CN108566292A - A kind of fiber optic quantum key distribution network failure recovery method and system - Google Patents
A kind of fiber optic quantum key distribution network failure recovery method and system Download PDFInfo
- Publication number
- CN108566292A CN108566292A CN201810182499.0A CN201810182499A CN108566292A CN 108566292 A CN108566292 A CN 108566292A CN 201810182499 A CN201810182499 A CN 201810182499A CN 108566292 A CN108566292 A CN 108566292A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- qkd
- fiber qkd
- station
- nodes
- 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.)
- Granted
Links
Classifications
-
- 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
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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
- H04B10/03—Arrangements for fault recovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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
- H04B10/70—Photonic quantum communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0852—Quantum cryptography
- H04L9/0855—Quantum cryptography involving additional nodes, e.g. quantum relays, repeaters, intermediate nodes or remote nodes
Abstract
The present invention provides a kind of fiber optic quantum key distribution network failure recovery method, including：When fiber optic quantum key distribution QKD network failures, the corresponding optical fiber QKD source nodes of impacted business and optical fiber QKD destination nodes are determined；Obtain the first object earth station of the optical fiber QKD source nodes connection and the second target floor station of optical fiber QKD destination nodes connection；Using the first object earth station, preset quantum satellite and second target floor station as the relay node between the optical fiber QKD source nodes and optical fiber QKD destination nodes, to restore the optical fiber QKD source nodes and the corresponding impacted business of optical fiber QKD destination nodes.The present invention by using the star between quantum satellite and earth station QKD, ground optical fiber QKD between combined ground station and optical fiber QKD networks, the fast quick-recovery of optical fiber QKD network failures of world collaboration may be implemented, the fault recovery efficiency for effectively improving optical fiber QKD networks solves the problems, such as that current optical fiber QKD network failures are difficult to respond rapidly to and restore in time.
Description
Technical field
The present invention relates to fiber optic quantum key distribution fields, more particularly, to a kind of fiber optic quantum key distribution network
Fault recovery method and system.
Background technology
Quantum key distribution (Quantum Key Distribution, QKD) refers to generating and distributing using Quantum Properties
The process or method of symmetric key, the process or method ensure the safety in principle by quantum information theory.According to transmission channel
Difference can be optical fiber QKD and free space QKD by QKD point, the technology of wherein optical fiber QKD is more ripe and degree of being practical compared with
Height, be increasingly becoming some government affairs, financial department secure communication network.
As the important infrastructure of carrying QKD, node and link in optical fiber QKD networks are likely to occur failure or object
Reason attack, causes QKD processes to be destroyed, once the optical fiber QKD of point-to-point can not respond rapidly to simultaneously in time restore, it will lead to it
The security service of carrying can not safe transmission, generation multi-play Services security risk and longer business waiting time delay.
So there is an urgent need for a kind of fiber optic quantum key distribution network failure recovery methods now, to solve current optical fiber QKD nets
The problem of network failure is difficult to respond rapidly to and restore in time.
Invention content
The present invention provides a kind of fiber optic quantum key distribution network failure recovery method, including：
Step S1, when fiber optic quantum key distribution QKD network failures, the sources impacted business corresponding optical fiber QKD are determined
Node and optical fiber QKD destination nodes；
Step S2, the first object earth station of the optical fiber QKD source nodes connection and the optical fiber QKD destination nodes are obtained
Second target floor station of connection；
Step S3, using the first object earth station, preset quantum satellite and second target floor station as
Relay node between the optical fiber QKD source nodes and optical fiber QKD destination nodes, to restore the optical fiber QKD source nodes and optical fiber
The corresponding impacted business of QKD destination nodes.
Wherein, step S1 includes：
When optical fiber QKD network failures, the faulty link and/or malfunctioning node of network failure are determined；
Determine several business influenced by the faulty link and/or malfunctioning node；
Obtain the corresponding optical fiber QKD source nodes of the impacted business of each single item and optical fiber QKD destination nodes.
Wherein, step S2 includes：
Obtain all earth stations of the optical fiber QKD source nodes connection and owning for optical fiber QKD destination nodes connection
Earth station；
The first object earth station is determined in all earth stations of optical fiber QKD source nodes connection, and in institute
It states and determines second Target Station in all earth stations of optical fiber QKD destination nodes connection.
