CN106789646A - Service transmission path determines method and device - Google Patents

Service transmission path determines method and device Download PDF

Info

Publication number
CN106789646A
CN106789646A CN201611131851.5A CN201611131851A CN106789646A CN 106789646 A CN106789646 A CN 106789646A CN 201611131851 A CN201611131851 A CN 201611131851A CN 106789646 A CN106789646 A CN 106789646A
Authority
CN
China
Prior art keywords
risk
probability
external factor
telecom network
power telecom
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611131851.5A
Other languages
Chinese (zh)
Inventor
高嵩
王宇
郝颖
王娟
陈劲涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Beijing Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201611131851.5A priority Critical patent/CN106789646A/en
Publication of CN106789646A publication Critical patent/CN106789646A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/12Shortest path evaluation
    • H04L45/123Evaluation of link metrics
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/28Routing or path finding of packets in data switching networks using route fault recovery

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)

Abstract

Determine method and device the invention discloses a kind of service transmission path.Wherein, the method includes:The information of the external factor of power telecom network is obtained, wherein, external factor is the factor of the communication link and communication equipment fault that can cause power telecom network;Information based on external factor determines the first risk parameter of interrupted communication link and communication equipment fault;The second risk parameter of service disconnection is determined according to the first risk parameter;Transmission path of the business in power telecom network is determined based on the second risk parameter.The present invention solves the technical problem of the service transmission path that cannot accurately determine in power telecom network.

