CN104065398A - Design method and system of electric power information communication network convergence test platform - Google Patents
Design method and system of electric power information communication network convergence test platform Download PDFInfo
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Abstract
The invention relates to a design method and system of an electric power information communication network convergence test platform. The test platform system is mainly divided into a service search two-dimensional table, an electric power communication service generator, a traffic shaper, a network simulator, a communication path switch, a service controller and a service ending analyzer and repeater. Electric power communication services are divided to form the service search two-dimensional table according to the IEC61850 protocol, the IEC60870-5-101 protocol, the IEC60870-5-104 protocol, equipment types and the like; non-electric-power service data streams of electric power services, voice, video and the like are obtained, the input electric power communication service test streams are managed through traffic shaping technologies including admission control, input traffic label identification and the like, the electric power communication service streams are transmitted through the simulative network simulator or the path switch of an actual electric system communication network, labeled test service streams are received by the service ending analyzer, statistics and analysis are performed on the result of performance for bearing electric power communication services under information communication convergence, and the method combines an electric power information communication network and a test platform so as to enhance the accuracy and the practicality of tests.
Description
Technical field
The present invention relates to electric power system detection technique field, relate in particular method for designing and system that a kind of electric power communication network network merges test platform.
Background technology
Power telecom network employing advanced person's is wired, wireless access and evolution technology thereof, present a kind of mixed networking structure that merges multiple networking technology, the communication technology and power business are to diversified development evolution, simultaneously, actual power telecom network construction project acceptance phase, power business communication performance based on power business bearing capacity is had to clear and definite index request, but in electric power system, there is no a kind of clear and definite method of testing system to the power telecom network test that carries out an acceptance inspection, and need to constantly monitor power telecom network in the system O&M stage, optimize and safeguard, improve the real-time of system synthesis business transmission, reliability etc., for this reason, integrated testing platform is merged in the information communication that needs research to realize integrated service and communication network fusion, complete the examination of building up to power telecom network, evaluate, operation maintenance and optimization etc.
The existing patent document relevant to power system network service bearer ability, having Chinese invention patent publication number is the invention " a kind of electric power system broadband network performance test method of testing and system " of CN103326901A, employing requires encapsulation based on power business diversity and according to frame format, as Business Stream, electric power system broadband network performance is tested, although the method can meet power business diversity, can test electric power system broadband network performance, but the power business feature in the time of can not meeting the different access level of power telecom network, can not access on-site terminal electric power of equipment business datum simultaneously, can not carry out emulation testing to power telecom network, and can not meet the diversity to heterogeneous networks structure in power telecom network mixed networking situation.
Summary of the invention
The object of the present invention is to provide a kind of electric power communication network network to merge method for designing and the system of test platform, can complete power telecom network network simulation, realize the access of emulation power business and the access of on-the-spot power business, and can test the communication service load-carrying properties of on-the-spot multiple network structure.
Further, in above-mentioned test macro and method, solved in existing measuring technology method: energy communication service data flow is various but lack and under service feature under different access levels, on-the-spot test environment, can not access the limitation of on-the-spot power business terminal, the limitation that the emulation testing of power telecom network service bearer performance, test macro can only be to single network tests.
Further, the method characteristic in the existing method of testing deficiency of above-mentioned solution comprises:
While utilizing analog network simulator carrying artificial service source according to on-the-spot power telecom network, according to the feature of field network, carry out traffic shaping, receive and control; According to the diversity formation business of power business stipulations and terminal equipment, search bivariate table; Feature after heterogeneous networks equipment in different access levels is processed business data packet is added; Be applicable to the power business bearing capacity test under multiple network structure.
Described content measurement mainly comprises:
The limit test of reliability testing, the test of business completion rate, delay testing, bandwidth test, transmission rate test, Network bearing capacity, packet loss test.
In order to realize function and the object of above-mentioned test macro, the concrete technical scheme of the present invention is as described below:
Electric power communication network network merges method for designing and a system for test platform, it is characterized in that comprising following part: energy communication service generator, traffic-shaped device, network simulator, also comprise flow probe and comprehensive management platform.
