US Patent 7290018 Change-driven replication of data

Change-driven replication includes determining in a first replication data included in a collection of business master data by performing an explosion of the collection of business master data and transmitting the data to be replicated from a central data system to one or more target data systems, determining which data included in the collection of business master data has changed since the first replication by exploding only the changed data, replicating only the changed data in a second replication, and transmitting the changed data from the central data system to at least one of the target data systems.