CN113362196B - Low-delay addressing method for pre-dispatching service of power grid monitoring system - Google Patents

Low-delay addressing method for pre-dispatching service of power grid monitoring system Download PDF

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CN113362196B
CN113362196B CN202110598674.6A CN202110598674A CN113362196B CN 113362196 B CN113362196 B CN 113362196B CN 202110598674 A CN202110598674 A CN 202110598674A CN 113362196 B CN113362196 B CN 113362196B
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address information
server
terminal
unit
target
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CN113362196A (en
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侯祖锋
李波
林敏洪
丘冠新
赵瑞锋
曹安瑛
卢建刚
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Guangdong Power Grid Co Ltd
Zhuhai Power Supply Bureau of Guangdong Power Grid Co Ltd
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Guangdong Power Grid Co Ltd
Zhuhai Power Supply Bureau of Guangdong Power Grid Co Ltd
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Abstract

The application relates to a low-delay addressing method for a preposed scheduling service of a power grid monitoring system. The method comprises the following steps: receiving server address information of a server instance and terminal address information corresponding to the server address information, wherein the server address information is sent by the server instance; the terminal address information is sent by a remote terminal unit to the server instance; associating and storing the server address information and the terminal address information; when receiving an inquiry instruction sent by a monitoring unit, acquiring a target server instance and a target remote terminal unit according to the inquiry instruction, the stored terminal address information and server address information associated with the terminal address information; and sending the query instruction to the target remote terminal unit through the target server instance. By adopting the method, the query instruction does not need to be issued to each server instance step by step, the operation is simple, and the time delay is greatly shortened.

Description

Low-delay addressing method for pre-dispatching service of power grid monitoring system
Technical Field
The present application relates to the field of digital power grid technologies, and in particular, to a low-latency addressing method, device, system, computer device, and storage medium for a pre-scheduling service of a power grid monitoring system.
Background
For a front-end system for data acquisition in a digital power grid, the front-end system often includes a plurality of Remote Terminal Units (RTUs), a plurality of server instances, a message middleware, a data acquisition and monitoring control Unit, and a monitoring Unit, where the Remote Terminal Unit is responsible for acquiring data and transmitting the data to the monitoring Unit sequentially through the server instances, the message middleware, and the data acquisition and monitoring control Unit. When the monitoring unit needs to query the information of a specific remote terminal unit downwards, the monitoring unit needs to issue query instructions step by step, however, the query method is cumbersome to operate and consumes query time.
Disclosure of Invention
Therefore, it is necessary to provide a low-delay addressing method, device, system, computer device and storage medium for a pre-scheduling service of a power grid monitoring system, in order to solve the technical problems of complex operation and query time consumption of the query method.
A low-latency addressing method for a pre-dispatching service of a power grid monitoring system, the method comprising:
receiving server address information of a server instance and terminal address information corresponding to the server address information, wherein the server address information is sent by the server instance; the terminal address information is sent by a remote terminal unit to the server instance;
associating and storing the server address information and the terminal address information;
when receiving an inquiry instruction sent by a monitoring unit, acquiring a target server instance and a target remote terminal unit according to the inquiry instruction, the stored terminal address information and server address information associated with the terminal address information;
and sending the query instruction to the target remote terminal unit through the target server instance.
In one embodiment, the query instruction carries address information of a terminal to be queried;
the obtaining a target server instance and a target remote terminal unit according to the query instruction, the stored server address information, and the terminal address information associated with the server address information includes:
according to the address information of the terminal to be inquired carried by the inquiry command, determining target terminal address information matched with the address information of the terminal to be inquired from the stored terminal address information;
and acquiring a server instance corresponding to the server address information associated with the target terminal address information as a target server instance.
In one embodiment, the number of said remote terminal units and said server instances is plural, one said remote terminal unit being connected to two different said server instances, each said server instance being connected to said monitoring unit.
In one embodiment, the remote terminal unit is connected to two different server instances via a primary channel and a backup channel, respectively.
In one embodiment, the target server instance is connected to the remote terminal unit via the active channel or connected to the remote terminal unit via the standby channel.