Described energy communication service generator comprises:
Energy communication service data generate and energy communication service data processing, described energy communication service data generate and comprise: according to IEC61850, IEC60870-5-101, the diversity of IEC60870-5-104 power business stipulations and terminal equipment forms power business and searches bivariate table, the net loaded power business kind of the power communication that will test is searched to bivariate table and generate the power business data that meet stipulations standard, and stamp test sign to entering the service traffics of network, with the business datum of on-site terminal equipment to distinguish, to the flow of output, adopt token bucket to carry out traffic shaping simultaneously.
According to described business datum generation method, in conjunction with the different access level of power telecom network, power business data are had to different encapsulating structures.At Access Layer access testing system platform, directly produce emulation power business data or access service terminal equipment and produce field measurement data; At convergence-level access test platform, the power business data that produce, by the self-defined encapsulation again of data packet head, are added signature identification according to network equipment transmission process feature in corresponding encapsulation packet header.
Described traffic-shaped device comprises:
Emulation power business data generate and access network simulator, carrying out service traffics shaping makes it be more suitable for connecting by signaling access lateral terminal user, business based on service terminal produces type, data volume and periodicity, submit to network to divide to carry out flow control to the flow of service terminal, according to the flow division and the connection that provide, carry out traffic shaping.
Electric power communication network network merges method for designing and a system for test platform, and the method comprises:
Network simulator, the on-the-spot distribution communication network of building up is utilized to the network equipment emulation such as switch, router, utilize the access of testing system platform artificial service data source, according to terminal traffic feature, carry out flow division, and adopt acceptance controlling method to carry out traffic management to the power business stream of input network.
Described flow probe module comprises:
Flow probe is concatenated into switch ports themselves, open port mapping function, the flow of each port is mapped to the port that flow probe has been installed, for only by just can collect the flow informations such as a plurality of port source IP addresss, object IP address, bag number, byte number to the monitoring of a port.
Energy communication service data are passed through to traffic shaper according to transmission rule from energy communication service maker, by on-the-spot power telecom network or network simulator, be transferred to the comprehensive management platform of test macro.
Described comprehensive management platform comprises: business terminator module, traffic analyser module, service controller module, business datum conversion and transponder module.
According to testing requirement, complete: differentiation, the transmission package number statistical in business data transmission process, the computational analysis of test index, the information flow of test service of parameter configuration, on-the-spot physical end data and artificial service source test data when the start and stop of management testing system, testing system platform operation resolved, the termination of artificial service flow process.
Parameter configuration during described testing system platform operation completes by service controller, and parameter configuration comprises: the periodic intervals that the port of power telecom network type of service, test macro and address, service terminal nodes, energy communication service data produce, service communication duration, background traffic value size.
According to the parameter configuration of testing system platform, utilize business to search frame structure and the content of bivariate table and communication protocol reference format configuration power business data.
Further, according to surveyed type of service, to energy communication service generator produce the periodicity of business datum, sudden, randomness feature is configured, the time interval, randomness feature and bursty nature that configuration service data produce.
According to test service feature and configuration, comprehensive management platform comprises simultaneously: business terminator, traffic analyser.
Business terminator, receives the business datum of carrying, and according to test service Data Identification distinguishing tests business datum and on-site terminal business datum, termination test service data flow, and guarantee the normal transmission of on-the-spot energy communication service data flow and processing.
Traffic analyser, receives the test service data that business terminator is received, resolves test service data content, the business data packet that statistics receives, and analyze the Network load-carrying properties of testing.
Further, the service bearer testing performance index method in above-mentioned test macro comprises:
The definite type of service that will carry, corresponding service data frame structure, size and business occurrence type are set, and the energy communication service data of test are added to test sign, can access on-site terminal equipment simultaneously, complete actual traffic data transmission, the limit of the online rate of statistical analysis live traffic terminal, business completion rate, time delay, bandwidth, transmission rate, Network bearing capacity, packet loss index.
According to described energy communication service test, it is the online rate test of service terminal, described on-site terminal access testing system platform, constantly starts timing from access, take the acceptance criteria standard time as the cycle, mutual according to terminal and master information, the process that obtains test result comprises:
Obtain respectively service terminal test total time t
1during with fault off-line, all terminals are without the cumulative time t of message interaction
2, statistics live traffic terminal number n;
Obtain the online rate η of live traffic terminal
1=(n * t
1-t
2)/(n * t
1) * 100%, obtains test result.
