CN109088860A - A kind of cross-safety zone data transmission scheduling method and system - Google Patents
A kind of cross-safety zone data transmission scheduling method and system Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
- H04L67/61—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources taking into account QoS or priority requirements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
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Abstract
Technical solution of the present invention includes a kind of cross-safety zone data transmission scheduling method and system, for realizing: the area I and the data interaction of the area IV to power distribution automation cross-safety zone create one or more sets forward and reverse isolating devices, and every forward and reverse isolating device of set is provided with virtual channel；Real-time, importance and data flow characteristic is handed over to be divided according to the area I of power distribution automation cross-safety zone and the area IV data；The data in the area IV are transmitted to the area I and the area IV is transmitted to the execution Dynamic Scheduling Strategy in the area I, the Dynamic Scheduling Strategy is scheduled optimization according to monitoring information for monitoring virtual channel.The invention has the benefit that establishing more set virtual channels for power distribution automation cross-safety zone using forward and reverse isolating device is covered more, leading to multipair virtual channel performance monitoring, realize load balancing；The data flow characteristic in analysis power distribution automation main station cross-safety zone network carries out hierarchical transmission to data, guarantees its service quality.
Description
Technical field
The present invention relates to a kind of cross-safety zone data transmission scheduling method and systems, belong to electric power and computer field.
Background technique
State Grid Corporation of China proposes that power distribution automation main station system should support from the actual demand of production run department
Across production control great Qu and management information great Qu, demand is managed in the operation monitoring and operating status for meeting power distribution network, and support is matched
Power grid regulation operation, production O&M, provide technical support for power distribution network net lean management.Power distribution automation main station is across production
Control great Qu (referred to as " area I ") and management information great Qu (referred to as " area IV "), the area I and the section IV largely, randomly transregional data
How transmission guarantees that real-time, the reliability of data transmission become the key of design.It is passed thus for the transregional data in the area I and the area IV
Defeated mode is different, separately designs transregional data transmission scheduling method, to guarantee real-time, the reliability of data transmission.
The transregional message transmission of power distribution automation is divided into 3 parts, 1. across positive isolating device and reverse isolation device data
Transmission；2. each business datum tissue and scheduling before across positive isolating device；3. each business between across reverse isolation device
Data are packaged into the scheduling of file, file.The area ①Zhong I to the area IV is transmitted through positive isolating device, using socket mode,
Each producer itself guarantees its reliability, data integrity when realizing across the transmission of positive isolating device；1. the area Zhong Cong IV is passed through to the area I
The transmission of direction isolating device, using file mode, the program provided by direction isolating device producer realizes that data are transmitted and guaranteed
Its data integrity.It is different for each business datum real-time, importance in 2., data biography is carried out during data organization
Defeated, scheduling, its essence is typical queue schedulings, have first in first out (FIFO), priority team for queue scheduling algorithm at present
Arrange (PQ), Weighted Fair Queuing, based on classification weighted queue scheduling etc. modes.It is written for business datum assembling each in 3.
Part need to require to consider file size, priority scheduling according to real-time performance when assembling file.For file assembling, preferential tune
Degree does not see related data temporarily at present.
First Come First Served (FCFS) scheduling strategy is generally used for the transmission of transregional data at present, leads to real-time, safety
Critical data real-time, transmission priority cannot be guaranteed, especially under the harsh conditions such as network congestion, broadcast storm
It is difficult to ensure real-time, the reliability of critical information streams.The problems such as causing transmission delay shake and packet loss.Or according to traditional
The position in " doing one's best " routing algorithm and source, destination node, the data volume transmitted on different virtual links, but in network
In communication process, the mutability of data traffic is very strong, is likely to result in unreasonable, the virtual chain having of virtual link distribution flow
Road congestion, some virtual links are idle, and the load imbalance of each virtual link, Internet resources can not be utilized rationally, internetworking
It can reduce, service quality cannot be guaranteed.
Summary of the invention
The present invention provides a kind of cross-safety zone data transmission scheduling method and system, using covering forward and reverse isolating device more,
More set virtual channels are established, by realizing load balancing to virtual channel performance monitoring；According to its real-time, importance and I
The data characteristics of area's transregional transmission in area to IV and IV to I propose that the area I gets in touch with Qos's according to data transport priority, virtually to IV
Scheduling strategy, IV to the area I determine the file transmitting and scheduling of its priority, data file quantity according to real-time property, importance
Strategy realizes the real-time data transmissions such as key, real-time remote signalling variation, request-reply, non-security-critical data such as section number
It is called according to, external system and the data such as service is externally provided and transmitted in time, guarantee its service quality.
