CN104868592A - Inter-network information system application state supervision system - Google Patents
Inter-network information system application state supervision system Download PDFInfo
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- CN104868592A CN104868592A CN201510111782.0A CN201510111782A CN104868592A CN 104868592 A CN104868592 A CN 104868592A CN 201510111782 A CN201510111782 A CN 201510111782A CN 104868592 A CN104868592 A CN 104868592A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
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Abstract
The invention relates to an inter-network information system application state supervision system. The inter-network information system application state supervision system includes a business supporting layer, a protocol layer, a core service layer and a business interface layer; the business supporting layer performs logical processing on operation information of a user, and transmits results after processing to the protocol layer; the protocol layer receives state information data transmitted by the core service layer and result information data after logical processing which are transmitted by the business supporting layer, and processes the state information data and the result information data so as to obtain data with a unified format, and transmits the unified result information data to the core service layer and transmits the unified state information data to the business supporting layer; the core service layer receives data transmitted by the protocol layer and the interface layer, and transmits state information data of a power information system to the protocol layer and the business interface layer; the business interface layer receives the state information data transmitted by the core service layer, and transmits the state information data to a corresponding interface in the business interface layer; and the interface transmits the state information data to the user.
Description
Technical field
The present invention relates to power information system regulation technique field, especially a kind of information system application state supervisory systems of across a network.
Background technology
The supervision of power information system application state is very crucial for the normal operation of electric power networks, it comprises the early warning to electric power networks Intranet each information system links running status, be convenient to the state that technical staff grasps system cloud gray model in time, comprise the security of operation of power information system.
At present for power information system supervision only actual there occurs fault after, just pinpoint the problems in message scheduling center, but late.Therefore, in the urgent need to building comprehensive information system monitoring system, go deep into internal system operating structure and carry out monitoring and early warning, and can feed back to the operation maintenance personnel in any place in real time, operation maintenance personnel can initiatively check every operational factor simultaneously, when system is about to occur dangerous, the company that rushes towards in time processes, and promotes the fail safe that information system is run.Meanwhile, the existing agreement adopted due to each communication network for the supervision of power information system is not agreed to, causes the information transmission that supervision information cannot realize across communication network, makes the compatibility of system not high.
Summary of the invention
In view of this, the present invention is directed to the existing monitoring and managing method for power information system initiatively cannot carry out monitoring and early warning, and cannot realize the defect transmitting supervision information across communication network, provides a kind of information system application state supervisory systems of across a network.
An information system application state supervisory systems for across a network, it comprises business support layer, protocol layer, kernel service layer and business interface layer:
Business support layer, based on browser/server framework, for for using the user of various telecommunication carrier networks to provide operation interface, and carries out logical process to the operation information of user, and the object information after logical process is sent to protocol layer;
Protocol layer for receive kernel service layer send status information data and business support layer send logical process after object information data, and according to the packet feature receiving data, the data obtaining uniform protocol form are processed to the object information data after logical process and status information data, and the object information data of uniform protocol form are sent to kernel service layer, the status information data of uniform protocol form is sent to business support layer;
Kernel service layer for receiving the data of protocol layer and interface layer transmission, and is supervised the state of power information system, and status information data is sent to protocol layer and business interface layer;
The status information data that business interface layer sends for receiving kernel service layer, and this status information data is sent to corresponding interface in business interface layer, in interface layer, status information data is sent to user by corresponding interface.
The present invention is directed to the limitation existing for the existing monitoring and managing method for power information system, the information system application state supervisory systems of the across a network provided, by being business support layer, protocol layer, kernel service layer, business interface layer by system divides, the transmission of information mutually can be carried out between each layer, there is each level relatively independent simultaneously, make the stability of native system high.And the data of protocol layer and interface layer transmission are received by kernel service layer, and the state of power information system is supervised, and status information data is sent to protocol layer and business interface layer, can realize immediately the state information of power information system being sent, be convenient to technical staff and carry out active monitoring.And, according to the packet feature receiving data, the data obtaining uniform protocol form are processed to the object information data after logical process and status information data by protocol layer, make across a network of the present invention information system application state supervisory systems can framework in the Internet, China Telecom, China Mobile, CHINAUNICOM and other telecom operators note and data network on, compatible high.
Accompanying drawing explanation
Fig. 1 is the information system application state supervisory systems structured flowchart of the across a network that embodiment of the present invention provides.