Further, the process of described test service completion rate comprises:
Analyze the net loaded operational trials kind of power communication, each operation flow is analyzed, during test, add up corresponding business and complete number of times, do not complete number of times;
Further, according to business, search the stipulations standard that business that bivariate table forms is followed, and service message interaction flow process, not completing regulation message flow process or the message regulation of makeing mistakes is a service fail, has added up frequency n
1; Finishing service message interaction flow process is decided to be to business and completes, added up frequency n
2;
Acquisition business completion rate statistics η
2=n
2/ (n
1+ n
2) * 100%, obtains test result.
Further, the process of described test time delay comprises:
Complete between main website and service terminal synchronize to time, in business realizing process, mutual message is added to markers and represents that business datum starts from terminal or main website the temporal information sending;
Add up the time marking that energy communication service data are issued to receiving terminal reception from transmitting terminal each time poor, according to business number of times, analysis obtains the average delay of a service message transmission of Network carrying;
Further, the test process of the limit of test network service bearer amount comprises:
At power telecom network Access Layer access testing system platform, a plurality of service source terminals of simulation loading, the interpolation number strategy of service terminal takes addition to increase progressively the mode that multiplication successively decreases;
When analog service source terminal is incremented to, occur that time delay statistical value exceeds acceptance criteria limit value, by addition terminal number to the service delay that successively decreases, meet acceptance criteria value; Obtain the service bearer amount limiting value of institute's test network;
Described testing system platform carries out operational trials based on Client/Server model, the control command sending for receiving client at control port respectively, and FPDP is for server and client transmissions data;
Further, service end is resolved instruction after by the instruction that receives client and send, and carries out the operations such as respective data transfer.Bandwidth, transmission rate are added up and obtained to data volume to transmission.
As seen from the above technical solutions, a kind of electric power communication network network provided by the invention merges method for designing and the system of test platform, compares with prior art scheme, and the power business feature in the time of can solving the different access level of power telecom network is added; Formation business is searched bivariate table, can produce there is randomness, the polymorphic type business of sudden, periodic current feature, met electric power system business diversified demand; Can access by emulation multi-service terminal, by network performance analysis, thereby terminal quantity, kind that test power telecom network can access after building up have met electric power system service terminal planning demand; Can access on-site terminal device transmission business datum, the performance test while realizing tested network on-line operation, has met system on-line testing demand; Can carry out emulation testing to power telecom network scheme, implementation Performance Evaluation; Under emulation or on-the-spot distribution communication network situation, according to service traffics feature, take traffic shaping and bandwidth to divide, test network best configuration method; Power telecom network adopts in mixed networking scheme situation, and testing system platform can complete the performance test to diversified network, solves existing tested network unification problem, has met the diversified testing requirement of Access Network.
Accompanying drawing explanation
To the accompanying drawing of required use in the embodiment of the present invention or description of the Prior Art be briefly described, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the test flow chart that the disclosed a kind of electric power communication network network of the embodiment of the present invention merges test platform.
Fig. 2 is the disclosed electric power communication network service bearer of embodiment of the present invention performance test methods figure.
Fig. 3 is disclosed another the electric power communication network service bearer performance test methods figure of the embodiment of the present invention.
Fig. 4 is the illustrative view of functional configuration that the disclosed a kind of electric power communication network network of the embodiment of the present invention merges test platform.
Fig. 5 is the Software for Design implementation structure schematic diagram that the disclosed a kind of electric power communication network network of the embodiment of the present invention merges test platform.
Fig. 6 is self-defined power business identification data format chart under the disclosed different access levels of the embodiment of the present invention.
Embodiment
Below in conjunction with the disclosed accompanying drawing of inventive embodiments; technical essential scheme of the present invention is described more comprehensively and analyzed; accompanying drawing in description is only some embodiments of the present invention; for those of ordinary skills; do not paying under the prerequisite of creative work; can also according to these accompanying drawings, obtain other accompanying drawing, all belong to protection scope of the present invention.
The present invention relates to method for designing and system that a kind of electric power communication network network merges test platform, it is characterized in that comprising following part: power business generator, traffic-shaped device, network simulator, also comprise flow probe and comprehensive management platform.