Technical solution of the present invention includes a kind of cross-safety zone data transmission scheduling method, which is characterized in that the method
The following steps are included: data isolation, is creating one or more sets just to the area I and the data interaction of the area IV of power distribution automation cross-safety zone
Reverse isolation device, every forward and reverse isolating device of set are provided with virtual channel；Optimized Operation, including data divide and data tune
Degree, wherein data, which are divided, hands over real-time, importance and data flow according to the area I of power distribution automation cross-safety zone and the area IV data
Characteristic is divided；Wherein, the step of data dispatch is divided according to data is transmitted to the data in the area IV to the area I and the area IV is transmitted to
The execution Dynamic Scheduling Strategy in the area I, the Dynamic Scheduling Strategy are scheduled excellent for monitoring virtual channel according to monitoring information
Change；Wherein, the area I is power distribution automation main station production control great Qu, and the area IV is power distribution automation main station management information
Great Qu.
According to the cross-safety zone data transmission scheduling method, which is characterized in that the I in the step of wherein data divide
The data that area to the area IV data are transmitted divide and scheduling includes: to require and count according to the area I to the area IV data transmission real-time, Qos
According to properties of flow, the data transmitted are needed to be divided into multiple priority business processing using power distribution automation main station, by priority
Data are put into its queue for corresponding to priority.
According to the cross-safety zone data transmission scheduling method, which is characterized in that wherein the area I to the area IV data is transmitted
The division of data priority includes but is not limited to: the first priority, the real-time class real-time data transmission of the area I remote signalling class to the area IV, real
Shi Xinggao needs to meet the industry standard real-time response time；Second priority, the area I send a request to the data in the area IV, the area IV needle
Response is carried out to request and request results are sent to the area IV through reverse isolation, real-time is high, needs to meet industry standard real-time
Response time；Third priority, the real-time class real-time data transmission of the area I telemetering class to the area IV, real-time is high, needs to meet industry rule
The model real-time response time；4th priority, other non real-time class data transmission, including non real-time require request-reply class, fixed week
Phase class profile data, aperiodic class data, the transmission of such data can have delay or allow failure, provide friendly prompt information
Or it uses and transmits again.
According to the cross-safety zone data transmission scheduling method, which is characterized in that be wherein transmitted to the number in the area IV to the area I
Include: S410 according to scheduling, executes the scheduling strategy control of the area I, including by the way that each priority team is monitored and detected to virtual channel
Column flow executes dispatch deal, determines sequence of falling out according to each priority query's flow, determines transmission link using link Qos；
S420 executes the area IV data assembling and verification, including when data are after positive isolating device is transmitted to the area IV, the area IV is to each link
The data packet transmitted packages and carries out data integrity verifying.
According to the cross-safety zone data transmission scheduling method, which is characterized in that wherein step S410 further include:
S411, when detecting any high-priority queue Traffic Anomaly, that is, when being more than flow threshold, successively from lowest priority queue into
The inhibition of row data transmission；S412, it is normal with the high-priority queue flow being close when detecting, that is, it is less than flow threshold
It when value, is calculated according to Weighted Fair Queuing, carries out queue scheduling；S413, scheduling strategy monitor the state of each virtual link, transmission speed
Rate, packet loss determine the virtual link that transmission uses.
According to the cross-safety zone data transmission scheduling method, which is characterized in that wherein step S410 further include:
S421 carries out identification to reception class of data traffic and is put into the buffer area of multiple and different types according to its classification；S422, to more
Kind variety classes buffer area log-on data package dress and verification thread, it is complete to carry out data assembling, data to content in buffer area
Property verification, and be put into its corresponding queue to successful data are verified；S423, according to data are received, to start its distribution automatic for queue
Change the corresponding business of main website, each business parses queue content and starts corresponding function.