It is wherein, described that the first object earth station is determined in all earth stations of optical fiber QKD source nodes connection,
And second Target Station is determined in all earth stations of optical fiber QKD destination nodes connection, including：
Calculate the distance between all earth stations of optical fiber QKD source nodes connection and described optical fiber QKD source nodes with
And all earth stations and the distance between the optical fiber QKD destination nodes of optical fiber QKD destination nodes connection；
All earth stations of optical fiber QKD source nodes connection and the distance between the optical fiber QKD source nodes are minimum
Earth station as the first object earth station, and by all earth stations and the light of optical fiber QKD destination nodes connection
The earth station of the distance between fine QKD destination nodes minimum is as second target floor station.
Wherein, step S3 is specifically included：
With establishing the star between the first object earth station and the quantum satellite QKD link connections, second mesh
With marking the star between earth station and the quantum satellite QKD link connections, the first object earth station and the sources the optical fiber QKD
The optical fiber between optical fiber QKD link connections and second target floor station and the optical fiber QKD destination nodes between node
QKD link connections, to restore the optical fiber QKD source nodes and the corresponding impacted business of optical fiber QKD destination nodes.
According to the second aspect of the invention, the present invention provides a kind of fiber optic quantum key distribution network disaster recovery system,
Including：
Determining module, for when fiber optic quantum key distribution QKD network failures, determining the corresponding optical fiber of impacted business
QKD source nodes and optical fiber QKD destination nodes；
Acquisition module, the first object earth station for obtaining the optical fiber QKD source nodes connection and the optical fiber QKD
Second target floor station of destination node connection；
Recovery module is used for the first object earth station, preset quantum satellite and second target floor
It stands as the relay node between the optical fiber QKD source nodes and optical fiber QKD destination nodes, to restore the optical fiber QKD source nodes
The impacted business corresponding with optical fiber QKD destination nodes.
According to the third aspect of the invention we, a kind of fiber optic quantum key distribution network disaster recovery equipment is provided, including：
Processor, memory, communication interface and bus；Wherein,
The processor, memory, communication interface complete mutual communication by the bus；
The communication interface is for the information transmission between the test equipment and the communication equipment of display device；
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to refer to
Order is able to carry out a kind of fiber optic quantum key distribution network failure recovery method described above.
According to the fourth aspect of the invention, a kind of computer program product, including program code, said program code are provided
For executing a kind of fiber optic quantum key distribution network failure recovery method described above.
According to the fifth aspect of the invention, a kind of non-transient computer readable storage medium is provided, for storing such as preceding institute
The computer program stated.
A kind of fiber optic quantum key distribution network failure recovery method provided by the invention and system, are defended by using quantum
Star between star and earth station ground QKD, between the QKD sourcesink nodes corresponding with optical fiber QKD network failure business of combined ground station
Ground optical fiber QKD may be implemented the fast quick-recovery of optical fiber QKD network failures of world collaboration, effectively improve optical fiber QKD networks
Fault recovery efficiency solves the problems, such as that current optical fiber QKD network failures are difficult to respond rapidly to and restore in time.
Description of the drawings
Fig. 1 is a kind of fiber optic quantum key distribution network failure recovery method flow chart provided in an embodiment of the present invention；
Fig. 2 is a kind of QKD network architecture schematic diagrams of world collaboration provided in an embodiment of the present invention；
Fig. 3 is a kind of fiber optic quantum key distribution network disaster recovery process schematic provided in an embodiment of the present invention；
Fig. 4 is a kind of fiber optic quantum key distribution network disaster recovery system construction drawing provided in an embodiment of the present invention.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
In the prior art, the safety of optical fiber QKD networks by " measurement collapse theory ", " Heisenberg uncertainty principle " and
The quantum mechanics philosophy of " the unclonable law of quantum " ensures there is the advantage of theoretically " unconditional security ".In optical fiber
In QKD networks, QKD nodes are integrated with quantum transceiver, quantum communicativity machine and credible relaying；QKD links are optical fiber, multifiber
Or multiple wavelength in simple optical fiber can be used separately as the quantum channel needed for QKD processes and negotiated channel.QKD nodes are double
Side carries out basic vector comparison, error checking by quantum channel bearing capacity sub-light signal and synchronous optical signal, and using negotiated channel
Information reconciliations are waited to complete the distribution of quantum key.The technology of optical fiber QKD is more ripe and degree of being practical is higher, has been increasingly becoming
The secure communication network of some government affairs, financial department.
