CN106161046A - A kind of communication security defence model towards electric power Optical Transmission Network OTN and control method thereof - Google Patents
A kind of communication security defence model towards electric power Optical Transmission Network OTN and control method thereof Download PDFInfo
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- CN106161046A CN106161046A CN201510116096.2A CN201510116096A CN106161046A CN 106161046 A CN106161046 A CN 106161046A CN 201510116096 A CN201510116096 A CN 201510116096A CN 106161046 A CN106161046 A CN 106161046A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
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Abstract
nullThe present invention discloses a kind of communication security defence model towards electric power Optical Transmission Network OTN and control method thereof,Communication security defence model includes Wide-area Measurement Information collection model、Communication network reliability evaluation model、Communication failure assayer's knowledge base、Communication Risk Monitoring and Early-warning Model and communication security defend multiple defence line,Use the topology information to electric power Optical Transmission Network OTN for the Wide-area Measurement Information collection model、Link information and warning information Real-time Collection,Carry out communication network reliability and fault locating analysis by communication failure Risk Monitoring and Early-warning Model and Decision Control Model and generate intelligent coordinated process strategy,And get rid of communication failure in time by global resource scheduling and communication security defence multiple defence line Coordination Treatment,Realize business recovery,The present invention can solve the Coordination Treatment of the multiple failure of the complicated Optical Transmission Network OTN under transregional bulk power grid interconnection background and the fast recovery problem of service path.
Description
Technical field
The present invention relates to defence model and the control method thereof of a kind of technical field of power system communication, in particular to a kind of towards
The communication security defence model of electric power Optical Transmission Network OTN and control method thereof.
Background technology
It is low that the feature of Electric control business transmission is mainly bandwidth requirement, and requirement of real-time is high, and current Electric control business is mainly held
It is loaded on SDH fiber optic network, the predominantly double fiber optic protection of protected mode and SDH looped network protection, control industry due to electric power in real time
The bandwidth requirement of business is not high, mainly transmits information by 2M passage.Electric control business mainly include protection, stable, remote
The dynamic control business that waits, transmission means and the requirement of real-time of different Electric control business are different.For protection business, transmission
The digital channel transfer time of longitudinal differential protection system information should be not more than 12ms;The point-to-point digital channel transfer time should not
More than 5ms;For stable business, the communication between main website and any substation is all point-to-point mode, the main website-substation being in communication with each other
Between or station, substation-execution between channel time delay necessary≤10ms;For wide area vector measurement business, it is stipulated that PMU device is real
When time difference of dynamic data markers and data output time of transmitting should be less than 30ms.If realizing carrying out reality to power system
When control, the measurement data of various places plant stand must be transferred to control centre in very short time, especially steady to the transient state of system
Fixed when automatically controlling, it is desirable to system completes the measurement of PMU data and propagation delay time is the longest can not surpass 25ms, substation system
It typically is linked into transmission network by 2M passage.But with the realization of the development of WAMS system and closed loop control function,
It may be higher to the bandwidth requirement of transmission network, transmission speed and reliability requirement.
At present protection, the electrical network such as stable are controlled business in real time and are mainly directly carried by electric power Optical Transmission Network OTN by 2M interface, with
Extra-high voltage and the construction of transregional interconnected network, electric network protection and the control business such as stable transmission wider, transmission range is longer,
May span across the heterogeneous networks level at electric power optic communication networking and different network management domain.The business road of current electric power optic communication network
Footpath is a point territory construction mostly, autonomous management, and does not accounts for the impact on communication system for the grid control system, for cross-layer across
The real-time operating conditions of field communication service path often lacks effective monitoring and real-time Communication for Power fault pre-alarming, especially multiple failure bar
Cross-layer cross-domain communication service path under part, it is understood that there may be fault information collection is not comprehensive, and network bandwidth resources cannot United Dispatching
So that important service cannot effectively be recovered and protected.Accordingly, it is desirable to provide the electricity under a kind of transregional bulk power grid environment
The technical scheme of the communication security defence of power Optical Transmission Network OTN.
