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Data synchronization is the process of maintaining the consistency and uniformity of data instances across all consuming applications and storing devices. It ensures that the same copy or version of data is used in all devices - from source to destination.
Data synchronization is enabled through specialized software that tracks data versions as they are created and utilized. The process is implemented in distributed systems where data elements are routed between several computers or systems. Each computer may modify original data versions, depending on requirements.
Data synchronization ensures that regardless of data modifications, all changes are merged with the original data source.
Data synchronization is also used in data mirroring, where each data set is exactly replicated or synchronized within another device.