According to the cross-safety zone data transmission scheduling method, which is characterized in that wherein the area IV to the area I data is transmitted
Optimized Operation includes: that the real-time transmitted according to the area IV to the area I data, importance determine its priority, and according to data file
The file transmitting and scheduling strategy of quantity；To the real-time data transmissions such as key, real-time remote signalling variation, request-reply, non-security pass
Keyness data such as profile data, external system call and externally provide the data such as service and transmit in time
According to the cross-safety zone data transmission scheduling method, which is characterized in that wherein the area IV to the area I data is transmitted
Priority division includes: the first priority, and the area IV is transmitted to the area I shape and becomes class high real-time data；Second priority, real-time class are asked
It asks and/or the high real-time data of response class, i.e., IV carries out response result after issuing request or the request of the area I to the area I；Third is preferential
Grade, non real-time class request and/or response non real-time nature data issue request to the area I or carry out response knot to IV after the request of the area I
Fruit, such data transmission can have delay or allow failure；4th priority, the data transmission of fixed cycle class section, including prolong
When or the data transmission when data traffic is more than limit value, i.e., transmitted when data transmit idle in order to avoid influencing real-time class number
According to transmission performance；5th priority, aperiodic interim class data transmission, including but not limited to starting or certain business meet certain
It is triggered under condition, such data transmission can have delay or when data traffic is more than limit value without transmission.
According to the cross-safety zone data transmission scheduling method, which is characterized in that wherein the area IV to the area I data is transmitted
Data dispatch includes: S911, and corresponding file is written in the corresponding data of the first priority to the 5th priority；S912 is right
The file of write-in data is measured in real time；S913, it is real that confirmation shape becomes class real time data, the request of real-time class and/or response class
When data folder quantity of documents give notice when the preset value is exceeded, dispatch non real-time class data and slow down or stop its data
Corresponding folder is written in file；S914, detection shape become class real time data packet stream amount and size, and be assembled into small documents big
File；S915 detects the file size of non real-time class data, and cuts to big file；Wherein, non real-time class data include
Non real-time class request and/or response, fixed cycle class profile data, aperiodic interim class data.
In a preferred embodiment, this method further include: using reverse isolation device by each file in the area IV
Data file is carried in the corresponding file in the area IV.
In a preferred embodiment, this method further include: in the file being passed to using parsing thread to each area I
Corresponding data file is parsed, and in the service queue of parsing result write-in response, each business solves queue content
It analyses and starts corresponding function.
According to a kind of cross-safety zone data transmission scheduling system of above-mentioned any means, which is characterized in that the method packet
Include following steps:
Data isolation module, for using one or more sets forward and reverse isolating devices to the I of power distribution automation cross-safety zone
Area and the data interaction of the area IV are isolated, and every forward and reverse isolating device of set is provided with virtual channel；
Optimized Operation module, including data division module and data dispatch module；
Wherein, data division module hands over real-time, importance according to the area I of power distribution automation cross-safety zone and the area IV data
And data flow characteristic is divided；
Wherein, data dispatch module is transmitted to the data in the area IV to the area I according to data division module and the area IV is transmitted to the area I
Execution Dynamic Scheduling Strategy, the Dynamic Scheduling Strategy is scheduled optimization according to monitoring information for monitoring virtual channel.
The invention has the benefit that being established for power distribution automation cross-safety zone using forward and reverse isolating device is covered more
More set virtual channels, lead to multipair virtual channel performance monitoring, realize load balancing；In analysis power distribution automation main station cross-safety zone
Data flow characteristic in network is mentioned according to the data characteristics of its real-time, importance and the area the I transregional transmission in area to IV and IV to I
The area I is to IV according to data transport priority, the scheduling strategy of virtual contact Qos out, and IV to the area I is according to real-time property, important
Property determine the file transmitting and scheduling strategy of its priority, data file quantity, realize that crucial, real-time remote signalling variation, request are answered
Equal real-time data transmissions are answered, non-security-critical data such as profile data, external system call and externally provide the data such as service
Transmission in time, guarantees its service quality.
Detailed description of the invention
Fig. 1 show overview flow chart according to the method for the present invention；
Fig. 2 show according to embodiments of the present invention across the signal of the safe area I to safety IV area data transmission scheduling process
Figure；
Fig. 3 show the area I dispatching method schematic diagram according to embodiments of the present invention；
Fig. 4 show across safety IV area according to embodiments of the present invention to the safe area I data transmission scheduling process and illustrates
Figure.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu, complete description, to be completely understood by the purpose of the present invention, scheme and effect.
