Fecha de publicación: 16/04/2020 Fuente: WIPO "hive" A data replication system is disclosed comprising a change event detection module configured to run at a first data repository and a change event implementation module configured to run at a second data repository. A messaging service configured to transmit received messages in accordance with message subscriptions is also provided. The event detection module is configured to detect changes made to the first data repository and transmit change event messages to the messaging service. The event implementation module is configured to subscribe to change event messages at the messaging service and, in response to receipt of a change event message, to implement the change event at the second data repository.