斐讯数据通信技术有限公司 ONU automatic testing method based on TCL script
CN108667548B (en) * 2018-05-14 2019-11-19 烽火通信科技股份有限公司 A kind of automated testing method and system based on ASON signaling network
CN108667510B (en) * 2018-05-14 2019-09-17 烽火通信科技股份有限公司 The preset routing automated testing method of multipath based on ASON and system
CN110572295B (en) * 2018-06-06 2021-04-09 中国信息通信研究院 Test method for verifying SSM response rule
CN108833214B (en) * 2018-08-29 2020-09-08 杭州安恒信息技术股份有限公司 Industrial control network detection method, device and system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1777127A (en) * 2005-12-08 2006-05-24 中国移动通信集团公司 Protocol conformance measuring device and method
CN1838617A (en) * 2005-03-21 2006-09-27 中兴通讯股份有限公司 Automatic test method for network protection system of optical SDH
CN1996899A (en) * 2005-12-29 2007-07-11 中兴通讯股份有限公司 Testing method of the mobile terminal protocol and its system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1838617A (en) * 2005-03-21 2006-09-27 中兴通讯股份有限公司 Automatic test method for network protection system of optical SDH
CN1777127A (en) * 2005-12-08 2006-05-24 中国移动通信集团公司 Protocol conformance measuring device and method
CN1996899A (en) * 2005-12-29 2007-07-11 中兴通讯股份有限公司 Testing method of the mobile terminal protocol and its system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张国颖.自动交换光网络(ASON)测试技术.电信网技术 3.2005,(3),第5-8页.
张国颖.自动交换光网络(ASON)测试技术.电信网技术 3.2005,(3),第5-8页. *

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