WO2022252320A1 - 电网监控系统前置调度服务的低时延寻址方法 - Google Patents

电网监控系统前置调度服务的低时延寻址方法 Download PDF

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WO2022252320A1
WO2022252320A1 PCT/CN2021/103152 CN2021103152W WO2022252320A1 WO 2022252320 A1 WO2022252320 A1 WO 2022252320A1 CN 2021103152 W CN2021103152 W CN 2021103152W WO 2022252320 A1 WO2022252320 A1 WO 2022252320A1
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address information
server
unit
terminal
target
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PCT/CN2021/103152
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English (en)
French (fr)
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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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广东电网有限责任公司珠海供电局
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Priority to DE112021007460.1T priority Critical patent/DE112021007460T5/de
Publication of WO2022252320A1 publication Critical patent/WO2022252320A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Electricity, gas or water supply
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/146—Markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding

Definitions

  • the present application relates to the technical field of digital grid, and in particular to a low-latency addressing method, device, system, computer equipment and storage medium for pre-dispatch service of a grid monitoring system.
  • the front-end system used for data acquisition in the digital grid it often includes multiple remote terminal units (Remote Terminal Unit, RTU), multiple server instances, message middleware, data acquisition and monitoring control units, and monitoring units, Among them, the remote terminal unit is responsible for collecting data and transmitting the data to the monitoring unit sequentially through the server instance, the message middleware and the data collection and monitoring control unit.
  • RTU Remote Terminal Unit
  • the monitoring unit needs to query the information of a specific remote terminal unit, the monitoring unit needs to issue query instructions step by step.
  • this query method is cumbersome and time-consuming.
  • a low-latency addressing method for a pre-dispatch service of a power grid monitoring system comprising:
  • the terminal address information is sent to the server instance by a remote terminal unit;
  • the stored terminal address information and the server address information associated with the terminal address information obtain the target server instance and the target remote terminal unit;
  • the query instruction carries address information of the terminal to be queried
  • the acquiring 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:
  • the address information of the terminal to be queried carried by the query instruction from the stored terminal address information, determine the address information of the target terminal that matches the address information of the terminal to be queried;
  • one remote terminal unit is connected to two different server instances, each of the server instances is connected to the monitoring unit.
  • the remote terminal unit is connected to two different server instances through a main channel and a backup channel respectively.
  • the target server instance is connected to the remote terminal unit through the active channel, or is connected to the remote terminal unit through the backup channel.
  • a low-latency addressing device for a pre-dispatch service of a power grid monitoring system comprising:
  • a receiving module configured to receive the server address information of the server instance itself and the terminal address information corresponding to the server address information sent by the server instance; the terminal address information is sent to the server instance by a remote terminal unit;
  • a storage module configured to associate and store the server address information and the terminal address information
  • An acquisition module configured to acquire a target server instance and a target remote terminal unit according to the query command, the stored terminal address information, and the server address information associated with the terminal address information when receiving the query command sent by the monitoring unit ;
  • a sending module configured to send the query instruction to the target remote terminal unit through the target server instance.
  • the query instruction carries the address information of the terminal to be queried; the obtaining module is specifically configured to determine from the stored terminal address information according to the address information of the terminal to be queried carried by the query instruction.
  • the address information of the target terminal matching the address information of the terminal to be queried; acquiring the remote terminal unit corresponding to the address information of the target terminal as the target remote terminal unit, and acquiring the address information corresponding to the server address information associated with the address information of the target terminal
  • the server instance of as the target server instance.
  • a power grid monitoring system the system includes: a remote terminal unit, a server instance, a monitoring unit, and a scheduling unit, the number of the remote terminal unit and the server instance are multiple, and one remote terminal unit is connected to two different server instances, each of the server instances is connected to the monitoring unit, and the monitoring unit is also connected to each of the server instances through the scheduling unit;
  • the remote terminal unit is configured to obtain and send its own terminal address information to the server instance;
  • the server instance is configured to receive the terminal address information sent by the remote terminal unit, and send the terminal address information and its own server address information to the scheduling unit;
  • the scheduling unit is configured to receive and store the server address information sent by the server instance and the terminal address information corresponding to the server address information;
  • the monitoring unit is configured to send a query instruction to the dispatching unit
  • the scheduling unit is further configured to respond to the query instruction sent by the monitoring unit, and obtain the target server instance and the target remote server instance according to the query instruction, the stored terminal address information, and the server address information associated with the terminal address information A terminal unit; 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 stores a computer program, and the processor implements the following steps when executing the computer program:
  • the terminal address information is sent to the server instance by a remote terminal unit;
  • the stored terminal address information and the server address information associated with the terminal address information obtain the target server instance and the target remote terminal unit;
  • a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented:
  • the terminal address information is sent to the server instance by a remote terminal unit;
  • the stored terminal address information and the server address information associated with the terminal address information obtain the target server instance and the target remote terminal unit;
  • the above-mentioned low-latency addressing method, device, power grid monitoring system, computer equipment and storage medium for the pre-dispatching service of the power grid monitoring system receive the server address information of the server instance itself and the address information corresponding to the server address information sent by the server instance through the dispatching unit. terminal address information, and associate and store the server address information and terminal address information; when receiving the query instruction sent by the monitoring unit, according to the query instruction, the stored terminal address information and the server address information associated with the terminal address information, Obtain the target server instance and the target remote terminal unit; and send the query instruction to the target remote terminal unit through the target server instance.
  • the scheduling unit pre-stores the server address information and the terminal address information corresponding to the server address information.
  • the monitoring unit when the monitoring unit needs to query the information of a specific remote terminal unit, the monitoring unit only needs to carry the address information of the terminal to be queried.
  • the query commands can be sent to the scheduling unit instead of sending query commands to each server instance step by step. The operation is simple and the delay is greatly shortened.
  • FIG. 1 is a schematic diagram of a controller for implementing a low-latency addressing method for pre-dispatching services of a power grid monitoring system in an embodiment
  • FIG. 2 is an application scenario diagram of a low-latency addressing method for a pre-dispatch service of a power grid monitoring system in an embodiment
  • FIG. 3 is a schematic flowchart of a low-latency addressing method for a pre-dispatch service of a power grid monitoring system in an embodiment
  • Fig. 4 is a schematic flow chart of the steps of determining the target remote terminal unit and the target server instance in one embodiment
  • FIG. 5 is a structural block diagram of a low-latency addressing device for a pre-dispatch service of a power grid monitoring system in an embodiment
  • Fig. 6 is a schematic diagram of a power grid monitoring system in an embodiment
  • Figure 7 is an internal block diagram of a computer device in one embodiment.
  • FIG. 1 it is a schematic diagram of a controller 100 for implementing a low-latency addressing method for pre-dispatching services of a power grid monitoring system provided by an embodiment of the present application.
  • the controller 100 is provided with a processor 110 and a memory 120 , wherein the processor 110 and the memory 120 may be connected via a bus or in other ways.
  • connection via a bus is taken as an example.
  • the memory 120 can be used to store non-transitory software programs and non-transitory computer-executable programs.
  • the memory 120 may include a high-speed random access memory, and may also include a non-transitory memory, such as at least one magnetic disk storage device, a flash memory device, or other non-transitory solid-state storage devices.
  • the memory 120 may optionally include memory located remotely relative to the processor 110, and these remote memories may be connected to the controller through a network. Examples of the aforementioned networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • controller 100 shown in FIG. 1 does not constitute a limitation to the embodiment of the present invention, and may include more or less components than those shown in the illustration, or combine certain components, or have different Part placement.
  • the processor 110 can call the information query program stored in the memory 120 , so as to execute the low-latency addressing method of the pre-dispatch service of the power grid monitoring system.
  • the low-latency addressing method for the pre-dispatch service of the power grid monitoring system can be applied to the application environment shown in FIG. 2 .
  • the remote terminal unit 202 is connected in communication with the server instance 204
  • the scheduling unit 206 is connected in communication with the server instance 204 and the monitoring unit 208 respectively.
  • a low-latency addressing method for pre-dispatching services of a power grid monitoring system is provided.
  • the method is applied to the dispatching unit 206 in FIG. 2 as an example for illustration, including the following step:
  • Step S302 receiving server address information of the server instance itself and terminal address information corresponding to the server address information sent by the server instance; the terminal address information is sent to the server instance by the remote terminal unit.
  • the terminal address information carries the terminal identifier of its corresponding remote terminal unit.
  • the terminal identifier is an identifier representing the uniqueness of the remote terminal unit, which may be ID information of the remote terminal unit.
  • the remote terminal unit 202 sends its own terminal address information to the server instance 204 after obtaining its own terminal address information, and the server instance 204 obtains its own server instance 204 after receiving the terminal address information sent by the remote terminal unit 204.
  • Address information and correspondingly send the terminal address information and its own server address information to the dispatching unit 206, so that the dispatching unit 206 receives the server address information of the server instance 204 itself sent by the server instance 204 and the terminal corresponding to the server address information Address information.
  • Step S304 correlating and storing the server address information and the terminal address information.
  • the scheduling unit 206 may associate the server address information with the terminal address information and store them.
  • Step S306 when receiving the query instruction sent by the monitoring unit, according to the query instruction, the stored terminal address information and the server address information associated with the terminal address information, obtain the target server instance and the target remote terminal unit.
  • the server address information carries the server identifier of the corresponding server instance.
  • the server identifier is an identifier representing the uniqueness of the server instance, which may be ID information of the server instance.
  • the monitoring unit 208 when it needs to inquire about a specified remote terminal unit, it can send an inquiry command carrying the address information of the terminal to be inquired to the dispatching unit 206. After receiving the inquiry order, the dispatching unit 206 responds to the The query instruction, according to the query instruction, the pre-stored terminal address information and the server address information associated with the terminal address information, acquires the target server instance and the target remote terminal unit.
  • Step S308 sending the query instruction to the target remote terminal unit through the target server instance.
  • the dispatching unit 206 can send the received query command to the target remote terminal unit through the target server instance, thereby realizing sending the query command of the monitoring unit to its target remote terminal unit.
  • the target remote terminal unit for the query.
  • the dispatching unit receives the server address information of the server instance itself and the terminal address information corresponding to the server address information sent by the server instance, and combines the server address information with the terminal address information.
  • the address information is associated and stored; when the query instruction sent by the monitoring unit is received, the target server instance and the target remote terminal unit are obtained according to the query instruction, the stored terminal address information, and the server address information associated with the terminal address information; and The query command is sent to the target remote terminal unit through the target server instance.
  • the scheduling unit pre-stores the server address information and the terminal address information corresponding to the server address information.
  • the monitoring unit when the monitoring unit needs to query the information of a specific remote terminal unit, the monitoring unit only needs to carry the address information of the terminal to be queried.
  • the query commands can be sent to the scheduling unit instead of sending query commands to each server instance step by step. The operation is simple and the delay is greatly shortened.
  • step S306 specifically includes:
  • Step S402 according to the address information of the terminal to be queried carried by the query command, from the stored terminal address information, determine the address information of the target terminal that matches the address information of the terminal to be queried;
  • Step S404 acquiring the remote terminal unit corresponding to the target terminal address information as the target remote terminal unit, and acquiring the server instance corresponding to the server address information associated with the target terminal address information as the target server instance.
  • the scheduling unit 206 responds to the query instruction, and first determines the address information of the terminal to be queried according to the address information of the terminal to be queried carried by the query instruction and from the pre-stored terminal address information.
  • the target terminal address information matched with the terminal address information, and the target server address information associated with the target terminal address information. Since the terminal address information carries the terminal identifier of the remote terminal unit, the server address information carries the server identifier of the server instance. Therefore, after determining the target terminal address information and the target server address information, the target remote terminal unit can be determined according to the terminal identifier carried in the target terminal address information, and the target server instance can be determined according to the server identifier carried in the target server address information
  • the target remote terminal unit determines the address information of the target terminal that matches the address information of the terminal to be queried, and then obtain the remote terminal corresponding to the address information of the target terminal Unit, as the target remote terminal unit, obtains the server instance corresponding to the target server address information as the target server instance, so as to further send the query instruction to the target remote terminal unit through the target server instance, so as to realize the query instruction of the monitoring unit.
  • the target remote terminal unit it is querying.
  • one remote terminal unit is connected to two different server instances, and each server instance is connected to the monitoring unit.
  • the remote terminal unit is connected to two different server instances through the main channel and the backup channel respectively.
  • the server instance connected through the main channel to obtain the information of the remote terminal unit , back up to another server instance through a backup channel to prevent data loss.
  • the target server instance is connected to the remote terminal unit through the primary channel, or is connected to the remote terminal unit through the backup channel.
  • the target server instance when the main channel is normal, the target server instance is connected to the remote terminal unit through the main channel; when the main channel fails, the target server instance can be connected to the remote terminal unit through the backup channel.
  • connection between the server instance and the remote terminal unit is established by setting the main channel and the backup channel, thereby ensuring the validity of the connection between the server instance and the remote terminal unit.
  • a low-latency addressing device for pre-dispatch service of a power grid monitoring system including: a receiving module 502, a storage module 504, an obtaining module 506, and a sending module 508, wherein :
  • the receiving module 502 is configured to receive the server address information of the server instance itself and the terminal address information corresponding to the server address information sent by the server instance; the terminal address information is sent to the server instance by a remote terminal unit ;
  • the acquiring module 506 is configured to acquire the target server instance and the target remote terminal according to the query command, the stored terminal address information, and the server address information associated with the terminal address information when receiving the query command sent by the monitoring unit unit;
  • a sending module 508, configured to send the query instruction to the target remote terminal unit through the target server instance.
  • the query instruction carries the address information of the terminal to be queried;
  • the acquisition module 506 is specifically configured to determine from the stored address information of the terminal to be queried based on the address information of the terminal to be queried carried by the query instruction. Query the target terminal address information matching the terminal address information; acquire the remote terminal unit corresponding to the target terminal address information as the target remote terminal unit, and acquire the server instance corresponding to the server address information associated with the target terminal address information , as the target server instance.
  • one remote terminal unit is connected to two different server instances, and each server instance is connected to the monitoring unit.
  • the remote terminal unit is connected to two different server instances through the main channel and the backup channel respectively.
  • 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.
  • the low-latency addressing device of the pre-dispatch service of the power grid monitoring system of this application corresponds to the low-latency addressing method of the pre-dispatch service of the power grid monitoring system of this application.
  • the technical features and beneficial effects described in the embodiment of the low-latency addressing method for dispatching service are applicable to the embodiment of the low-latency addressing device for pre-dispatch service in the power grid monitoring system.
  • please refer to the method of this application The narration in the embodiment is not repeated here, and is hereby declared.
  • each module in the low-latency addressing device of the pre-dispatching service of the power grid monitoring system can be fully or partially realized by software, hardware and a combination thereof.
  • the above-mentioned modules can be embedded in or independent of the processor in the computer device in the form of hardware, and can also be stored in the memory of the computer device in the form of software, so that the processor can invoke and execute the corresponding operations of the above-mentioned modules.
  • a power grid monitoring system including: a remote terminal unit, a server instance, a monitoring unit, and a dispatching unit, and the number of the remote terminal unit and the server instance is multiple One, one remote terminal unit is connected to two different server instances, each of the server instances is connected to the monitoring unit, and the monitoring unit is also connected to each of the server instances through the scheduling unit;
  • the system further includes: a message middleware and a data acquisition and monitoring control unit (Supervisory Control And Data Acquisition, SCADA), wherein the message middleware can be a kafka unit, and each server instance passes through the kafka unit in turn , the SCADA unit is connected to the monitoring unit;
  • SCADA Supervisory Control And Data Acquisition
  • the remote terminal unit is configured to obtain and send its own terminal address information to the server instance;
  • the server instance is configured to receive the terminal address information sent by the remote terminal unit, and send the terminal address information and its own server address information to the scheduling unit;
  • the scheduling unit is configured to receive and store the server address information sent by the server instance and the terminal address information corresponding to the server address information;
  • the monitoring unit is configured to send a query instruction to the dispatching unit
  • the scheduling unit is further configured to respond to the query instruction sent by the monitoring unit, and obtain the target server instance and the target remote server instance according to the query instruction, the stored terminal address information, and the server address information associated with the terminal address information A terminal unit; sending the query instruction to the target remote terminal unit through the target server instance.
  • the scheduling unit is further configured to determine, from the stored terminal address information according to the address information of the terminal to be queried carried by the query instruction, the address information of the target terminal that matches the address information of the terminal to be queried Obtaining the remote terminal unit corresponding to the target terminal address information as the target remote terminal unit, and acquiring the server instance corresponding to the server address information associated with the target terminal address information as the target server instance.
  • both the remote terminal unit and the server instance are multiple, one remote terminal unit is connected to two different server instances, and each of the server instances is connected to the monitoring unit.
  • the remote terminal unit is connected to two different server instances through the main channel and the backup channel respectively.
  • the target server instance is connected to the remote terminal unit through the primary channel, or is connected to the remote terminal unit through the backup channel.
  • the remote terminal unit obtains its own terminal address information and sends it to the server instance; then the server instance obtains the terminal address information from the remote terminal unit, and sends the terminal address information and its own server address information to to the dispatching unit; then the dispatching unit acquires and stores server address information and terminal address information corresponding to the server address information; when the monitoring unit needs to inquire about the target remote terminal unit, the monitoring unit sends an inquiry instruction with the terminal address information to be inquired to dispatching unit; then the dispatching unit obtains the target server instance and the target remote terminal unit corresponding to the terminal address information to be queried according to the terminal address information to be queried, the stored server address information and the terminal address information corresponding to the server address information, and The query command is sent to the target remote terminal unit through the target server instance.
  • the power grid monitoring system of this embodiment includes a dispatching unit, and the dispatching unit will pre-store server address information and terminal address information corresponding to the server address information, therefore, when the monitoring unit needs to go down
  • the monitoring unit only needs to send the query command with the address information of the terminal to be queried to the dispatching unit, instead of sending the query command to each server instance step by step.
  • the operation is simple and the time is greatly shortened. delay.
  • a computer device is provided.
  • the computer device may be a server, and its internal structure may be as shown in FIG. 7 .
  • the computer device includes a processor, memory and a network interface connected by a system bus. Wherein, the processor of the computer device is used to provide calculation and control capabilities.
  • the memory of the computer device includes a non-volatile storage medium and an internal memory.
  • the non-volatile storage medium stores an operating system, computer programs and databases.
  • the internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage medium.
  • the database of the computer equipment is used to store data in the process of information inquiry.
  • the network interface of the computer device is used to communicate with an external terminal via a network connection.
  • FIG. 7 is only a block diagram of a part of the structure related to the solution of this application, and does not constitute a limitation to the computer equipment on which the solution of this application is applied.
  • the specific computer equipment can be More or fewer components than shown in the figures may be included, or some components may be combined, or have a different arrangement of components.
  • a computer device including a memory and a processor, a computer program is stored in the memory, and the processor implements the following steps when executing the computer program:
  • the terminal address information is sent to the server instance by a remote terminal unit;
  • the stored terminal address information and the server address information associated with the terminal address information obtain the target server instance and the target remote terminal unit;
  • a computer device including a memory and a processor, where a computer program is stored in the memory, and the processor implements the steps in the above method embodiments when executing the computer program.
  • a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented:
  • the terminal address information is sent to the server instance by a remote terminal unit;
  • the stored terminal address information and the server address information associated with the terminal address information obtain the target server instance and the target remote terminal unit;
  • a computer-readable storage medium is provided, on which a computer program is stored, and when the computer program is executed by a processor, the steps in the foregoing method embodiments are implemented.
  • Non-volatile memory may include read-only memory (Read-Only Memory, ROM), magnetic tape, floppy disk, flash memory or optical memory, etc.
  • Volatile memory can include Random Access Memory (RAM) or external cache memory.
  • RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM).

Abstract

本申请涉及一种电网监控系统前置调度服务的低时延寻址方法。所述方法包括：接收服务器实例发送的所述服务器实例自身的服务器地址信息以及与所述服务器地址信息对应的终端地址信息；所述终端地址信息由远程终端单元发送给所述服务器实例；将所述服务器地址信息和所述终端地址信息进行关联并存储；当接收到监视单元发送的查询指令时，根据所述查询指令、所存储的终端地址信息和与所述终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元；将所述查询指令通过所述目标服务器实例发送至所述目标远程终端单元。采用本方法可以无需逐级下发查询指令至各个服务器实例，操作简单，且极大地缩短了时延。

Description

电网监控系统前置调度服务的低时延寻址方法 技术领域
本申请涉及数字电网技术领域，特别是涉及一种电网监控系统前置调度服务的低时延寻址方法、装置、系统、计算机设备和存储介质。
背景技术
对于数字电网中的用于进行数据采集的前置系统，往往包括多个远程终端单元(Remote Terminal Unit，RTU)、多个服务器实例、消息中间件、数据采集与监视控制单元，以及监视单元，其中，远程终端单元负责采集数据并将数据依次通过服务器实例、消息中间件和数据采集与监视控制单元传输至监视单元。当监视单元需要往下查询特定的远程终端单元的信息时，监视单元需要逐级下发查询指令，然而这种查询方法操作烦锁且耗费查询时间。
发明内容
基于此，有必要针对上述查询方法存在的操作繁琐且耗费查询时间的技术问题，提供一种电网监控系统前置调度服务的低时延寻址方法、装置、系统、计算机设备和存储介质。
一种电网监控系统前置调度服务的低时延寻址方法，所述方法包括：
接收服务器实例发送的所述服务器实例自身的服务器地址信息以及与所述服务器地址信息对应的所述终端地址信息；所述终端地址信息由远程终端单元发送给所述服务器实例；
将所述服务器地址信息和所述终端地址信息进行关联并存储；
当接收到监视单元发送的查询指令时，根据所述查询指令、所存储的终端地址信息和与所述终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元；
将所述查询指令通过所述目标服务器实例发送至所述目标远程终端单元。
在其中一个实施例中，所述查询指令携带有待查询终端地址信息；
所述根据所述查询指令、所存储的服务器地址信息和与所述服务器地址信息关联的终端地址信息，获取目标服务器实例和目标远程终端单元，包括：
根据所述查询指令携带的待查询终端地址信息，从所存储的终端地址信息，确定出与所述待查询终端地址信息相匹配的目标终端地址信息；
获取所述目标终端地址信息对应的远程终端单元，作为目标远程终端单元，以及获取与所述目标终端地址信息关联的服务器地址信息所对应的服务器实例，作为目标服务器实例。
在其中一个实施例中，所述远程终端单元和所述服务器实例的数量均为多个，一个所述远程终端单元连接至两个不同的所述服务器实例，各个所述服务器实例连接至所述监视单元。
在其中一个实施例中，所述远程终端单元分别通过主用通道和备用通道连接至两个不同的所述服务器实例。
在其中一个实施例中，所述目标服务器实例通过所述主用通道连接至所述远程终端单元，或通过所述备用通道连接至所述远程终端单元。
一种电网监控系统前置调度服务的低时延寻址装置，所述装置包括：
接收模块，用于接收服务器实例发送的所述服务器实例自身的服务器地址信息以及与所述服务器地址信息对应的所述终端地址信息；所述终端地址信息由远程终端单元发送给所述服务器实例；
存储模块，用于将所述服务器地址信息和所述终端地址信息进行关联并存储；
获取模块，用于当接收到监视单元发送的查询指令时，根据所述查询指令、所存储的终端地址信息和与所述终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元；
发送模块，用于将所述查询指令通过所述目标服务器实例发送至所述目标远程终端单元。
在其中一个实施例中，所述查询指令携带有待查询终端地址信息；所述获取模块，具体用于根据所述查询指令携带的待查询终端地址信息，从所存储的 终端地址信息，确定出与所述待查询终端地址信息相匹配的目标终端地址信息；获取所述目标终端地址信息对应的远程终端单元，作为目标远程终端单元，以及获取与所述目标终端地址信息关联的服务器地址信息所对应的服务器实例，作为目标服务器实例。
一种电网监控系统，所述系统包括：远程终端单元、服务器实例、监视单元和调度单元，所述远程终端单元和所述服务器实例的数量均为多个，一个所述远程终端单元连接至两个不同的所述服务器实例，各个所述服务器实例连接至所述监视单元，所述监视单元还通过所述调度单元连接至各个所述服务器实例；
所述远程终端单元，用于获取并发送自身的终端地址信息至所述服务器实例；
所述服务器实例，用于接收所述远程终端单元发送的所述终端地址信息，并将所述终端地址信息和自身的服务器地址信息发送至所述调度单元；
所述调度单元，用于接收并存储所述服务器实例发送的所述服务器地址信息和与所述服务器地址信息对应的所述终端地址信息；
所述监视单元，用于发送查询指令至所述调度单元；
所述调度单元，还用于响应所述监视单元发送的查询指令，根据所述查询指令、所存储的终端地址信息和与所述终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元；将所述查询指令通过所述目标服务器实例发送至所述目标远程终端单元。
一种计算机设备，包括存储器和处理器，所述存储器存储有计算机程序，所述处理器执行所述计算机程序时实现以下步骤：
接收服务器实例发送的所述服务器实例自身的服务器地址信息以及与所述服务器地址信息对应的所述终端地址信息；所述终端地址信息由远程终端单元发送给所述服务器实例；
将所述服务器地址信息和所述终端地址信息进行关联并存储；
当接收到监视单元发送的查询指令时，根据所述查询指令、所存储的终端地址信息和与所述终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元；
将所述查询指令通过所述目标服务器实例发送至所述目标远程终端单元。
一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现以下步骤：
接收服务器实例发送的所述服务器实例自身的服务器地址信息以及与所述服务器地址信息对应的所述终端地址信息；所述终端地址信息由远程终端单元发送给所述服务器实例；
将所述服务器地址信息和所述终端地址信息进行关联并存储；
当接收到监视单元发送的查询指令时，根据所述查询指令、所存储的终端地址信息和与所述终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元；
将所述查询指令通过所述目标服务器实例发送至所述目标远程终端单元。
上述电网监控系统前置调度服务的低时延寻址方法、装置、电网监控系统、计算机设备和存储介质，通过调度单元接收服务器实例发送的服务器实例自身的服务器地址信息以及与服务器地址信息对应的终端地址信息，并将服务器地址信息和终端地址信息进行关联并存储；当接收到监视单元发送的查询指令时，根据查询指令、所存储的终端地址信息和与终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元；并将查询指令通过目标服务器实例发送至目标远程终端单元。该方法通过调度单元预先存储服务器地址信息和与服务器地址信息对应的终端地址信息，因此，当监视单元需要往下查询特定的远程终端单元的信息时，监视单元只需要将携带有待查询终端地址信息的查询指令下发至调度单元即可，而无需逐级下发查询指令至各个服务器实例，操作简单，且极大地缩短了时延。
附图说明
图1为一个实施例中用于执行电网监控系统前置调度服务的低时延寻址方法的控制器的示意图；
图2为一个实施例中电网监控系统前置调度服务的低时延寻址方法的应用场景图；
图3为一个实施例中电网监控系统前置调度服务的低时延寻址方法的流程示意图；
图4为一个实施例中目标远程终端单元和目标服务器实例确定步骤的流程示意图；
图5为一个实施例中电网监控系统前置调度服务的低时延寻址装置的结构框图；
图6为一个实施例中电网监控系统的示意图；
图7为一个实施例中计算机设备的内部结构图。
具体实施方式
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
参考图1，为本申请一个实施例提供的用于执行电网监控系统前置调度服务的低时延寻址方法的控制器100的示意图。
在图1的示例中，该控制器100设置有处理器110和存储器120，其中，处理器110和存储器120可以通过总线或者其他方式连接，图1中以通过总线连接为例。
存储器120作为一种非暂态计算机可读存储介质，可用于存储非暂态软件程序以及非暂态性计算机可执行程序。此外，存储器120可以包括高速随机存取存储器，还可以包括非暂态存储器，例如至少一个磁盘存储器件、闪存器件、或其他非暂态固态存储器件。在一些实施方式中，存储器120可选包括相对于处理器110远程设置的存储器，这些远程存储器可以通过网络连接至该控制器。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其 组合。
本领域技术人员可以理解的是，图1中示出的控制器100并不构成对本发明实施例的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
在图1所示的控制器中，处理器110可以调用储存在存储器120中的信息查询程序，从而执行电网监控系统前置调度服务的低时延寻址方法。
本申请提供的电网监控系统前置调度服务的低时延寻址方法，可以应用于如图2所示的应用环境中。其中，远程终端单元202与服务器实例204通信连接，调度单元206分别与服务器实例204和监视单元208通信连接。
在一个实施例中，如图3所示，提供了一种电网监控系统前置调度服务的低时延寻址方法，以该方法应用于图2中的调度单元206为例进行说明，包括以下步骤：
步骤S302，接收服务器实例发送的服务器实例自身的服务器地址信息以及与服务器地址信息对应的终端地址信息；终端地址信息由远程终端单元发送给服务器实例。
其中，终端地址信息携带有其所对应的远程终端单元的终端标识。
其中，终端标识为表征远程终端单元唯一性的标识，可以为远程终端单元的ID信息。
具体实现中，远程终端单元202在获取自身的终端地址信息后，将自身的终端地址信息发送给服务器实例204，服务器实例204在接收到远程终端单元204发送的终端地址信息后，获取自身的服务器地址信息，并将终端地址信息和自身的服务器地址信息对应发送至调度单元206，由此，调度单元206接收到服务器实例204发送的服务器实例204自身的服务器地址信息以及与服务器地址信息对应的终端地址信息。
步骤S304，将服务器地址信息和终端地址信息进行关联并存储。
具体实现中，调度单元206在接收到服务器实例204发送的服务器实例204自身的服务器地址信息以及与服务器地址信息对应的终端地址信息后，可将服务器地址信息和终端地址信息进行关联后存储。
步骤S306，当接收到监视单元发送的查询指令时，根据查询指令、所存储的终端地址信息和与终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元。
其中，服务器地址信息携带有与其所对应的服务器实例的服务器标识。
其中，服务器标识为表征服务器实例唯一性的标识，可以为服务器实例的ID信息。
具体实现中，当监视单元208需要对某一指定的远程终端单元进行查询时，可发送携带有待查询终端地址信息的查询指令至调度单元206，调度单元206接收到该查询指令后，响应于该查询指令，根据该查询指令、预先存储的终端地址信息和与终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元。
步骤S308，将查询指令通过目标服务器实例发送至目标远程终端单元。
具体实现中，调度单元206在确定出目标服务器实例和目标远程终端单元后，可将所接收的查询指令通过目标服务器实例发送目标远程终端单元，由此实现将监视单元的查询指令发送给其所查询的目标远程终端单元。
上述电网监控系统前置调度服务的低时延寻址方法中，通过调度单元接收服务器实例发送的服务器实例自身的服务器地址信息以及与服务器地址信息对应的终端地址信息，并将服务器地址信息和终端地址信息进行关联并存储；当接收到监视单元发送的查询指令时，根据查询指令、所存储的终端地址信息和与终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元；并将查询指令通过目标服务器实例发送至目标远程终端单元。该方法通过调度单元预先存储服务器地址信息和与服务器地址信息对应的终端地址信息，因此，当监视单元需要往下查询特定的远程终端单元的信息时，监视单元只需要将携带有待查询终端地址信息的查询指令下发至调度单元即可，而无需逐级下发查询指令至各个服务器实例，操作简单，且极大地缩短了时延。
在一个实施例中，如图4所示，上述步骤S306具体包括：
步骤S402，根据查询指令携带的待查询终端地址信息，从所存储的终端地 址信息，确定出与待查询终端地址信息相匹配的目标终端地址信息；
步骤S404，获取目标终端地址信息对应的远程终端单元，作为目标远程终端单元，以及获取与目标终端地址信息关联的服务器地址信息所对应的服务器实例，作为目标服务器实例。
具体实现中，调度单元206接收到监视单元208发送的查询指令后，响应于该查询指令，首先根据该查询指令携带的待查询终端地址信息，从预先存储的终端地址信息，确定出与待查询终端地址信息相匹配的目标终端地址信息，以及与目标终端地址信息关联的目标服务器地址信息。由于终端地址信息携带有远程终端单元的终端标识，服务器地址信息携带有服务器实例的服务器标识。因此，在确定目标终端地址信息和目标服务器地址信息后，可根据目标终端地址信息携带的终端标识，确定目标远程终端单元，以及根据目标服务器地址信息携带的服务器标识，确定目标服务器实例
本实施例中，根据查询指令携带的待查询终端地址信息，从所存储的终端地址信息，确定出与待查询终端地址信息相匹配的目标终端地址信息，然后获取目标终端地址信息对应的远程终端单元，作为目标远程终端单元，获取目标服务器地址信息对应的服务器实例，作为目标服务器实例，以便于进一步将查询指令通过目标服务器实例发送至目标远程终端单元，从而实现将监视单元的查询指令发送给其所查询的目标远程终端单元。
在一个实施例中，远程终端单元和所述服务器实例的数量均为多个，一个所述远程终端单元连接至两个不同的所述服务器实例，各个所述服务器实例连接至所述监视单元。
本实施例中，通过使一个远程终端单元连接至两个不同的服务器实例，便于在其中一个服务器实例出现故障时，可通过另一个服务器实例查询远程终端单元的信息。
在一个实施例中，远程终端单元分别通过主用通道和备用通道连接至两个不同的所述服务器实例。
本实施例中，通过将远程终端单元分别通过主用通道和备用通道连接至两 个不同的所述服务器实例，一方面便于通过主用通道连接的服务器实例将其所获取的远程终端单元的信息，通过备用通道备份至另一个服务器实例，防止数据丢失，另一方面便于在其中一个服务器实例出现异常时，可通过另一个服务器实例连接远程终端单元查询远程终端单元的信息。
在一个实施例中，目标服务器实例通过所述主用通道连接至所述远程终端单元，或通过所述备用通道连接至所述远程终端单元。
具体实现中，当主用通道正常时，目标服务器实例通过主用通道连接至远程终端单元；当主用通道出现故障时，目标服务器实例可通过备用通道连接至远程终端单元。
本实施例中，通过设置主用通道和备用通道，建立服务器实例和远程终端单元之间的连接，保证了服务器实例和远程终端单元连接的有效性。
应该理解的是，虽然图3-4的流程图中的各个步骤按照箭头的指示依次显示，但是这些步骤并不是必然按照箭头指示的顺序依次执行。除非本文中有明确的说明，这些步骤的执行并没有严格的顺序限制，这些步骤可以以其它的顺序执行。而且，图3-4中的至少一部分步骤可以包括多个步骤或者多个阶段，这些步骤或者阶段并不必然是在同一时刻执行完成，而是可以在不同的时刻执行，这些步骤或者阶段的执行顺序也不必然是依次进行，而是可以与其它步骤或者其它步骤中的步骤或者阶段的至少一部分轮流或者交替地执行。
在一个实施例中，如图5所示，提供了一种电网监控系统前置调度服务的低时延寻址装置，包括：接收模块502、存储模块504、获取模块506和发送模块508，其中：
接收模块502，用于接收服务器实例发送的所述服务器实例自身的服务器地址信息以及与所述服务器地址信息对应的所述终端地址信息；所述终端地址信息由远程终端单元发送给所述服务器实例；
存储模块504，用于将所述服务器地址信息和所述终端地址信息进行关联并 存储；
获取模块506，用于当接收到监视单元发送的查询指令时，根据所述查询指令、所存储的终端地址信息和与所述终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元；
发送模块508，用于将所述查询指令通过所述目标服务器实例发送至所述目标远程终端单元。
在一个实施例中，查询指令携带有待查询终端地址信息；上述获取模块506，具体用于根据所述查询指令携带的待查询终端地址信息，从所存储的终端地址信息，确定出与所述待查询终端地址信息相匹配的目标终端地址信息；获取所述目标终端地址信息对应的远程终端单元，作为目标远程终端单元，以及获取与所述目标终端地址信息关联的服务器地址信息所对应的服务器实例，作为目标服务器实例。
在一个实施例中，远程终端单元和所述服务器实例的数量均为多个，一个所述远程终端单元连接至两个不同的所述服务器实例，各个所述服务器实例连接至所述监视单元。
在一个实施例中，远程终端单元分别通过主用通道和备用通道连接至两个不同的所述服务器实例。
在一个实施例中，上述目标服务器实例通过所述主用通道连接至所述远程终端单元，或通过所述备用通道连接至所述远程终端单元。
需要说明的是，本申请的电网监控系统前置调度服务的低时延寻址装置与本申请的电网监控系统前置调度服务的低时延寻址方法一一对应，在上述电网监控系统前置调度服务的低时延寻址方法的实施例阐述的技术特征及其有益效果均适用于电网监控系统前置调度服务的低时延寻址装置的实施例中，具体内容可参见本申请方法实施例中的叙述，此处不再赘述，特此声明。
此外，上述电网监控系统前置调度服务的低时延寻址装置中的各个模块可全部或部分通过软件、硬件及其组合来实现。上述各模块可以硬件形式内嵌于或独立于计算机设备中的处理器中，也可以以软件形式存储于计算机设备中的存储器中，以便于处理器调用执行以上各个模块对应的操作。
在一个实施例中，如图6所示，提供了一种电网监控系统，包括：远程终端单元、服务器实例、监视单元和调度单元，所述远程终端单元和所述服务器实例的数量均为多个，一个所述远程终端单元连接至两个不同的所述服务器实例，各个所述服务器实例连接至所述监视单元，所述监视单元还通过所述调度单元连接至各个所述服务器实例；
在一个实施例中，所述系统还包括：消息中间件和数据采集与监视控制单元(Supervisory Control And Data Acquisition，SCADA)，其中，消息中间件可以为kafka单元，各个服务器实例均依次通过kafka单元、SCADA单元连接至监视单元；
所述远程终端单元，用于获取并发送自身的终端地址信息至所述服务器实例；
所述服务器实例，用于接收所述远程终端单元发送的所述终端地址信息，并将所述终端地址信息和自身的服务器地址信息发送至所述调度单元；
所述调度单元，用于接收并存储所述服务器实例发送的所述服务器地址信息和与所述服务器地址信息对应的所述终端地址信息；
所述监视单元，用于发送查询指令至所述调度单元；
所述调度单元，还用于响应所述监视单元发送的查询指令，根据所述查询指令、所存储的终端地址信息和与所述终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元；将所述查询指令通过所述目标服务器实例发送至所述目标远程终端单元。
在一个实施例中，调度单元，还用于根据所述查询指令携带的待查询终端地址信息，从所存储的终端地址信息，确定出与所述待查询终端地址信息相匹配的目标终端地址信息；获取所述目标终端地址信息对应的远程终端单元，作为目标远程终端单元，以及获取与所述目标终端地址信息关联的服务器地址信息所对应的服务器实例，作为目标服务器实例。
在一个实施例中，远程终端单元和所述服务器实例的数量均为多个，一个所述远程终端单元连接至两个不同的所述服务器实例，各个所述服务器实例连 接至所述监视单元。
在一个实施例中，远程终端单元分别通过主用通道和备用通道连接至两个不同的所述服务器实例。
在一个实施例中，目标服务器实例通过所述主用通道连接至所述远程终端单元，或通过所述备用通道连接至所述远程终端单元。
本申请提供的电网监控系统中，远程终端单元获取自身的终端地址信息，并发送至服务器实例；接着服务器实例获取来自远程终端单元的终端地址信息，并将终端地址信息和自身的服务器地址信息发送至调度单元；接着调度单元获取并存储服务器地址信息和与服务器地址信息对应的终端地址信息；当监视单元需要对目标远程终端单元进行查询时，监视单元发送带有待查询终端地址信息的查询指令至调度单元；接着调度单元根据待查询终端地址信息和所存储的服务器地址信息以及与服务器地址信息对应的终端地址信息，得到与待查询终端地址信息对应的目标服务器实例和目标远程终端单元，并将查询指令通过目标服务器实例发送至目标远程终端单元。根据本实施例的技术方案，由于本实施例的电网监控系统包括有调度单元，而调度单元会预先存储有服务器地址信息和与服务器地址信息对应的终端地址信息，因此，当监视单元需要往下查询特定的远程终端单元的信息时，监视单元只需要将带有待查询终端地址信息的查询指令至调度单元即可，而无需逐级下发查询指令至各个服务器实例，操作简单，大大缩短了时延。
在一个实施例中，提供了一种计算机设备，该计算机设备可以是服务器，其内部结构图可以如图7所示。该计算机设备包括通过系统总线连接的处理器、存储器和网络接口。其中，该计算机设备的处理器用于提供计算和控制能力。该计算机设备的存储器包括非易失性存储介质、内存储器。该非易失性存储介质存储有操作系统、计算机程序和数据库。该内存储器为非易失性存储介质中的操作系统和计算机程序的运行提供环境。该计算机设备的数据库用于存储信息查询过程中的数据。该计算机设备的网络接口用于与外部的终端通过网络连接通信。该计算机程序被处理器执行时以实现一种电网监控系统前置调度服务 的低时延寻址方法。
本领域技术人员可以理解，图7中示出的结构，仅仅是与本申请方案相关的部分结构的框图，并不构成对本申请方案所应用于其上的计算机设备的限定，具体的计算机设备可以包括比图中所示更多或更少的部件，或者组合某些部件，或者具有不同的部件布置。
在一个实施例中，提供了一种计算机设备，包括存储器和处理器，存储器中存储有计算机程序，该处理器执行计算机程序时实现以下步骤：
接收服务器实例发送的所述服务器实例自身的服务器地址信息以及与所述服务器地址信息对应的所述终端地址信息；所述终端地址信息由远程终端单元发送给所述服务器实例；
将所述服务器地址信息和所述终端地址信息进行关联并存储；
当接收到监视单元发送的查询指令时，根据所述查询指令、所存储的终端地址信息和与所述终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元；
将所述查询指令通过所述目标服务器实例发送至所述目标远程终端单元。在一个实施例中，还提供了一种计算机设备，包括存储器和处理器，存储器中存储有计算机程序，该处理器执行计算机程序时实现上述各方法实施例中的步骤。
在一个实施例中，提供了一种计算机可读存储介质，其上存储有计算机程序，计算机程序被处理器执行时实现以下步骤：
接收服务器实例发送的所述服务器实例自身的服务器地址信息以及与所述服务器地址信息对应的所述终端地址信息；所述终端地址信息由远程终端单元发送给所述服务器实例；
将所述服务器地址信息和所述终端地址信息进行关联并存储；
当接收到监视单元发送的查询指令时，根据所述查询指令、所存储的终端地址信息和与所述终端地址信息关联的服务器地址信息，获取目标服务器实例 和目标远程终端单元；
将所述查询指令通过所述目标服务器实例发送至所述目标远程终端单元。在一个实施例中，提供了一种计算机可读存储介质，其上存储有计算机程序，该计算机程序被处理器执行时实现上述各方法实施例中的步骤。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，所述的计算机程序可存储于一非易失性计算机可读取存储介质中，该计算机程序在执行时，可包括如上述各方法的实施例的流程。其中，本申请所提供的各实施例中所使用的对存储器、存储、数据库或其它介质的任何引用，均可包括非易失性和易失性存储器中的至少一种。非易失性存储器可包括只读存储器(Read-Only Memory，ROM)、磁带、软盘、闪存或光存储器等。易失性存储器可包括随机存取存储器(Random Access Memory，RAM)或外部高速缓冲存储器。作为说明而非局限，RAM可以是多种形式，比如静态随机存取存储器(Static Random Access Memory，SRAM)或动态随机存取存储器(Dynamic Random Access Memory，DRAM)等。
以上实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种电网监控系统前置调度服务的低时延寻址方法，其特征在于，所述方法包括：
    接收服务器实例发送的所述服务器实例自身的服务器地址信息以及与所述服务器地址信息对应的所述终端地址信息；所述终端地址信息由远程终端单元发送给所述服务器实例；
    将所述服务器地址信息和所述终端地址信息进行关联并存储；
    当接收到监视单元发送的查询指令时，根据所述查询指令、所存储的终端地址信息和与所述终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元；
    将所述查询指令通过所述目标服务器实例发送至所述目标远程终端单元。
  2. 根据权利要求1所述的方法，其特征在于，所述查询指令携带有待查询终端地址信息；
    所述根据所述查询指令、所存储的服务器地址信息和与所述服务器地址信息关联的终端地址信息，获取目标服务器实例和目标远程终端单元，包括：
    根据所述查询指令携带的待查询终端地址信息，从所存储的终端地址信息，确定出与所述待查询终端地址信息相匹配的目标终端地址信息；
    获取所述目标终端地址信息对应的远程终端单元，作为目标远程终端单元，以及获取与所述目标终端地址信息关联的服务器地址信息所对应的服务器实例，作为目标服务器实例。
  3. 根据权利要求1所述的方法，其特征在于，所述远程终端单元和所述服务器实例的数量均为多个，一个所述远程终端单元连接至两个不同的所述服务器实例，各个所述服务器实例连接至所述监视单元。
  4. 根据权利要求1所述的方法，其特征在于，所述远程终端单元分别通过主用通道和备用通道连接至两个不同的所述服务器实例。
  5. 根据权利要求4所述的方法，其特征在于，所述目标服务器实例通过所述主用通道连接至所述远程终端单元，或通过所述备用通道连接至所述远程终端单元。
  6. 一种电网监控系统前置调度服务的低时延寻址装置，其特征在于，所述装置包括：
    接收模块，用于接收服务器实例发送的所述服务器实例自身的服务器地址信息以及与所述服务器地址信息对应的所述终端地址信息；所述终端地址信息由远程终端单元发送给所述服务器实例；
    存储模块，用于将所述服务器地址信息和所述终端地址信息进行关联并存储；
    获取模块，用于当接收到监视单元发送的查询指令时，根据所述查询指令、所存储的终端地址信息和与所述终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元；
    发送模块，用于将所述查询指令通过所述目标服务器实例发送至所述目标远程终端单元。
  7. 一种电网监控系统，其特征在于，所述系统包括：远程终端单元、服务器实例、监视单元和调度单元，所述远程终端单元和所述服务器实例的数量均为多个，一个所述远程终端单元连接至两个不同的所述服务器实例，各个所述服务器实例连接至所述监视单元，所述监视单元还通过所述调度单元连接至各个所述服务器实例；
    所述远程终端单元，用于获取并发送自身的终端地址信息至所述服务器实例；
    所述服务器实例，用于接收所述远程终端单元发送的所述终端地址信息，并将所述终端地址信息和自身的服务器地址信息发送至所述调度单元；
    所述调度单元，用于接收并存储所述服务器实例发送的所述服务器地址信息和与所述服务器地址信息对应的所述终端地址信息；
    所述监视单元，用于发送查询指令至所述调度单元；
    所述调度单元，还用于响应所述监视单元发送的查询指令，根据所述查询指令、所存储的终端地址信息和与所述终端地址信息关联的服务器地址信息，获取目标服务器实例和目标远程终端单元；将所述查询指令通过所述目标服务 器实例发送至所述目标远程终端单元。
  8. 根据权利要求7所述的系统，其特征在于，所述调度单元，还用于根据所述查询指令携带的待查询终端地址信息，从所存储的终端地址信息，确定出与所述待查询终端地址信息相匹配的目标终端地址信息；获取所述目标终端地址信息对应的远程终端单元，作为目标远程终端单元，以及获取与所述目标终端地址信息关联的服务器地址信息所对应的服务器实例，作为目标服务器实例。
  9. 一种计算机设备，包括存储器和处理器，所述存储器存储有计算机程序，其特征在于，所述处理器执行所述计算机程序时实现权利要求1至5中任一项所述方法的步骤。
  10. 一种计算机可读存储介质，其上存储有计算机程序，其特征在于，所述计算机程序被处理器执行时实现权利要求1至5中任一项所述的方法的步骤。
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