Click a cell to cycle master, replica, consumer. Up to eight entities and six systems.
Legend
MMaster
RReplica
CConsumer
Entity
GIS
SAP
CRM
SCADA
Warehouse
Substation
Cable
Customer connection
Meter
4 master assignments; no dual-master conflicts.
GIS: 2 M, 0 R, 0 C
SAP: 1 M, 0 R, 0 C
CRM: 1 M, 0 R, 0 C
SCADA: 0 M, 2 R, 0 C
Warehouse: 0 M, 0 R, 4 C
Exactly one system of record for every master data entity
Each entity has one Master that may change it; every other system holds a read-only Replica or Consumer copy, so two systems both claiming to be Master is a conflict to resolve rather than a fact to record.