A low-latency addressing device for a pre-dispatch service of a power grid monitoring system, the device comprising:
the receiving module is used for receiving the server address information of the server instance and the terminal address information corresponding to the server address information, wherein the server address information is sent by the server instance; the terminal address information is sent by a remote terminal unit to the server instance;
the storage module is used for associating and storing the server address information and the terminal address information;
the acquisition module is used for acquiring a target server instance and a target remote terminal unit according to the query instruction, the stored terminal address information and the server address information associated with the terminal address information when receiving the query instruction sent by the monitoring unit;
and the sending module is used for sending the query instruction to the target remote terminal unit through the target server instance.
In one embodiment, the query instruction carries address information of a terminal to be queried; the acquisition module is specifically used for determining target terminal address information matched with the terminal address information to be inquired from the stored terminal address information according to the terminal address information to be inquired carried by the inquiry instruction; and acquiring a remote terminal unit corresponding to the address information of the target terminal as a target remote terminal unit, and acquiring a server instance corresponding to the address information of the server associated with the address information of the target terminal as a target server instance.
A power grid monitoring system, the system comprising: the monitoring system comprises a remote terminal unit, server instances, a monitoring unit and a scheduling unit, wherein the number of the remote terminal unit and the number of the server instances are multiple, one remote terminal unit is connected to two different server instances, each server instance is connected to the monitoring unit, and the monitoring unit is also connected to each server instance through the scheduling unit;
the remote terminal unit is used for acquiring and sending self terminal address information to the server instance;
the server instance is used for receiving the terminal address information sent by the remote terminal unit and sending the terminal address information and the server address information of the server instance to the scheduling unit;
the scheduling unit is used for receiving and storing the server address information sent by the server instance and the terminal address information corresponding to the server address information;
the monitoring unit is used for sending a query instruction to the scheduling unit;
the scheduling unit is further used for responding to the query instruction sent by the monitoring unit and acquiring a target server instance and a target remote terminal unit according to the query instruction, the stored terminal address information and the server address information related to the terminal address information; and sending the query instruction to the target remote terminal unit through the target server instance.
A computer device comprising a memory and a processor, the memory storing a computer program, the processor implementing the following steps when executing the computer program:
receiving server address information of a server instance and terminal address information corresponding to the server address information, wherein the server address information is sent by the server instance; the terminal address information is sent by a remote terminal unit to the server instance;
associating and storing the server address information and the terminal address information;
when receiving an inquiry instruction sent by a monitoring unit, acquiring a target server instance and a target remote terminal unit according to the inquiry instruction, the stored terminal address information and server address information associated with the terminal address information;
and sending the query instruction to the target remote terminal unit through the target server instance.
A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
receiving server address information of a server instance and terminal address information corresponding to the server address information, wherein the server address information is sent by the server instance; the terminal address information is sent by a remote terminal unit to the server instance;
associating and storing the server address information and the terminal address information;
when receiving an inquiry instruction sent by a monitoring unit, acquiring a target server instance and a target remote terminal unit according to the inquiry instruction, the stored terminal address information and server address information associated with the terminal address information;
and sending the query instruction to the target remote terminal unit through the target server instance.
The low-delay addressing method and device for the pre-dispatching service of the power grid monitoring system, the computer equipment and the storage medium receive the server address information of the server instance and the terminal address information corresponding to the server address information, which are sent by the server instance, through the dispatching unit, and associate and store the server address information and the terminal address information; when receiving an inquiry instruction sent by a monitoring unit, acquiring a target server instance and a target remote terminal unit according to the inquiry instruction, the stored terminal address information and server address information associated with the terminal address information; and sends the query to the target remote terminal unit via the target server instance. According to the method, the server address information and the terminal address information corresponding to the server address information are prestored by the scheduling unit, so that when the monitoring unit needs to query information of a specific remote terminal unit downwards, the monitoring unit only needs to issue a query instruction carrying the terminal address information to be queried to the scheduling unit, the query instruction does not need to be issued to each server instance step by step, the operation is simple, and the time delay is greatly shortened.
