Real-time Synchronization
Real-time synchronization is the capability of keeping data consistent across multiple systems as changes occur, rather than through batch updates or manual reconciliation. In the context of the digital twin, real-time synchronization means that when an engineering change is released in PLM, the change is automatically reflected in all downstream systems — MES receives the updated BOM, the twin updates its model, field service systems receive the change notice — without manual intervention. True real-time synchronization is one of the hardest problems in the digital thread, because it requires not just technical connectivity but also governance of change workflows across organizations.
Why it matters
Without real-time synchronization, the thread degrades into a collection of snapshots. A BOM exported to ERP once a month becomes stale within days if engineering is releasing changes weekly. A digital twin fed by that stale BOM makes recommendations against a configuration that no longer matches reality. Real-time synchronization is expensive to implement correctly — it requires event-driven architecture, change-tracking systems, and coordination across teams — but the cost of not doing it is a thread that erodes into uselessness the moment product velocity increases.
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Cite this definition
Finocchiaro, Michael. “Real-time Synchronization.” DemystifyingPLM PLM Glossary, 2026, https://www.demystifyingplm.com/glossary/real-time-synchronization