Embodiment
Principle of the present invention is as follows, as shown in Figure 1, a kind of information system application state supervisory systems of across a network, it comprises business support layer 100, protocol layer 200, kernel service layer 300 and business interface layer 400:
Business support layer 100 is based on browser/server (B/S) framework, for for using the user of various telecommunication carrier networks to provide operation interface, and logical process is carried out to the operation information of user, and the object information after logical process is sent to protocol layer 200.Telecommunication carrier networks comprises China Mobile, China Telecom, CHINAUNICOM etc.
Protocol layer 200 for receive kernel service layer 300 send status information data and business support layer 100 send logical process after object information data, and according to the packet feature receiving data, the data obtaining uniform protocol form are processed to the object information data after logical process and status information data, and the object information data of uniform protocol form are sent to kernel service layer 300, the status information data of uniform protocol form is sent to business support layer 100.
Alternatively, protocol layer 200 comprises application access gateway server 210 (AAG) and router two 20; Application access gateway server 210, for the data of the different agreement using the user of different telecommunication carrier networks to send being converted to the data of uniform protocol, realizes the communication used between the user of different telecommunication carrier networks; Router two 20 is for being sent to kernel service layer 300 by the data after translation-protocol, and the data for being sent by kernel service layer 300 are sent to application access gateway server 210.
Alternatively, the agreement that each telecom operators use comprises short message protocol and data network protocol; Wherein short message protocol comprises SMPP agreement, CMPP agreement, Session Initiation Protocol, SMGP agreement, CNGP agreement, ISAG/ISMP agreement, short message protocol is connected with Short Message Service Gateway, carries out short message interacting for the information system application state supervisory systems and user realizing this across a network; Data network protocol comprises HTTP/HTML, SOAP/XML agreement, and it is mutual that data network protocol carries out data network for the information system application state supervisory systems and user realizing this across a network.
The similar bus with computer of the effect of protocol layer 200, also can be called flexible bus.Said short message agreement and data network protocol are all standard agreements, can facilitate the functional module and being connected between native system that newly add.
According to the packet feature receiving data, the data obtaining uniform protocol form are processed to the object information data after logical process and status information data by protocol layer 200, make across a network of the present invention information system application state supervisory systems can framework in the Internet, China Telecom, China Mobile, CHINAUNICOM and other telecom operators note and data network on, compatible high.
Kernel service layer 300 for receiving the data of protocol layer 200 and interface layer transmission, and is supervised the state of power information system, and status information data is sent to protocol layer 200 and business interface layer 400.
The unified management of kernel service layer 300 by accessing various network service, complete the unified management to service, such as to the management of the detailed service data of the unified management of all service resource requirements, system, the multiple kernel service etc. such as management, network management of safety certification, thus complete fusion at technological layer.
Alternatively, kernel service layer 300 comprises database 310, message resolution module 320, message processing module 330, monitoring module 340.
Database 310 is for the operation state information of store power information system; Data after the translation-protocol that message resolution module 320 sends for receiving router 220, and the resolving information obtained wherein is resolved to the data after agreement after turning, and resolving information is sent to message processing module 330; Information after process for processing resolving information, and is sent to business interface layer 400 and protocol layer 200 by message processing module 330; The operation state information that monitoring obtains for monitoring the operation state of power information system, and is sent to message processing module 330 and database 310 by monitoring module 340.
Alternatively, message processing module 330 comprises the first keyword filtration unit 331, business route 332, distribution of services interface 333, second keyword filtration unit 334, priority transmitting element 335, transmit queue unit 336, multithreading transmitting element 337.
First keyword filtration unit 331 for filtering the short breath that user sends according to first content filtering rule, and by filter after short message sending to business route 332.
Business route 332 for according to filter after short message content by short message sending to distribution of services interface 333.
Distribution of services interface 333 for the business categorizing that prestores according to it by interfaces different in short message sending to business interface layer 400.
Information after filtering for the information received from business interface layer 400 being filtered according to the second information filtering rule, and is sent to priority transmitting element 335 by the second keyword filtration unit 334.
Priority transmitting element 335 arranges the transmission priority of the information after filtration for the priority rule prestored according to it, and is sent to transmit queue unit 336 by addition of the information sending priority.
Transmit queue unit 336 is for being sent to multithreading transmitting element 337 by addition of the information sending priority.
Multithreading transmitting element 337 is for being sent to message resolution module 320 by addition of the information sending priority.
Alternatively, monitoring module 340 comprises operation monitoring unit 341, logging unit 342, system parameters dispensing unit 343, business route setting unit 344, statistical analysis unit 345, third party's interface unit 346;
The operation state information that monitoring obtains for monitoring the operation state of power information system, and is sent to statistical analysis unit 345 and database 310 by operation monitoring unit 341.