Description

Service transmission path determines method and device
Technical field
The present invention relates to field of information processing, method and device is determined in particular to a kind of service transmission path.
Background technology
In the prior art, there is larger operation burden in business transmission, cause that business transmission can not accurately be found The path of transmission, is power grid security, steady for example, power telecom network is responsible for the business such as the management of power industry, commander and scheduling The fixed, important support of economical operation and guarantee.At present, China's power telecom network agent structure is optical fiber, and in body data net The upper all generations of transmission, management business.These optical fiber be subjected to unavoidably in operation natural calamity, artificial destruction, ageing equipment and The factors such as defective mounting influence, and cause communication system of power grids message interrupts, are delayed the time of accident treatment.Cause electric power in various inducements When communication network breaks down, the grid nodes operation troubles being associated is not only resulted in, and also result in communication network operation Service disconnection, further triggers the electric network fault related to communication event, such as communication abnormality cause unauthorized dispatching telephone, Dispatch data net, route protection and automatic safety device channel interrupt.
In the prior art, the scheme of business risk prediction and searching service transmission path is as follows in power telecom network:
In an arrangement, there is provided a kind of communication Risk-warning towards communication system of power grids business and risk averse method, The method includes communication Risk-warning process and risk averse process.Communication Risk-warning process is comprised the following steps:Optical fiber leads to The risk parameter of letter equipment and optical-fibre channel quantifies to replicate;Operational authority is set according to the communication system of power grids business importance degree for being carried Weight;Determine the communication risk and risk probability of business.Risk averse process is comprised the following steps:It is larger to communication threat probability values And need to carry out the service communication passage of routing optimality, and prioritization is carried out according to the size that risk is present;Build time delay Information matrix list;It is that the business for treating routing optimality that there is risk finds new business route.But to optical fiber communication equipment Do not consider that external motivation etc. is constrained with the risk parameter quantization of optical-fibre channel, its probability of happening will also result in equipment and passage wind The change of danger value, in turn results in the change of business risk.
In another scheme, there is provided service route selecting method and device in a kind of power telecom network.The method according to The topological structure of power telecom network, to reach traffic assignments path, using Di j skt ra algorithms, gets the road up to business Gather in footpath;Traverse path set, calculates the corresponding full-service risk in path, whole network risk, whole network load balancing degrees With whole network risk balance degree;According to full-service risk, whole network risk and whole network load balancing degrees, to set of paths Rejecting treatment is carried out, the All Paths in having traveled through set of paths obtain destination path set;If destination path set is non- Sky, the then corresponding whole network risk balance degree of the every paths in destination path set, to destination path set Road footpath Ascending order arrangement is carried out, the first paths of selection route as business;Make arrival business according to business routing forwarding message.The program Do not consider the influence that external factor is produced to communication equipment and communication port, the value-at-risk of communication port and equipment can be caused to become Change, and then business risk degree, network risks degree are impacted.
In another scheme, there is provided a kind of risk balance method and system of power telecom network, including:Obtain electric power Nodal information, link information and business information in communication network;According to the information for obtaining, the corresponding multiple of each business is determined Service path;An optional service path from multiple service paths, constitutes a business sheet set of paths respectively;According to acquisition Information and at least one business sheet set of paths, determine the risk of each node and the risk of each link;Root According to node risk and link risk, network risks degree is determined;Believed according at least one business sheet set of paths and business Breath, determines offered load degree;According to network risks degree and offered load degree, using default service path Optimized model, obtain To the path optimizing of each business.But the program is in the quantization of node and link risk, lacking and considering failure inducement pair The influence of node and link, causes the change of node risk and link risk.
In another scheme, there is provided a kind of failure analysis methods and device based on power telecom network, including:Obtain The historical data of failure to be analyzed in power telecom network, and according to historical data, obtain the corresponding failure that broken down and occur Inducement species set;Each inducement species includes at least one inducement factor;For each inducement species, calculate and obtain wherein The corresponding inducement probability of each inducement factor, and each corresponding weight of inducement factor is obtained according to probability, further according to what is obtained Each corresponding weight of inducement factor, obtains the corresponding probability of malfunction of inducement species;According to each corresponding failure of inducement species Probability, calculates the probability that failure to be analyzed may occur;If the probability that failure to be analyzed may occur is more than the first predetermined threshold value, The corresponding weight of inducement factor in probability and each inducement species according to each corresponding failure of inducement species, according to from big To small order, investigation treatment is carried out successively.After the program is by obtaining the corresponding probability of malfunction of all kinds of inducement factors, calculate The probability that failure to be analyzed may occur, but only consider the probability that different types of inducement causing trouble occurs, lack and consider such as What may cause the analysis of link or node interrupts risk to failure using the fault rate, in further having influence on network The transmission risk of business.
In sum, the assessment shortage consideration at present in existing patent of invention to the business risk degree of power telecom network sets Influence of the standby and link failure inducement to carrying business, also lacks the importance degree for considering link and node sheet in communication network, Or the probability of happening of external motivation causing trouble is only considered, lack the influence considered to business risk, therefore calculating industry Also these factors are taken into account during business risk.
For the above-mentioned problem that cannot accurately determine the service transmission path in power telecom network, not yet propose have at present The solution of effect.
The content of the invention
The embodiment of the invention provides a kind of service transmission path and determine method and device, so that at least solve cannot be accurately true Determine the technical problem of the service transmission path in power telecom network.
One side according to embodiments of the present invention, there is provided a kind of service transmission path determines method, including:Obtain electricity The information of the external factor of power communication network, wherein, the external factor is the communication link that can cause the power telecom network With the factor of communication equipment fault;Information based on the external factor determines the interrupted communication link and communication equipment fault The first risk parameter;The second risk parameter of service disconnection is determined according to first risk parameter;Based on second wind Transmission path of the business in the power telecom network described in dangerous parameter determination.
Further, the external factor is multiple, and the information for obtaining the external factor of power telecom network includes:Obtain each The individual external factor makes the probability of happening that the power telecom network breaks down;The electric power is determined based on the probability of happening The probability that communication network breaks down, wherein, the information of the external factor makes the power telecom network including the external factor The probability for breaking down.