Content of the invention
For solving above-mentioned deficiency of the prior art, it is an object of the invention to provide a kind of communication security towards electric power Optical Transmission Network OTN
Defence model and control method thereof, the model that the present invention provides is by between electric power Optical Transmission Network OTN multi-layer and heterogeneous networks territory
Communication-cooperation mechanism, the communication security coordinated defense of the transregional electric power Optical Transmission Network OTN under solution complex large power grid environment, it is achieved communication
Fault evade in time with multiple failure under the conditions of the fast quick-recovery of energy communication service, improve electric power Optical Transmission Network OTN to electrical network produce
The supportability of safe and stable operation.In order to a basic understanding is had to some aspects of the embodiment disclosing, shown below is
Simple summary.This summarized section is not extensive overview, be not key/critical component to be determined or describe these implement
The protection domain of example.Its sole purpose is to present some concepts by simple form, in this, as the preamble of following detailed description.
It is an object of the invention to use following technical proposals to realize:
The present invention provides a kind of defence model of the communication security towards electric power Optical Transmission Network OTN, described communication security defence model respectively with
Electric power Optical Transmission Network OTN and Stability Control System connect;It thes improvement is that, described communication security defence model includes:
(1) Wide-area Measurement Information collection model: for collection communication network of network topology resource information, real-time running state information and
Real time data information in the grid control system that impact communication runs;
(2) communicate Risk Monitoring and Early-warning Model: is used for communicate risk monitoring and control and early warning issue;
(3) communication failure analysis expert storehouse: for determining the root information of alarm failure, fault incidence and to business shadow
The degree of sound;
(4) communication network reliability evaluation model: be used for assessing layers of physical devices, transport network layer and three layer of service bearer layer
The reliability of secondary communication network;
(5) Control on Communication decision model: be used for solving communication failure, it is achieved the timely recovery of service path;
(6) communication security defence multiple defence line: include Control Measure, emergent control measure, correct control recovery measure.
Further, described Wide-area Measurement Information collection model gathers global network from electric power Optical Transmission Network OTNs at different levels and heterogeneous networks territory
Network topological information and real-time running state information, and affect communication system run Stability Control System in real-time
Data message;Described real time information includes global link resource information, overall situation business routing iinformation and overall situation warning information;Described
Real time data information includes that thunderbolt, line short affect information and the time delay to communication link for the power grid control strategy to optical cable
Wrong code distortion indication information.
Further, described Wide-area Measurement Information collection model passes through standard CORBA (Common Object Request Broker
Architecture Common Object Request Broker Architecture) interface from communication network management systems at different levels obtain global scope multi-layer multi-domain
The real-time running state warning information of network topology resource information, link resource information, business routing iinformation and network, and
Take the E language format of standard obtain from Stability Control System affect telecommunication management or external environmental information that equipment runs with
Electric network fault information, provides basic data and technological means for the control of communication network fault pre-alarming analysis and decision.
Further, the net of the global network that described communication Risk Monitoring and Early-warning Model are gathered according to Wide-area Measurement Information collection model
Network topology resource and real-time running state information, and affect the real time data in the Stability Control System that communication system is run
Network Reliability Assessment Mode in information, and communication network reliability evaluation model, carries out communication risk monitoring and control and early warning is sent out
Cloth;
Wherein Network Reliability Assessment Mode includes layers of physical devices evaluation, transport network layer evaluation and service bearer layer evaluation;Institute
Stating layers of physical devices evaluation includes the software and hardware structure evaluation of equipment, Key Performance Indicator (such as the bit error rate, propagation delay time and switching
Time) evaluate and equipment running status evaluation;Described transport network layer evaluation includes that optical cable reliability evaluation, link accessibility refer to
Mark is evaluated and network bandwidth intensity of load is evaluated;Described service bearer layer evaluation includes the evaluation of service bearer importance degree, service channel
Organizational factor evaluates and route relation factor evaluation.
