Patent ID: 6438563
Filing Date: 2002-08-20
Classification: G06F,H04L,Y10S

Abstract:
A database synchronization method of a network management system in which a network manager manages each of a plurality of network elements by setting or updating each management information, which includes the relevant system configuration and definitions of offered service functions of each network element, by using an operation database, which contains information that corresponds to the management information of each of said network elements, and a storage device storing data for back-up of said operation database and renewed periodically; comprising the steps of:generating database information, which shows the update history of said each management information, and storing said database information into said operation database and the respective network element; judging whether a matching check of data stored in said operation database is necessary or not, when the management information stored in said operation database is accessed; in case of said matching check is judged to be necessary, acquiring the database information stored in the objective network element; comparing and collating database information acquired from the network element with database information stored in the operation database, and detecting whether any discrepancy exists or not between them; deciding which side of the network manager and the network element holds right data by analyzing the cause of detected discrepancy; and amending the management information and database information stored in the side which is decided to hold not correct data by the data of the other side.