Foundational subject / 01
Data infrastructure makes information dependable.
Data infrastructure is the deliberate arrangement of identity, structure, context and access that allows information to remain understandable and usable across systems.
Read the definition02 / Category definition
An underlying foundation
More than storage. More than one tool.
Information can be stored and still be difficult to use. Its identifiers may not align. Its structure may vary between providers. Its context may be missing when it reaches another system.
Data infrastructure addresses those underlying conditions. It connects what information describes, how it is organised, what surrounds it and how consuming systems can reach it.
03 / Responsibilities
A practical framework
Four responsibilities beneath useful information.
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01
Identity
Provide a stable way to know what information describes and distinguish it from external labels or representations.
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02
Structure
Organise concepts, attributes and relationships so meaning can travel between systems.
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03
Context
Retain provenance, surrounding conditions and uncertainty needed to interpret a position responsibly.
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04
Access
Expose clear interfaces through which people, software and intelligent systems can use the information.
04 / Fragmentation
The problem underneath
Fragmentation is not solved by moving data alone.
When information crosses systems, its values need an intelligible relationship to the objects and concepts they describe. Without that layer, integration can reproduce ambiguity in a new location.
DDI constructs data infrastructure at this underlying level: making complex information more reliable, structured, discoverable and usable by consuming systems.
Continue / Applied contexts
Follow the information need