CN101605348A - A kind of data service simulation method and application system - Google Patents
A kind of data service simulation method and application system Download PDFInfo
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Abstract
A kind of data service simulation method and system, wherein: judging whether to have a data initiation of services, is then to start perfect information and catch if be judged as; To the information sequential storage and the analysis of catching, introduce service characteristic data base; Relatively service feature judges that whether the information of catching exists, is the information that then abandons if be judged as, otherwise deposits database in; According to the already present FEATURE service of database, generation can be carried out script template; Entry condition according to script template generates one or more service analogue programs; The service analogue program provides between the node in service analogue center and business and carries out, and analog subscriber and business provide node generation information interaction.Thereby, data business and core network are had bigger compatibility, effectively reduce workload to dependence test, help improving the data service product quality.
Description
Technical field
The present invention relates to data service, core net field, especially relate to a kind of data service simulation method and application system.
Background technology
Development along with data service, make service product substitute and accelerate that professional individual life cycle constantly shortens, business realizing chain ductility is long in addition, cause network and professional safeguard complexity increase etc., to product planning, exploitation, promote, safeguard and cause difficulty.
The main body that present GPRS/EDGE network still carries for data service, around intrinsic index wireless, core net (wired network) itself, for example the channel allocation success rate, activate success rate, FTP downloading rate, open time delay etc., can not satisfy the quality testing needs of multiple business product.
The product quality inspection is common in respectively produces in the middle of the flowing water, and the network access testing of mobile communication data business, data service Performance Evaluation and fault location need the proper supporting means equally.On the existing detection means, general way is the omnidistance data service testing of adopting manual testing's mode or utilizing traditional testing machine to carry out, and the testing machine has just been gathered the industrialization instrument that some application function of mobile phone carries out automatically, does automatic job.
Simulation aspect about data service has a application number to disclose a kind of method and device of large traffic simulation test of packet data service for the Chinese patent application file of " 200610011439.X ".
Test parameter configuration according to the control backstage, the data source module that utilization includes general protocol stack and emulation terminal is set up PPP with group data service node and is connected, and on ppp link, carry ICMP, TCP message, utilize described data source module statistics to send/reply situation and flow, by statistical analysis, verify the performance that tested base station system Packet data service is handled to related data.Can be applicable to different platform and system, can test primary channel and complement channel; The Packet data service of energy simulation base station system.
There is a application number to disclose the method for simulating multi-protocol simulation flow with state machine about the multi-protocol simulation aspect for the Chinese patent application file of " 200410080941.7 ".
This method comprises: 201 start the call state machine example; The described call state machine example of 202 initialization; 203 receive the processing of message; 204 judge whether the state of described call state machine example is done state, if, the cleaning work after 206 end finish, otherwise change 205; After the data of 205 pairs of described call state machine examples are handled; 207 judge whether the state of described call state machine example can shift, if the timer that exists of halted state machine then, and change 204, otherwise 208 hold modes are waited for next time and being handled.Testing process has been simplified in this invention and concrete protocol-independent, and owing to can carry out a plurality of simulation protocols simultaneously, so can carry out the Bulk Call test.
But there is following common defects in prior art: be not the know-how that detects at the data service product.
There is following defective in existing industrial testing module: the testing instrument is only contained multimedia, agreements such as WAP/HTTP/FTP, be subjected to physical hardware restricted number (sim), be subjected to the wireless environment quality limitations, can't accomplish not influence under the situation of current business and network configuration and state and carry out voice and packet data concurrent service test in enormous quantities, influenced factor is many, is unfavorable for doing the parameter proficiency assessment.
There is following defective in available data service analogue technology: lack to the broad applicability of multiple network node such as GSN and service node such as PDSN or other IP network more the data service disposal ability of the BSS system (comprising BSC, BTS) in the middle of the main test communication network and stability, reliability.Lack in addition the multi-protocols support, main processing protocol is PPP, TCP/IP protocol suite, in case when using other standalone protocols then can't finish simulation and detect.
There is following defective in the existing protocol emulation technology: mainly utilize the action of state machine preset protocol signaling process to generate the multi-protocol simulation of the method realization of source template to network equipments such as NGN, prevent very then can't presetting one by one for diversified flow process and information that business is leading.
Summary of the invention
The invention provides a kind of data service simulation method and corresponding system, main technical solution problem is, to catch professional message structure and flow process, realize simulation or playing data for broadcasting service product operation, data business and core network had bigger compatibility, avoid the influence of wireless environment, overcome prior art can't at the mobile communication data business product carry out high traffic, efficiently, deep difficult problems such as test.