Further, described communication failure analysis expert storehouse is according to the overall Real-time Alarm information of Wide-area Measurement Information collection model, according to
Alarm matching strategy carries out intellectual analysis and alarm positioning to real time fail warning information, determines root information, the event of alarm failure
The coverage of barrier and the influence degree to business.
Further, the overall Real-time Alarm information that described Control on Communication decision model receives and communication Risk Monitoring and Early-warning Model
The fault pre-alarming information issued, carries out communication failure root positioning by communication failure analysis expert storehouse, and according to electrical network business pair
Communication-cooperation mechanism between the performance indications requirement of communication channel, electric power Optical Transmission Network OTN multi-layer and heterogeneous networks territory, calls
Communication security defence multiple defence line coordinates process to communication early warning fault and real time fail, solves communication failure in time, it is achieved
The timely recovery of service path.
Further, following manner is taked to coordinate process to communication early warning fault and real time fail:
A) for nonevent fault, use the Control Measure in communication multiple defence line to carry out the network optimization and service path is excellent
Changing and avoiding risk, wherein Control Measure includes forming the road construction strategy of service path, enters the service path that there is risk
Row Optimized Measures and the measure generating minimizing service path time delay;
B) for the fault having occurred and that service disconnection, use the emergent control measure in communication multiple defence line and preset according to business
Protected mode carry out looped network and switch and the alternate channel timely recovery business of switching;
C) for the business being not provided with looped network protection and alternate channel, described communication security defence model is gathered by Wide-area Measurement Information
Model gathers network topological information and the real-time running state information of overall situation Optical Transmission Network OTN, uses the urgent control in communication multiple defence line
Measure processed, and utilize automatic rerouting algorithm, carries out United Dispatching to global link resource information, it is achieved service path quick
Recover;
D) for the business that aforesaid way cannot be used to recover, the rectification in communication multiple defence line is used to recover control measure, and profit
The mode that, public network roundabout with fiber channel is rented with radio communication emergency communication recovers business, after manually getting rid of network failure,
Again by business recovery to original bearer path.
The present invention also provides the control method of a kind of communication security defence model, and it thes improvement is that, described control method includes
Following step:
1) described Control on Communication decision model receives overall situation Real-time Alarm information and communication Risk Monitoring and the fault of Early-warning Model issue
Early warning information, calling communication accident analysis expert knowledge library positions fault by Trouble Match algorithm;
2) position fault rootstock according to communication failure assayer's knowledge base and analyze fault incidence, and in described communication security
The management platform management overall situation Optical Transmission Network OTN scope of defence model, according between electric power Optical Transmission Network OTN multi-layer and heterogeneous networks territory
Communication-cooperation mechanism, carry out global link resource information scheduling, it is achieved optimization and the fault of service path are recovered in time;
3) described communication security defence model is by the real-time information interaction with Stability Control System, obtains network stability control
External environmental information and electric network fault information that systematic influence telecommunication management or equipment run carry out decision optimization and scheduling of resource, keep away
Exempt from the impact that communication is caused by operation of power networks;
4) the obstructed rank that described Communication Decision Controlling model occurs according to coverage and the impact of accident analysis communication equipment and link
Section, calling communication multiple defence line is evaded the risk of communication failure generation or recovers the traffic path breaking down in time.
Compared with immediate prior art, the excellent effect that the technical scheme of present invention offer has is:
1st, the model that the present invention provides is by the communication-cooperation mechanism between electric power Optical Transmission Network OTN multi-layer and heterogeneous networks territory, solves
The certainly communication security coordinated defense of the transregional electric power Optical Transmission Network OTN under complex large power grid environment, it is achieved communication failure evade in time and
The fast quick-recovery of energy communication service under the conditions of multiple failure, improves the guarantor to electrical network production safety stable operation for the electric power Optical Transmission Network OTN
Barrier ability.