But current optical fiber QKD networks lack quickly and effectively fault recovery method, once there are optical fiber QKD links
Or node failure need to carry out it is prolonged artificial repair, be easy to cause its carrying security service can not safe transmission, generate
Multi-play Services security risk and longer business wait for time delay.
For the above-mentioned prior art the problem of, the embodiment of the present invention provide a kind of fiber optic quantum key distribution network
Fault recovery method, core are that using star QKD is cooperateed with ground optical fiber QKD and complete the timely extensive of optical fiber QKD network failures
It is multiple.Star QKD there are the advantages such as distance is remote, covering is wide, efficient, can facilitate with earth station into planet by quantum satellite
QKD is docked, and earth station's QKD sourcesink nodes corresponding with optical fiber QKD network failure business are then carried out ground optical fiber QKD docking
The fault recovery for realizing world collaboration, can effectively promote the fault recovery efficiency of optical fiber QKD networks, solve current optical fiber QKD
The problem of network failure is difficult to respond rapidly to and restore in time.
Fig. 1 is a kind of fiber optic quantum key distribution network failure recovery method flow chart provided in an embodiment of the present invention, such as
Shown in Fig. 1, the method includes：
Step S1, when fiber optic quantum key distribution QKD network failures, the sources impacted business corresponding optical fiber QKD are determined
Node and optical fiber QKD destination nodes；
Step S2, the first object earth station of the optical fiber QKD source nodes connection and the optical fiber QKD destination nodes are obtained
Second target floor station of connection；
Step S3, using the first object earth station, preset quantum satellite and second target floor station as
Relay node between the optical fiber QKD source nodes and optical fiber QKD destination nodes, to restore the optical fiber QKD source nodes and optical fiber
The corresponding impacted business of QKD destination nodes.
It is understood that optical fiber QKD network failure recovery methods provided in an embodiment of the present invention are based on star QKD nets
Collaboration restoration methods between network and optical fiber QKD networks, the method provided according to embodiments of the present invention, the embodiment of the present invention provide
A kind of network architecture of " world collaboration " implements the method, and the world cooperates with " day " for being referred to as using star QKD networks
And optical fiber QKD networks connect with earth station " ".
Fig. 2 is a kind of QKD network architecture schematic diagrams of world collaboration provided in an embodiment of the present invention, as shown in Fig. 2, this hair
The QKD network architectures for the world collaboration that bright embodiment provides include three-decker：The quantum satellite plane of top layer, intermediate ground
Face station plane and optical fiber QKD network planes, optical fiber QKD network planes are by multiple QKD nodes and a plurality of optical fiber QKD link groups
At；Earth station's plane includes multiple earth stations；Quantum satellite plane includes a quantum satellite.Between earth station and QKD nodes
It is connected by one or more optical fiber QKD links, while the quantum signal that earth station can be emitted with reception amount subsatellite completes star
Ground QKD.
It should be noted that the connection of interplanar shown in Fig. 2 is used only to show the association between level, specifically
Connection quantity and the type of attachment embodiment of the present invention are not specifically limited, such as：One earth station may not only with an optical fiber
QKD nodes connect.
Specifically, in step S1, when monitoring optical fiber QKD network failures, determine immediately due to this failure by
The business of influence, it should be noted that same failure is possible to that multinomial business can be influenced simultaneously, for each single item business
The scheme of the embodiment of the present invention is taken to be implemented.
Further, for the affected business of each single item, the embodiment of the present invention can all determine the source node of its business
And destination node, due to being in optical fiber QKD networks, so be referred to as optical fiber QKD source nodes and light in embodiments of the present invention
Fine QKD destination nodes.
The start node that the optical fiber QKD source nodes, that is, business is sent out in optical fiber QKD networks, the places optical fiber QKD section
Point is the terminal node that business terminates in optical fiber QKD networks.
In step S2, as shown in Fig. 2, by the connection relation between earth station and QKD nodes, the embodiment of the present invention can
Determine the corresponding first object earth station of optical fiber QKD source nodes and optical fiber QKD destination nodes corresponding second target floor station,
The target floor station, that is, the earth station provided in an embodiment of the present invention as credible relay node.
In step S3, as shown in Fig. 2, the connection relation between throughput subsatellite and earth station, then can be by first
Target floor station, quantum satellite and the second target floor station as between optical fiber QKD source nodes and optical fiber QKD destination nodes can
Letter relaying is transmitted, so that optical fiber QKD networks are due to connection failure caused by network failure before restoring.