Drawings
FIG. 1 is a schematic diagram of a controller for implementing a low latency addressing method for grid monitoring system pre-dispatch services in one embodiment;
FIG. 2 is a diagram of an application scenario of a low latency addressing method for a pre-dispatch service of a grid monitoring system in an embodiment;
fig. 3 is a schematic flowchart of a low-latency addressing method for a pre-scheduling service of a power grid monitoring system in an embodiment;
FIG. 4 is a flowchart illustrating the steps in the determination of a target remote terminal unit and a target server instance in one embodiment;
fig. 5 is a block diagram of a low-latency addressing device of a pre-dispatching service of a power grid monitoring system in one embodiment;
FIG. 6 is a schematic diagram of a grid monitoring system in one embodiment;
FIG. 7 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1, a schematic diagram of a controller 100 for implementing a low-latency addressing method for a grid monitoring system pre-dispatching service according to an embodiment of the present disclosure is provided.
In the example of fig. 1, the controller 100 is provided with a processor 110 and a memory 120, wherein the processor 110 and the memory 120 may be connected by a bus or other means, and fig. 1 takes the example of connection by a bus as an example.
The memory 120, which is a non-transitory computer readable storage medium, may be used to store non-transitory software programs as well as non-transitory computer executable programs. Further, the memory 120 may include high speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, memory 120 optionally includes memory located remotely from processor 110, which may be connected to the controller via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
It will be appreciated by those skilled in the art that the controller 100 shown in fig. 1 is not limiting of embodiments of the invention and may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.
In the controller shown in fig. 1, the processor 110 may invoke the information query program stored in the memory 120, so as to execute the low-latency addressing method of the grid monitoring system pre-dispatching service.
The low-delay addressing method for the pre-dispatching service of the power grid monitoring system can be applied to the application environment shown in fig. 2. The remote terminal unit 202 is communicatively connected to the server instance 204, and the scheduling unit 206 is communicatively connected to the server instance 204 and the monitoring unit 208, respectively.
In an embodiment, as shown in fig. 3, a low-latency addressing method for a pre-dispatching service of a power grid monitoring system is provided, which is described by taking the method as an example for being applied to the dispatching unit 206 in fig. 2, and includes the following steps:
step S302, receiving server address information of a server instance and terminal address information corresponding to the server address information, wherein the server address information is sent by the server instance; terminal address information is sent by the remote terminal unit to the server instance.
The terminal address information carries the terminal identifier of the remote terminal unit corresponding to the terminal address information.
The terminal identifier is an identifier representing uniqueness of the remote terminal unit, and may be ID information of the remote terminal unit.
In a specific implementation, after acquiring the terminal address information of the remote terminal unit 202, the remote terminal unit sends the terminal address information of the remote terminal unit to the server instance 204, and after receiving the terminal address information sent by the remote terminal unit 204, the server instance 204 acquires the server address information of the remote terminal unit and correspondingly sends the terminal address information and the server address information of the remote terminal unit to the scheduling unit 206, so that the scheduling unit 206 receives the server address information of the server instance 204 sent by the server instance 204 and the terminal address information corresponding to the server address information.
And step S304, associating and storing the server address information and the terminal address information.
In a specific implementation, after receiving the server address information of the server instance 204 itself and the terminal address information corresponding to the server address information sent by the server instance 204, the scheduling unit 206 may associate and store the server address information and the terminal address information.
Step S306, when receiving the inquiry command sent by the monitoring unit, acquiring a target server instance and a target remote terminal unit according to the inquiry command, the stored terminal address information and the server address information associated with the terminal address information.
The server address information carries a server identifier of the server instance corresponding to the server address information.
The server identifier is an identifier representing uniqueness of the server instance, and may be ID information of the server instance.
In a specific implementation, when the monitoring unit 208 needs to query a specific remote terminal unit, it may send a query instruction carrying address information of a terminal to be queried to the scheduling unit 206, and after receiving the query instruction, the scheduling unit 206 responds to the query instruction and obtains a target server instance and a target remote terminal unit according to the query instruction, pre-stored terminal address information, and server address information associated with the terminal address information.