2nd, the communication security towards electric power Optical Transmission Network OTN that the present invention provides defends model and control method thereof, by transregional mutual the United Nations General Assembly
The Wide-area Measurement Information collection of the electric power Optical Transmission Network OTN under power grid environment, is dispatched by global resource and the multiple defence line that communicates is at time and sky
The coordinated defense of communication failure early warning and multiple failure is realized between;Communication security defence model and the letter of electricity net safety stable system
Breath is mutual, the impact under the conditions of considering electric network fault producing communication, provides more rich for communication security defence Decision Control
Information and control device.
For above-mentioned and related purpose, one or more embodiments include will be explained in and special in the claims below
The feature pointed out.Description below and accompanying drawing describe some illustrative aspects, and only each enforcement of its instruction in detail
Some modes in the utilizable various modes of principle of example.Other benefit and novel features by with following specifically
Bright being considered in conjunction with the accompanying and become obvious, the disclosed embodiments are intended to include all these aspect and theirs is equivalent.
Brief description
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, with embodiments of the invention one
Rise and be used for explaining the present invention, be not intended that limitation of the present invention.In the accompanying drawings:
Fig. 1 is communication security provided by the present invention defence model structure figure;
Fig. 2 is the Optical Transmission Network OTN structural model note information gathering model schematic that embodiment of the present invention uses;
Fig. 3 is the reliability evaluation model of electric power optical transport network provided by the present invention;
Fig. 4 is that communication security protection provided by the present invention is imperial to be analyzed and Decision Control Model;
Fig. 5 is that multi-layer multi-domain network path provided by the present invention recovers calculation flow chart.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail.
The following description and drawings illustrate specific embodiments of the present invention fully, to enable those skilled in the art to put into practice it
?.Other embodiments can include structure, logic, electric, process and other change.Embodiment only generation
The possible change of table.Unless explicitly requested, otherwise single assembly and function are optional, and the order operating can change.
The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.The enforcement of the present invention
The scope of scheme includes the gamut of claims, and all obtainable equivalent of claims.Herein,
These embodiments of the present invention can be represented individually or generally with term " invention ", and this is only used to conveniently, and
And if in fact disclose invention more than one, be not meant to automatically limit this application and in the range of any single invention or send out
Bright design.
As it is shown in figure 1, the present invention provides a kind of communication security multiple defence line coordinated defense model towards electric power Optical Transmission Network OTN, bag
Include Wide-area Measurement Information collection model, communication network reliability evaluation model, communication failure assayer's knowledge base, communication Risk Monitoring
And Early-warning Model, Communication Decision Controlling model and communication security defence multiple defence line.Wherein:
(1) Wide-area Measurement Information collection model gathers the network topology of global network from electric power Optical Transmission Network OTNs at different levels and heterogeneous networks territory
Resource and real-time running state information, and affect the data message in the Stability Control System that communication system is run, wherein,
The electric power optical transport network real time information of Wide-area Measurement Information collection model collection includes global network topology information, global link resource letter
Breath, overall situation business routing iinformation and overall situation warning information.
It is many that Wide-area Measurement Information collection model obtains global scope by the corba interface of standard from communication speciality network management systems at different levels
Layer multiple-domain network topology information, link resource information, business routing iinformation, and the real-time running state warning information of network,
And the E language format taking standard obtains the external rings that may affect telecommunication management or equipment operation from Stability Control System
Environment information and electric network fault information, provide basic data and technological means for the control of communication network fault pre-alarming analysis and decision.