Further, the external factor includes:Natural cause, human factor and apparatus factor, wherein, obtain each The external factor includes the probability of happening that the power telecom network breaks down:Natural cause i is obtained by the first formula Make the probability of happening p that the power telecom network breaks down in moment tiT (), first formula is:
Wherein, ni(t) represent natural cause i time interval (- ∞, t) in make it is described The number of times that power telecom network breaks down, diRepresent the destruction grade in moment t natural cause, f (di) represent natural cause i's In grade diUnder influence, N represents the total quantity of natural cause;Made in moment t by the second formula acquisition apparatus factor i described The probability of happening p that power telecom network breaks downiT (), second formula is:Wherein, TiIt is pre- timing It is long;Obtain human factor i by the 3rd formula makes the probability of happening p that the power telecom network breaks down in moment ti(t), institute Stating the 3rd formula is:Wherein, λiRepresent the average arrival rate of human factor i, niT () represents human factor i In time interval (- ∞, t) the interior number of times for making the power telecom network break down.
Further, determine that the probability that the power telecom network breaks down includes based on the probability of happening:By the 4th Power telecom network described in formula breaks down GjProbabilityWherein, the 4th formula is: Wherein, FGRepresent the set of external factor species, the external factor species set FGIn each factor species set FkIn it is external Factor breaks down GjProbability of happening be
Further, the information based on the external factor determines the of the interrupted communication link and communication equipment fault One risk parameter includes:According to following formula, the information based on the external factor is determined in t communication link eijInterrupt Value-at-riskWherein,Wherein,Represent t communication link eijThe probability of happening of interruption, The information of the external factor includes t communication link eijThe probability of happening of interruption,Represent communication link eijMade after interruption Into risk schedule value, It is the importance degree of communication link, business skBusiness importance degree be dk, often It is n to plant number of servicesk;According to following formula, the information based on the external factor is determined in t device node viInterrupt Value-at-riskWherein,Represent in t device node viThe probability of happening of failure, it is described The information of external factor includes t device node viThe probability of happening of failure,Represent device node viRisk after failure Consequence value, It is device node importance degree, wherein, first risk parameter is included in t equipment Node viThe value-at-risk of interruptionWith in t communication link eijThe value-at-risk of interruption
Further, the second risk parameter for determining service disconnection according to first risk parameter includes:By business s warps The path w for crossingkThe accumulated value of the value-at-risk of upper each device node and communication link is defined as the disruption risk value of the business sWherein, second risk parameter includes the disruption risk value
Further, transmission path of the business in the power telecom network is determined based on second risk parameter Including:From the power telecom network, the minimum path of the terminal value-at-risk of transmission services s is chosen, existed with obtaining the business s Transmission path in the power telecom network.
Another aspect according to embodiments of the present invention, additionally provides a kind of service transmission path determining device, including:Obtain Unit, the information of the external factor for obtaining power telecom network, wherein, the external factor is led to for that can cause the electric power Believe the communication link of net and the factor of communication equipment fault;First determining unit, it is true for the information based on the external factor First risk parameter of the fixed interrupted communication link and communication equipment fault;Second determining unit, for according to described first Risk parameter determines the second risk parameter of service disconnection;3rd determining unit, for being determined based on second risk parameter Transmission path of the business in the power telecom network.
Further, the external factor is multiple, and the acquiring unit includes:Acquisition module, for obtaining each institute State the probability of happening that external factor makes the power telecom network break down;First determining module, for being occurred generally based on described Rate determines the probability that the power telecom network breaks down, wherein, the information of the external factor makes including the external factor The probability that the power telecom network breaks down.
Further, second determining unit includes:Second determining module, for the path w for passing through business skOn The accumulated value of the value-at-risk of each device node and communication link is defined as the disruption risk value of the business sWherein, it is described Second risk parameter includes the disruption risk value
In embodiments of the present invention, it is possible to achieve outer based on this after the information of external factor of power telecom network is obtained Determine the first risk parameter of interrupted communication link and communication equipment fault in the information of factor, wherein, external factor is can Cause the communication link of power telecom network and the factor of communication equipment fault;After the first risk parameter is determined, can basis First risk parameter determines the second risk parameter of service disconnection, it is then possible to being based on second risk parameter determines that business exists Transmission path in power telecom network.According to embodiments of the present invention, break in a communication link during with communication equipment failure, can With by getting the external factor for causing that interrupted communication link or communication equipment break down, so that it is determined that going out the first risk ginseng Number, and finally determine transmission path of the business in power telecom network.Solution cannot accurately determine the industry in power telecom network The technical problem of transmission path of being engaged in, has reached in power telecom network interrupted communication link or communication equipment fault, promptly and accurately The effect for determining service transmission path.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 is the flow chart that a kind of optional service transmission path according to embodiments of the present invention determines method;
Fig. 2 is the topological diagram of the optional service transmission path of another kind according to embodiments of the present invention;And
Fig. 3 is the structure chart of the optional service transmission path determining device of another kind according to embodiments of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection Enclose.
It should be noted that term " first ", " in description and claims of this specification and above-mentioned accompanying drawing Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or Order beyond those of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that cover Lid is non-exclusive to be included, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product Or other intrinsic steps of equipment or unit.
According to embodiments of the present invention, there is provided a kind of embodiment of the method that service transmission path determines, it is necessary to explanation, Can be performed in the such as one group computer system of computer executable instructions the step of the flow of accompanying drawing is illustrated, and And, although logical order is shown in flow charts, but in some cases, can perform institute with different from order herein The step of showing or describe.
The term in the present invention is explained below:
Dijkstra's algorithm:It is the shortest path first from a summit to remaining each summit, solution is digraph Shortest route problem.Be mainly characterized by centered on starting point outwards extending layer by layer, until expanding to terminal untill.
Poisson distribution:It is the discrete probability distribution in a kind of statistics and Probability, if stochastic variable X is possible to the value for taking It is 0,1,2 ..., and probability distribution is:Wherein a>0 is constant, then it is called Poisson distribution that X obeys parameter, is denoted as X-P (a).
Fig. 1 is the flow chart that a kind of optional service transmission path according to embodiments of the present invention determines method, such as Fig. 1 institutes Show, the method comprises the following steps:
Step S102, obtains the information of the external factor of power telecom network, wherein, external factor is led to for that can cause electric power Believe the communication link of net and the factor of communication equipment fault;
Step S104, the information based on external factor determines the first risk ginseng of interrupted communication link and communication equipment fault Number;
Step S106, the second risk parameter of service disconnection is determined according to the first risk parameter;
Step S108, transmission path of the business in power telecom network is determined based on the second risk parameter.
