CN209134427U - A kind of vehicle-mounted command communications system of complete disaster tolerance - Google Patents
A kind of vehicle-mounted command communications system of complete disaster tolerance Download PDFInfo
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Abstract
The utility model discloses a kind of vehicle-mounted command communications systems of complete disaster tolerance, system includes the communication unit of multiple collaboration commanders, data and algorithm service are obtained from ISP's unit by network, ISP's unit backs up data to other communication units, when network is abnormal, new ISP's unit is generated in each sub-network, and service is provided, original ISP's unit generates new ISP's unit by arbitration and provides service after sub-network merges, the standby service node of ISP's unit backs up in realtime to main service node, in single communication unit when single server failure, it can be rapidly switched to vice-node and service is provided.The utility model still retained data and can provide service in the case where only deposit receipt communication unit, and the convenience that two-stage calamity has been significantly greatly increased the flexibility of collaboration command system and has used for redundancy scheme, this high fault tolerance design is constructed in network and in unit.
Description
Technical field
The utility model relates to a kind of control systems for operational commanding, refer specifically to a kind of vehicle-mounted commander of complete disaster tolerance
Communication system.
Background technique
Vehicle-mounted cooperation command communications system has important application in military field, has Flexible deployment, movement fast
Speed, the features such as single-point is easily ruined, physical layer communication is unstable；Under the electromagnetic environment of various complexity, cammander needs to carry out global
Situation displaying, smart battlefield Analysis of Policy Making, combat order is assigned, Fire Unit guides, voice and video is conversed；Traditional commander
The way of communication system is in fixed position deployment services end and database, and each node passes through battlefield wireless network to fixation
Data communication services request and upload data, this architecture design do not have disaster tolerance attribute, once the data center when fighting
It is destroyed, all data will be unable to restore, once network is abnormal, will be unable to continue work with the unit of server-side disconnecting
Make, does not have the flexibility of Flexible deployment.
Utility model content
The purpose of this utility model is to provide a kind of vehicle-mounted command communications systems of complete disaster tolerance, to solve vehicle-mounted collaboration
Command scene when system disaster tolerance problem, with guarantee each collaboration unit in the case where physical communication network is unstable, Ke Yian
It is complete to carry out data transmission and store, it realizes the disaster tolerance of data and service, efficiently reduces network environment and function client is visited
Ask the influence of system service.
The purpose of this utility model so realizes that the vehicle-mounted command communications system includes more than one communication unit
Member, the communication unit are physically integrated command car or command post, are connected between communication unit by IP network, each
Communication unit includes more than two servers, any number according to collection terminal and function client, and the data collection terminal is used
To acquire the data of battleficld command needs, the function client is described to provide the system function of operational commanding needs
Data collection terminal, function client and server function and data interaction, all communication are connected and carried out by Ethernet
The server zone of the server composition of the unit vehicle-mounted command communications system, each server are described as a node
System is ISP's unit by selecting a communication unit, sets a node of ISP's unit to
Main service node is to data collection terminal and function clients providing data and calculates service, disposes database mould on each node
Block, business service module and node control module, the database module is to provide data access function, the business
Service module is to provide all kinds of business services to data collection terminal and function client, and the node control module is to certainly
The operating mode of each server in server zone described in main management, is provided including following functions:
In system deployment planning, the node control module is that each communication unit distributes unique identification, respectively
Each server in communication unit distributes IP address, is each server configuration node rank, default principal and subordinate's attribute, for service
The external service IP address of device group configuration；
In system initialization startup stage, the node control module sends this section in certain multicast address periodically
Point information, while the information of other nodes is received, current ISP in judgement system, if without ISP, it will
This unit is set as ISP's unit, and notices other communication units, if there is multiple ISPs, enters conflict solution
In the certainly stage, if there is an ISP, system enters into stable operation stage；
In the system stable operation stage, a server of ISP's unit be designated based on service section
Point, other servers in ISP's unit are set as active service node, on the main service node with
Master mode log-on data library module, on the active service node in a manner of slave log-on data library module, database
After module starts successfully, starting business service module, the server in non-service provider unit is generic services node, with
After slave mode log-on data library module, start business service module；
When system occurs fission or merges, if system is fissioned, with ISP's unit in same net after fission
The communication unit of network will continue to stable operation, and with ISP's unit not in the communication unit of consolidated network after fissioning,
After node control module finds the failure of main service node, by main service node information deletion, while the communication system in the network
Into system initialization startup stage, the operation of system initialization startup stage is executed；If system merges, in new network
It will appear more than one ISP's unit, then enter the Conflict solving stage；
In system crash resolution stage, communication unit carries out nodal information exchange between each other, is receiving other services
When the nodal information of supplier's unit, according to service start times, default priority, current sub network number of nodes factor, calculate
The priority of the node is compared with the priority of this node, without any processing if this node priority is high, is still made
It is non-service provider unit by this cell translation if the priority of this node is low for ISP's unit of system,
This unit includes that node switchs to generic services node, stops business service module and log-on data merges, data merging treatment knot
Shu Hou, the log-on data library module in a manner of slave start synchronous from ISP's unit progress data.
