The two-tier operation mechanism

and local operation and maintenance convention of China Telecom made the headquarter lack of customer information

price plans

sales management

product data etc. The way was discussed that uploading the data scattered in each province to the headquarter IT center in real time and synchronously. Therefore a method was proposed which combined data files with message increment. Through the implementation of program design

key technology and performance optimization

the initial goal that“basic data can be changed simultaneously in the two-tier

management of the core meta data can be centralized”was achieved.