By above-described embodiment, it is possible to achieve external based on this after the information of external factor of power telecom network is obtained The information of factor determines the first risk parameter of interrupted communication link and communication equipment fault, wherein, external factor is to draw Play the communication link of power telecom network and the factor of communication equipment fault;After the first risk parameter is determined, can be according to One risk parameter determines the second risk parameter of service disconnection, determines business in electricity it is then possible to be based on second risk parameter Transmission path in power communication network.According to embodiments of the present invention, break in a communication link and when communication equipment breaks down, can be with By getting the external factor for causing that interrupted communication link or communication equipment break down, so that it is determined that going out the first risk ginseng Number, and finally determine transmission path of the business in power telecom network.Solution cannot accurately determine the industry in power telecom network The technical problem of transmission path of being engaged in, has reached in power telecom network interrupted communication link or communication equipment fault, promptly and accurately The effect for determining service transmission path.
Optionally, external factor can be multiple, and the information for obtaining the external factor of power telecom network includes:Obtain each External factor makes the probability of happening that power telecom network breaks down;Determine that power telecom network breaks down based on probability of happening general Rate, wherein, the information of external factor makes the probability that power telecom network breaks down including external factor.
Optionally, because power communication line is laid along power circuit, communication node is configured in power node, power network and electricity It is one-to-one coupling between power communication network, then the topological structure of power telecom network and the topological structure of power network are identical.Optionally, may be used To define the topology that figure G (V, E) represents communication network, wherein V represents the set of device node, and E represents the set of communication link.
Another optional, external factor includes:Natural cause, human factor and apparatus factor, wherein, obtain each External factor includes the probability of happening that power telecom network breaks down:Obtain natural cause i by the first formula makes in moment t The probability of happening p that power telecom network breaks downiT (), the first formula is:
Wherein, ni(t) represent natural cause i time interval (- ∞, t) in make electric power The number of times that communication network breaks down, diRepresent the destruction grade in moment t natural cause, f (di) represent waiting for natural cause i Level diUnder influence, N represents the total quantity of natural cause;Obtain apparatus factor i by the second formula makes power communication in moment t The probability of happening p that net breaks downiT (), the second formula is:Wherein, TiIt is scheduled duration;It is public by the 3rd Formula obtains human factor i makes the probability of happening p that power telecom network breaks down in moment tiT (), the 3rd formula is:Wherein, λiRepresent the average arrival rate of human factor i, ni(t) represent human factor i time interval (- ∞, t) the interior number of times for making power telecom network break down.
For the external factor that can cause power telecom network communication link and communication equipment fault, can be divided into nature because Element, apparatus factor and human factor etc., for different types of external factor, set up different Mathematical Modelings and are quantified.
Wherein, for the natural cause in external factor, i is could be arranged to, in time interval (- ∞, t), if it occurs Number of times be niT (), all natural causes constitute set N={ i }, because the different grades of destructive power of natural cause differs Sample, and the difference between rank often exponentially increases, if the grade of moment t natural cause is di, then natural cause i The probability of happening p of moment tiT () is:
Wherein f (di) it is natural cause i in grade diUnder influence.Wherein, first formula of above-described embodiment can be The formula (1).Natural cause often reaches certain level special talent can produce influence.
Optionally, can be by f (di) be defined as follows:
WhereinIt is the start level of influence,It is the greatest level of agreement, general grade higher, influences bigger.If Current factor i does not occur, and makes di=0.
Another optional implementation method, for the apparatus factor in external factor, because equipment cable is aging in itself, scarce Fall into may be considered change over time and there may be decay, then to apparatus factor i, in time interval (- ∞, t) Nei Qifa Raw Probability piT () is to formulate duration TiThe exponential function in (such as life-span), can be expressed as:
Another optional implementation method, for the human factor in external factor, wherein, the second of above-described embodiment is public Formula can be the formula (3).I will can be artificially set to, it is n equally to set its frequency in time intervali(t), due to artificial Factor is often chance event, it is believed that its generating process meets Poisson distribution, then the probability of happening p of human factor ii(t) For:
In the formula that formula (4) is represented, λiIt is the average arrival rate of human factor i, wherein, the 3rd of above-described embodiment the Formula can be the formula (4).
Another optional implementation method, for determining the probability packet that power telecom network breaks down based on probability of happening Include:Broken down G by the 4th formula power telecom networkjProbabilityWherein, the 4th formula is:Wherein, FGRepresent the set of external factor species, external factor species set FGIn each because Plain species set FkMiddle external factor breaks down GjProbability of happening be
Optionally, if the sum for causing the external factor of a certain link or equipment fault is M, factor species is nf, own External factor constitutes set F={ Fk, wherein { FkThe set that different types of external factor is constituted is represented respectively, and by hk Individual external factor composition.Then there is following relation:
Assuming that it is separate between all kinds of factors, and in same kind of sets of factors, there is mutual exclusion between factor And compatibility relation.Wherein, the 4th formula of above-described embodiment can be the formula (5).
Optionally, for failure Gj(including link and node failure), by historical data and empirical analysis, can obtain The external factor species set F that it may be caused to occurGWith the material elements i in set.If the probability of happening of failure isFactor species set FGThe probability of happening of middle factor species k isThen for failure Gj, its probability of happening is:
Optionally, the information based on external factor determines the first risk parameter of interrupted communication link and communication equipment fault Including:According to following formula, the information based on external factor is determined in t communication link eijThe value-at-risk of interruptionIts In,Wherein,Represent t communication link eijThe probability of happening of interruption, the information of external factor Including t communication link eijThe probability of happening of interruption,Represent communication link eijThe risk schedule value caused after interruption, It is the importance degree of communication link, business skBusiness importance degree be dk, every kind of number of services is nk; According to following formula, the information based on external factor is determined in t device node viThe value-at-risk of interruptionWherein,Represent in t device node viThe probability of happening of failure, external factor Information includes t device node viThe probability of happening of failure,Represent device node viRisk schedule value after failure, It is device node importance degree, wherein, the first risk parameter is included in t device node viInterrupt Value-at-riskWith in t communication link eijThe value-at-risk of interruption
A kind of optional implementation method, risk typically refers to the uncertainty whether failure occurs, and is typically expressed as generation Probability and the product lost.Therefore interrupted communication link is expressed as the value-at-risk of interrupted communication link and equipment fault (to set Standby failure) risk=interruption (failure) probability × interruption (failure) risk schedule value.For interrupted communication link and equipment fault Probability is calculated in can utilizing the external motivation for proposing before and the analysis of equipment fault relation;And interrupt the wind with failure Dangerous consequence value is related to the importance degree of the importance degree, number of services and link and node itself of link bearer traffic.
Optionally, the collection of services for being carried on link and node is S={ sk, a total k kind business, business skBusiness Importance degree is dk, every kind of number of services is nk