(2) the real time data information according to Wide-area Measurement Information collection model for Risk Monitoring and the Early-warning Model of communicating, and communication network can
By the network reliability evaluation method in property evaluation model, carry out communication risk monitoring and control and early warning is issued, wherein reliability assessment master
Will be estimated from layers of physical devices, transport network layer and three levels of service bearer aspect, layers of physical devices is mainly from equipment
Software and hardware structure, Key Performance Indicator and equipment running status are estimated, and transport network layer is mainly from optical cable reliability, link
The aspect assessments such as accessibility index and network bandwidth intensity of load, service bearer layer is mainly from service bearer importance degree, service channel
The aspects such as organizational factor and route relation factor are estimated.
(3) communication failure analysis expert storehouse is according to the Real-time Alarm information of Wide-area Measurement Information collection model, according to alarm matching strategy pair
Warning information carries out intellectual analysis and alarm positioning, determines the root information of alarm failure, and the coverage of fault and right
The influence degree of business.
(4) communication network reliability evaluation model: for from layers of physical devices, transport network layer and three level of service bearer layer
The reliability of communication network is estimated, including layers of physical devices evaluation, transport network layer evaluation and service bearer layer evaluation,
Wherein layers of physical devices evaluation is mainly estimated from the software and hardware structure of equipment, Key Performance Indicator and equipment running status, passes
Defeated Internet evaluates main assessment in terms of optical cable reliability, link accessibility index and network bandwidth intensity of load etc., and business is held
Carrier layer evaluation model is mainly estimated in terms of service bearer importance degree, service channel organizational factor and route relation factor etc.;
(5) Control on Communication decision model reception fault pre-alarming releases news and real time fail warning information, is entered by expert knowledge library
Row fault rootstock positions, and requires according to the performance indications to communication channel for the electrical network business, and according to electric power Optical Transmission Network OTN multi-layer
And the communication-cooperation mechanism between heterogeneous networks territory, calling communication Prevention-Security multiple defence line coordinates process, solves in time
Communication failure, it is achieved the fast quick-recovery of service path.
(6) communication security defence multiple defence line: include Control Measure, emergent control measure, correct control recovery measure.
The present invention also provides the control method of a kind of communication security defence model, comprises the steps:
1) Communication Decision Controlling model receives reception fault pre-alarming and issues fault pre-alarming information, real time fail warning information, calls
Communication failure assayer's knowledge base carries out fault location by Trouble Match algorithm;
2) fault rootstock positioning and fault incidence analysis are carried out according to office's expert knowledge library, owing to total defense model obtaining
The network resource information of multi-layer multi-domain, can be in the range of the overall Optical Transmission Network OTN of this communication security defence platform management, according to electricity
Communication-cooperation mechanism between power Optical Transmission Network OTN multi-layer and heterogeneous networks territory, carries out scheduling of resource, it is achieved service path excellent
Change the fast quick-recovery with fault;
3) communication security defence model is by the real-time information interaction with grid control system, and obtaining Stability Control System may
Affect telecommunication management or external environmental information and the electric network fault information of equipment operation carry out decision optimization and scheduling of resource, it is to avoid electricity
The impact that communication is caused by network operation;
4) the obstructed stage that the coverage of communication equipment and link and impact are occurred by Communication Decision Controlling model according to fault, can
Coordinate calling communication multiple defence line evade the risk of communication failure generation or recover the traffic path breaking down in time.
Embodiment
(1) as shown in Figure 2, it is assumed that certain provincial electric power Optical Transmission Network OTN is made up of province-city's two-stage, and wherein city-level Optical Transmission Network OTN again may be used
Be divided into several territories, then communication security defence multiple defence line coordinated defense model can gather the overall situation by Wide-area Measurement Information collection model
The network topological information of Optical Transmission Network OTN, link resource information, business routing iinformation and warning information.