It should be noted that quantum satellite, which has, facilitates unique advantage covering the whole world, using quantum satellite launch quantum
The mode of signal, ground receiver carrys out the efficiency of into planet QKD more than with the efficient of equidistant ground light fibre QKD.Quantum is defended
Using the outer space and free space near the ground as quantum channel and negotiated channel needed for QKD between star and earth station, pass through
Quantum channel bearing capacity sub-light signal and synchronous optical signal, and carry out the information such as basic vector comparison, error checking using negotiated channel
With negotiating to come the star between performance subsatellite and earth station QKD.Based on star QKD, quantum satellite and first object earth station
Between negotiate key pair sequence X, key pair sequence Y is negotiated between quantum satellite and the second target floor station, quantum is defended
Star is sharp at quantum satellite in conjunction with the Encryption Algorithm for " one-time pad " being perfectly safe by Strict Proof as credible relaying
With key pair sequence Y encryption keys to sequence X (key pair sequence X is identical as the length of Y), and it is sharp at the second target floor station
It is decrypted with key pair sequence Y, to realize shared key pair between first object earth station and the second target floor station
Sequence X.
So as to using first object earth station, quantum satellite and the second target floor station as optical fiber QKD source nodes
Credible relaying between optical fiber QKD destination nodes.
On the basis of the above embodiments, step S1 includes：
When optical fiber QKD network failures, the faulty link and/or malfunctioning node of network failure are determined；
Determine several business influenced by the faulty link and/or malfunctioning node；
Obtain the corresponding optical fiber QKD source nodes of the impacted business of each single item and optical fiber QKD destination nodes.
It is understood that for optical fiber QKD network failures, general there are two types of failure causes, are link failure respectively
And node failure, link failure and node failure may occur may also independently occur simultaneously, but as long as in the presence of wherein one
A failure just influences whether optical fiber QKD business.
Specifically, when optical fiber QKD network failures, the faulty link of network failure and/or the position of malfunctioning node are determined,
By the position of faulty link and/or malfunctioning node, affected number of services can be inquired and business is directed toward, to
Obtain the optical fiber QKD source nodes and optical fiber QKD destination nodes of affected each single item business.
On the basis of the above embodiments, all earth stations of the optical fiber QKD source nodes connection and the light are obtained
All earth stations of fine QKD destination nodes connection；
The first object earth station is determined in all earth stations of optical fiber QKD source nodes connection, and in institute
It states and determines second Target Station in all earth stations of optical fiber QKD destination nodes connection.
It is understood that the node in each optical fiber QKD networks may be connected to multiple earth stations, but restoring
The embodiment of the present invention is only needed using Liang Ge earth stations therein as relaying when connection, so need in all earth stations really
Determine the first object earth station needed for the embodiment of the present invention and the second target floor station.
On the basis of the above embodiments, described that institute is determined in all earth stations of optical fiber QKD source nodes connection
First object earth station is stated, and determines second Target Station in all earth stations of optical fiber QKD destination nodes connection,
Including：
Calculate the distance between all earth stations of optical fiber QKD source nodes connection and described optical fiber QKD source nodes with
And all earth stations and the distance between the optical fiber QKD destination nodes of optical fiber QKD destination nodes connection；
All earth stations of optical fiber QKD source nodes connection and the distance between the optical fiber QKD source nodes are minimum
Earth station as the first object earth station, and by all earth stations and the light of optical fiber QKD destination nodes connection
The earth station of the distance between fine QKD destination nodes minimum is as second target floor station.
It should be noted that the embodiment of the present invention provides a kind of calculating earth station and the mode of nodal distance determines target
Earth station, specifically, the embodiment of the present invention can calculate all earth stations of all optical fiber QKD source nodes connections and the optical fiber
The distance between QKD source nodes and all earth stations and the optical fiber QKD destination nodes of optical fiber QKD destination nodes connection it
Between distance, then therefrom choose the shortest distance earth station as target floor station, it is to be understood that selected distance is most short
Earth station can save more resources and with faster connection recovery effects.
Certainly, if optical fiber QKD nodes are only connected to an earth station, distance need not be calculated, it directly will connection
Earth station be determined as target floor station.
