Real-time data synchronization method and device and storage medium

A technology of real-time data and storage media, applied in database update, structured data retrieval, database distribution/replication, etc., can solve problems such as data loss, network packet loss, etc., to ensure accuracy, avoid misoperation, and avoid data loss. lost effect
CN110032601AActive Publication Date: 2019-07-19郑州轨道交通信息技术研究院
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
郑州轨道交通信息技术研究院
Publication Date
2019-07-19

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Abstract

The invention relates to the technical field of railway dispatching systems, in particular to a real-time data synchronization method. The method comprises the following steps of when the state data of a first node changes, actively sending the changed state data to a second node; enabling the second node to regularly request the first node to send the first all state data of the first node, and when the state data is updated, enablilng the second node to update the local data according to the first all state data; and enabling the first node to send the second all state data of the first nodeto the first node regularly, and when the state data is updated, enabling the second node to update the local data according to the second all state data. According to the present invention, the synchronization is carried out in a two-way interaction mode, not only the real-time performance of data synchronization is guaranteed, but also the synchronization failures caused by the data loss causedby the network packet loss are avoided, it can be guaranteed that the state change data is synchronized, the accuracy of the data finally fed back to a user is guaranteed, and the misoperation of theuser is avoided.
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Description

technical field

[0001] The invention relates to the technical field of railway dispatching systems, in particular to a method, device and storage medium for real-time data synchronization. Background technique

[0002] In the field of rail transit automation technology, a complete dispatching system usually consists of a dispatching workstation, an application server and an interface server. The HMI (Human Machine Interface, human-machine interface) program is deployed on the dispatching workstation to interact with the application server; the application server is deployed on the application server. The program is responsible for processing the internal data of the scheduling system and interacting with the interface server; the interface program deployed on the interface server is responsible for interacting with the external system. Usually, if the data held by module / system A and module / system B are consistent and the data of A always changes first, if the data of A chan...

Claims

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