(2) as it is shown on figure 3, communication Risk Monitoring and Early-warning Model are according to the real time data information of Wide-area Measurement Information collection model, and
According to the network reliability evaluation method in communication network reliability evaluation model, carry out communication risk monitoring and control and early warning is issued, its
Middle reliability assessment is mainly estimated from layers of physical devices, transport network layer and three levels of service bearer aspect, physical equipment
Layer is mainly estimated from the software and hardware structure of equipment, Key Performance Indicator and equipment running status, and transport network layer is mainly from light
The aspect assessments such as cable reliability, link accessibility index and network bandwidth intensity of load, service bearer layer is mainly from service bearer weight
Spend, service channel organizational factor and the route aspect such as relation factor are estimated, and wherein risk class is according to service path fault
The magnitude classification of probability is as shown in table 1 below:
Table 1 risk class is according to the magnitude classification table of service path probability of malfunction
Service probability scope | 0.0~0.5 | 0.5~0.8 | 0.8~1.0 |
Risk class defines | 1 grade | 2 grades | 3 grades |
Risk class is reached to the traffic path of more than 3 grades, i.e. carry out Risk-warning information issue, notify Decision Control
Model carries out Decision Control;
(3) as shown in Figure 4, the fault receiving in communication Risk Monitoring and Early-warning Model is mainly issued by Communication Decision Controlling model
Information, and the warning information in Wide-area Measurement Information collection model is analyzed in real time, according to alarm matching strategy, warning information is carried out
Intellectual analysis and alarm positioning, determine the root information of alarm failure, and the coverage of fault and affect journey to business
Degree, and take in the following manner to process communication early warning fault and real time fail:
A) to nonevent fault, the main Control Measure using in communication multiple defence line carries out the network optimization and business road
The optimization in footpath is avoided risk, and wherein Control Measure mainly includes forming the road construction strategy of service path, to the industry that there is risk
Business path is optimized, generates the measure reducing service path time delay;
B) for the fault having occurred and that service disconnection, the main emergent control measure using in communication multiple defence line is processed,
Carry out according to the protected mode that business is preset that looped network is switched, the mode such as alternate channel switching recovers business in time;
C) for the business being not provided with looped network protection and alternate channel, the main emergent control measure using in communication multiple defence line
Process, pass owing to communication security defence multiple defence line coordinated defense model can gather overall situation light by Wide-area Measurement Information collection model
The network topological information of defeated net, link resource information, can use automatic rerouting algorithm, and the link circuit resource of the overall situation carries out unifying to adjust
Degree, it is achieved the fast quick-recovery of service path, implements flow process as shown in Figure 5;
D) for the business that said method cannot be used to recover, the main rectification using in communication multiple defence line recovers control measure and enters
Row is processed, and can use that fiber channel is roundabout, mode that public network is rented with the emergency communication such as radio communication recovers business as early as possible, treats people
After work gets rid of network failure, then by business recovery to original bearer path.
Unless otherwise specific statement, term such as processes, calculates, computing, determination, display etc. can refer to one or more
The action of process or calculating system or similar devices and/or process, described action and/or process will be indicated as posting of processing system
Data manipulation that physics (such as electronics) in storage or memory is measured and being converted into be similarly represented as processing system memory,
Register or the storage of other this type of informations, launch or other data of physical quantity in display device.Information and signal are permissible
Any one of multiple different technology and method is used to represent.The data for example, mentioned in running through above description,
Instruction, order, information, signal, bit, symbol and chip can be with voltage, electric current, electromagnetic wave, magnetic field or particle, light
Field or particle or its any combination represent.
The particular order of the step during disclosed in should be understood that or level are the examples of illustrative methods.Based on design preference,
The particular order of the step during it should be understood that or level can obtain weight in the case of without departing from the protection domain of the disclosure
New arrangement.Appended claim to a method gives the key element of various step with exemplary order, and is not limited to described
Particular order or level.