Wherein, for communication link eijThe calculating of the value-at-risk of interruption, can obtain t, communication link by formula (6) eijThe probability of happening of interruptionFor:
Communication link eijThe risk schedule value caused after interruptionFor:
In formula (8),It is the importance degree of communication link itself.Then in t, the link down value-at-risk The probability of interrupted communication link generation can be expressed asWith the risk schedule value of interrupted communication linkProduct, it is public Formula can be:
Optionally, for device node viThe value-at-risk of failure, can obtain t, device node v by formula (6)iTherefore The probability of happening of barrierFor:
So as to obtain, device node viRisk schedule value after failure isFor:
In formula (11),It is device node importance degree.In t, the value-at-risk of device node failureCan be with For:
Optionally, the second risk parameter for determining service disconnection according to the first risk parameter includes:The road that business s is passed through Footpath wkThe accumulated value of the value-at-risk of upper each device node and communication link is defined as the disruption risk value of business sWherein, second Risk parameter includes disruption risk value
Here is a kind of specific embodiment of the invention.
Because business is always transmitted between website and website, and to I haven't seen you for ages by a communication in transmitting procedure Link, when there is link down or device node failure, the transmission of business will be interrupted, the operation to whole power telecom network Impact, or even the communication security event of power network can be caused to occur.Therefore service disconnection risk transmits passed through chain with it Transportation work style nearly can be related to node risk.Assuming that communication link and device node alternately connect composition path w, business s warp successively The all set of paths crossed are W={ wk, a total k paths, wk={ Vk,Ek|vi∈Vk,eij∈Ek, path wkUpper equipment Node number is | Vk|, link number is | Ek|.For the path w that service disconnection value-at-risk, the application are passed through in business skIt is upper each The accumulated value of node and link value-at-risk is business s disruption risk valuesI.e.:
Another optional implementation method, transmission path of the business in power telecom network is determined based on the second risk parameter Including:From power telecom network, the minimum path of the terminal value-at-risk of transmission services s is chosen, to obtain business s in power communication Transmission path in net.
Here is a kind of specific embodiment, for the business risk value being calculated, in the network of power telecom network This business minimum risk value in the transmission is found in topological G (V, E), as alternate routing.In this embodiment, with Based on dijkstra's algorithm, junction link and node value-at-risk, finding the optimal path of business s makes business risk value minimum, Shown in comprising the following steps that,:
Step 201:Initialization, S={ src }, S is the node set of the least risk value obtained, and src is source point, Dstn is purpose node.
Step 203:The node set that Q=V-S is not yet calculation risk minimum value is defined, V is all in network topology Node set.
Step 205:To vz∈ Q, z ∈ { 1,2 ..., k }, d (vz) it is node vzThe distance to source point src, if vzWith source Point is adjacent, thenIf non-conterminous, d (vz)=∞.D (src)=0,WithNode v is represented respectivelyi And the side between its abutment points uValue-at-risk, will node value-at-risk and link value-at-risk sum as weights, vi,u∈ Q, its computational methods are shown in formula (9) to formula (12).
Step 207:A d (v is chosen from set Qz) minimum node vz, and by vzIn addition set S, Q=Q- {vz, Route (vz)={ src } ∪ { vz}。
Step 209:With vzIt is the new intermediate point for considering, the distance of each node in modification Q;If from source point src by node vz Distance to node u (u ∈ Q) is than originally without node vzDistance it is short, then change the distance value of node u, it is amended away from From value.
Step 211:Step S207 and step S209 is repeated, in destination node dstn is added into S, i.e. dstn Untill ∈ S, that is, the route Route (dstn) of the minimum risk value of source point src to destination node dstn is obtained.
By above-described embodiment, it is possible to use it is minimum that Routing Optimization Algorithm finds business risk value in business network topology Path, alternative path that can be using the path as business in a network.It is right according to the feature of different types of external factor Natural cause, apparatus factor and human factor cause link and the probability of happening of equipment fault to be modeled respectively and comprehensive, And obtain the fault rate of equipment.The embodiment of the present invention can be defined according to risk, in combination with link importance degree, node Importance degree and business importance degree, define link and node value-at-risk, so that it is determined that going out the Mathematical Modeling of business risk value.
Fig. 2 is the topological diagram that the optional service transmission path of another kind according to embodiments of the present invention determines method, such as Fig. 2 It is shown, emulated under the topology close to existing network.Wherein, C1 represents control centre, and A1 to A4 represents 500KV websites, B1 220KV websites are represented to B4, the optical fiber of 500KV are connected between 500KV websites, 220KV optical fiber is connected between 200KV websites, The optical fiber of 220KV is connected between 500KV websites and 200KV websites.9 nodes (3 kinds of site levels, control are had in the topological diagram Center processed is superior to 500KV websites, and the grade of 500KV websites is higher than 220KV), and 12 links (optical cable), in Fig. 2 Sequence number 1-12 represent an optical cable respectively.Existing 4 relay protection business are laid in the network architecture.
Wherein, when link and node failure probability of happening is calculated, it is assumed that current network link 5 (A1-B1) is due to people Broken down for operational error and according to will there is strong weather, make whole communication network suffer it is huge threaten, The fault rate of assessment whole network link and node is now needed, and calculates the risk in existing business path, be given Optimizing Suggestions.
First according to the information for prestoring, classification and the set of the failure factor being associated with failure are listed, wherein therefore Natural cause in barrier factor includes:Ice disaster, high wind and heavy rain etc.;Apparatus factor:Natural aging;Human factor:Move Dynamic optical fiber and construction dig disconnected etc..By the analysis to above-mentioned failure factor, the hair of the failure factor of link fiber interruption will be caused Raw number of times can be set 1000 times, and wherein ice disaster is set to 10 times, and high wind is set to 8 times, and heavy rain is set to 12 times, moves Optical fiber is set 5 times, and it is inferior that disconnected setting 20 is dug in construction.
Fault rate caused by natural cause is analyzed first, if the rank degree of ice disaster and the classification one avenged Cause, be 1-6 grades (for example, slight snow, moderate snow, heavy snow, severe snow, storm snow, Very heavy storm), monsoon intensity is divided into 0-12 grades (for example, nothing Wind, light air, light breeze, gentle breeze and wind, fresh breeze, high wind, strong wind, strong wind, strong gale, blast, storm wind, typhoon), rainfall degree is 1-7 Level (for example, light rain, moderate rain, heavy rain, heavy rain, torrential rain, extra torrential rain).If the initial effects grade of ice and snow is 2 grades, rainfall shadow It is 4 grades to ring grade, and high wind is 6 grades, now positive to meet with 5 grades of storm snows and 8 grades of strong wind risks.Can then be obtained according to formula (1) (2) It is respectively to Three natures factor causing trouble probability of happening:0.333e-1, 0.267e-4, 0.
Optionally, for apparatus factor, if its use time is 3 years, service life is 10 years, can be with according to formula (3) Fault rate is obtained for 1-e-0.3
Optionally, for human factor, if move optical fiber and construction is dug disconnected arrival rate and is respectively 0.001 and 0.002, and It is current to move optical fiber presence, without construction, then it is respectively according to fault rate caused by formula (4) (5) human factor:1- e-0.005, 0.
The fault rate that link 5 (A1-B1) is obtained using above-described embodiment formula (7) is 0.356, i.e., in current shape Under condition, the probability that fiber failure occurs is very high, it is necessary to troubleshooting personnel pays close attention to, and dependent failure is investigated.
Another optional implementation method, when business risk model is set up, can first determine outgoing link and node risk Value.
Because link 5 (A1-B1) is 220KV optical fiber, link importance degree is 1.25, has 1 relay protection business and passes through The link, the importance degree of relay protection business is 10, and it is 0.356 that previous step is calculated the fault rate of link 5, then The risk of the link is 1.25 × 10 × 1 × 0.356=4.45.
By that analogy, each node value-at-risk of the network can be obtained, as shown in table 1:
Table 1
According to it is above-mentioned be it is reasonable, the value-at-risk of each link of the network can also be obtained, as shown in table 2:
Table 2
Optionally, it is determined that during business risk value, there is 4 relay protection business, respectively w in the network1:A1-B1- C1-B3;w2:A2-B2-B1-C1;w3:B4-A4-A2-A1;w4:A4-A3-B3-C1.For w1For, the wind of each node and link Danger value can be obtained by inquiry in upper table, then the value-at-risk of this business is 16.058+12.804+91.124+12.804+4.450+ 43.242+43.242=223.724.
Another optional implementation method, in route optimization process, it is possible to use Routing Optimization Algorithm, with value-at-risk most Small is optimization aim, and to A1 as starting point, B3 carries out routing optimality for the business of terminal, the business route after being optimized is A1-A3-B3, the business risk value of the route is 16.058+8.029+12.802+0+4.450=41.339, less than original route Business risk value, then can select the route as the alternate routing of business A1-B3.
By above-described embodiment, in the case where considering that external motivation link causes node failure to occur, the present invention is implemented Example proposes the risk model of a consideration pitch point importance, link importance degree and business importance degree, and in the base of the model A kind of Routing Optimization Algorithm is proposed on plinth.The characteristics of firstly, for different types of external factor, set up natural cause, set Standby factor and human factor cause the probability that equipment fault occurs;Secondly pitch point importance, link importance degree and business are combined Importance degree and number, define the risk schedule value of link and node failure;Then can be defined according to risk, combination failure occurs Probability and risk schedule value, obtain the value-at-risk of node and link, so as to obtain business risk value;Finally it is directed to business risk Value, using Routing Optimization Algorithm, can obtain the minimum alternate routing of business risk value.
Fig. 3 is the structure chart of the optional service transmission path determining device of another kind according to embodiments of the present invention, such as Fig. 3 Shown, the device includes:Acquiring unit 31, the information of the external factor for obtaining power telecom network, wherein, external factor is The communication link of power telecom network and the factor of communication equipment fault can be caused;First determining unit 33, for based on external The information of factor determines the first risk parameter of interrupted communication link and communication equipment fault;Second determining unit 35, for root The second risk parameter of service disconnection is determined according to the first risk parameter;3rd determining unit 37, for based on the second risk parameter Determine transmission path of the business in power telecom network.
By above-described embodiment, can by after the information of the external factor that acquiring unit 31 obtains power telecom network, and The first wind of interrupted communication link and communication equipment fault is determined by the first information of the determining unit 33 based on the external factor Dangerous parameter, wherein, external factor is the factor of the communication link and communication equipment fault that can cause power telecom network;It is determined that After going out the first risk parameter, the second wind of service disconnection can be determined according to first risk parameter by the second determining unit 35 Dangerous parameter, determines business in power telecom network it is then possible to pass through the 3rd determining unit 37 based on second risk parameter Transmission path.According to embodiments of the present invention, break in a communication link during with communication equipment failure, can be by acquiring unit 31 get the external factor for causing that interrupted communication link or communication equipment break down, so that true by the first determining unit 33 The first risk parameter is made, and finally determines transmission path of the business in power telecom network.Solution cannot accurately determine electricity The technical problem of the service transmission path in power communication network, has reached in power telecom network interrupted communication link or communication equipment event During barrier, the effect for determining service transmission path promptly and accurately.
Optionally, external factor is multiple, and acquiring unit includes:Acquisition module, electricity is made for obtaining each external factor The probability of happening that power communication network breaks down;First determining module, for determining that power telecom network occurs event based on probability of happening The probability of barrier, wherein, the information of external factor makes the probability that power telecom network breaks down including external factor.
Another optional implementation method, the second determining unit includes:Second determining module, for pass through business s Path wkThe accumulated value of the value-at-risk of upper each device node and communication link is defined as the disruption risk value of business sWherein, Two risk parameters include disruption risk value
Optionally, external factor includes:Natural cause, human factor and apparatus factor, wherein, acquisition module includes: First acquisition submodule, the generation that power telecom network breaks down is made for obtaining natural cause i by the first formula in moment t Probability piT (), the first formula is:Wherein, ni(t) represent natural cause i time interval (- ∞, t) the interior number of times for making power telecom network break down, diRepresent the destruction grade in moment t natural cause, f (di) represent certainly Right factor i in grade diUnder influence, N represents the total quantity of natural cause;Second acquisition submodule, for public by second Formula obtains apparatus factor i makes the probability of happening p that power telecom network breaks down in moment tiT (), the second formula is:Wherein, TiIt is scheduled duration;3rd acquisition submodule, for by the 3rd formula obtain human factor i when Carve the probability of happening p that t makes power telecom network break downiT (), the 3rd formula is:Wherein, λiRepresent people It is the average arrival rate of factor i, ni(t) represent human factor i time interval (- ∞, t) in power telecom network is broken down Number of times.
Another optional implementation method, the first determining module includes:Determination sub-module, for being determined by the 4th formula Power telecom network breaks down GjProbabilityWherein, the 4th formula is:Wherein, FG Represent the set of external factor species, external factor species set FGIn each factor species set FkThere is event in middle external factor Barrier GjProbability of happening be
Optionally, the first determining unit includes:3rd determining module, for according to following formula, based on external factor Information is determined in t communication link eijThe value-at-risk of interruptionWherein,Wherein,Represent T communication link eijThe probability of happening of interruption, the information of external factor includes t communication link eijThe generation of interruption is general Rate,Represent communication link eijThe risk schedule value caused after interruption, It is important for communication link Degree, business skBusiness importance degree be dk, every kind of number of services is nk;4th determining module, for according to following formula, being based on The information of external factor is determined in t device node viThe value-at-risk of interruptionWherein,Represent in t device node viThe probability of happening of failure, the information of external factor includes t device node viFailure Probability of happening,Represent device node viRisk schedule value after failure, For device node is important Degree, wherein, the first risk parameter is included in t device node viThe value-at-risk of interruptionWith in t communication link eij The value-at-risk of interruption
Optionally, the 3rd determining unit includes:Module is chosen, for from power telecom network, choosing the end of transmission services s The minimum path of end value-at-risk, to obtain transmission paths of the business s in power telecom network.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain embodiment The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be by other Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces Connect, can be electrical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple On unit.Some or all of unit therein can be according to the actual needs selected to realize the purpose of this embodiment scheme.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing or use When, can store in a computer read/write memory medium.Based on such understanding, technical scheme is substantially The part for being contributed to prior art in other words or all or part of the technical scheme can be in the form of software products Embody, the computer software product is stored in a storage medium, including some instructions are used to so that a computer Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the invention whole or Part steps.And foregoing storage medium includes:USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (10)