It should be noted that unless otherwise specified, when a certain feature referred to as " fixation ", " connection " are in another feature,
It can directly fix, be connected to another feature, and can also fix, be connected to another feature indirectly.In addition, this
The descriptions such as the upper and lower, left and right used in open are only the mutual alignment pass relative to each component part of the disclosure in attached drawing
For system.The "an" of used singular, " described " and "the" are also intended to including most forms in the disclosure, are removed
Non- context clearly expresses other meaning.In addition, unless otherwise defined, all technical and scientific terms used herein
It is identical as the normally understood meaning of those skilled in the art.Term used in the description is intended merely to describe herein
Specific embodiment is not intended to be limiting of the invention.Term as used herein "and/or" includes one or more relevant
The arbitrary combination of listed item.
It will be appreciated that though various elements, but this may be described using term first, second, third, etc. in the disclosure
A little elements should not necessarily be limited by these terms.These terms are only used to for same type of element being distinguished from each other out.For example, not departing from
In the case where disclosure range, first element can also be referred to as second element, and similarly, second element can also be referred to as
One element.The use of provided in this article any and all example or exemplary language (" such as ", " such as ") is intended merely to more
Illustrate the embodiment of the present invention well, and unless the context requires otherwise, otherwise the scope of the present invention will not be applied and be limited.
Fig. 1 show overview flow chart according to the method for the present invention.Include:
Data isolation, it is forward and reverse that the area I and the data interaction of the area IV to power distribution automation cross-safety zone create one or more sets
Isolating device, every forward and reverse isolating device of set are provided with virtual channel；Optimized Operation, including data divide and data dispatch,
In, data divide according to the area I of power distribution automation cross-safety zone and the area IV data hand over real-time, importance and data flow characteristic into
Row divides；Wherein, the step of data dispatch is divided according to data is transmitted to the data in the area IV to the area I and the area IV is transmitted to the area I
Dynamic Scheduling Strategy is executed, Dynamic Scheduling Strategy is scheduled optimization according to monitoring information for monitoring virtual channel；Wherein, I
Area is power distribution automation main station production control great Qu, and the area IV is power distribution automation main station management information great Qu.
Fig. 2 show according to embodiments of the present invention across the signal of the safe area I to safety IV area data transmission scheduling process
Figure.Comprising:
Business datum classification: classifying according to power distribution automation main station business, and from the area I to the area IV data, transmission can be divided into 4
Class: the 1. real-time class real-time data transmission of the area I remote signalling class to the area IV, real-time is high, needs to meet the industry standard real-time response time；
2. the area I requests the area IV data, i.e. the area I sends a request to the area IV, and the area IV carries out response and request results through reversed for request
For isolated transmission to the area IV, real-time is high, needs to meet the industry standard real-time response time；3. the real-time class data of the area I telemetering class are real
When be transmitted to the area IV, real-time is high, needs to meet the industry standard real-time response time；4. other non real-time class data transmission, main
Request-reply class, fixed cycle class profile data, aperiodic class data are required including non real-time, the transmission of such data, which can have, prolongs
When or allow failure, provide friendly prompt information or using transmitting again.Real-time, Qos are transmitted according to the area I to the area IV data
It is required that the data that each business of power distribution automation main station transmits needs are divided into 4 priority, it is put into its team for corresponding to priority
Column.
The control service of the safe area I scheduling strategy: it by detecting each priority query's flow, is scheduled, i.e., according to each excellent
First grade queue flow determines sequence of falling out, and link Qos determines transmission link.
Scheduling strategy control service in the safe area I includes: to work as to detect 2 Traffic Anomaly of priority query 1 or priority query,
When being more than limit value, to guarantee real-time and key message transmission requirement, first the data transmission of inhibition priority query 4,
Secondary 3 queue of inhibition priority query transmission；When detecting that priority query 1 or 2 flow of priority query are normal, that is, it is less than it
When limit value, queue scheduling is carried out according to weighted fair queuing algorithm (WFQ)；Scheduling strategy monitors the state of each virtual link, passes
Defeated rate, packet loss determine the virtual link that transmission uses.