Further, the node control module includes node state monitoring modular, network data receiving module and main clothes
Business querying node module, in which:
The node state monitoring modular includes a node state monitor timer, one fixed time inspection of every mistake
Whether primary main service node information fails, if main service node does not fail, only sends this node information announcement message, not into
Row other operation, if main service node fail, this node is switched to main service node, and send notice this node based on take
The notice message of business node；
The main service node enquiry module is to send main service node inquiry request, and starter node status monitoring
Timer does not receive main service node in one fixed time interval and replys, then next fixed time interval continues to send main service node
Inquiry request, continuous three fixed time intervals do not receive main service node and reply, then this node are switched to main service node；
The network data receiving module is used to carry out the reception and processing of internet message, when receiving internet message
Afterwards, first determine whether sender of the message is main service node:
For the notice message that main service node is sent, if this node is also main service node, enter arbitration process,
Determine that final main service node judges the main service in notice message if this node is non-main service node according to priority
Whether Node field value is identical as the main service node of storage, if it is different, the main service node updated storage is the master in message
Service node field value, it is identical, it does not operate；
For the message that non-master service node is sent, if this node is main service node, main service section in message is judged
Whether point field value is this node, is to ignore, is not, sends main service node inquiry request；If this node is non-main clothes
Business node, judges whether the main service node information in notice message is this node, is, this node is switched to main service and is saved
Point.
Further, the server in the communication unit further includes Multi computer cooperation module, the Multi computer cooperation mould
Active and standby control and switching of the block to realize more than two servers, and the external service IP address of server zone is arranged to institute
On the main service node for the ISP's unit stated.
Further, the process flow of the node control module includes:
S1, node control module self-starting after server booting；
S2, the node control module starting network data receiving module and node state monitoring modular 1111, then again
Start main service node enquiry module；
S3,1111 starter node status monitoring timer of node state monitoring modular, if the machine is main service node,
One fixed time interval of every mistake is to other node periodicity sending nodal information notice messages, if the machine is non-master service node,
One fixed time interval of every mistake checks whether the notice message of main service node is overtime, such as time-out, then this node is switched to main clothes
Business node, and the nodal information notice message for noticing that this node is main service node is sent, common save is sent if having not timed out
Point information announcement message；
S4, network data receiving processing module, which is in, monitors wait state, if receiving other nodes out of multicast network
Nodal information notice message, then enter treatment process S6；
S5, main service node enquiry module send main service node inquiry request, start single time-out monitor timer, single
After secondary time-out monitor timer expires, check locally whether there is main service node information, if it is not, continuing to send main service
This node is set and is switched as main service node after time-out three times by node query requests；
S6 judges whether the notice message that network data receiving processing module receives is main service node transmission, if so,
Enter step S7；If it is not, into S8；
S7 judges whether localized nodes are main service node, and conflict is entered if localized nodes are also main service node
Process flow S9, if localized nodes are not main service nodes, into S10；
S8 judges whether localized nodes are main service node, if localized nodes are not main service nodes, into S11, such as
Fruit localized nodes are main service nodes, then judge whether the main service node field in notice message is this node, is not locate
Reason is not then to enter S5;
S9 calculates the preferential of the node according to service start times, default priority, current sub network number of nodes factor
Grade is compared with the priority of this node, without any processing if this node priority is high, still as the main clothes of system
This node is converted to non-master service node if the priority of this node is low by business node；
S10 judges whether main service node is identical as locally stored main service node information, does not locate if the same
Main service node information update is main service node if different by reason；
S11 judges whether the main service node field in notice message is identical as locally stored main service node information,
If the same it does not handle, continues to judge whether the main service node field in notice message is this node if different, such as
Fruit is that this node is then switched to main service node by this node, and it is logical for the nodal information of main service node to send this node of notice
Message is accused, is not to ignore.