In above-mentioned detailed description, various features combine together in single embodiment, to simplify the disclosure.Should not
This open method is construed to reflect such intention, i.e. the embodiment of theme required for protection is it will be clear that ground exists
The more feature of feature stated in each claim.On the contrary, as the following claims reflect, this
Daylight is in the state fewer than whole features of disclosed single embodiment.Therefore, appending claims is hereby clearly
Being merged in detailed description, wherein each claim is alone as the single preferred embodiment of the present invention.
Described above includes the citing of one or more embodiment.Certainly, in order to describe above-described embodiment, parts or side are described
The all possible combination of method is impossible, but it will be appreciated by one of ordinary skill in the art that each embodiment can be done
Further combinations and permutations.Therefore, embodiment described herein is intended to fall into the protection domain of appended claims
Interior all such changes, modifications and variations.Additionally, with regard to the term "comprising" using in specification or claims,
The mode that covers of this word is similar to term and " includes ", is used as what link word was explained in the claims just as " including, "
Like that.Additionally, use any one the term "or" in the specification of claims to be intended to represent " non-exclusionism
Or ".
Finally should be noted that: above example is only in order to illustrating that technical scheme is not intended to limit, although reference
The present invention has been described in detail by above-described embodiment, and those of ordinary skill in the field still can concrete to the present invention
Embodiment is modified or equivalent, and these are changed or equivalent without departing from any of spirit and scope of the invention,
All within the claims of the present invention that application is awaited the reply.
Claims (8)
1. the communication security defence model towards electric power Optical Transmission Network OTN, described communication security defence model passes with electric power light respectively
Defeated net and Stability Control System connect;It is characterized in that, described communication security defence model includes:
(1) Wide-area Measurement Information collection model: for collection communication network of network topology resource information, real-time running state information and
Real time data information in the grid control system that impact communication runs;
(2) communicate Risk Monitoring and Early-warning Model: is used for communicate risk monitoring and control and early warning issue;
(3) communication failure analysis expert storehouse: for determining the root information of alarm failure, fault incidence and to business shadow
The degree of sound;
(4) communication network reliability evaluation model: be used for assessing layers of physical devices, transport network layer and three layer of service bearer layer
The reliability of secondary communication network;
(5) Control on Communication decision model: be used for solving communication failure, it is achieved the timely recovery of service path;
(6) communication security defence multiple defence line: include Control Measure, emergent control measure, correct control recovery measure.
2. communication security defence model as claimed in claim 1, it is characterised in that described Wide-area Measurement Information collection model is from different levels
Electric power Optical Transmission Network OTN and heterogeneous networks territory gather network topological information and real-time running state information, the Yi Jiying of global network
Ring the real time data information in the Stability Control System that communication system is run;Described real time information includes that global link resource is believed
Breath, overall situation business routing iinformation and overall situation warning information;Described real time data information includes thunderbolt, the shadow to optical cable for the line short
The information of sound and the time delay wrong code distortion indication information to communication link for the power grid control strategy.
3. communication security defence model as claimed in claim 2, it is characterised in that described Wide-area Measurement Information collection model is by mark
Quasi-corba interface obtains the multi-layer multi-domain network topology resource information of global scope, link circuit resource from communication network management systems at different levels
The real-time running state warning information of information, business routing iinformation and network, and take the E language format of standard from electrical network
Stabilizing control system obtains external environmental information and the electric network fault information affecting telecommunication management or equipment operation, is communication network fault
Early warning analysis and Decision Control provide basic data and technological means.
4. communication security defence model as claimed in claim 1, it is characterised in that described communication Risk Monitoring and Early-warning Model
The network topology resource of the global network being gathered according to Wide-area Measurement Information collection model and real-time running state information, and impact is logical
Real time data information in the Stability Control System that communication system runs, and the network in communication network reliability evaluation model
Reliability evaluation model, carries out communication risk monitoring and control and early warning is issued;
Wherein Network Reliability Assessment Mode includes layers of physical devices evaluation, transport network layer evaluation and service bearer layer evaluation;Institute
State layers of physical devices evaluation and include the software and hardware structure evaluation of equipment, Key Performance Indicator evaluation and equipment running status evaluation;Institute
State transport network layer evaluation and include optical cable reliability evaluation, link accessibility metrics evaluation and network bandwidth intensity of load evaluation;Institute
State service bearer layer evaluation and include that service bearer importance degree is evaluated, service channel organizational factor evaluates and route relation factor evaluation.