On the basis of the above embodiments, step S3 is specifically included：
With establishing the star between the first object earth station and the quantum satellite QKD link connections, second mesh
With marking the star between earth station and the quantum satellite QKD link connections, the first object earth station and the sources the optical fiber QKD
The optical fiber between optical fiber QKD link connections and second target floor station and the optical fiber QKD destination nodes between node
QKD link connections, to restore the optical fiber QKD source nodes and the corresponding impacted business of optical fiber QKD destination nodes.
It is understood that for establishing on process nature for credible relay node being distinguished by optical fiber QKD links
Establish optical fiber QKD source nodes and the connection of earth station being attached thereto and optical fiber QKD destination nodes and the earth station that is attached thereto
Connection, and by star QKD links establish respectively the connection of the connected earth station of optical fiber QKD source nodes and quantum satellite with
And the connection of the connected earth station and quantum satellite of optical fiber QKD destination nodes.
So, establish connection after the earth station being connected with optical fiber QKD source nodes, quantum satellite and with the places optical fiber QKD section
The connected earth station of point can be used as credible relay node and use, to realize the fast quick-recovery of failure of optical fiber QKD networks.
Fig. 3 is a kind of fiber optic quantum key distribution network disaster recovery process schematic provided in an embodiment of the present invention, such as
Shown in Fig. 3, if the link failure of optical fiber QKD networks be happened on the optical fiber link of connection QKD nodes A and QKD nodes B and/
Or the node failure of optical fiber QKD networks is happened at QKD nodes B.
After link failure and node failure reach, the optical fiber QKD business that inquiry failure influences knows QKD nodes A extremely
The optical fiber QKD business of QKD nodes C is affected, optical fiber QKD process interrupts, then the corresponding optical fiber QKD of failure can be determined
The sourcesink node of business is respectively QKD node A and QKD nodes C.
To obtain the earth station being connected with QKD nodes A：Earth station A, and obtain the earth station being connected with QKD nodes C：
Earth station B and earth station C；Then QKD nodes A is calculated at a distance from earth station A：50km, and calculate QKD nodes C and earth station
The distance of B/C：50km/70km；To which selection and QKD nodes A are apart from shortest earth station：Earth station A, and select to save with QKD
Point C is apart from shortest earth station：Earth station B.
It is saved by the connection of optical fiber QKD link establishments QKD nodes A and earth station A, and by optical fiber QKD link establishments QKD
The connection of point C and earth station B；Then the connection of by star QKD link establishments earth station A and quantum satellite, and establish ground
It stands the connection of B and quantum satellite；Last QKD nodes A is same as credible relaying using earth station A, quantum satellite and earth station B
QKD nodes C establishes QKD and restores connection, is finally completed the fault recovery of optical fiber QKD networks.
A kind of fiber optic quantum key distribution network failure recovery method provided by the invention and system, are defended by using quantum
Star between star and earth station ground QKD, between the QKD sourcesink nodes corresponding with optical fiber QKD network failure business of combined ground station
Ground optical fiber QKD may be implemented the fast quick-recovery of optical fiber QKD network failures of world collaboration, effectively improve optical fiber QKD networks
Fault recovery efficiency solves the problems, such as that current optical fiber QKD network failures are difficult to respond rapidly to and restore in time.
Fig. 4 is a kind of fiber optic quantum key distribution network disaster recovery system construction drawing provided in an embodiment of the present invention, such as
Shown in Fig. 4, the system comprises：Determining module 1, acquisition module 2 and recovery module 3, wherein：
Determining module 1 is used for when fiber optic quantum key distribution QKD network failures, determines the corresponding optical fiber of impacted business
QKD source nodes and optical fiber QKD destination nodes；
Acquisition module 2 is used to obtain the first object earth station of the optical fiber QKD source nodes connection and the optical fiber QKD
Second target floor station of destination node connection；
Recovery module 3 is used for the first object earth station, preset quantum satellite and second target floor
It stands as the relay node between the optical fiber QKD source nodes and optical fiber QKD destination nodes, to restore the optical fiber QKD source nodes
The impacted business corresponding with optical fiber QKD destination nodes.
It is specific how to utilize determining module 1, acquisition module 2 and recovery module 3 to fiber optic quantum key distribution network
Fault recovery can be found in above-described embodiment, and details are not described herein for the embodiment of the present invention.
