Data Processing Device Local Master Data Synchronization
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Solution Overview
Problem
Systems where a terminal device communicates with a server to process data often fail if the communication path between them is interrupted, and existing solutions like redundant Internet connections complicate system configuration and implementation.
Innovation Solution
A data processing device with a data storage unit that synchronizes with server-side master data, allowing it to substitute for the server and provide master data to a terminal device during communication faults, ensuring uninterrupted data processing by storing and processing information through redundant communication paths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a terminal device communicates with a server through a single communication path, then the system configuration is simple, but the system stops working when the communication path is interrupted
Solution Approach 1:
The data processing device performs preliminary actions by storing master data locally in its data storage unit before communication failures occur. This pre-stored data enables the device to respond to terminal device requests even when the server is inaccessible, ensuring system continuity without requiring complex redundant communication paths.
Solution Approach 2:
The data processing device acts as an intermediary between the terminal device and the server. It maintains a local copy of master data and can mediate requests from the terminal device independently of the server's availability, thereby improving reliability while keeping the overall system configuration relatively simple.
2Reliability
If redundant communication lines are used to handle communication problems, then system reliability improves, but the system configuration becomes complicated
Solution Approach 1:
Instead of implementing redundant communication paths, the invention creates a copy of the master data stored on the server and stores it locally in the data processing device. This copy enables the device to function independently when the communication path fails, achieving communication reliability without the complexity of multiple physical communication lines.
3Reliability
If the data processing device stores and processes data locally, then data processing continues during communication faults, but more memory resources are required
Solution Approach 1:
The data processing device stores only the essential master data locally rather than all possible data. This selective local storage provides enough information to maintain critical data processing functions during communication failures while minimizing the additional memory resources required.
Data Source
AI summary
A system in which a terminal device communicates with a server and processes data enables the terminal device to continue processing data even when a communication fault occurs.A data processing device has a data storage unit storing data processing device-side master data, connects through a server communication path to a server, updates the data processing device-side master data stored in the data storage unit based on server-side master data stored by the server, connects to a tablet through a process communication path, responds based on the data processing device-side master data stored by the data storage unit to a master data transmission request sent by the tablet, and receives the process information sent by the tablet.