Further, the clash handle process includes:
SS1, network data receiving processing module receive the nodal information notice message of other nodes out of multicast network, this disappears
Breath is that main service node is sent, and this node is also main service node；
SS2 is logical according to the main serving node services duration in notice message, node default level, current network node number
Cross parameter factors calculate outbound message sending node dynamic priority, by the service start times of this node, node default level,
Current network node number calculates this section point dynamic priority by identical parameter factors, wherein main serving node services duration
It is started counting after stable operation, node default level is in the static configuration when system deployment is planned, by the reinforcing of communication unit
Attribute, geographical location, tactics status determine that current network node number is disappeared by main service node by the notice of active service node
Breath statistics；
SS3, it is if comparing message sending node and this node priority of the dynamic priority of this node height, this node is excellent
First grade is high, continues to keep servicing and sending the nodal information notice message for noticing that this node is main service node, if this node
Priority it is low, then this node is converted into non-service provider unit, sends this node information announcement message, main clothes therein
Business Node field is the priority node being compared, and stops business service module and log-on data merges, at data merging
After reason, the log-on data library module in a manner of slave starts to synchronize from ISP's unit progress data, open again later
Dynamic business service module.
Further, the vehicle-mounted command communications system distinguishes critical data and non-critical data, to crucial number
According to carrying out all node real-time synchronizations, and non-critical data carries out the master-slave back-up inside communication unit first, then again to it
The idle that his communication unit does low priority is synchronous.
Further, the server has double netcard, and one of network interface card of server is connected directly in communication unit
Another server is used for unit internal communication, another network interface card accesses IP network, is used for unit correspondence with foreign country.
Further, business service is distinguished, the business service module deployment way is adjusted, for single reference
Data volume is big, access is frequent, data unconverted infrastructure service for a long time, by providing inside unit.
Further, the IP network is radio station ad hoc network or satellite network.
Compared with prior art, the beneficial effects of the utility model are at least one of following:
Vehicle-mounted command communications system provided by the utility model has complete disaster tolerance, i.e., in extreme circumstances, in object
Reason command car/command post's communication unit only in the case where deposit receipt point, can still retain system data, and can continue to mention to the greatest extent
For service；In single communication unit in the case where single server failure, business can accomplish second grade switching, and data will not lose
It loses；In communication network and two-stage calamity is constructed for redundancy scheme in communication unit, and server of the system is made to have non-stop layer, physics
The characteristic that position dispersion is disposed, do not influenced by single-point hardware fault；Under the high war scene of risk, command vehicle fast
In the case that speed is mobile, allow of short duration disengaging cluster, continues offer service by area communication units, and after being added, and quickly melt
It is integrated, the convenience that this high fault tolerance design has been significantly greatly increased the flexibility of collaboration command system and has used.
Detailed description of the invention
Fig. 1 is the composed structure schematic diagram of the utility model；
Fig. 2 is the communication unit composed structure schematic diagram of the utility model；
Fig. 3 is the node control module composed structure schematic diagram of the utility model；
Fig. 4 is the node control module work flow diagram of the utility model；
Fig. 5 is the logical flow chart of the node control module management server cluster of the utility model；
Fig. 6 is that the utility model network data receiving processing module carries out clash handle flow diagram.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1, the vehicle-mounted command communications system of complete disaster tolerance provided by the utility model includes multiple collaboration commanders
Communication unit 100.1,100.2 ..., 100.m be connected into IP network 200, the number of function client 130/ of multiple communication units 100
The data generated according to collection terminal 140 are sent to the server-side of data service provider's communication unit 100 by IP network 200, and
System data and algorithm service, data service provider's communication unit are obtained from data service provider's unit by IP network 200
Member 100 backs up data to the server-side of other communication units 100 by IP network 200.The communication unit 100 is physically
The command car being integrated or command post are in diverse geographic location.
As shown in Fig. 2, each communication unit 100 includes multiple servers 110, any function client 130 and/or number
According to collection terminal 140, the server 110, function client 130, data collection terminal 140 inside communication unit 100 by with
Too net connection, the function client 130 include a whole set of professional command and control software, are deployed to multiple are connected to inside respectively
In the PC system of Ethernet, include the client modules such as situation, decision, instruction, simulation；Data collection terminal 140 is integrated into
Various peripheral hardwares in 100 network of communication unit, in command and control system, including radar, sonar, temperature, humidity, wind direction and wind velocity
Etc. modules.
The server 110 of all communication units 100 forms the server zone of the system, and each server 110 is used as one
A node, the system is ISP's unit by selecting a communication unit 100, by ISP's unit
One node, which is arranged, to be provided data to data collection terminal 140 and function client 130 for main service node and calculates service, described
Each node deployment of communication system has node control module 111, database module 113, business service module 115, database
Module 113 is stored for data, and storing data includes all kinds of static datas, such as system configuration, algorithm model and dynamic number
According to if front-end module acquires data, instruction, track, communication speech, picture, business service module 115 is responsible for algorithm, data
It is encapsulated as application protocol interface, is accessed by function client 130, data collection terminal 140 by IP network 200, algorithm is field
The solidification algorithm and process of expert, such as the operation of arm discharge track, target trajectory prediction, node control module 111 is with coming from
The operating mode of each server 110 in server zone described in main management, including following functions:
In system deployment planning, the node control module 111 is that each communication unit 100 distributes unique identification,
Server 110 respectively in communication unit 100 distributes IP address, is each 110 configuration node rank of server, default principal and subordinate
Attribute configures external service IP address for server zone.
