sounds as simple as "merge replication" or "log shipping".
More like log shipping than merge replication, certainly in terms of complexity and effort.
Original author: https://github.com/SQL-FineBuild/Common/wiki/ 1-click install and best practice configuration of SQL Server 2019, 2017 2016, 2014, 2012, 2008 R2, 2008 and 2005.
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