Wherein, energy communication service generator mainly comprises that business searches bivariate table module, diversified package module, path switching module, and each module realizes:
Business is searched bivariate table module, by electrical production business demand, distinguish list, from power business stipulations (IEC61850, IEC60870-5-101, IEC60870-5-104) and two dimensional space of device type, form business bivariate table, for energy communication service maker, according to bivariate table, search the data type of corresponding service terminal and generation thereof, generate the business datum that meets electric power stipulations;
Variation package module, for adopting multi-protocol encapsulation for dissimilar bag.Wherein, the User Priority territory in VLAN tag (virtual local area network tags) can be mapped in MPLS (multiprotocol label switching), and the QoS realizing based on the grade of service ensures;
Path switching module, for after communication link fails, can provide a restoration path rapidly.By revising Forwarding plane, flow switch is gone to precalculated backup path, fill up route and heavily restrain gap, by flow is switched to backup down hop fast, guarantee that power business does not interrupt, rete mirabile defencive function is provided;
Traffic-shaped device module is carried out traffic management, business management and control to Business Stream when the generation of emulation energy communication service data access network simulator;
Network simulator module, tested power telecom network is carried out to emulation: the access of network simulator artificial service data source, according to terminal traffic feature, carry out virtual local area network tags sign, the service message stream of virtual local area network tags sign carries out traffic classification in simulator porch by Access Control List (ACL), with reference to 802.1p priority, search loss priority and the local first level that mapping table obtains message and automatically to message, distribute a set of service parameter, according to stream flow to the painted processing of message, by traffic policing, supervise the speed of flow, if flow exceeds the specification of appointment, just abandon the priority that those exceed the message of specification or reset them,
Flow probe module is monitored and distinguishing tests stream and actual electric power Business Stream completing the Business Stream of power business transmission;
Comprehensive management platform mainly comprises: four modules such as service controller, business terminator, traffic analyser, business datum conversion and transponder;
Service controller, according to the different business configuration service source of the network carrying and business termination analyzer parameter, comprises length of testing speech, port, source address or destination address;
Business terminator extract end points artificial service and practical business stream information, distinguish actual traffic data and artificial service data the artificial service that terminates according to test service stream label;
Traffic analyser statistic analysis packet obtains the test index data such as time delay, packet loss;
Business datum conversion and transponder are mainly processed the business datum message receiving, and according to stipulations message format, the packet parsing receiving are processed, and can convert required stipulations message format to, and complete forwarding;
According to the structure of test platform, in conjunction with the testing procedure shown in Fig. 1, the method for designing that a kind of electric power communication network network merges test platform is proposed:
Step 101, according to the different business test of the network carrying, by service controller configuration service generator and the business corresponding parameter of analyzer that terminates, comprise length of testing speech, port, source address and destination address etc.;
Step 102, according to energy communication service testing requirement, determine that business searches bivariate table, according to business, follow electric power communication protocol and business pests occurrence rule, search business bivariate table and generate service signal source; Or collection site terminal traffic information data transmission, using testing system platform as transmission platform, the analysis of obtaining that simultaneously can be to practical business;
According to testing system platform, access different power communication level of net, business generator simulation Access Layer service terminal feature produces corresponding service terminal data, or can, according to the analog ligand Network Communication net convergence-level service source feature in step 103, in the network layer packet header of the power business data that produce, add the signs such as corresponding MPLS (multiprotocol label switching), VLAN tag (VLAN);
Step 104, according to described test, input flow rate service label is identified, by token bucket methodology to outgoing traffic traffic shaping, by acceptance controlling method in step 105, input flow rate is judged whether to meet flow rule, when service traffics meet rule, carry out operational trials, otherwise re-start the access service stream in step 102;
According to aforesaid testing procedure and test service connection setup principle, as carried out end-to-end traffic transmission by analog network simulator or practical communication net in step 106, test power telecom network performance;
Step 107, finishing service configuration and Business Stream transmission, utilize business terminator extract end points artificial service and practical business stream information, according to test service stream label, distinguishes actual traffic data and artificial service data the artificial service that terminates; The Business Stream obtaining is transferred to traffic analyser, and statistic analysis packet obtains the test index data such as maximum traffic terminal access amount;
Below the method for testing flow process of typical test item is described in detail, first with reference to shown in Fig. 2, service terminal bearing capacity method of testing being described in detail:
Step 201, by the generation of business maker analog simulation list type or single service terminal (FTU/TTU/DTU/IED etc.) business datum, as the initial number of test service terminal bearing capacity;
By on-the-spot power telecom network, carry out business transmission, according to the testing procedure of Fig. 1, as shown in step 202, utilize testing system platform to obtain the business Time delay measurement value in some cycles;
Step 203, by the contrast of thermometrically value and power telecom network construction criteria index, can the service traffics of testing current terminal access amount meet system requirements, when not meeting time delay index demand, adopt in step 204 the multiplication service terminal quantity of successively decreasing, be kept to half of current terminal quantity, re-execute step 202 test;
When meeting time delay desired value, according to addition shown in step 204, increase progressively service terminal quantity, increase the service terminal of some, can add variety classes terminal according to field demand simultaneously, obtain Time delay measurement value, according to step 203, contrast;
Circulation execution step 203,204,202,205; Until time delay value in the Time delay measurement value that in step 206, contrast is obtained and acceptance criteria, when reaching 80% or higher or lower claimed range of standard gauge typical value, testing system platform obtains current terminal kind, quantity information, obtains the terminal bearing capacity assessment of power telecom network.
