CN112491464A - Distributed fault real-time monitoring and standby equipment switching method for satellite communication - Google Patents
Distributed fault real-time monitoring and standby equipment switching method for satellite communication Download PDFInfo
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- CN112491464A CN112491464A CN202011387592.9A CN202011387592A CN112491464A CN 112491464 A CN112491464 A CN 112491464A CN 202011387592 A CN202011387592 A CN 202011387592A CN 112491464 A CN112491464 A CN 112491464A
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- 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
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18519—Operations control, administration or maintenance
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- 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
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18515—Transmission equipment in satellites or space-based relays
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to the field of satellite communication, and discloses a distributed fault real-time monitoring and standby equipment switching method for satellite communication, which solves the problem that a satellite communication network is interrupted due to the fault of node equipment in a large-scale satellite communication system, and adopts the technical scheme that the method comprises the following steps: s1, the satellite communication system sets a special management and control server to operate a management and control service system. And S2, the management and control service system receives the fault alarm frame in the satellite network in real time through a narrow-band control channel. And S3, the management and control service system automatically completes the state announcement of the whole network equipment and the whole network service system. And S4, the management and control service system accesses the network parameters of the network according to the generated standby equipment. And S5, the management and control service system automatically responds and sends a control frame switched to the standby equipment to complete fault elimination according to the fault frame obtained actively and passively. The invention can realize the real-time monitoring of the equipment state of the central station and the gateway station, and the fault monitoring and switching are automatically completed by the management and control service system, thereby greatly improving the operation reliability of the central station, the gateway station equipment and the service system, and effectively solving the problem of low efficiency of manual monitoring and switching.
Description
Technical Field
The invention relates to the field of satellite communication, in particular to automatic monitoring control of multiple devices and service systems in a ground station based on satellite communication.
Background
China belongs to a country with multiple natural disasters, the territory area of China is large, and the occurrence uncertainty of the disasters is high, related units and personnel have high randomness in time and space when taking part in emergency rescue and disaster relief actions, satellite communication is not limited by regions and ground network operator base stations, communication quality is not affected by serious natural disasters such as earthquakes, and the emergency communication mode becomes important.
When a major disaster is faced, in order to meet the high-frequency and random communication requirements, the communication reliability of a command center (central station) becomes a short board for major disaster rescue command.
At present, most networks based on satellite communication on the market need daily operation and maintenance inspection of maintenance personnel of a central station, real-time monitoring cannot be achieved, sudden equipment faults or abnormal conditions of a service system cannot be dealt with, and the whole communication network cannot be guaranteed to be in a normal working state at all times to deal with sudden centralized communication command requirements.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a method for distributed fault real-time monitoring and standby equipment switching of satellite communication, which solves the defects in the prior art.
The technical scheme is as follows: according to the method for distributed real-time fault monitoring and standby equipment switching of satellite communication, a management and control service system actively discovers in-station equipment or service systems, supervises the working states of the in-station equipment or service systems in real time, automatically pushes configuration information of all current equipment and service systems, and automatically completes state notification of the equipment and service systems and active-standby switching of fault equipment or service systems by the management and control service system according to the supervision condition of the management and control service system.
Further, actively discovering the in-site device or service includes network-based service probing, including the steps of:
s11: the management and control service system sends a detection message frame in a broadcast or multicast mode through a UDP protocol;
s12: after the equipment or the service system senses the detection message frame, the equipment or the service system directionally sends a response message frame to the detection broadcast initiation source management and control service system;
s13: and the source control service system receives and analyzes the response message frame to complete the active discovery action of the equipment or the service system.
Further, the real-time supervision of the working state of the in-station equipment or the service system comprises network-based detection response processing, and the network-based detection response processing comprises the following steps:
s21: the management and control service system receives a response message frame of the equipment or the service system;
s22: the management and control service system acquires the configuration parameters cached by the equipment of the detection response or the service system in the management and control service system;
s23: judging according to the fault state identification acquisition condition: if the fault state identifier is not acquired, the equipment or the service system accesses the management and control network of the management and control service system for the first time, and configuration parameters (hereinafter referred to as the existing fault state identifier) analyzed by the response message are cached to the management and control service system; if the fault state identification is obtained, comparing and judging the fault state identification with the existing fault state identification: if the fault state identifier is the same as the existing fault state identifier, keeping the fault state identifier unchanged; if the fault state identification is different from the existing fault state identification, a parameter setting command is issued by taking the fault state identification as a standard, and the configuration parameters of the equipment or the service system are corrected.