5. communication security defence model as claimed in claim 1, it is characterised in that described communication failure analysis expert storehouse according to
The overall Real-time Alarm information of Wide-area Measurement Information collection model, carries out intelligence according to alarm matching strategy to real time fail warning information and divides
Analysis and alarm positioning, determine the root information of alarm failure, the coverage of fault and the influence degree to business.
6. communication security defence model as claimed in claim 1, it is characterised in that described Control on Communication decision model receives
The fault pre-alarming information that overall situation Real-time Alarm information and communication Risk Monitoring and Early-warning Model are issued, by communication failure analysis expert
Storehouse carries out communication failure root positioning, and according to the performance indications to communication channel for the electrical network business require, electric power Optical Transmission Network OTN multilayer
Communication-cooperation mechanism between level and heterogeneous networks territory, calling communication Prevention-Security multiple defence line is to communication early warning fault and in real time
Fault coordinates process, solves communication failure in time, it is achieved the timely recovery of service path.
7. communication security defence model as claimed in claim 6, it is characterised in that take following manner to communication early warning fault
Coordinate process with real time fail:
A) for nonevent fault, use the Control Measure in communication multiple defence line to carry out the network optimization and service path is excellent
Changing and avoiding risk, wherein Control Measure includes forming the road construction strategy of service path, enters the service path that there is risk
Row Optimized Measures and the measure generating minimizing service path time delay;
B) for the fault having occurred and that service disconnection, use the emergent control measure in communication multiple defence line and preset according to business
Protected mode carry out looped network and switch and the alternate channel timely recovery business of switching;
C) for the business being not provided with looped network protection and alternate channel, described communication security defence model is gathered by Wide-area Measurement Information
Model gathers network topological information and the real-time running state information of overall situation Optical Transmission Network OTN, uses the urgent control in communication multiple defence line
Measure processed, and utilize automatic rerouting algorithm, carries out United Dispatching to global link resource information, it is achieved service path quick
Recover;
D) for the business that aforesaid way cannot be used to recover, the rectification in communication multiple defence line is used to recover control measure, and profit
The mode that, public network roundabout with fiber channel is rented with radio communication emergency communication recovers business, after manually getting rid of network failure,
Again by business recovery to original bearer path.
8. the control method of the communication security defence model as according to any one of claim 1-7, it is characterised in that institute
State control method to comprise the steps:
1) described Control on Communication decision model receives overall situation Real-time Alarm information and communication Risk Monitoring and the fault of Early-warning Model issue
Early warning information, calling communication accident analysis expert knowledge library positions fault by Trouble Match algorithm;
2) position fault rootstock according to communication failure assayer's knowledge base and analyze fault incidence, and in described communication security
The management platform management overall situation Optical Transmission Network OTN scope of defence model, according between electric power Optical Transmission Network OTN multi-layer and heterogeneous networks territory
Communication-cooperation mechanism, carry out global link resource information scheduling, it is achieved optimization and the fault of service path are recovered in time;
3) described communication security defence model is by the real-time information interaction with Stability Control System, obtains network stability control
External environmental information and electric network fault information that systematic influence telecommunication management or equipment run carry out decision optimization and scheduling of resource, keep away
Exempt from the impact that communication is caused by operation of power networks;
4) the obstructed rank that described Communication Decision Controlling model occurs according to coverage and the impact of accident analysis communication equipment and link
Section, calling communication multiple defence line is evaded the risk of communication failure generation or recovers the traffic path breaking down in time.
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