Logging unit 342 carries out record for the short message interacting record to user, operation note, and the information of record is sent to database 310 and statistical analysis unit 345.
System parameters dispensing unit 343 is configured for the operational factor of the information system application state supervisory systems to this across a network.
Business route setting unit 344 is for arranging the delineation of activities of business route 332.
Statistical analysis unit 345 for run control unit or operation state analyze, and the operation state information of analysis is sent to message processing module 330 and database 310; And carry out statistical analysis for the short message interacting record of the user that sends logging unit 342, operation note information, and the short message interacting record of the user after analyzing, operation note information are sent to database 310 and message processing module 330.
Third party's interface unit 346 is for providing Function Extension interface.
The status information data that business interface layer 400 sends for receiving kernel service layer 300, and this status information data is sent to corresponding interface in business interface layer 400, in interface layer, status information data is sent to user by corresponding interface.
Alternatively, business interface layer 400 comprises dynamic link library/executable file interface (DLL/EXE) 420, sockets interface (SOCKET) 430, HTTP GET interface 440 and other interfaces 410.Analyzed by the return code of the http protocol returned HTTP GET interface 440, the detection of the applicable cases to power information system can be realized.Analyzed by the analyzer mistake return code returned dynamic link library/executable file interface 420, the monitoring to database 310 can be realized.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.Professional can also recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, in the above description according to the functional composition and the step that generally describe each example.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not exceed scope of the present invention.The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in random access memory, internal memory, read-only memory, electrically programmable ROM, electricity can sassafras except any other forms of storage medium known in programming ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Be understandable that, for the person of ordinary skill of the art, other various corresponding change and distortion can be made by technical conceive according to the present invention, and all these change the protection range that all should belong to the claims in the present invention with distortion.
Claims (7)
1. an information system application state supervisory systems for across a network, is characterized in that, it comprises business support layer, protocol layer, kernel service layer and business interface layer:
Business support layer, based on browser/server framework, for for using the user of various telecommunication carrier networks to provide operation interface, and carries out logical process to the operation information of user, and the object information after logical process is sent to protocol layer;
Protocol layer for receive kernel service layer send status information data and business support layer send logical process after object information data, and according to the packet feature receiving data, the data obtaining uniform protocol form are processed to the object information data after logical process and status information data, and the object information data of uniform protocol form are sent to kernel service layer, the status information data of uniform protocol form is sent to business support layer;
Kernel service layer for receiving the data of protocol layer and interface layer transmission, and is supervised the state of power information system, and status information data is sent to protocol layer and business interface layer;
The status information data that business interface layer sends for receiving kernel service layer, and this status information data is sent to corresponding interface in business interface layer, in interface layer, status information data is sent to user by corresponding interface.
2. the information system application state supervisory systems of across a network as claimed in claim 1, it is characterized in that, protocol layer comprises application access gateway server and router; Application access gateway server is used for the data data of the different agreement using the user of different telecommunication carrier networks to send being converted to uniform protocol, realizes the communication used between the user of different telecommunication carrier networks; Router is used for the data after translation-protocol to be sent to kernel service layer, and is sent to application access gateway server for the data sent by kernel service layer.
3. the information system application state supervisory systems of across a network as claimed in claim 2, it is characterized in that, the agreement that each telecom operators use comprises short message protocol and data network protocol; Wherein short message protocol comprises SMPP agreement, CMPP agreement, Session Initiation Protocol, SMGP agreement, CNGP agreement, ISAG/ISMP agreement, short message protocol is connected with Short Message Service Gateway, carries out short message interacting for the information system application state supervisory systems and user realizing this across a network; Data network protocol comprises HTTP/HTML, SOAP/XML agreement, and it is mutual that data network protocol carries out data network for the information system application state supervisory systems and user realizing this across a network.
4. the information system application state supervisory systems of across a network as claimed in claim 1, it is characterized in that, kernel service layer comprises database, message resolution module, message processing module, monitoring module;
Database is used for the operation state information of store power information system; Message resolution module is used for the data after the translation-protocol of receiving router transmission, and resolves to the data after turning rear agreement the resolving information obtained wherein, and resolving information is sent to message processing module; Message processing module is used for processing resolving information, and the information after process is sent to business interface layer and protocol layer; Monitoring module is used for monitoring the operation state of power information system, and the operation state information that monitoring obtains is sent to message processing module and database.