The area IV data assembling and verification: when data are after positive isolating device is transmitted to the area IV, the area IV is to each link transmission
The data packet to come over packages and carries out data integrity verifying.It specifically includes that and reception class of data traffic is identified
And different types of buffer area is put into according to its classification；Variety classes buffer area log-on data package is filled and verifies thread, it is right
Content carries out data assembling, data integrity verifying in buffer area, and is put into its corresponding queue to successful data are verified；Team
Column basis receives data and starts the corresponding business of its power distribution automation main station, and each business parses queue content and starts phase
Answer function.
Fig. 3 show the area I dispatching method schematic diagram according to embodiments of the present invention.In its description such as Fig. 2 explanation
The safe area I scheduling strategy control service.
Fig. 4 show across safety IV area according to embodiments of the present invention to the safe area I data transmission scheduling process and illustrates
Figure.Comprising:
Business datum classification: the area power distribution automation main station IV its data for being transferred to the area I according to business are transmitted according to data
Requirement of real-time falls into 5 types: 1. need to be transmitted to the area I shape according to definition and become class real time data, real-time is high, needs to meet industry rule
The model real-time response time；2. real-time class request/response class real time data, i.e., IV is answered after issuing request or the request of the area I to the area I
It answers as a result, real-time is high, needs to meet the industry standard real-time response time；3. non real-time class request/response issues the area I
Request carries out response result to IV after the request of the area I, and such data transmission can have delay or allow failure, provide friendly mention
Show information or use and transmits again.4. fixed cycle class profile data transmits, such data transmission can have delay or in data flow
Amount is not transmitted when being more than limit value, i.e., is transmitted when data transmit idle in order to avoid influencing real-time class data transmission performance.5. non-
Period interim class data transmission, such transmission are generally triggered under certain condition by thinking that starting or certain business meet, this
The transmission of class data can have delay or when data traffic is more than limit value without transmission.
Scheduling strategy control service: 1. corresponding file is written to 5 class data in main realize；2. to each folder data
Number of files is detected；3. detecting, shape becomes class real time data, real-time class request/response class real data files press from both sides quantity of documents,
When being more than its quantity, gives notice, dispatch non real-time class (non real-time class request/response, fixed cycle class profile data, non-week
Phase interim class data) data slow down or stop its data file write-in corresponding folder, to guarantee the property of real-time class data transmission
Energy；4. detecting shape becomes class real time data packet stream amount and size, and notifies to carry out being assembled into big file to small documents；5. detecting non-reality
When class (non real-time class request/response, fixed cycle class profile data, aperiodic interim class data) file size, to notice pair
Big file is cut.
The transmission of reverse isolation device data: the client-side program provided by reverse isolation device producer is each file in the area IV
The data file of folder is carried in the corresponding file in the area IV.
The parsing of the area I data: each parsing thread parses corresponding data file in each file, and parsing result is write
Enter in the service queue of response, each business parses queue content and starts corresponding function.
It should be appreciated that the embodiment of the present invention can be by computer hardware, the combination of hardware and software or by depositing
The computer instruction in non-transitory computer-readable memory is stored up to be effected or carried out.Standard program skill can be used in method
Art-includes that the non-transitory computer-readable storage media configured with computer program is realized in computer program, wherein such as
Storage medium of this configuration operates computer in a manner of specific and is predefined --- according to describing in a particular embodiment
Method and attached drawing.Each program can be realized with the programming language of level process or object-oriented with logical with computer system
Letter.However, if desired, the program can be realized with compilation or machine language.Under any circumstance, the language can be compiling or
The language of explanation.In addition, the program can be run on the specific integrated circuit of programming for this purpose.
In addition, the operation of process described herein can be performed in any suitable order, unless herein in addition instruction or
Otherwise significantly with contradicted by context.Process described herein (or modification and/or combination thereof) can be held being configured with
It executes, and is can be used as jointly on the one or more processors under the control of one or more computer systems of row instruction
The code (for example, executable instruction, one or more computer program or one or more application) of execution, by hardware or its group
It closes to realize.Computer program includes the multiple instruction that can be performed by one or more processors.