The embodiment of the present invention provides a kind of fiber optic quantum key distribution network disaster recovery system, including：At least one place
Manage device；And at least one processor being connect with the processor communication, wherein：
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to refer to
It enables to execute the method that above-mentioned each method embodiment is provided, such as including：Step S1, when fiber optic quantum key distribution QKD nets
When network failure, the corresponding optical fiber QKD source nodes of impacted business and optical fiber QKD destination nodes are determined；Step S2, the optical fiber is obtained
The first object earth station of QKD source nodes connection and the second target floor station of optical fiber QKD destination nodes connection；Step
S3, using the first object earth station, preset quantum satellite and second target floor station as the sources the optical fiber QKD
Relay node between node and optical fiber QKD destination nodes is corresponded to restoring the optical fiber QKD source nodes and optical fiber QKD destination nodes
The impacted business.
The present embodiment discloses a kind of computer program product, and the computer program product includes being stored in non-transient calculating
Computer program on machine readable storage medium storing program for executing, the computer program include program instruction, when described program instruction is calculated
When machine executes, computer is able to carry out the method that above-mentioned each method embodiment is provided, such as including：Step S1, work as amount of fibre
When quantum key distribution QKD network failures, the corresponding optical fiber QKD source nodes of impacted business and optical fiber QKD destination nodes are determined；Step
The second mesh of S2, the first object earth station for obtaining the optical fiber QKD source nodes connection and optical fiber QKD destination nodes connection
Mark earth station；Step S3, using the first object earth station, preset quantum satellite and second target floor station as
Relay node between the optical fiber QKD source nodes and optical fiber QKD destination nodes, to restore the optical fiber QKD source nodes and optical fiber
The corresponding impacted business of QKD destination nodes.
The present embodiment provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage medium
Computer instruction is stored, the computer instruction makes the computer execute the method that above-mentioned each method embodiment is provided, example
Such as include：Step S1, when fiber optic quantum key distribution QKD network failures, determine that the sources impacted business corresponding optical fiber QKD are saved
Point and optical fiber QKD destination nodes；Step S2, the first object earth station of the optical fiber QKD source nodes connection and the light are obtained
Second target floor station of fine QKD destination nodes connection；Step S3, by the first object earth station, preset quantum satellite with
And second target floor station is as the relay node between the optical fiber QKD source nodes and optical fiber QKD destination nodes, to restore
The optical fiber QKD source nodes and the corresponding impacted business of optical fiber QKD destination nodes.Those of ordinary skill in the art can manage
Solution：Realize that all or part of step of above method embodiment can be completed by the relevant hardware of program instruction, it is above-mentioned
Program can be stored in a computer read/write memory medium, and when being executed, execution includes above method embodiment to the program
The step of；And storage medium above-mentioned includes：The various media that can store program code such as ROM, RAM, magnetic disc or CD.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It is realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be expressed in the form of software products in other words, should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, the present processes are only preferable embodiment, are not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in the protection of the present invention
Within the scope of.
Claims (9)
1. a kind of fiber optic quantum key distribution network failure recovery method, which is characterized in that including：
Step S1, when fiber optic quantum key distribution QKD network failures, the corresponding optical fiber QKD source nodes of impacted business are determined
With optical fiber QKD destination nodes；
Step S2, first object earth station and the optical fiber QKD destination nodes connection of the optical fiber QKD source nodes connection are obtained
The second target floor station；
Step S3, using the first object earth station, preset quantum satellite and second target floor station as described in
Relay node between optical fiber QKD source nodes and optical fiber QKD destination nodes, to restore the optical fiber QKD source nodes and the places optical fiber QKD
The corresponding impacted business of node.
2. according to the method described in claim 1, it is characterized in that, step S1 includes：
When optical fiber QKD network failures, the faulty link and/or malfunctioning node of network failure are determined；
Determine several business influenced by the faulty link and/or malfunctioning node；
Obtain the corresponding optical fiber QKD source nodes of the impacted business of each single item and optical fiber QKD destination nodes.
3. according to the method described in claim 1, it is characterized in that, step S2 includes：
Obtain all earth stations of the optical fiber QKD source nodes connection and all ground of optical fiber QKD destination nodes connection
It stands；
The first object earth station is determined in all earth stations of optical fiber QKD source nodes connection, and in the light
Second Target Station is determined in all earth stations of fine QKD destination nodes connection.