In system initialization startup stage, the node control module 111 is sent in certain multicast address periodically
This nodal information, while the information of other nodes is received, current ISP in judgement system, if without ISP,
ISP's unit then is set by this unit, and notices other communication units 100, if there is multiple ISPs, into
Enter the Conflict solving stage, if there is an ISP, server zone enters stable operation stage, produces in this stage system
Raw several ISP's units depend primarily on the boot sequence of each communication unit 100 in system, if each unit is in order
Successively started, the communication unit 100 of that first starting finds do not have ISP's unit in network, just sets itself
Be set to ISP's unit, the communication unit 100 then started will automatically become non-service provider unit, system naturally into
Enter stable operation stage, starts simultaneously if there are more than two communication units 100 in system, all itself can be set as taking
Business supplier's unit, then system generates multiple ISP's units, into system crash resolution stage.
In the system stable operation stage, a server 110 of ISP's unit be designated based on service
Node, other servers 110 in ISP's unit are set as active service node, the main service node
On in a manner of master log-on data library module 113, on the active service node in a manner of slave log-on data library module
113, after database module 113 starts successfully, start business service module 115, the server 110 in non-service provider unit
For generic services node, in a manner of slave after log-on data library module 113, start business service module 115, this stage is specified
Main service node relies primarily on default principal and subordinate's attribute when the systems organization stage, provides when a traffic element is arranged to service
When person's unit, will default principal and subordinate's attribute be that " master " is arranged as main service node, by default principal and subordinate's attribute being set as " from "
Active service node；
When system occurs fission or merges, if system is fissioned, with ISP's unit in same net after fission
The communication unit 100 of network will continue to stable operation, and with ISP's unit not in the communication unit of consolidated network after fissioning
100, after node control module 111 finds main service node failure, by main service node information deletion, while in the network
Communication system enters system initialization startup stage, executes the operation of system initialization startup stage；If system merges, newly
Also it will appear more than one ISP's unit in network, then enter the Conflict solving stage.
In system crash resolution stage, communication unit 100 carries out nodal information exchange between each other, is receiving other clothes
When the nodal information of business supplier's unit, according to service start times, default priority, current sub network number of nodes factor, calculate
The priority of the node out is compared with the priority of this node, without any processing if this node priority is high, still
It is non-service provider list by this cell translation if the priority of this node is low as ISP's unit of system
Member, this unit include that node switchs to generic services node, stop business service module 115 and log-on data merges, data merge
It is synchronous to carry out data from ISP's unit for after treatment, the log-on data library module 113 in a manner of slave.
It is managed by the node control module 111, the 130/ data collection terminal 140 of function client passes through server-side
External service IP carry out the acquisition of the accesses of data, algorithm service, all do not needed for client/data collection terminal 140
It is concerned about that ISP is which platform server 110 in cluster, the network branches after communication network divides, after fission
In again can generate new ISP's unit, client/data collection terminal 140 still can continue access algorithm service, and
The data copy for continuing to use bifurcated carries out other business operations, and business is influenced to be preferably minimized by network.
In the specific implementation process, as shown in Fig. 2, the node control module 111 includes node state monitoring modular
1111, network data receiving processing module 1110 and main service node enquiry module, in which:
The node state monitoring modular 1111 includes a node state monitor timer, one fixed time interval of every mistake
It detects whether primary main service node information fails, if main service node does not fail, only sends this node information announcement message,
Without other operation, if main service node fail, this node is switched to main service node, and send notice this node be
The notice message of main service node；
The main service node enquiry module is to send main service node inquiry request, and starter node status monitoring
Timer does not receive main service node in one fixed time interval and replys, then next fixed time interval continues to send main service node
Inquiry request, continuous three fixed time intervals do not receive main service node and reply, then this node are switched to main service node；
The network data receiving processing module 1110 is used to carry out the reception and processing of internet message, when receiving net
After network message, first determine whether sender of the message is main service node:
For the notice message that main service node is sent, if this node is also main service node, enter arbitration process,
Determine that final main service node judges the main service in notice message if this node is non-main service node according to priority
Whether Node field value is identical as the main service node of storage, if it is different, the main service node updated storage is the master in message
Service node field value, it is identical, it does not operate；
For the message that non-master service node is sent, if this node is main service node, main service section in message is judged
Whether point field value is this node, is to ignore, is not, sends main service node inquiry request；If this node is non-main clothes
Business node, judges whether the main service node information in notice message is this node, is, this node is switched to main service and is saved
Point.