Further, the status notification of the autocomplete device and service system comprises a network-based status notification, which comprises the following steps:
s31: the management and control service system acquires fault state identification set fault state identifications List of all equipment or service systems cached in the system;
s32: the management and control service system acquires the maximum tolerance time limit of the detection non-response configured in the system;
s33: traversing the fault state identifier List, calculating the difference value (hereinafter referred to as time difference) between the last updating time of the fault state identifier and the current time one by one, and judging the time difference and the maximum tolerance time limit of the detection no response: if the time difference is smaller than the detection non-response maximum tolerance time limit, the fault state identification state is kept normal; if the time difference is larger than the detection non-response maximum tolerance time limit, changing the fault state identification state into a fault;
s34: the management and control service system sends the state notification message in a full-scale mode of broadcasting or multicasting through the network.
Further, automatically completing the main and standby of the fault equipment and the service system comprises setting parameters based on the network, wherein the setting of the parameters based on the network comprises the following steps:
s41: the management and control service system acquires all fault state identifier sets (fault state identifiers List) cached in the system and positioned in the main state equipment or the service system;
s42: the management and control service system acquires the maximum tolerance time limit of the detection non-response configured in the system;
s43: traversing the fault state identifier List, calculating the difference value between the last updating time and the current time of the fault state identifier one by one, and judging the time difference and the maximum tolerance time limit of the detection no response: if the time difference is less than the detection non-response maximum tolerance time limit, skipping to change the record; if the time difference is larger than the maximum tolerance time limit of no response in detection, selecting equipment or service systems of the same type in the management and control service system, and standby equipment or service systems with normal states, configuring a fault state identifier of the original fault equipment or service system to the standby equipment or service system through a parameter setting command, and then changing the fault state identifier in the cache of the management and control service system (the primary state of the original fault is changed into the standby state, and the standby state of the original normal state is changed into the primary state).
Has the advantages that: the invention discloses a method for monitoring equipment failure and switching standby equipment of a satellite communication system. The invention can realize the real-time monitoring of the equipment state of the central station and the gateway station, and the fault monitoring and switching are automatically completed by the management and control service system, thereby greatly improving the operation reliability of the central station, the gateway station equipment and the service system, and effectively solving the problem of low efficiency of manual monitoring and switching.
Drawings
FIG. 1 is a flowchart of a method for detecting a failure and switching a backup device in a satellite communication system according to an embodiment of the present invention
FIG. 2 is a schematic diagram of a management and control system according to an embodiment of the present invention;
FIG. 3 illustrates service probing protocol parameters in accordance with an embodiment of the present invention;
FIG. 4 illustrates service probe response protocol parameters in accordance with an embodiment of the present invention;
FIG. 5 illustrates a status advertisement protocol parameter according to an embodiment of the present invention;
fig. 6 is a flowchart of the work flow based on the management and control system in the embodiment of the present invention.
Detailed Description
The management and control system according to the present embodiment is shown in fig. 1, and includes 1 management and control service system, a plurality of devices, and a plurality of different types of service systems.
Development environment
The system software uses spring-boot architecture logic in Java, and the background uses a framework comprising:
spring-boot-startup-web (background hierarchy);
mybatis (database operation layer);
alibaba fastjson (serialization and deserialization);
hikari (data source);
maridb (database).
(II) deployment mode
The management and control service system belongs to background system software, is deployed on an application server of a satellite central station and is accessed to a control switch C-switch board.
Other types of service systems, deployed on application servers at satellite hubs or gateways, access the C-switch board.
The satellite central station or gateway station follows the equipment of the control protocol, and the control port is accessed to the C-switch board.
The system software deployment is shown in fig. 1.
(III) operating Environment
1) Hardware environment
An application server:
the system is provided with 2 8-core CPUs (central processing units), a main frequency of more than 2.5GHz, a memory configuration of 32G and a hard disk of 500G.
A database server:
the system is provided with 2 8-core CPUs (central processing units), a main frequency of more than 2.5GHz, 32G memory configuration and 2 SATA/SAS 10K 1T disks.