Step S308, the query instruction is sent to the target remote terminal unit through the target server instance.
In a specific implementation, after determining the target server instance and the target remote terminal unit, the scheduling unit 206 may send the received query instruction to the target remote terminal unit through the target server instance, so as to send the query instruction of the monitoring unit to the queried target remote terminal unit.
In the low-delay addressing method for the prepositive scheduling service of the power grid monitoring system, the server address information of the server instance and the terminal address information corresponding to the server address information, which are sent by the server instance, are received by a scheduling unit, and the server address information and the terminal address information are associated and stored; when receiving an inquiry instruction sent by a monitoring unit, acquiring a target server instance and a target remote terminal unit according to the inquiry instruction, the stored terminal address information and server address information associated with the terminal address information; and sends the query to the target remote terminal unit via the target server instance. According to the method, the server address information and the terminal address information corresponding to the server address information are prestored by the scheduling unit, so that when the monitoring unit needs to query the information of a specific remote terminal unit downwards, the monitoring unit only needs to issue the query instruction carrying the terminal address information to be queried to the scheduling unit, the query instruction does not need to be issued to each server instance step by step, the operation is simple, and the time delay is greatly shortened.
In an embodiment, as shown in fig. 4, the step S306 specifically includes:
step S402, according to the address information of the terminal to be inquired carried by the inquiry instruction, determining the address information of the target terminal matched with the address information of the terminal to be inquired from the stored terminal address information;
step S404, a remote terminal unit corresponding to the address information of the target terminal is obtained to be used as the target remote terminal unit, and a server instance corresponding to the server address information related to the address information of the target terminal is obtained to be used as the target server instance.
In a specific implementation, after receiving the query instruction sent by the monitoring unit 208, the scheduling unit 206, in response to the query instruction, first determines, according to the address information of the terminal to be queried carried by the query instruction, the address information of the target terminal matched with the address information of the terminal to be queried and the address information of the target server associated with the address information of the target terminal from the pre-stored address information of the terminal. Since the terminal address information carries the terminal identification of the remote terminal unit, the server address information carries the server identification of the server instance. Thus, after determining the destination terminal address information and the destination server address information, the destination remote terminal unit may be determined based on the terminal identification carried by the destination terminal address information and the destination server instance may be determined based on the server identification carried by the destination server address information
In this embodiment, according to the address information of the terminal to be queried carried by the query instruction, the address information of the target terminal matched with the address information of the terminal to be queried is determined from the stored address information of the terminal, and then the remote terminal unit corresponding to the address information of the target terminal is obtained as the target remote terminal unit, and the server instance corresponding to the address information of the target server is obtained as the target server instance, so that the query instruction is further sent to the target remote terminal unit through the target server instance, and the query instruction of the monitoring unit is sent to the target remote terminal unit queried by the monitoring unit.
In one embodiment, the number of remote terminal units and said server instances is plural, one said remote terminal unit being connected to two different said server instances, each said server instance being connected to said monitoring unit.
In this embodiment, by connecting one remote terminal unit to two different server instances, it is possible to query the information of the remote terminal unit through one server instance when the other server instance fails.
In one embodiment, the remote terminal unit is connected to two different said server instances via a primary channel and a backup channel, respectively.
In this embodiment, the remote terminal unit is connected to the two different server instances through the active channel and the standby channel, so that on one hand, the server instance connected through the active channel is convenient to backup the acquired information of the remote terminal unit to the other server instance through the standby channel, thereby preventing data loss, and on the other hand, when one of the server instances is abnormal, the remote terminal unit is convenient to query the information of the remote terminal unit through the other server instance.
In one embodiment, the target server instance is connected to the remote terminal unit via the primary channel or is connected to the remote terminal unit via the backup channel.
In a specific implementation, when the main channel is normal, the target server instance is connected to the remote terminal unit through the main channel; when the primary channel fails, the target server instance may be connected to the remote terminal unit via the backup channel.
In this embodiment, the connection between the server instance and the remote terminal unit is established by setting the primary channel and the standby channel, so that the validity of the connection between the server instance and the remote terminal unit is ensured.
It should be understood that although the various steps in the flow charts of fig. 3-4 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 3-4 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed in turn or alternately with other steps or at least some of the other steps.
In one embodiment, as shown in fig. 5, there is provided a low-latency addressing apparatus for a pre-dispatching service of a power grid monitoring system, including: a receiving module 502, a storing module 504, an obtaining module 506, and a sending module 508, wherein:
a receiving module 502, configured to receive server address information of a server instance itself and the terminal address information corresponding to the server address information, where the server address information is sent by the server instance; the terminal address information is sent by a remote terminal unit to the server instance;
a storage module 504, configured to associate and store the server address information and the terminal address information;
an obtaining module 506, configured to, when receiving a query instruction sent by a monitoring unit, obtain a target server instance and a target remote terminal unit according to the query instruction, stored terminal address information, and server address information associated with the terminal address information;
a sending module 508, configured to send the query instruction to the target remote terminal unit through the target server instance.
In one embodiment, the query instruction carries address information of the terminal to be queried; the obtaining module 506 is specifically configured to determine, according to the address information of the terminal to be queried carried by the query instruction, target terminal address information matched with the address information of the terminal to be queried from the stored terminal address information; and acquiring a remote terminal unit corresponding to the address information of the target terminal as a target remote terminal unit, and acquiring a server instance corresponding to the address information of the server associated with the address information of the target terminal as a target server instance.
In one embodiment, the number of remote terminal units and said server instances is plural, one said remote terminal unit being connected to two different said server instances, each said server instance being connected to said monitoring unit.
In one embodiment, the remote terminal unit is connected to two different said server instances via a primary channel and a backup channel, respectively.
In one embodiment, the target server instance is connected to the remote terminal unit through the active channel or connected to the remote terminal unit through the standby channel.
It should be noted that, the low-delay addressing device for the pre-dispatching service of the power grid monitoring system of the present application corresponds to the low-delay addressing method for the pre-dispatching service of the power grid monitoring system of the present application one to one, and the technical features and the beneficial effects described in the embodiments of the low-delay addressing method for the pre-dispatching service of the power grid monitoring system are all applicable to the embodiments of the low-delay addressing device for the pre-dispatching service of the power grid monitoring system, and specific contents may refer to descriptions in the embodiments of the method of the present application, which are not described herein again, and thus, the present application states that the low-delay addressing device for the pre-dispatching service of the power grid monitoring system is a one to one.
In addition, all modules in the low-delay addressing device of the pre-dispatching service of the power grid monitoring system can be completely or partially realized through software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, as shown in fig. 6, there is provided a power grid monitoring system, including: the monitoring system comprises a remote terminal unit, server instances, a monitoring unit and a scheduling unit, wherein the number of the remote terminal unit and the number of the server instances are multiple, one remote terminal unit is connected to two different server instances, each server instance is connected to the monitoring unit, and the monitoring unit is also connected to each server instance through the scheduling unit;
in one embodiment, the system further comprises: the system comprises a message middleware And a Data Acquisition And monitoring Control unit (SCADA), wherein the message middleware can be a kafka unit, and each server instance is connected to the monitoring unit sequentially through the kafka unit And the SCADA unit;
the remote terminal unit is used for acquiring and sending self terminal address information to the server instance;
the server instance is used for receiving the terminal address information sent by the remote terminal unit and sending the terminal address information and the server address information of the server instance to the scheduling unit;
the scheduling unit is used for receiving and storing the server address information sent by the server instance and the terminal address information corresponding to the server address information;
the monitoring unit is used for sending a query instruction to the scheduling unit;
the scheduling unit is further used for responding to the query instruction sent by the monitoring unit and acquiring a target server instance and a target remote terminal unit according to the query instruction, the stored terminal address information and the server address information related to the terminal address information; and sending the query instruction to the target remote terminal unit through the target server instance.
In one embodiment, the scheduling unit is further configured to determine, according to the address information of the terminal to be queried carried by the query instruction, target terminal address information matched with the address information of the terminal to be queried from the stored terminal address information; and acquiring a remote terminal unit corresponding to the address information of the target terminal as a target remote terminal unit, and acquiring a server instance corresponding to the address information of the server associated with the address information of the target terminal as a target server instance.
In one embodiment, the number of remote terminal units and said server instances is plural, one said remote terminal unit being connected to two different said server instances, each said server instance being connected to said monitoring unit.
In one embodiment, the remote terminal unit is connected to two different said server instances via a primary channel and a backup channel, respectively.
In one embodiment, the target server instance is connected to the remote terminal unit via the primary channel or is connected to the remote terminal unit via the backup channel.
In the power grid monitoring system provided by the application, a remote terminal unit acquires terminal address information of the remote terminal unit and sends the terminal address information to a server example; then the server instance obtains the terminal address information from the remote terminal unit and sends the terminal address information and the server address information to the scheduling unit; then the scheduling unit acquires and stores the server address information and the terminal address information corresponding to the server address information; when the monitoring unit needs to inquire the target remote terminal unit, the monitoring unit sends an inquiry instruction with the address information of the terminal to be inquired to the scheduling unit; and then the scheduling unit obtains a target server instance and a target remote terminal unit corresponding to the address information of the terminal to be inquired according to the address information of the terminal to be inquired, the stored server address information and the terminal address information corresponding to the server address information, and sends the inquiry instruction to the target remote terminal unit through the target server instance. According to the technical scheme of the embodiment, because the power grid monitoring system of the embodiment comprises the scheduling unit, and the scheduling unit stores the server address information and the terminal address information corresponding to the server address information in advance, when the monitoring unit needs to query the information of a specific remote terminal unit downwards, the monitoring unit only needs to send a query instruction with the terminal address information to be queried to the scheduling unit, and does not need to send the query instruction to each server instance step by step, so that the operation is simple, and the time delay is greatly shortened.
In one embodiment, a computer device is provided, which may be a server, the internal structure of which may be as shown in fig. 7. The computer device includes a processor, a memory, and a network interface connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The database of the computer device is used for storing data in the information inquiry process. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a low-latency addressing method for a pre-dispatching service of a power grid monitoring system.
It will be appreciated by those skilled in the art that the configuration shown in fig. 7 is a block diagram of only a portion of the configuration associated with the present application, and is not intended to limit the computing device to which the present application may be applied, and that a particular computing device may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having a computer program stored therein, the processor implementing the following steps when executing the computer program:
receiving server address information of a server instance and terminal address information corresponding to the server address information, wherein the server address information is sent by the server instance; the terminal address information is sent by a remote terminal unit to the server instance;
associating and storing the server address information and the terminal address information;
when receiving an inquiry instruction sent by a monitoring unit, acquiring a target server instance and a target remote terminal unit according to the inquiry instruction, the stored terminal address information and server address information associated with the terminal address information;
and sending the query instruction to the target remote terminal unit through the target server instance. In an embodiment, a computer device is further provided, which includes a memory and a processor, the memory stores a computer program, and the processor implements the steps of the above method embodiments when executing the computer program.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
receiving server address information of a server instance and terminal address information corresponding to the server address information, wherein the server address information is sent by the server instance; the terminal address information is sent by a remote terminal unit to the server instance;
associating and storing the server address information and the terminal address information;
when receiving an inquiry instruction sent by a monitoring unit, acquiring a target server instance and a target remote terminal unit according to the inquiry instruction, the stored terminal address information and server address information associated with the terminal address information;
and sending the query instruction to the target remote terminal unit through the target server instance. In an embodiment, a computer-readable storage medium is provided, on which a computer program is stored which, when being executed by a processor, carries out the steps of the above-mentioned method embodiments.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A low-latency addressing method for a pre-dispatching service of a power grid monitoring system is characterized by comprising the following steps:
receiving server address information of a server instance and terminal address information corresponding to the server address information, wherein the server address information is sent by the server instance; the terminal address information is sent by a remote terminal unit to the server instance;
associating and storing the server address information and the terminal address information;
when an inquiry instruction sent by a monitoring unit is received, according to the address information of a terminal to be inquired carried by the inquiry instruction, determining the address information of a target terminal matched with the address information of the terminal to be inquired from the stored terminal address information;
acquiring a remote terminal unit corresponding to the target terminal address information as a target remote terminal unit, and acquiring a server instance corresponding to server address information associated with the target terminal address information as a target server instance;
and sending the query instruction to the target remote terminal unit through the target server instance.
2. The method of claim 1, wherein the number of said remote terminal units and said server instances are each plural, one said remote terminal unit being connected to two different said server instances, each said server instance being connected to said monitoring unit.
3. The method of claim 2, wherein the remote terminal unit is connected to two different instances of the server via a primary channel and a backup channel, respectively.
4. The method of claim 3, wherein the target server instance is connected to the remote terminal unit via the active channel or connected to the remote terminal unit via the backup channel.
5. A low-delay addressing device for a pre-dispatching service of a power grid monitoring system is characterized by comprising:
the receiving module is used for receiving the server address information of the server instance and the terminal address information corresponding to the server address information, wherein the server address information is sent by the server instance; the terminal address information is sent by a remote terminal unit to the server instance;
the storage module is used for associating and storing the server address information and the terminal address information;
the acquisition module is used for determining target terminal address information matched with the address information of the terminal to be inquired from the stored terminal address information according to the address information of the terminal to be inquired carried by the inquiry instruction when the inquiry instruction sent by the monitoring unit is received; acquiring a remote terminal unit corresponding to the target terminal address information as a target remote terminal unit, and acquiring a server instance corresponding to server address information associated with the target terminal address information as a target server instance;
and the sending module is used for sending the query instruction to the target remote terminal unit through the target server instance.
6. A power grid monitoring system, the system comprising: the monitoring system comprises a remote terminal unit, server instances, a monitoring unit and a scheduling unit, wherein the number of the remote terminal unit and the number of the server instances are multiple, one remote terminal unit is connected to two different server instances, each server instance is connected to the monitoring unit, and the monitoring unit is also connected to each server instance through the scheduling unit;
the remote terminal unit is used for acquiring and sending self terminal address information to the server instance;
the server instance is used for receiving the terminal address information sent by the remote terminal unit and sending the terminal address information and the server address information of the server instance to the scheduling unit;
the scheduling unit is used for receiving and storing the server address information sent by the server instance and the terminal address information corresponding to the server address information;
the monitoring unit is used for sending a query instruction to the scheduling unit;
the scheduling unit is further used for responding to the query instruction sent by the monitoring unit and acquiring a target server instance and a target remote terminal unit according to the query instruction, the stored terminal address information and the server address information related to the terminal address information; sending the query instruction to the target remote terminal unit through the target server instance;
the scheduling unit is further configured to determine, according to the address information of the terminal to be queried carried by the query instruction, target terminal address information matched with the address information of the terminal to be queried from the stored terminal address information; and acquiring a server instance corresponding to the server address information associated with the target terminal address information as a target server instance.
7. The system of claim 6, wherein the remote terminal unit is connected to two different instances of the server via a primary channel and a backup channel, respectively.
8. The system of claim 7, wherein the target server instance is connected to the remote terminal unit via the active channel or connected to the remote terminal unit via the backup channel.
9. A computer device comprising a memory and a processor, the memory storing a computer program, wherein the processor when executing the computer program performs the steps of the method according to any of claims 1 to 4.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 4.
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CN202110598674.6A CN113362196B (en) 2021-05-31 2021-05-31 Low-delay addressing method for pre-dispatching service of power grid monitoring system
DE112021007460.1T DE112021007460T5 (en) 2021-05-31 2021-06-29 LOW LATENCY ADDRESSING METHOD FOR A PRE-PLANNING SERVICE OF A POWER GRID MONITORING SYSTEM
PCT/CN2021/103152 WO2022252320A1 (en) 2021-05-31 2021-06-29 Low-latency addressing method for pre-scheduling service of power grid monitoring system

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