As shown in figure 4, the process flow of node control module 111 includes:
S1, the node control module 111 self-starting after the booting of server 110；
S2, the node control module 111 start network data receiving processing module 1110 and node state monitoring modular
1111, then restart main service node enquiry module；
S3,1111 starter node status monitoring timer of node state monitoring modular, if the machine is main service node,
One fixed time interval of every mistake is to other node periodicity sending nodal information notice messages, if the machine is non-master service node,
One fixed time interval of every mistake checks whether the notice message of main service node is overtime, such as time-out, then this node is switched to main clothes
Business node, and the nodal information notice message for noticing that this node is main service node is sent, common save is sent if having not timed out
Point information announcement message；
S4, network data receiving processing module 1110, which is in, monitors wait state, if received out of multicast network other
The nodal information notice message of node then enters treatment process S6；
S5, main service node enquiry module send main service node inquiry request, start single time-out monitor timer, single
After secondary time-out monitor timer expires, check locally whether there is main service node information, if it is not, continuing to send main service
This node is set and is switched as main service node after time-out three times by node query requests；
S6 judges whether the notice message that network data receiving processing module 1110 receives is that main service node is sent, such as
Fruit is to enter step S7；If it is not, into S8；
S7 judges whether localized nodes are main service node, and conflict is entered if localized nodes are also main service node
Process flow S9, if localized nodes are not main service nodes, into S10；
S8 judges whether localized nodes are main service node, if localized nodes are not main service nodes, into S11, such as
Fruit localized nodes are main service nodes, then judge whether the main service node field in notice message is this node, is not locate
Reason is not then to enter S5;
S9 calculates the priority of information node and this node, is relatively arbitrated by priority ratio, the high continuation of priority
As service host node, priority it is low be switched to non-serving host node；
S10 judges whether main service node is identical as locally stored main service node information, does not locate if the same
Main service node information update is main service node if different by reason；
S11 judges whether the main service node field in notice message is identical as locally stored main service node information,
If the same it does not handle, continues to judge whether the main service node field in notice message is this node if different, such as
Fruit is that this node is then switched to main service node by this node, and it is logical for the nodal information of main service node to send this node of notice
Message is accused, is not to ignore.
As shown in figure 5, three modules that node control module 111 is included are had one's own work to do, but carried out to server zone
When management, three modules can be called mutually, form unified entirety.
Arbitration for node conflict, mainly by calculating the priority of two nodes, the node for selecting priority high
Continue as main service node, as shown in fig. 6, process flow includes:
SS1, network data receiving processing module 1110 receive the nodal information notice message of other nodes out of multicast network,
The message is the transmission of main service node, and this node is also main service node；
SS2 is logical according to the main serving node services duration in notice message, node default level, current network node number
Cross parameter factors calculate outbound message sending node dynamic priority, by the service start times of this node, node default level,
Current network node number calculates this section point dynamic priority by identical parameter factors, wherein main serving node services duration
It is started counting after stable operation, node default level is in the static configuration when system deployment is planned, by adding for communication unit 100
Gu attribute, geographical location, tactics status etc. determine, current network node number passes through the logical of active service node by main service node
Accuse message statistics；
SS3, it is if comparing message sending node and this node priority of the dynamic priority of this node height, this node is excellent
First grade is high, continues to keep servicing and sending the nodal information notice message for noticing that this node is main service node, if this node
Priority it is low, then this node is converted into non-service provider unit, sends this node information announcement message, main clothes therein
Business Node field is the priority node being compared, and stops business service module 115 and log-on data merges, data merge
After treatment, the log-on data library module 113 in a manner of slave start to synchronize from ISP's unit progress data, later
Restart business service module 115.
For the active-standby switch of communication unit 100 each in realization system, utility model people is also being arranged in each server 110
Multi computer cooperation module 112, the Multi computer cooperation module 112 to realize more than two servers 110 active and standby control and
Switching, and by the setting to the main service node of ISP's unit of the external service IP address of server zone, make
For a kind of feasible embodiment, Multi computer cooperation module 112 can be realized by using duplex softwares such as heatbeat, in master
In the case where 110 exception of server, Multi computer cooperation module 112 can switch standby service node as main service node, and by cluster
The IP address externally serviced is loaded on new main service node, and issues switching notice, node control to node control module 111
113 operating mode of database module of the machine is switched to master by molding block 111, and starts business service module 115, is realized
Second grade business is taken over, since inside communication unit 100, the integrality of data can carry out maximized disaster tolerance and save from damage.