1. a kind of service transmission path determines method, it is characterised in that including:
The information of the external factor of power telecom network is obtained, wherein, the external factor is that can cause the power telecom network Communication link and communication equipment fault factor;
Information based on the external factor determines the first risk parameter of the interrupted communication link and communication equipment fault;
The second risk parameter of service disconnection is determined according to first risk parameter;
Transmission path of the business in the power telecom network is determined based on second risk parameter.
2. method according to claim 1, it is characterised in that the external factor is multiple, obtains power telecom network The information of external factor includes:
Obtain the probability of happening that each described external factor makes the power telecom network break down;
The probability that the power telecom network breaks down is determined based on the probability of happening, wherein, the information of the external factor Make the probability that the power telecom network breaks down including the external factor.
3. method according to claim 2, it is characterised in that the external factor includes:Natural cause, human factor with And apparatus factor, wherein, obtaining each described external factor includes the probability of happening that the power telecom network breaks down:
Obtain natural cause i by the first formula makes the probability of happening p that the power telecom network breaks down in moment ti(t), institute Stating the first formula is:
Wherein, ni(t) represent natural cause i time interval (- ∞, t) in make the electric power The number of times that communication network breaks down, diRepresent the destruction grade in moment t natural cause, f (di) represent waiting for natural cause i Level diUnder influence, N represents the total quantity of natural cause;
Obtain apparatus factor i by the second formula makes the probability of happening p that the power telecom network breaks down in moment ti(t), institute Stating the second formula is:Wherein, TiIt is scheduled duration;
Obtain human factor i by the 3rd formula makes the probability of happening p that the power telecom network breaks down in moment ti(t), institute Stating the 3rd formula is:Wherein, λiRepresent the average arrival rate of human factor i, niT () represents human factor i In time interval (- ∞, t) the interior number of times for making the power telecom network break down.
4. method according to claim 2, it is characterised in that the power telecom network hair is determined based on the probability of happening The probability of raw failure includes:
Broken down G by power telecom network described in the 4th formulajProbabilityWherein, the 4th formula is:Wherein, FGRepresent the set of external factor species, the external factor species set FGIn it is each Individual factor species set FkMiddle external factor breaks down GjProbability of happening be
5. method according to claim 1, it is characterised in that the information based on the external factor determines the communication chain Road is interrupted and the first risk parameter of communication equipment fault includes:
According to following formula, the information based on the external factor is determined in t communication link eijThe value-at-risk of interruption Wherein,Wherein,Represent t communication link eijThe probability of happening of interruption, the external factor Information include t communication link eijThe probability of happening of interruption,Represent communication link eijThe risk schedule caused after interruption Value, It is the importance degree of communication link, business skBusiness importance degree be dk, every kind of number of services is nk
According to following formula, the information based on the external factor is determined in t device node viThe value-at-risk of interruption Wherein,Represent in t device node viThe probability of happening of failure, the letter of the external factor Breath includes t device node viThe probability of happening of failure,Represent device node viRisk schedule value after failure, It is device node importance degree,
Wherein, first risk parameter is included in t device node viThe value-at-risk of interruptionWith in t communication chain Road eijThe value-at-risk of interruption
6. method according to claim 1, it is characterised in that determine the of service disconnection according to first risk parameter Two risk parameters include:
The path w that business s is passed throughkThe accumulated value of the value-at-risk of upper each device node and communication link is defined as the business s's Disruption risk valueWherein, second risk parameter includes the disruption risk value
7. method according to claim 1, it is characterised in that determine the business in institute based on second risk parameter The transmission path stated in power telecom network includes:
From the power telecom network, the minimum path of the terminal value-at-risk of transmission services s is chosen, existed with obtaining the business s Transmission path in the power telecom network.
8. a kind of service transmission path determining device, it is characterised in that including:
Acquiring unit, the information of the external factor for obtaining power telecom network, wherein, the external factor is can to cause institute State the communication link of power telecom network and the factor of communication equipment fault;
First determining unit, the interrupted communication link and communication equipment fault are determined for the information based on the external factor The first risk parameter;
Second determining unit, the second risk parameter for determining service disconnection according to first risk parameter;
3rd determining unit, for determining transmission of the business in the power telecom network based on second risk parameter Path.
9. device according to claim 8, it is characterised in that the external factor is multiple, the acquiring unit includes:
Acquisition module, for obtaining the probability of happening that each described external factor makes the power telecom network break down;
First determining module, for determining the probability that the power telecom network breaks down based on the probability of happening, wherein, institute Stating the information of external factor includes the probability that the external factor makes the power telecom network break down.
10. device according to claim 8, it is characterised in that second determining unit includes:
Second determining module, for the path w for passing through business skThe accumulated value of the value-at-risk of upper each device node and communication link It is defined as the disruption risk value of the business sWherein, second risk parameter includes the disruption risk value
CN201611131851.5A 2016-12-09 2016-12-09 Service transmission path determines method and device Pending CN106789646A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611131851.5A CN106789646A (en) 2016-12-09 2016-12-09 Service transmission path determines method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611131851.5A CN106789646A (en) 2016-12-09 2016-12-09 Service transmission path determines method and device