4. according to the method described in claim 1, it is characterized in that, described in all of optical fiber QKD source nodes connection
The first object earth station is determined in the station of face, and institute is determined in all earth stations of optical fiber QKD destination nodes connection
The second Target Station is stated, including：
Calculate the distance between all earth stations of the optical fiber QKD source nodes connection and described optical fiber QKD source nodes and institute
State the distance between all earth stations of optical fiber QKD destination nodes connection and described optical fiber QKD destination nodes；
By the minimum ground of the distance between all earth stations of optical fiber QKD source nodes connection and the optical fiber QKD source nodes
Face station is as the first object earth station, and all earth stations that the optical fiber QKD destination nodes are connected and the optical fiber QKD
The earth station of the distance between destination node minimum is as second target floor station.
5. according to the method described in claim 1, it is characterized in that, step S3 is specifically included：
With establishing the star between the first object earth station and the quantum satellite QKD link connections, second target
Star between face station and the quantum satellite ground QKD link connections, the first object earth station and the optical fiber QKD source nodes
Between optical fiber QKD link connections and second target floor station and the optical fiber QKD destination nodes between optical fiber QKD chains
Road connects, to restore the optical fiber QKD source nodes and the corresponding impacted business of optical fiber QKD destination nodes.
6. a kind of fiber optic quantum key distribution network disaster recovery system, which is characterized in that including：
Determining module, for when fiber optic quantum key distribution QKD network failures, determining the corresponding optical fiber QKD of impacted business
Source node and optical fiber QKD destination nodes；
Acquisition module, the first object earth station for obtaining the optical fiber QKD source nodes connection and the places optical fiber QKD section
Second target floor station of point connection；
Recovery module, for making the first object earth station, preset quantum satellite and second target floor station
For the relay node between the optical fiber QKD source nodes and optical fiber QKD destination nodes, to restore the optical fiber QKD source nodes and light
The corresponding impacted business of fine QKD destination nodes.
7. a kind of computer equipment, which is characterized in that including memory and processor, the processor and the memory pass through
Bus completes mutual communication；The memory is stored with the program instruction that can be executed by the processor, the processor
Described program instruction is called to be able to carry out the method as described in claim 1 to 5 is any.
8. a kind of computer program product, which is characterized in that the computer program product includes being stored in non-transient computer
Computer program on readable storage medium storing program for executing, the computer program include program instruction, when described program is instructed by computer
When execution, the computer is made to execute the method as described in claim 1 to 5 is any.
9. a kind of non-transient computer readable storage medium, which is characterized in that the non-transient computer readable storage medium is deposited
Computer instruction is stored up, the computer instruction makes the computer execute the method as described in claim 1 to 5 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810182499.0A CN108566292B (en) | 2018-03-06 | 2018-03-06 | Fault recovery method and system for optical fiber quantum key distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810182499.0A CN108566292B (en) | 2018-03-06 | 2018-03-06 | Fault recovery method and system for optical fiber quantum key distribution network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108566292A true CN108566292A (en) | 2018-09-21 |
| CN108566292B CN108566292B (en) | 2020-06-12 |
Family
ID=63531377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810182499.0A Active CN108566292B (en) | 2018-03-06 | 2018-03-06 | Fault recovery method and system for optical fiber quantum key distribution network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108566292B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110166115A (en) * | 2019-04-19 | 2019-08-23 | 全球能源互联网研究院有限公司 | A kind of quantum optical network service fault recovery method and device based on pool of keys |
| CN110519146A (en) * | 2019-08-23 | 2019-11-29 | 北京邮电大学 | Service protecting method and controller based on air-ground integrated annular link structure |
| CN110662123A (en) * | 2019-08-23 | 2020-01-07 | 北京邮电大学 | Service protection method and controller for optical fiber link in air-ground integrated optical network |
| CN113572610A (en) * | 2021-08-20 | 2021-10-29 | 济南量子技术研究院 | Quantum communication network based on satellite relay and networking method |