Further, method can be realized in being operably coupled to suitable any kind of computing platform, including but
It is not limited to PC, mini-computer, main frame, work station, network or distributed computing environment, individual or integrated meter
Calculate machine platform or communicated with charged particle tool or other imaging devices etc..Each aspect of the present invention can be to be stored in
No matter machine readable code on non-transitory storage medium or equipment is moveable or is integrated to calculate and put down to realize
Platform, such as hard disk, optically read and/or write-in storage medium, RAM, ROM, so that it can be read by programmable calculator, when depositing
Storage media or equipment can be used for configuration and operation computer to execute process described herein when being read by computer.In addition,
Machine readable code, or part thereof can be transmitted by wired or wireless network.When such media include in conjunction with microprocessor or
When other data processors realize the instruction or program of above step, the disclosure herein includes that these and other are different types of non-
Temporary computer readable storage medium.When programming according to the method for the present invention with technology, the invention also includes computer sheets
Body.
Computer program can be applied to input data to execute functions herein, be deposited to convert input data with generating
It stores up to the output data of nonvolatile memory.Output information can also be applied to one or more output equipment such as displays.
In the preferred embodiment of the invention, the data of conversion indicate physics and tangible object, including the physics generated on display
Describe with the particular visual of physical objects.
More than, only presently preferred embodiments of the present invention, the invention is not limited to above embodiment, as long as its with
Identical means reach technical effect of the invention, all within the spirits and principles of the present invention, any modification for being made, equivalent
Replacement, improvement etc., should be included within the scope of the present invention.Its within the scope of the present invention technical solution and/
Or embodiment can have a variety of different modifications and variations.
Claims (12)
1. a kind of cross-safety zone data transmission scheduling method, which is characterized in that the described method comprises the following steps:
Data isolation, the area I and the data interaction of the area IV to power distribution automation cross-safety zone use one or more sets forward and reverse isolation
Device, every forward and reverse isolating device of set are provided with virtual channel；
Optimized Operation, including data divide and data dispatch:
Wherein, data, which are divided, hands over real-time, importance and data flow according to the area I of power distribution automation cross-safety zone and the area IV data
Characteristic is divided；
Wherein, the step of data dispatch is divided according to data is transmitted to the data in the area IV to the area I and the area IV is transmitted to the execution in the area I
Dynamic Scheduling Strategy, the Dynamic Scheduling Strategy are scheduled optimization according to monitoring information for monitoring virtual channel；
Wherein, the area I is power distribution automation main station production control great Qu, and the area IV is power distribution automation main station-management letter
The area Xi great.
2. cross-safety zone data transmission scheduling method according to claim 1, which is characterized in that in the step of data divide
The data transmitted of the area I to the area IV data divide and scheduling includes:
According to the area I to the area IV data transmission real-time, Qos requirement and data flow characteristic, by power distribution automation main station business processing
The data for needing to transmit are divided into multiple priority, and priority data is put into its queue for corresponding to priority.
3. cross-safety zone data transmission scheduling method according to claim 2, which is characterized in that the wherein area I to the area IV number
Division according to the data priority of transmission includes but is not limited to:
First priority, the real-time class real-time data transmission of the area I remote signalling class to the area IV, real-time is high, needs to meet industry standard reality
When the response time；
Second priority, the area I send a request to the data in the area IV, and the area IV carries out response and request results through reversed for request
For isolated transmission to the area I, real-time is high, needs to meet the industry standard real-time response time；
Third priority, the real-time class real-time data transmission of the area I telemetering class to the area IV, real-time is high, needs to meet industry standard reality
When the response time；
4th priority, other non real-time class data transmission, including non real-time require request-reply class, fixed cycle class section number
According to, aperiodic class data, the transmission of such data can have delay or allow failure, provide friendly prompt information or using again
Transmission.
4. cross-safety zone data transmission scheduling method according to claim 1 or 2, which is characterized in that described to be transmitted to the area I
Data dispatch to the area IV includes:
S410 executes the scheduling strategy control of the area I, including by the way that each priority query's flow is monitored and detected to virtual channel,
Dispatch deal is executed, sequence of falling out is determined according to each priority query's flow, determines transmission link using link Qos；
S420 executes the area IV data assembling and verification, including when data are after positive isolating device is transmitted to the area IV, the area IV is to each
The data packet that link transmission comes packages and carries out data integrity verifying.
