If the nature of the data and of the applications that use it can tolerate retrieved data not necessarily being up-to-the-minute accurate, then several "synchronous" approaches to updating replicated data are appropriate.

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Synchronous approaches to updating replicated data ensure that all copies of the data are updated simultaneously, which is necessary for applications that cannot tolerate inconsistencies or outdated information. If the nature of the data and applications can tolerate not being up-to-the-minute accurate, "asynchronous" approaches would be more appropriate, as they allow for updates to happen at different times, potentially improving performance and availability at the cost of immediate consistency.

If the Nature of the Data and of the Applications