The battlefield surroundings of many vehicle-mounted command system applications may be relatively remote, and setting up cable network can be influenced by landform etc.
More inconvenient, the utility model is not limited in cable network, as an alternative embodiment, the IP network 200
It is set as radio station ad hoc network or satellite network, each communication unit 100 is connected to radio station ad hoc network or satellite network
In terminal, the communication between communication unit 100 is carried out by radio station ad hoc network or satellite network, relies on radio station ad hoc network or satellite
The disaster recovery backup of vehicle-mounted command communications system data and service described in network implementations.
All nodes all back up in realtime to data, ensure that the redundancy of data to the greatest extent, but when fighting, such as
Fruit communication unit 100 is more, and when a certain data change, all communication nodes are backed up simultaneously, will lead to communication unit
IP network 200 between member 100 generates very big congestion, to influence the real-time of communication.In order to solve this problem, practical new
Type people is made that improvement, and the vehicle-mounted command communications system distinguishes critical data and non-critical data, only to crucial number
According to carrying out all node real-time synchronizations, and non-critical data carries out the master-slave back-up inside communication unit 100 first, then right again
The idle that other communication units 100 do low priority is synchronous, both can guarantee the real-time synchronization of critical data in this way, and had also avoided system
Network congestion when busy, meanwhile, non-critical data idle, which synchronizes, also ensures the update of node data to a certain extent, it is ensured that
The validity of service.
It is synchronous that non-critical data is subjected to idle, solves network congestion when backup to a certain extent, but communication unit
Master-slave back-up inside member 100 still can occupy many Internet resources, influence network communication, ask further to solve this
Topic, utility model people continue to be made that improvement, as an alternative embodiment, the server 110 has double netcard, clothes
One of network interface card of business device 110 is connected directly to the building directly-connected network of another server 110 in communication unit 100 for unit
Internal communication, another network interface card access IP network 200, are used for unit correspondence with foreign country, so that a large amount of data backup operation
It has all been assigned to directly-connected network, has greatly alleviated the load of IP network 200, it is more stable to facilitate the vehicle-mounted command communications system
Operation.
Network load is alleviated to a certain extent by backing up to non-critical data progress idle, but entire communication system
Only one ISP's unit, all services will be provided by ISP's unit, only Network Abnormal when
Just carry out service switching when host node is invalid, service big for some data access amounts in this way, such as battle state display
Battlefield surroundings basic data, it is higher to network capacity requirement, when multiple units are simultaneously in use, still will cause gathering around for network
Plug generates Network Abnormal, and further, system distinguishes business service, adjusts the business service module 115 and disposes
Mode, access big for single reference data volume frequently, data unconverted infrastructure service for a long time, by being provided inside unit, this
Sample avoids ceaselessly being transmitted in a network with identical data, can further releasing network space, guarantee enough nets
Network capacity also can guarantee inside unit to a certain extent so that the real-time that the idle between communication unit 100 backs up is higher
The real-time of service provided.
Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations
It will fall within scope and spirit disclosed in the present application.More specifically, it discloses in the application, drawings and claims
In range, can building block to theme combination layout and/or layout carry out a variety of variations and modifications.In addition to building block
And/or outside the modification and improvement of layout progress, to those skilled in the art, other purposes also be will be apparent.