Publications (1)

Publication Number Publication Date
CN106789646A true CN106789646A (en) 2017-05-31

Family

ID=58879485

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611131851.5A Pending CN106789646A (en) 2016-12-09 2016-12-09 Service transmission path determines method and device

Country Status (1)

Country Link
CN (1) CN106789646A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108011817A (en) * 2017-11-09 2018-05-08 中国电力科学研究院有限公司 A kind of method and system disposed again to power communication private network business route
CN108183814A (en) * 2017-12-08 2018-06-19 囯网河北省电力有限公司电力科学研究院 The malfunction elimination method and apparatus of the communication channel of power information acquisition system
CN109951738A (en) * 2017-12-21 2019-06-28 腾讯数码(天津)有限公司 Transmission path acquisition methods, the first electronic equipment and readable storage medium storing program for executing
CN110197305A (en) * 2019-05-31 2019-09-03 国家电网有限公司 A kind of relay protection data model chess game optimization method and system based on shortest path first
CN114900461A (en) * 2022-05-10 2022-08-12 国网浙江省电力有限公司信息通信分公司 Power communication network routing optimization method and device considering information physical fusion characteristics

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103281245A (en) * 2013-04-26 2013-09-04 广东电网公司电力调度控制中心 Method and device for determining routing path of service
CN105429894A (en) * 2015-11-30 2016-03-23 国网冀北电力有限公司信息通信分公司 Service route selection method and device in electric power communication network
CN105450448A (en) * 2015-11-30 2016-03-30 国网冀北电力有限公司信息通信分公司 Failure analysis method and device based on power communication network
CN105553869A (en) * 2015-12-11 2016-05-04 国网河北省电力公司 Method and system for risk balancing for power communication network

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103281245A (en) * 2013-04-26 2013-09-04 广东电网公司电力调度控制中心 Method and device for determining routing path of service
CN105429894A (en) * 2015-11-30 2016-03-23 国网冀北电力有限公司信息通信分公司 Service route selection method and device in electric power communication network
CN105450448A (en) * 2015-11-30 2016-03-30 国网冀北电力有限公司信息通信分公司 Failure analysis method and device based on power communication network
CN105553869A (en) * 2015-12-11 2016-05-04 国网河北省电力公司 Method and system for risk balancing for power communication network

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
官丽等: ""基于时延和业务风险的电力通信网的双路由配置方法"", 《2016智能电网发展研讨会》 *
赵子岩等: ""基于业务风险均衡度的电力通信网可靠性评估算法"", 《电网技术》 *
邢宁哲等: ""电力通信网安全事件量化模型和预测方法"", 《电力信息与通信技术》 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108011817A (en) * 2017-11-09 2018-05-08 中国电力科学研究院有限公司 A kind of method and system disposed again to power communication private network business route
CN108011817B (en) * 2017-11-09 2020-11-17 中国电力科学研究院有限公司 Method and system for redeploying power communication private network service route
CN108183814A (en) * 2017-12-08 2018-06-19 囯网河北省电力有限公司电力科学研究院 The malfunction elimination method and apparatus of the communication channel of power information acquisition system
CN109951738A (en) * 2017-12-21 2019-06-28 腾讯数码(天津)有限公司 Transmission path acquisition methods, the first electronic equipment and readable storage medium storing program for executing
CN109951738B (en) * 2017-12-21 2022-02-01 腾讯数码(天津)有限公司 Transmission path acquisition method, first electronic device, and readable storage medium
CN110197305A (en) * 2019-05-31 2019-09-03 国家电网有限公司 A kind of relay protection data model chess game optimization method and system based on shortest path first
CN110197305B (en) * 2019-05-31 2023-11-17 国家电网有限公司 Relay protection data model searching and optimizing method and system based on shortest path algorithm
CN114900461A (en) * 2022-05-10 2022-08-12 国网浙江省电力有限公司信息通信分公司 Power communication network routing optimization method and device considering information physical fusion characteristics
CN114900461B (en) * 2022-05-10 2024-04-26 国网浙江省电力有限公司信息通信分公司 Power communication network route optimization method and device considering information physical fusion characteristics

Similar Documents

Publication Publication Date Title
CN106789646A (en) Service transmission path determines method and device
CN105376156B (en) A kind of electric power backbone transport networks route planning method based on multiple attribute decision making (MADM)
CN108011817B (en) Method and system for redeploying power communication private network service route
CN105005827B (en) A kind of emergency response method for early warning based on electric power accident
CN102231647B (en) Fiber communication network service route configuration method used in electric power
CN106506357A (en) A kind of double route collocation method of power telecom network and device
CN103281245B (en) Determine method and the device of business routed path
CN110971525B (en) Service routing and addressing method for service operation of power communication network
CN103310387B (en) A kind of power telecom network method of operation Security Checking method
CN105553843B (en) A kind of relay protection of transmission line control service channel method for configuring route and device
CN108809828B (en) Power communication network routing method for joint balance of load flow and business risk
CN111130898B (en) Power communication network fault recovery method based on service characteristics and node reliability
CN103873363A (en) Double route configuration method for electric power optical fiber communication net services
CN106464531A (en) Proactive handling of network faults
CN105574600A (en) Power grid communication service oriented communication risk early warning and risk avoidance method
CN106846168A (en) The processing unit and system of transmission line of electricity scissors crossing
CN109038794A (en) A kind of extra-high voltage grid system protection service path planing method towards QoS control
CN107800624A (en) A kind of optimal circuitous path selection new method of regional protection key message
Zhao et al. A routing optimization method based on risk prediction for communication services in smart grid
CN112887207B (en) Service route distribution method and device for power IP-optical communication network
Booker et al. Estimating cellular network performance during hurricanes
CN110246372A (en) The Expansion Planning method of aviation support equipment
CN114662799A (en) Power transmission line maintenance plan optimization method, device, equipment and storage medium
CN110474801A (en) Powerline network fault simulation method based on service reliability
CN107465535B (en) A kind of link down risk analysis method, device, electronic equipment and storage medium

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170531

RJ01 Rejection of invention patent application after publication