A kind of data service simulation method, comprising step:
Judging whether to have a data initiation of services, is then to start perfect information and catch if be judged as; To the information sequential storage and the analysis of catching, introduce service characteristic data base; Relatively service feature judges that whether the information of catching exists, is the information that then abandons if be judged as, otherwise deposits database in; According to the already present FEATURE service of database, generation can be carried out script template; Entry condition according to script template generates one or more service analogue programs; The service analogue program provides between the node in service analogue center and business and carries out, and analog subscriber and business provide node generation information interaction.
Preferably, this requires the duplicating of all information of partial data business conduct each time comprised signaling and professional data-message stream to information capture of data business; This partial data business conduct refers to that single professional family repeats from the limited number of times of startup-mutual-end; Monitor by interface, do not influencing and do not changing under the situation of original operation flow, comprise according to service feature: user ID (USID), the IP address, protocol port, session identification (SESSION ID) duplicate to be gathered and filters; Introducing database preserves ensembles of communication such as initial data, preprocessed data, reduced datas.
Preferably, this information analysis requires to have the support to the professional employed communication protocol of data, known safe agreement; Analyze according to data structure decoding as can be known, obtain sequence, the structure of service message stream, replaceable code element information set; Information set with same professional family identical sequence architectural feature had uniqueness in database.
Preferably, require the information set according to the band service feature structure of preserving in the database, variable content or dynamic content in the middle of removing according to protocol specification substitute with variable, generate executable information framework, are called script template.
Preferably, require to generate the program that one or more carries out certain script template according to control information, through initialization, carry out and handle, State Control is finished the information interaction of carrying out data service to service node.
A kind of data service analogue system, comprise: data service analog detection central station (Services-Simulated TestingCenter, be called for short SSTC), be used for wireless terminal is arrived the input of the inner working output of GSN network as system, handle to form the service analogue script by analysis, make the script executing result output to the business service node and take place known mutual with it by parameter configuration.
Preferably, this data service analog detection central station also further comprises: the GSN emulation server is used to finish the processing of GTP signaling collection, session control, routing addressing work; Information gateway is used for carrying out message by monitoring and catches, and storage; The business diagnosis emulating server is used for the analysis of Business Stream information set, based on service feature model generation script, simulates one or more operation flows according to trigger condition invoke script template.
Preferably, this business diagnosis emulating server also comprises: the business diagnosis engine, be used for business information stream being decoded according to known communication specification, and obtain abstract Workflow messages collection, and the uniqueness of inspection message collection; The service scenario engine is used for being the executable code template of standard according to the abstract information set arrangement that obtains; The service analogue engine is used to extract the script template memory cell, generates the service analogue trace routine; Memory cell is used to store the original business information collection of catching, the script information data.
The invention has the beneficial effects as follows, this data service simulation method and system realize can be to catch professional message structure and flow process, realize simulation or playing data for broadcasting service product operation, data business and core network had bigger compatibility, effectively reduce workload, help improving the data service product quality dependence test.
Description of drawings
Fig. 1 is the schematic diagram of the data service simulation method of the embodiment of the invention;
Fig. 2 is the information gateway of the embodiment of the invention carries out the method for monitoring reception to data traffic signaling and message a schematic diagram;
Fig. 3 is the schematic diagram of the business diagnosis engine processing method of the embodiment of the invention;
Fig. 4 is the schematic diagram of the service scenario engine processing method of the embodiment of the invention;
Fig. 5 is the schematic diagram of the service analogue engine processing method of the embodiment of the invention;
Fig. 6 is the schematic diagram of the guiding Packet Data Protocol activated system of the embodiment of the invention;
Fig. 7 is the schematic diagram of the data service analogue system of the embodiment of the invention.
Embodiment
The present invention is an example with the HTTP browse service, and a kind of data service simulation method and system are provided, and can realize learning and duplicates this professional reciprocal process, reaches and can repeat to simulate this professional purpose.
In conjunction with the accompanying drawings this programme is implemented to describe.
Fig. 1 is the data service simulation method schematic diagram, before simulating, can specify APN (Access Point Name), specific path or the processing method of simulation game process that makes specific APN activation, simplify the pilot process of simulation, resource contention for example, traffic interference. content charging etc.; Activate standard according to PDP in addition, can select to use self-defined user ISDN resource, can carry out big service analogue and don't need network authentication.It comprises that step s101 arrives step s106:
Step s101, the initiation message gateway is monitored gn interface message.In the middle of default environment, we can start an operation flow or select a destination object to monitor.
