A domain operating system is a shared runtime and information layer that coordinates identities, entities, permissions, workflows, events and interfaces for a specific field of activity.
A domain operating system turns repeated domain rules into reusable infrastructure without claiming to replace a general-purpose computer operating system.
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Definition
A domain operating system coordinates the recurring entities and rules of a field. It provides shared identity, permissions, events, workflows, data contracts and extension surfaces so that multiple applications do not reimplement the same foundations.
Difference from an application
An application delivers a bounded user experience. A domain operating system supports several experiences and integrations while maintaining common semantics underneath them.
Electronic Artefacts position
VASTE is relevant as a domain-runtime foundation for graph-shaped products. Vestiges can become a cultural knowledge operating layer when public pages, contributions, validation and economic services share the same entity model.
Limitations
The metaphor can encourage overreach. A domain operating system should start from proven shared needs, maintain replaceable modules and avoid becoming a mandatory dependency for unrelated functions.
References
See Graph Runtime, Contextual Execution, VASTE, Vestiges and Event-Driven Architecture.