Example of the present invention, with reference to shown in Fig. 3, the online rate method of testing of service terminal being described in detail:
The terminal number n of testing system platform statistics access during test, i.e. online terminal number during initial test, and the current test initial time of record preservation,
When testing system platform and terminal carrying out service transmission, whether monitoring terminal is online, and off-line terminal is added up to the corresponding off-line time;
In test process, add up the accumulative total duration t of the terminal number of off-line and the off-line terminal of correspondence
i, calculate length of testing speech t;
Obtain the online rate of live traffic terminal
obtain the online rate test of terminal, owing to having used the function of Online statistics, the normal work period of distribution communication network is again carried out the online rate test of self-defined length of testing speech.
Disclosed another the electric power communication network network of the embodiment of the present invention merges the system structure design of test platform; as shown in Figure 4; its test basic procedure is identical with Fig. 1; this test system structure figure is only a kind of embodiment of the present invention; for those of ordinary skills; do not paying under the prerequisite of creative work, can also obtain other Testing Platform figure according to these systems, all belonging to protection scope of the present invention.
Before test platform operational trials, utilize test macro clock synchronous by business generator parameter and comprehensive management platform clock synchronous;
Utilize gps time receiver, be connected with business generator side and comprehensive management platform respectively, for time synchronized; Adopt service controller further to complete and synchronize with the clock synchronous message interaction between business generator simultaneously;
Business side adopts energy communication service generator and on-site terminal combination to realize, and produces artificial service and actual traffic data, can add the electric power auxiliary activities streams such as video, voice simultaneously;
The artificial service stream forming can be according to different label, the virtual local area network tags of adding multiprotocol label switching of access level;
By the token bucket strategy in traffic-shaped device, receiving, control the management and control to incoming traffic stream, met distribution communication network Business Stream feature;
Transmission pipeline adds tag identifier path to Business Stream, and to complete path switching, the power telecom network platform of transmitting business stream can be analog network simulator, also can be on-the-spot real network;
Business Stream probe is to the Business Stream distinguishing tests business and the live traffic that receive, and termination test transmission artificial service are to traffic analyser, and actual field business continues operation according to actual measurement flow process;
Utilize ASDU in the stipulations definition frame form of IEC60870-5-101 and IEC60870-5-104 to define identical feature, and 104 is that the networking access protocol of 101 stipulations is realized business datum conversion and forwarded;
Message to the application layer receiving in physical layer is parsed, and by business datum, changes and transponder is realized message conversion, realizes and by serial ports or network interface, completes forwarding with 101,104 or 61850 message formats, realizes and other stipulations platform intercommunications;
The framework of design software being realized to test platform is below introduced.With reference to information communication being merged to test platform software architecture shown in Fig. 5, main modular wherein realized to main points describe in detail:
Hardware support platform in step 501, adopts embedded operation reduced instruction set computer, and Windows operating system or (SuSE) Linux OS are operated in the bottom hardware platform function is expanded;
Communications analysis platform in step 502, take Windows operating system or (SuSE) Linux OS as basis, is responsible for collecting global simulation variable, comprises offered load rate, communication link utilance, message time delay, and the assessment result of communication performance is shown to user;
Modification and the adjustment of the global simulation variable in step 503 need simulation modeling, simulation model advances simulated program on time shaft, according to the association attributes of information (delay requirement, message size etc.), and according to procotol, the information that node need be sent forms the packet of different sizes, different priorities, different transmitting times, realizes the accurate simulation to network traffics;
Simulation model in step 503, adopt the OO design philosophy of programming language C# to reproduce network topology structure, adopt compound on-off data source to generate the overlaying flow of a plurality of data flow, each on-off source is corresponding to a session, according to Ingress node request, the corresponding data source object of D ynamic instantiation, and generate on-off flow;