Claims (9)
1. a kind of vehicle-mounted command communications system of complete disaster tolerance, including more than one communication unit (100), the communication unit
First (100) are physically integrated command car or command post, are connected between communication unit (100) by IP network (200), each
Communication unit (100) includes more than two servers (110), any number according to collection terminal (140) and function client
(130), data of the data collection terminal (140) to acquire battleficld command needs, the function client (130) are used
To provide the system function of operational commanding needs, the data collection terminal (140), function client (130) and server
(110) it is connected by Ethernet and carries out function and data interaction, which is characterized in that the service of all communication units (100)
The server zone of device (110) the composition vehicle-mounted command communications system, each server (110) is used as a node, described
System is ISP's unit by selecting a communication unit (100), by a section in ISP's unit
Point, which is arranged, to be provided data to data collection terminal (140) and function client (130) for main service node and calculates service, Mei Gejie
Database module (113), business service module (115) and node control module (111), the database module are disposed on point
(113) to provide data access function, the business service module (115) is to data collection terminal (140) and function
Client (130) provides all kinds of business services, and the node control module (111) is to manage independently the server zone
In each server (110) operating mode, provide including following functions:
In system deployment planning, the node control module (111) is that each communication unit (100) distribute unique identification,
Each server (110) respectively in communication unit (100) distributes IP address, is each server (110) configuration node grade
Not, default principal and subordinate's attribute configures external service IP address for server zone；
In system initialization startup stage, the node control module (111) sends this in certain multicast address periodically
Nodal information, while the information of other nodes is received, current ISP in judgement system, if without ISP,
ISP's unit is set by this unit, and notices other communication units (100), if there is multiple ISPs, into
Enter the Conflict solving stage, if there is an ISP, server zone enters the system stable operation stage；
In the system stable operation stage, a server (110) of ISP's unit be designated based on service section
Point, other servers (110) in ISP's unit are set as active service node, the main service node
On in a manner of master log-on data library module (113), on the active service node in a manner of slave log-on data library mould
Block (113) after database module (113) starts successfully, starts business service module (115), in non-service provider unit
Server (110) is generic services node, in a manner of slave after log-on data library module (113), starts business service module
(115)；
When system occurs fission or merges, if system is fissioned, with ISP's unit in consolidated network after fission
Communication unit (100) will continue to stable operation, and with ISP's unit not in the communication unit of consolidated network after fissioning
(100), after node control module (111) finds the failure of main service node, by main service node information deletion, while the network
In communication system enter system initialization startup stage, execute the operation of system initialization startup stage；If system is closed
And also will appear more than one ISP's unit in new network, then enter the Conflict solving stage；
In system crash resolution stage, communication unit (100) carries out nodal information exchange between each other, is receiving other services
When the nodal information of supplier's unit, according to service start times, default priority, current sub network number of nodes factor, calculate
The priority of the node is compared with the priority of this node, without any processing if this node priority is high, is still made
It is non-service provider unit by this cell translation if the priority of this node is low for ISP's unit of system,
This unit includes that node switchs to generic services node, stops business service module (115) and log-on data merges, at data merging
After reason, it is synchronous to carry out data from ISP's unit for log-on data library module (113) in a manner of slave.
2. the vehicle-mounted command communications system of complete disaster tolerance according to claim 1, it is characterised in that: the node control mould
Block (111) includes node state monitoring modular (1111), network data receiving processing module (1110) and the inquiry of main service node
Module (1112), in which:
The node state monitoring modular (1111) includes a node state monitor timer, the one fixed time interval inspection of every mistake
It surveys whether primary main service node information fails, if main service node does not fail, only sends this node information announcement message, no
Other operations are carried out, if main service node fails, this node is switched to main service node, and sends and notices based on this node
The notice message of service node；
The main service node enquiry module (1112) is to send main service node inquiry request, and starter node state is supervised
Timer is surveyed, main service node is not received in a fixed time interval and replys, then next fixed time interval continues to send main service section
Point inquiry request, continuous three fixed time intervals do not receive main service node and reply, then this node are switched to main service node；
The network data receiving processing module (1110) is used to carry out the reception and processing of internet message, when receiving network
After message, first determine whether sender of the message is main service node:
For the notice message that main service node is sent, if this node is also main service node, enter arbitration process, according to
Priority determines that final main service node judges the main service node in notice message if this node is non-main service node
Whether field value is identical as the main service node of storage, if it is different, the main service node updated storage is the main service in message
Node field value, it is identical, it does not operate；
The message sent for non-master service node judges main service node word in message if this node is main service node
Whether segment value is this node, is to ignore, and is not to send main service node inquiry request；If this node is non-main service section
Point judges whether the main service node information in notice message is this node, is, this node is switched to main service node.
3. the vehicle-mounted command communications system of complete disaster tolerance according to claim 1 or 2, it is characterised in that: the communication
Server (110) in unit (100) further includes Multi computer cooperation module (112), and the Multi computer cooperation module (112) is to reality
The active and standby control and switching of existing two or more server (110), and the external service IP address of server zone is arranged to described
ISP's unit main service node on.