2) Software environment
An application server:
operating the system: CentOS Linux 8;
web container: nginx 1.19.0;
java Environment: OpenJDK 14.0.1
A database server:
operating the system: CentOS Linux 8;
database software: maridb-10.4.12;
(IV) System implementation method
The system adopts a B/S architecture, is developed strictly according to Java EE standard, and is developed by using a spring-boot-2.3.0.Release lightweight frame based on OpenJDK 14.0.1.
As shown in fig. 1, a management and control service system actively discovers in-station equipment or service systems, supervises working states of the in-station equipment or service systems in real time, automatically pushes configuration information of all current equipment and service systems, and automatically completes state notification of the equipment and service systems and master-slave switching of faulty equipment or service systems by the management and control service system according to supervision conditions of the management and control service system.
Fig. 2 is a schematic diagram of network connection, where the active discovery of the in-station device or service by the management and control service system includes a network-based service detection, where the network-based service detection includes the following steps:
s11: the management and control service system sends the probe message frame in a broadcast or multicast mode through a UDP protocol, such as fig. 3, fig. 4, and fig. 5;
s12: after the equipment or the service system senses the detection message frame, the equipment or the service system directionally sends a response message frame to the detection broadcast initiation source management and control service system;
s13: and the source control service system receives and analyzes the response message frame to complete the active discovery action of the equipment or the service system.
The real-time supervision of the working state of the in-station equipment or the service system comprises network-based detection response processing, and the network-based detection response processing comprises the following steps:
s21: the management and control service system receives a response message frame of the equipment or the service system;
s22: the management and control service system acquires the configuration parameters cached by the equipment of the detection response or the service system in the management and control service system;
s23: judging according to the fault state identification acquisition condition: if the fault state identifier is not acquired, the equipment or the service system accesses the management and control network of the management and control service system for the first time, and configuration parameters (hereinafter referred to as the existing fault state identifier) analyzed by the response message are cached to the management and control service system; if the fault state identification is obtained, comparing and judging the fault state identification with the existing fault state identification: if the fault state identifier is the same as the existing fault state identifier, keeping the fault state identifier unchanged; if the fault state identification is different from the existing fault state identification, a parameter setting command is issued by taking the fault state identification as a standard, and the configuration parameters of the equipment or the service system are corrected.
The status notifications for the autocomplete devices and services system include a network-based status notification, comprising the steps of:
s31: the management and control service system acquires fault state identification set fault state identifications List of all equipment or service systems cached in the system;
s32: the management and control service system acquires a detection non-response maximum tolerance time limit (hereinafter referred to as a detection non-response maximum tolerance time limit) configured in the system;
s32: traversing the fault state identifier List, calculating the difference value (hereinafter referred to as time difference) between the last updating time of the fault state identifier and the current time one by one, and judging the time difference and the maximum tolerance time limit of the detection no response: if the time difference is smaller than the detection non-response maximum tolerance time limit, the fault state identification state is kept normal; if the time difference is larger than the detection non-response maximum tolerance time limit, changing the fault state identification state into a fault;
s33: the management and control service system sends the state notification message in a full-scale mode of broadcasting or multicasting through the network.
The automatic completion of the primary and standby of the failure device and service system includes the network-based parameter setting, as shown in fig. 6, which includes the following steps:
s41: the management and control service system acquires all fault state identifier sets (fault state identifiers List) cached in the system and positioned in the main state equipment or the service system;
s42: the management and control service system acquires the maximum tolerance time limit of the detection non-response configured in the system;
s42: traversing the fault state identifier List, calculating the difference value (hereinafter referred to as time difference) between the last updating time of the fault state identifier and the current time one by one, and judging the time difference and the maximum tolerance time limit of the detection no response: if the time difference is less than the detection non-response maximum tolerance time limit, skipping to change the record; if the time difference is larger than the maximum tolerance time limit of no response in detection, selecting equipment or service systems of the same type in the management and control service system, and standby equipment or service systems with normal states, configuring a fault state identifier of the original fault equipment or service system to the standby equipment or service system through a parameter setting command, and then changing the fault state identifier in the cache of the management and control service system (the primary state of the original fault is changed into the standby state, and the standby state of the original normal state is changed into the primary state).