Network device model in step 504, realize simulation hub, bridge, switch, router, from main runnable interface call driver artificial service data source access, according to terminal traffic feature, carry out virtual local area network tags, the service message stream of virtual local area network tags mark carries out traffic classification in simulator porch by Access Control List (ACL), User Priority territory in virtual local area network tags is mapped in multiprotocol label switching, and the QoS realizing based on the grade of service ensures;
Netprotocol model in step 505, calls SQLite database parameter formation business and searches bivariate table, by main communication protocol direct API Calls in programming language, obtains required testing equipment and the data test signal of test program;
Application testing routine interface in step 506, by multithreading, arrive main runnable interface, main runnable interface is on the basis of ICT test platform Database, the window compiling by C# adds testing equipment data and data test signal to SQLite lane database, call various functional modules and data module, the expansion of realization to the configuration of the management of database, test assignment and platform feature
By the traffic frame form shown in Fig. 6 and aforementioned method of testing, the indexs such as the online rate of test analysis terminal, packet loss, business completion rate.
The disclosed electric power communication network network based on business transmission of the embodiment of the present invention merges test platform, has defined a kind of traffic frame form, and emulation power business data are added 10 bytes as service identification subtest simultaneously;
The disclosed a kind of frame format of embodiment shown in Fig. 6, adds 10 byte service identification sections in data link layer, comprises that 3 byte business packet sequence numbers and 7 byte messages generate markers;
To VLAN ID section, can divide according to different access levels, different VLANs, realize this section of reconstruction of content, thereby can meet corresponding network feature under different access level, complete the service access of test platform; The invention is not restricted to this, the respective identification Duan Junke such as multiprotocol label switching, Packet Transport Network are transformed by the method simultaneously, within all belonging to protection range of the present invention;
Add 3 byte business packet sequence numbers, during test, bag sequence number is increased progressively successively when giving out a contract for a project at every turn, and recycle sequence number, bag counting during subtest;
Add 7 byte messages and generate markers, add markers sign when message generates encapsulation, comprehensive management platform analytic message also reads time scale information; Bag propagation delay time test during subtest;
Bid section while generating by bag sequence number field and message, realizes the distribution communication network service bearer performance tests such as Packet Delay, data-bag lost, data packet retransmission, packet loss;
Certainly, those skilled in the art in the art will be appreciated that, above-described embodiment is only for the present invention is described, the present invention describes in detail according to the order of Design of Test System method, method of testing, Testing Platform, service source modelling, and not as limitation of the invention;
The parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element; To select according to the actual needs some or all of module wherein to realize the object of the present embodiment scheme.Anyly be familiar with those skilled in the art, in the technical scope disclosing in the present invention, the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.
Claims (10)
1. an electric power communication network network merges method for designing and the system of test platform, it is characterized in that comprising following part: energy communication service generator, traffic-shaped device, network simulator, and flow probe and comprehensive management platform, and utilize the combination design software of test platform functional module to realize framework, simultaneously, its feature is further comprising the steps of: energy communication service generator simulation power telecom network Access Layer service terminal produces individual features power business data, can simulate power telecom network convergence-level service feature simultaneously, corresponding multiprotocol label switching is added in network layer packet header in the business datum producing, the signs such as VLAN, by traffic shaper to business datum flow shaping, the energy communication service stream of generation is transmitted by actual power telecom network or network simulator, on comprehensive management platform, utilize flow probe business datum to be received and the distribution communication network performance index of statistical analysis based on power business carrying.