Step s102, information gateway is monitored in step s101 and is got access to service message stream, can separate GTP signaling and service message in the gn interface information, the data service process of an independent completion, need carry out the PDP activation of GTP agreement earlier, the demand according to business set up behind the GTP passage is addressed to business service provides node (SP/CP etc.), initiate actions such as HTTP GET, POST, and business service provides node also to respond accordingly, after the whole transmission of this time business information are finished, carry out the PDP deexcitation, finish a professional sample.It is to be analyzed that the information that this process is obtained deposits database etc. in chronological order in.Its detailed process comprises that following step s201 arrives step s205 as shown in Figure 2:
Step s201 starts the GTP signaling monitoring;
Step s202, the GTP signaling receives, and judges type according to signaling data packet header, obtains flags parameters such as length;
Step s203, the success of GTP signaling response, the expression signaling is set up process and is finished, and the follow-up business process will begin, and carry out service message and monitor;
Step s204 monitors and finishes, and service message begins to receive;
Step s205, service message receive and finish, and information temporary storage is gone into database.
Step s103, the business diagnosis engine carries out protocol-decoding to the business information stream of step s102.
Step s104, business diagnosis engine generate the readable information set according to the service feature of step s103.Wherein the detailed process of above-mentioned steps s103, s104 comprises that step s301 arrives step s306 as shown in Figure 3:
Step s301 reads the business information flow data that s205 deposits in;
Step s302 decodes according to the protocol type of being supported, converts readable content to;
Step s303 extracts service feature information from readable content, comprise destination address, purpose URL, protocol type, flow process step-length, message body size etc.;
Step s304, decoded information and characteristic information are packaged as ensemble of communication;
Step s305 according to whether having had identical information set in the characteristic information searching database, as is judged as otherwise keeps, otherwise abandons;
Step s306, current available information collection warehouse-in.
Step s105, service scenario engine extract and the process information collection, generate the script template of standard, and detailed process comprises that step s401 is to s405 as shown in Figure 4:
Step s401, the untreated information set of reading database;
Step s402 reads the business model data, according to the requirement of service feature parameter, and as imsi, host ip, sessionid, url etc. set the variables corresponding model;
Step s403, static parameter and dynamic parameter that analytical information is concentrated, wherein dynamic parameter is relevant with business model;
Step s404 generates the set of information primitive according to information set, and the dynamic parameter of business model is as the input variable of primitive set;
Step s405 can carry out script with the generation of primitive collection.
Step s106, the service analogue engine forms one or more service analogue example program according to the script template that trigger condition invocation step s105 generates, and detailed process comprises that step s501 is to s510 as shown in Figure 5:
Step s501 starts the service analogue engine;
Step s502 reads the service analogue input parameter, as class of business, and number resource, professional scale, the time interval, number of repetition etc.;
Step s503 generates one or more examples;
Step s504 imports script template;
Step s505, the GSN emulation server is set up the correlative GTP signalling path;
Step s506, example is carried out script;
Step s507 checks whether script finishes, is then to carry out s510 if be judged as, otherwise carries out s508;
Step s508 sends information according to script to the business service node;
Step s509 judges or the response of latency services service node, if respond successfully, then carries out s506, if carry out s510, wherein needs to support overtime, retransmits and the repeating transmission number of times such as overflows at the state judgement, retransmits and successfully then carries out s506, and number of times overflows then carries out s510;
Step s510, script executing finishes, and waits for and waking up next time.
In addition, based on the message flow of GPRS/EGPRS network as shown in Figure 6, description comprises:
1) wireless terminal is initiated network insertion message, activates the PDP message request
2) SGSN initiates to create the PDP message request to GGSN
3) GGSN response SGSN distributes information such as access address
4) SGSN response wireless terminal
5) wireless terminal initiates to insert request to service node
6) service node response wireless terminal (user)
7) data interaction between wireless terminal and the service node comprises business tine, conditional code mutual
8) wireless terminal is initiated service ending message
9) service node returns acknowledge message
10) SSTC catches above information process
11) SSTC simulation SGSN initiates to create the signaling of PDP message request to GGSN
12) GGSN response SSTC
13) SSTC initiates the service access request to service node
14) service node response SSTC
15) between SSTC and the service node data interaction takes place
16) SSTC initiates service ending message
17) service node returns acknowledge message
Fig. 7 is the schematic diagram of the data service analogue system of the embodiment of the invention, comprising data service analog detection central station (Services-Simulated Testing Center, be called for short SSTC), be used for wireless terminal is arrived the input of the inner working output of GSN network as system, handle to form the service analogue script by analysis, make the script executing result output to the business service node and take place known mutual with it by parameter configuration.