Claims (5)
1. A distributed fault real-time monitoring and standby equipment switching method for satellite communication is characterized in that: the management and control service system actively discovers the in-station equipment or service system, supervises the working state of the in-station equipment or service system in real time, automatically pushes the configuration information of all the current equipment and service system, and automatically completes the state notification of the equipment and service system and the switching between the main equipment and the standby equipment of the fault equipment or service system according to the supervision condition of the management and control service system;
the method comprises the following steps:
s1, a satellite communication system sets a special management and control server to operate a management and control service system;
s2, the management and control service system receives the failure alarm frame in the satellite network in real time through the narrow-band control channel;
s3, the management and control service system automatically completes the state announcement of the whole network equipment and the whole network service system;
s4, the management and control service system accesses the network parameters of the network according to the generated standby equipment;
and S5, the management and control service system automatically responds and sends a control frame switched to the standby equipment to complete fault elimination according to the fault frame obtained actively and passively.
2. The method for real-time distributed fault monitoring and standby equipment switching in satellite communication according to claim 1, wherein: actively discovering on-site devices or services includes network-based service probing, which includes the steps of:
s11: the management and control service system sends a detection message frame in a broadcast or multicast mode through a UDP protocol;
s12: after the equipment or the service system senses the detection message frame, the equipment or the service system directionally sends a response message frame to the detection broadcast initiation source management and control service system;
s13: and the source control service system receives and analyzes the response message frame to complete the active discovery action of the equipment or the service system.
3. The method for real-time distributed fault monitoring and standby equipment switching in satellite communication according to claim 1, wherein: the real-time supervision of the working state of the in-station equipment or the service system comprises network-based detection response processing, and the network-based detection response processing comprises the following steps:
s21: the management and control service system receives a response message frame of the in-network equipment or the in-network service system;
s22: the management and control service system acquires a fault state identifier in the detection response frame;
s23: judging according to the fault state identification acquisition condition: if the fault state identification is not acquired, the equipment or the service system accesses a management and control network of the management and control service system for the first time, and caches the existing fault state identification in the database server to the management and control service system; if the fault state identification is obtained, comparing and judging the fault state identification with the existing fault state identification: if the fault state identifier is the same as the existing fault state identifier, keeping the fault state identifier unchanged; and if the fault state identification is different from the existing fault state identification, taking the fault state identification as a standard.
4. The method for real-time distributed fault monitoring and standby equipment switching in satellite communication according to claim 1, wherein: the status notifications for the autocomplete devices and services system include a network-based status notification, comprising the steps of:
s31: the management and control service system acquires fault state identification set fault state identifications List of all equipment or service systems cached in the system;
s32: the management and control service system acquires the maximum tolerance time limit of the detection non-response configured in the system;
s33: traversing the fault state identifier List, calculating the difference value (hereinafter referred to as time difference) between the last updating time of the fault state identifier and the current time one by one, and judging the time difference and the maximum tolerance time limit of the detection no response: if the time difference is smaller than the detection non-response maximum tolerance time limit, the fault state identification state is kept normal; if the time difference is larger than the detection non-response maximum tolerance time limit, changing the fault state identification state into a fault;
s34: the management and control service system sends the state notification message in a full-scale mode of broadcasting or multicasting through the network.
5. The method for real-time distributed fault monitoring and standby equipment switching in satellite communication according to claim 1, wherein: automatically completing the switching of the main equipment and the standby equipment of the fault equipment and the service system, and simultaneously setting parameters based on the network for the new access equipment, wherein the setting of the parameters based on the network comprises the following steps:
s41: the management and control service system acquires all fault state identifier sets (fault state identifiers List) cached in the system and positioned in the main state equipment or the service system;
s42: the management and control service system acquires the maximum tolerance time limit of the detection non-response configured in the system;
s43: traversing the fault state identifier List, calculating the difference value between the last updating time and the current time of the fault state identifier one by one, and judging the time difference and the maximum tolerance time limit of the detection no response: if the time difference is less than the detection non-response maximum tolerance time limit, skipping to change the record; if the time difference is larger than the maximum tolerance time limit of no response in detection, selecting equipment or service systems of the same type in the management and control service system, and standby equipment or service systems with normal states, configuring a fault state identifier of the original fault equipment or service system to the standby equipment or service system through a parameter setting command, and then changing the fault state identifier in the cache of the management and control service system (the primary state of the original fault is changed into the standby state, and the standby state of the original normal state is changed into the primary state).
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