4. the vehicle-mounted command communications system of complete disaster tolerance according to claim 3, it is characterised in that: the communication node control
The process flow of molding block (111) includes:
S1, the communication node control module (111) self-starting after server (110) are switched on；
S2, communication node control module (111) starting network data receiving processing module (1110) and node state monitoring
Module (1111) then restarts main service node enquiry module (1112)；
S3, node state monitoring modular (1111) starter node status monitoring timer, if the machine is main service node, often
A fixed time interval is crossed to other node periodicity sending nodal information notice messages, if the machine is non-master service node, often
It crosses a fixed time interval and checks whether the notice message of main service node is overtime, such as time-out, then this node is switched to main service
Node, and the nodal information notice message for noticing that this node is main service node is sent, ordinary node is sent if having not timed out
Information announcement message；
S4, network data receiving processing module (1110), which is in, monitors wait state, if receiving other sections out of multicast network
The nodal information notice message of point then enters treatment process S6；
S5, main service node enquiry module (1112) send main service node inquiry request, start single time-out monitor timer,
After single time-out monitor timer expires, check locally whether there is main service node information, if it is not, continuing to send main clothes
This node is set and is switched as main service node after time-out three times by business node query requests；
S6 judges whether the notice message that network data receiving processing module (1110) receives is main service node transmission, if
It is to enter step S7；If it is not, into S8；
S7 judges whether localized nodes are main service node, enter clash handle if localized nodes are also main service node
Process S9, if localized nodes are not main service nodes, into S10；
S8 judges whether localized nodes are main service node, if localized nodes are not main service nodes, into S11, if this
Machine node is main service node, then judges whether the main service node field in notice message is this node, is not handle, no
It is then to enter S5;
S9 calculates the priority of the node according to service start times, default priority, current sub network number of nodes factor, with
The priority of this node compares, without any processing if this node priority is high, still as the main service section of system
This node is converted to non-master service node if the priority of this node is low by point；
S10 judges whether main service node is identical as locally stored main service node information, does not handle if the same, such as
Main service node information update is then main service node by fruit difference；
S11 judges whether the main service node field in notice message is identical as locally stored main service node information, if
It is identical, it does not handle, continues to judge whether the main service node field in notice message is this node if different, if it is
This node is then switched to main service node by this node, and is sent to notice the nodal information that this node is main service node and notice and be disappeared
Breath, is not to ignore.
5. the vehicle-mounted command communications system of complete disaster tolerance according to claim 4, it is characterised in that: the clash handle stream
Journey includes:
SS1, network data receiving processing module (1110) receive the nodal information notice message of other nodes out of multicast network, should
Message is the transmission of main service node, and this node is also main service node；
SS2 passes through ginseng according to the main serving node services duration in notice message, node default level, current network node number
The number factors calculate the dynamic priority of outbound message sending nodes, by service start times of this node, node default level, current
Number of network node calculates this section point dynamic priority by identical parameter factors, wherein main serving node services duration is from steady
It is started counting after fixed operation, node default level is in the static configuration when system deployment is planned, by the reinforcing of communication unit (100)
Attribute, geographical location, tactics status determine that current network node number is disappeared by main service node by the notice of active service node
Breath statistics；
SS3, if comparing message sending node and this node priority of the dynamic priority of this node height, by this node priority
Height continues to keep servicing and sending the nodal information notice message for noticing that this node is main service node, if this node is excellent
First grade is low, then this node is converted to non-service provider unit, sends this node information announcement message, main service section therein
Point field is the priority node being compared, and stops business service module (115) and log-on data merges, at data merging
After reason, log-on data library module (113) in a manner of slave start to synchronize from ISP's unit progress data, later
Restart business service module (115).
6. the vehicle-mounted command communications system of complete disaster tolerance according to claim 5, it is characterised in that: the vehicle-mounted commander is logical
Letter system distinguishes critical data and non-critical data, carries out all node real-time synchronizations to critical data, and non-key
Data carry out the internal master-slave back-up of communication unit (100) first, then do low priority to other communication units (100) again
Idle is synchronous.
7. the vehicle-mounted command communications system of complete disaster tolerance according to claim 4, it is characterised in that: the server
(110) there is double netcard, one of network interface card of server (110) is connected directly to another server in communication unit (100)
(110) it is used for unit internal communication, another network interface card to access IP network (200), is used for unit correspondence with foreign country.
8. the vehicle-mounted command communications system of complete disaster tolerance according to claim 4 or 5, it is characterised in that: to business service
Distinguish, adjust the business service module (115) deployment way, access big for single reference data volume frequently, data
Long-term unconverted infrastructure service, by being provided inside communication unit (100).
9. the vehicle-mounted command communications system of complete disaster tolerance according to claim 8, it is characterised in that: the IP network
It (200) is radio station ad hoc network or satellite network.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920197123.7U CN209134427U (en) | 2019-02-14 | 2019-02-14 | A kind of vehicle-mounted command communications system of complete disaster tolerance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109560903A (en) * | 2019-02-14 | 2019-04-02 | 湖南智领通信科技有限公司 | A kind of vehicle-mounted command communications system of complete disaster tolerance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560903A (en) * | 2019-02-14 | 2019-04-02 | 湖南智领通信科技有限公司 | A kind of vehicle-mounted command communications system of complete disaster tolerance |
| CN109560903B (en) * | 2019-02-14 | 2024-01-19 | 湖南智领通信科技有限公司 | Vehicle-mounted command communication system for complete disaster recovery |
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