5.4.6 Process of Database Synchronization
The related email data that need to be synchronized located in offline server computer, online server computer and infomediary device. The database synchronization performed by comparing the email data reside in server computer and infomediary device. Database synchronization application on server computer will check if the email data path on the server computer and email data path on infomediary device availability. When infomediary device connected in the server computer local network, the networking path of the email data on infomediary device will be discovered by database synchronization application. Database synchronization application will start comparing the email data between server computer and infomediary device. If there is no change of email data between server computer and infomediary device, the synchronization process is finished. When there is new email data found, the database synchronization application will start retrieve the new email data from infomediary device and transfer new email data to the infomediary device. Figure 5.3 shows the flowchart of the database synchronization.
|Process of database synchronization|
Figure 5.3: Process of database synchronization