A DISTRIBUTED DATA MANAGEMENT SYSTEM AND A METHOD FOR DATA DYNAMIC SUBSCRIBING

摘要

A distributed data management system includes: an application module (1) and a data manager (2); a data access module (11) and a data buffer (12) are set in the application module (1); a subscribing management module (21), a subscribing list module (22), a notify module (23) and a data memory (24) are set in the data manager (2); in addition, a dynamic subscribing management module (14) and a data record module (15) are also set in the application module (1); a data publish module (25) is set in the data manager (2), and it is connected to the data memory (24); the dynamic subscribing management module (14) is connected to the data record module (15), the data buffer (12) and the data access module (11) respectively and communicates with the subscribing management module (21), the notify module (23) and the data publish module (25). There is also a method for data dynamic subscribing. By using the invention, the data quantity for network transmission and system process is reduced effectively, the network load is lower and the operation performance is improved.