5. cross-safety zone data transmission scheduling method according to claim 4, which is characterized in that the step S410 is also wrapped
It includes:
S411, when detecting any high-priority queue Traffic Anomaly, that is, being more than flow threshold, successively from lowest priority team
Arrange the inhibition carried out data transmission；
S412, it is normal with the high-priority queue flow being close when detecting, that is, when being less than flow threshold, according to weighting
Fair Queue is calculated, and queue scheduling is carried out；
S413, scheduling strategy monitor the state, transmission rate, packet loss of each virtual link, determine the virtual link that transmission uses.
6. cross-safety zone data transmission scheduling method according to claim 4, which is characterized in that the step S410 is also wrapped
It includes:
S421 carries out identification to reception class of data traffic and is put into the buffer area of multiple and different types according to its classification；
S422, fills a variety of variety classes buffer area log-on data packages and verifies thread, carries out data to content in buffer area
Assembling, data integrity verifying, and its corresponding queue is put into successful data are verified；
S423, queue start the corresponding business of its power distribution automation main station according to data are received, and each business carries out queue content
It parses and starts corresponding function.
7. cross-safety zone data transmission scheduling method according to claim 1, which is characterized in that the area IV to the area I data passes
Defeated Optimized Operation includes:
Real-time, the importance transmitted according to the area IV to the area I data determine its priority, and according to the file of data file quantity
Transmitting and scheduling strategy；
To real-time data transmissions such as key, real-time remote signalling variation, request-replies, non-security-critical data such as profile data,
External system is called and externally provides the data such as service and transmits in time.
8. cross-safety zone data transmission scheduling method according to claim 7, which is characterized in that the area IV to the area I data passes
Defeated priority divides
First priority, the area IV are transmitted to the area I shape and become class high real-time data；
The high real-time data of second priority, real-time class request and/or response class, i.e., after issuing request or the request of the area I to the area I
IV carries out response result；
Third priority, non real-time class request and/or response non real-time nature data, i.e., after issuing request to the area I or requesting the area I
IV carries out response result, and such data transmission can have delay or allow failure；
4th priority, the data transmission of fixed cycle class section, the data including delay or when data traffic is more than limit value pass
It is defeated, i.e., it is transmitted when data transmit idle in order to avoid influencing real-time class data transmission performance；
5th priority, aperiodic interim class data transmission, including but not limited to starting or certain business meet certain condition feelings
It is triggered under condition, such data transmission can have delay or when data traffic is more than limit value without transmission.
9. cross-safety zone data transmission scheduling method according to claim 1 or 8, which is characterized in that the area IV to the area I data
The data dispatch of transmission includes:
Corresponding file is written in the corresponding data of first priority to the 5th priority by S911；
S912 is measured in real time the file of write-in data；
S913, confirmation shape becomes class real time data, the request of real-time class and/or response class real data files and presss from both sides quantity of documents, when super
It when crossing preset value, gives notice, dispatches non real-time class data and slow down or stop its data file write-in corresponding folder；
S914, detection shape becomes class real time data packet stream amount and size, and carries out being assembled into big file to small documents；
S915 detects the file size of non real-time class data, and cuts to big file；
Wherein, non real-time class data include non real-time class request and/or response, fixed cycle class profile data, aperiodic interim class
Data.
10. cross-safety zone data transmission scheduling method according to claim 7, which is characterized in that this method further include:
The data file of each file in the area IV is carried in the corresponding file in the area I using reverse isolation device.
11. cross-safety zone data transmission scheduling method according to claim 7, which is characterized in that this method further include:
Corresponding data file parses in the file being passed to using parsing thread pool to each area I, and parsing result is written
In the service queue of response, each business parses queue content and starts corresponding service function.
12. a kind of cross-safety zone data transmission scheduling system of -10 any means according to claim 1, which is characterized in that described
Method the following steps are included:
Data isolation module, for using one or more sets forward and reverse isolating devices to the area I of power distribution automation cross-safety zone and
The data interaction of the area IV is isolated, and every forward and reverse isolating device of set is provided with virtual channel；
Optimized Operation module, including data division module and data dispatch module；
Wherein, data division module hands over real-time, importance and number according to the area I of power distribution automation cross-safety zone and the area IV data
It is divided according to properties of flow；
Wherein, data dispatch module is transmitted to the data in the area IV to the area I according to data division module and the area IV is transmitted to holding for the area I
Mobile state scheduling strategy, the Dynamic Scheduling Strategy are scheduled optimization according to monitoring information for monitoring virtual channel.
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