This service analogue inspection center station can further include: the GSN emulation server is used to finish the processing of GTP signaling collection, session control, work such as routing addressing; Information gateway is used for carrying out message by monitoring and catches, and storage; The business diagnosis emulating server is used for the analysis of Business Stream information set, based on service feature model generation script, simulates one or more operation flows according to trigger condition invoke script template.
Business diagnosis server wherein also can comprise: the business diagnosis engine, be used for business information stream being decoded according to known communication specification, and obtain abstract Workflow messages collection, and the uniqueness of inspection message collection; The service scenario engine is used for being the executable code template of standard according to the abstract information set arrangement that obtains; The service analogue engine is used to extract the script template memory cell, generates the service analogue trace routine; Memory cell is used to store the original business information collection of catching, data such as script information.
The notion that the used technology of the present invention has been utilized black box is by to the study of the input and output message of business with duplicate the effect that reaches service analogue, can realize that the data service product detects, also can finish simultaneously the network equipment and detect, solve prior art and can only be used for network equipment detection.Broken through the bottleneck such as test intensity, density, the degree of depth of prior art.And has independence equally with most of agreements.
Embodiment disclosed herein is exemplary, and it only is for explanation that the present invention is made an explanation, and is not limitation of the present invention, and improvement and the expansion that those skilled in the art will envision that are included within protection scope of the present invention.
Claims (8)
1. data service simulation method, comprising step:
Judging whether to have a data initiation of services, is then to start perfect information and catch if be judged as;
To the information sequential storage and the analysis of catching, introduce service characteristic data base;
Relatively service feature judges that whether the information of catching exists, is the information that then abandons if be judged as, otherwise deposits database in;
According to the already present FEATURE service of database, generation can be carried out script template;
Entry condition according to script template generates one or more service analogue programs;
The service analogue program provides between the node in service analogue center and business and carries out, and analog subscriber and business provide node generation information interaction.
2. data service simulation method as claimed in claim 1, wherein:
This requires the duplicating of all information of partial data business conduct each time comprised signaling and professional data-message stream to information capture of data business; This partial data business conduct refers to that single professional family repeats from the limited number of times of startup-mutual-end; Monitor by interface, do not influencing and do not changing under the situation of original operation flow, comprise according to service feature: user ID (USID), IP address, protocol port, session identification (SESSION ID) duplicate to be gathered and filters; Introducing database preserves ensembles of communication such as initial data, preprocessed data, reduced datas.
3. data service simulation method as claimed in claim 1, wherein:
This information analysis requires to have the support to the professional employed communication protocol of data, known safe agreement; Analyze according to data structure decoding as can be known, obtain sequence, the structure of service message stream, and replaceable code element information set in the business information stream; Information set with same professional family identical sequence architectural feature had uniqueness in database.
4. data service simulation method as claimed in claim 1, wherein:
Requirement is removed central variable content or dynamic content according to the information set of the band service feature structure of preserving in the database according to protocol specification, substitutes with variable, generates executable information framework, is called script template.
5. data service simulation method as claimed in claim 1, wherein:
Requirement generates the program that one or more carries out certain script template according to control information, through initialization, carries out and handles, and State Control is finished the information interaction of carrying out data service to service node.
6. data service analogue system comprises:
Data service analog detection central station, be used for wireless terminal is arrived the input of the inner working output of GSN network as system, handle to form the service analogue script by analysis, make the script executing result output to the business service node and take place known mutual with it by parameter configuration.
7. data service analogue system as claimed in claim 6, wherein:
This data service analog detection central station also further comprises: the GSN emulation server is used to finish the processing of GTP signaling collection, session control, routing addressing work; Information gateway is used for carrying out message by monitoring and catches, and storage; The business diagnosis emulating server is used for the analysis of Business Stream information set, based on service feature model generation script, simulates one or more operation flows according to trigger condition invoke script template.
8. data service analogue system as claimed in claim 7, wherein:
This business diagnosis emulating server also comprises: the business diagnosis engine, be used for business information stream being decoded according to known communication specification, and obtain abstract Workflow messages collection, and the uniqueness of inspection message collection; The service scenario engine is used for being the executable code template of standard according to the abstract information set arrangement that obtains; The service analogue engine is used to extract the script template memory cell, generates the service analogue trace routine; Memory cell is used to store the original business information collection of catching, the script information data.
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| C06 | Publication | ||
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Addressee: Shenzhen Shen Shi industry Co., Ltd. Zhang Wei Document name: Notification of Passing Examination on Formalities |