DATA SYNCHRONIZER, SYNCHRONOUS SERVER, AND DATA SYNCHRONIZATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide technique that allows communication in a data synchronizer to be efficient and allows processing loads in a synchronous server and an application to be reduced.

SOLUTION: A data synchronizer 1 comprises a synchronous server 10 and a plurality of applications 11. The synchronous server 10 transmits and receives automatic synchronous data and storage position data about on-demand data to and from a peripheral data synchronizer. Each of the applications 11 exchanges the automatic synchronous data and storage position data with the synchronous server 10. Each of the applications 11 accesses to the peripheral data synchronizer and transmits and receives on-demand data to and from the same as necessary by transmitting a transmission request and an acquisition request for the on-demand data to the peripheral data synchronizer via the synchronous server 10 as necessary on the basis of the storage position data from the peripheral data synchronizer.

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