| CN113826361A (en) * | 2019-03-21 | 2021-12-21 | 伊顿智能动力有限公司 | Bus configuration and method for operating a bus configuration |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101627575A (en) * | 2006-12-21 | 2010-01-13 | 维里逊服务运作有限公司 | Large scale quantum cryptographic key distribution network |
| US9306740B2 (en) * | 2011-03-11 | 2016-04-05 | The Aerospace Corporation | Systems, methods, and apparatus for a quantum key distribution telescope |
| CN107437995A (en) * | 2016-05-27 | 2017-12-05 | 西安电子科技大学 | Satellite-based wide area quantum communication network system and communication means |
| CN107508671A (en) * | 2017-08-18 | 2017-12-22 | 北京邮电大学 | Service communication method and device based on quantum key distribution |
| CN107566041A (en) * | 2017-08-29 | 2018-01-09 | 华南师范大学 | QKD metropolitan area network systems and its key distribution method based on Sagnac rings |
-
2018
- 2018-03-06 CN CN201810182499.0A patent/CN108566292B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101627575A (en) * | 2006-12-21 | 2010-01-13 | 维里逊服务运作有限公司 | Large scale quantum cryptographic key distribution network |
| US9306740B2 (en) * | 2011-03-11 | 2016-04-05 | The Aerospace Corporation | Systems, methods, and apparatus for a quantum key distribution telescope |
| CN107437995A (en) * | 2016-05-27 | 2017-12-05 | 西安电子科技大学 | Satellite-based wide area quantum communication network system and communication means |
| CN107508671A (en) * | 2017-08-18 | 2017-12-22 | 北京邮电大学 | Service communication method and device based on quantum key distribution |
| CN107566041A (en) * | 2017-08-29 | 2018-01-09 | 华南师范大学 | QKD metropolitan area network systems and its key distribution method based on Sagnac rings |
Non-Patent Citations (1)
| Title |
|---|
| 王为众等: "一种适用于天地一体化网络的卫星通信港设计", 《无线电通信技术》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113826361A (en) * | 2019-03-21 | 2021-12-21 | 伊顿智能动力有限公司 | Bus configuration and method for operating a bus configuration |
| CN110166115A (en) * | 2019-04-19 | 2019-08-23 | 全球能源互联网研究院有限公司 | A kind of quantum optical network service fault recovery method and device based on pool of keys |
| CN110166115B (en) * | 2019-04-19 | 2020-07-28 | 全球能源互联网研究院有限公司 | Quantum optical network service fault recovery method and device based on key pool |
| CN110519146A (en) * | 2019-08-23 | 2019-11-29 | 北京邮电大学 | Service protecting method and controller based on air-ground integrated annular link structure |
| CN110662123A (en) * | 2019-08-23 | 2020-01-07 | 北京邮电大学 | Service protection method and controller for optical fiber link in air-ground integrated optical network |
| CN113572610A (en) * | 2021-08-20 | 2021-10-29 | 济南量子技术研究院 | Quantum communication network based on satellite relay and networking method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108566292B (en) | 2020-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108566292A (en) | A kind of fiber optic quantum key distribution network failure recovery method and system | |
| US8781129B2 (en) | Systems, methods, and apparatus for electrical grid quantum key distribution | |
| CN110224815A (en) | QKD network resource allocation method and system | |
| JP2007329865A (en) | Quantum information communication system, quantum information relay apparatus, quantum information communication method and program | |
| Brito et al. | Satellite-based photonic quantum networks are small-world | |
| CN102124704A (en) | Link diversity and load balancing across digital and optical express-thru nodes | |
| CN109194468A (en) | Dispositions method, device and the equipment of relay node, computer readable storage medium | |
| CN109508295A (en) | Block chain common recognition test of heuristics method, apparatus, computing device and storage medium | |
| CN109039959A (en) | A kind of the consistency judgment method and relevant apparatus of SDN network rule | |
| CN106464511B (en) | A kind of service protecting method and device | |
| US11962354B2 (en) | Hybrid space-fiber quantum networks for widespread entanglement distribution | |
| CN101515884B (en) | Method and device for implementing UNI service | |
| CN100413258C (en) | Pre-alarming method | |
| CN115865705A (en) | Multi-party federal learning system, method, equipment and medium based on supervision mechanism | |
| CN109219105A (en) | Route switching method and route handoff system | |
| CN108023816A (en) | Optimal the message routing determining method of path and device of cross-border interbank | |
| US20150201000A1 (en) | Distributed computation of linear combinations in a network | |
| CN115333642B (en) | Remote quantum computer network application method and system based on quantum satellite | |
| CN110445574A (en) | A kind of optical network transmission method and system based on hypergraph structure | |
| Mannalath et al. | Entanglement routing and bottlenecks in grid networks | |
| Dikbıyık | Multi-repairmen problem for disaster recovery of optical networks | |
| CN109861910A (en) | A kind of power telecom network link importance calculation method based on link availability | |
| JP6523319B2 (en) | Technology of message retransmission mechanism | |
| US11856094B2 (en) | Method of quantum key distribution via load node | |
| CN105379211B (en) | Mechanism for terminating operation of relays in the distribution switch with cascade configuration |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |