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Data on-line migration method of typical production system in power industry

A technology for the power industry and production system, which is used in electrical digital data processing, transmission systems, special data processing applications, etc.

Inactive Publication Date: 2015-03-11
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of data migration between different databases located in different security areas in the production environment of the power system, especially on the premise of ensuring the normal and stable operation of the existing production system (especially the database system), complete the data traversal one-way (positive / reverse) network isolation device, and finally realize the online, safe and stable data migration of the database

Method used

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  • Data on-line migration method of typical production system in power industry
  • Data on-line migration method of typical production system in power industry
  • Data on-line migration method of typical production system in power industry

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Embodiment Construction

[0052] In the present invention, the transfer server and the interface server jointly complete the migration work, and the adopted technical scheme is as follows:

[0053] First of all, through the data interface provided by each database, compile and generate a specific interface service program for applications in different security areas, the purpose is to obtain real-time / historical data from the migration database, convert data format, and write to the migration database Data, this work is mainly implemented on the interface servers in each security zone; the interface service program in the transfer-out zone is responsible for obtaining data and generating E-format language files, and the interface service program in the transfer-in zone is responsible for parsing E files and transferring in data; the interface Multiple servers can be deployed in the same area to connect to the databases in each security area.

[0054] Then, the transfer service program is responsible fo...

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Abstract

The invention discloses a data on-line migration method of a typical production system in power industry and aims at solving the problem of data migration among different data bases located in different safe regions under the production environment of a power system. The data on-line migration method adopts data interface servers which arranged in the safe regions and are responsible for acquisition, format conversion, resolution and write-in process of migrated data, adopts transit servers which are responsible for transmission and transit work of data files in the safe regions to reduce data transmission pressure of interface service programs and ensure stable system operation, adopts a standard E-format language files formulated Chinese national committee as a carrier, performs cross-separation-gatekeeper data transmission through a model that the interface service programs and transmission tool special for separation gatekeepers are combined and ensures data safety. The data on-line migration method ensures normal and stable operation of an existing production system (specially a data base system) and accordingly achieves on-line, safe and stable data migration.

Description

technical field [0001] The invention relates to an online data migration method, in particular to data exchange of scheduling and information, online migration of real-time / historical data, and data access, and belongs to the field of power system informatization and automation. Background technique [0002] With the continuous improvement of power system informatization and automation level, the continuous development of database technology and the wide application of distributed theory and technology, a phenomenon that multiple databases exist in the same production system at the same time. With the upgrade of the system and the database, in order to maximize the use of existing resources and avoid the waste of repeated development, the problem of heterogeneous database operation must be solved, and the data in different databases can be integrated into the same database through data migration It is one of the ways to solve this problem. [0003] Existing data migration m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08G06F17/30
Inventor 史英杰粟勇朱恒
Owner STATE GRID CORP OF CHINA
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