2. test platform according to claim 1, is characterized in that:
A1, business are searched bivariate table module, by electrical production business demand, distinguish list, from power business stipulations and two dimensional space of device type, form business bivariate table, for power business maker, according to bivariate table, search the data type of corresponding service terminal and generation thereof, generate and meet the business datum that comprises IEC61850, IEC60870-5-101 and IEC60870-5-104 electric power stipulations;
B1, diversified package module, for adopting multi-protocol encapsulation for dissimilar bag, wherein, the User Priority territory in virtual local area network tags can be mapped in multiprotocol label switching, thereby realizes the QoS based on the grade of service;
C1, path switching module, for a restoration path is provided rapidly after communication link fails, by revising Forwarding plane, flow switch is gone to precalculated backup path, fill up route and heavily restrain gap, by flow is switched to backup down hop fast, guarantee that energy communication service does not interrupt, rete mirabile defencive function is provided;
D1, power business data transaction and transponder, by design business stipulations frame format database, when receiving 101 stipulations message, convert 104 message repeatings to, or while receiving 104 stipulations message, convert 101 message repeatings to, compatible to IEC 61850, IEC60870-5-101, IEC60870-5-104 business stipulations, make business stipulations message receive and to convert network interface to and send with 101 serial ports, or opposite transition, provide multipath business to transmit and complete the intercommunication of many test platforms.
3. test platform according to claim 2, it is characterized in that: by business, search bivariate table, according to the type of service of the actual measurement network carrying, utilize the access of power communication terminal to produce actual polytype power business data, also can produce simulation electric power business datum and auxiliary electrical communication service data by energy communication service generator simultaneously.
4. according to the business generator described in claim 2 or 3 and variation encapsulation, it is characterized in that: according to the hierarchy of power telecom network, can be according to the different Business Streams with individual features that produce of the access level of test platform, at Access Layer access test platform, directly produce emulation power business data or access service terminal equipment produces on-the-spot real data; At convergence-level access test platform, the business datum producing, by the self-defined encapsulation again of data packet head, is added the signs such as multi-protocol label switching (T-MPLS) label, virtual local area network tags according to network equipment transmission process feature in corresponding encapsulation packet header.
5. traffic-shaped device according to claim 1, it is characterized in that: in artificial service data, generate and access network simulator, carrying out service traffics shaping makes it be adapted at accessing lateral terminal user to connect by signaling, submit to network to divide and carry out flow control the flow of service terminal, according to the flow division and the connection that provide, carry out traffic shaping.
6. network simulator according to claim 1, it is characterized in that: for to network equipment artificial network structure and network characteristics such as the actual power telecom network engineering utilization switch that will test, routers, business data transmission platform is provided, the communication protocol followed for power business produces business data packet, the bag of encapsulation is stamped to pipeline mark and add traffic sequence number and carry out route classification and Path selection.
7. flow probe according to claim 1, it is characterized in that: flow probe is concatenated into switch ports themselves, open port mapping function, the flow of each port is mapped to the port that flow probe has been installed, for only by just can collect the flow informations such as a plurality of port source IP addresss, object IP address, bag number, byte number to the monitoring of a port.
8. comprehensive management platform according to claim 1, is characterized in that: service controller and business termination analyzer, consist of, test process is:
A2, power business controller, according to the different business configuration service source of the network carrying and business termination analyzer parameter, comprise length of testing speech, port, source/destination address etc.;
B2, power business termination analyzer extract end points artificial service and practical business stream information, distinguish actual traffic data and artificial service data the artificial service that terminates according to test service stream label, and statistic analysis packet obtains time delay, packet loss etc.
9. according to the method for testing described in claim 6, it is characterized in that: the test of simulator Network Based also comprises the control procedure to the power business traffic shaping of described network simulator carrying;
A3, according to power business, search bivariate table different power business terminals, type of service are divided to Admission Criterion;
B3, according to terminal, to network description, apply for that the discharge characteristic and the desired network performance objective thereof that connect determine that whether accessing this connection receives control, once network allows this connection access, user has just formed user network flow criterion to the description of this connection traffic characteristic and desired network performance objective thereof;
C3, service traffics Shaping Module are for the traffic shaping to power business data, and the periodic traffic data that business generator is produced, burst service data etc. are carried out traffic shaping.
10. according to test platform and method of testing described in claim 2 or 3 or 4 or 5 or 6, it is characterized in that: the described reliability of electric force communication network index test based on service bearer is the completion rate of emulation or actual full-service flow process, the service fail number of times being caused by message disappearance while being included in full-service flow process message interaction, the ratio of the operation flow completing and total business number of times is business completion rate; Described time delay index is that test platform is applied in mixed networking in different segment situation, or the statistics of the business data packet end-to-end delay in the whole network section situation; Described packet loss for the number of dropped packets between giving out a contract for a project of causing of network performance based on service bearer and packet receiving number with give out a contract for a project number.
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