5. the information system application state supervisory systems of across a network as claimed in claim 4, it is characterized in that, message processing module comprises the first keyword filtration unit, business route, distribution of services interface, multithreading transmitting element, transmit queue unit, priority transmitting element, the second keyword filtration unit;
First keyword filtration unit is used for filtering the short breath that user sends according to first content filtering rule, and by the short message sending after filtration to business route;
Business route is used for the short message content after according to filtration by short message sending to distribution of services interface;
Distribution of services interface is used for interfaces different in short message sending to business interface layer according to its business categorizing prestored;
Second keyword filtration unit is used for the information received from business interface layer to filter according to the second information filtering rule, and the information after filtering is sent to priority transmitting element;
Priority transmitting element is used for the transmission priority arranging the information after filtration according to its priority rule prestored, and is sent to transmit queue unit by addition of the information sending priority,
Transmit queue unit is used for being sent to multithreading transmitting element by addition of the information sending priority;
Multithreading transmitting element is used for being sent to message resolution module by addition of the information sending priority.
6. the information system application state supervisory systems of across a network as claimed in claim 5, it is characterized in that, monitoring module comprises operation monitoring unit, logging unit, system parameters dispensing unit, business route setting unit, statistical analysis unit, third party's interface unit;
Operation monitoring unit is used for monitoring the operation state of power information system, and the operation state information that monitoring obtains is sent to statistical analysis unit and database;
Logging unit carries out record for the short message interacting record to user, operation note, and the information of record is sent to database and statistical analysis unit;
System parameters dispensing unit is used for being configured the operational factor of the information system application state supervisory systems of this across a network;
Business route setting unit is used for arranging the delineation of activities of business route;
Statistical analysis unit be used for run control unit or operation state analyze, and the operation state information of analysis is sent to message processing module and database; And carry out statistical analysis for the short message interacting record of the user that sends logging unit, operation note information, and the short message interacting record of the user after analyzing, operation note information are sent to database and message processing module;
Third party's interface unit is used for providing Function Extension interface.
7. the information system application state supervisory systems of across a network as claimed in claim 1, it is characterized in that, business interface layer comprises dynamic link library/executable file interface, sockets interface, HTTP GET interface.
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| CN201510111782.0A CN104868592B (en) | 2015-03-13 | 2015-03-13 | The information system application state supervisory systems of across a network |
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| CN201510111782.0A CN104868592B (en) | 2015-03-13 | 2015-03-13 | The information system application state supervisory systems of across a network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112165430A (en) * | 2020-09-24 | 2021-01-01 | 北京百度网讯科技有限公司 | Data routing method, device, equipment and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1946031A (en) * | 2006-10-27 | 2007-04-11 | 天津市雅浪通讯技术有限公司 | Central managing system and method for multiple protocol data and transmission network device |
| US20110185198A1 (en) * | 2010-01-25 | 2011-07-28 | Masakazu Ukita | Electronic appliance, power management apparatus, and method of identifying appliance |
| CN102611578A (en) * | 2012-03-15 | 2012-07-25 | 中兴通讯股份有限公司 | Network equipment data management system in multi-network-equipment environment |
| CN103593804A (en) * | 2013-10-29 | 2014-02-19 | 国网辽宁省电力有限公司信息通信分公司 | Electric power information communication scheduling and monitoring platform |
-
2015
- 2015-03-13 CN CN201510111782.0A patent/CN104868592B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1946031A (en) * | 2006-10-27 | 2007-04-11 | 天津市雅浪通讯技术有限公司 | Central managing system and method for multiple protocol data and transmission network device |
| US20110185198A1 (en) * | 2010-01-25 | 2011-07-28 | Masakazu Ukita | Electronic appliance, power management apparatus, and method of identifying appliance |
| CN102611578A (en) * | 2012-03-15 | 2012-07-25 | 中兴通讯股份有限公司 | Network equipment data management system in multi-network-equipment environment |
| CN103593804A (en) * | 2013-10-29 | 2014-02-19 | 国网辽宁省电力有限公司信息通信分公司 | Electric power information communication scheduling and monitoring platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112165430A (en) * | 2020-09-24 | 2021-01-01 | 北京百度网讯科技有限公司 | Data routing method, device, equipment and storage medium |
| CN112165430B (en) * | 2020-09-24 | 2024-02-13 | 阿波罗智联(北京)科技有限公司 | Data routing method, device, equipment and storage medium |
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| CN104868592B (en) | 2017-06-20 |
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