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Reference Models & Guidance

National reference components for each of the six domains

One national reference model per domain, issued by the Digital Government Authority and used as the basis for consistent EA outputs across entities. Complemented by guidance documents covering practice establishment, sectoral offices, and maturity measurement.

The six national reference models

In brief

  • Six national reference models for enterprise architecture issued by the Digital Government Authority.
  • Provide reference components that accelerate building and developing EA domain components within entities.
  • Used as key inputs for guiding future state development or conducting benchmark comparisons.
1

Business architecture

Administrative and organisational business capabilities, core capabilities, and supporting capabilities (operational and enabling).
2

Beneficiary experience architecture

Beneficiary, beneficiary persona, beneficiary journey. External and internal beneficiary categories.
3

Applications architecture

Eight layers from the access layer to the information security applications layer.
4

Data architecture

Data entities linked to business capabilities, data exchange patterns, capabilities linked to the data lifecycle.
5

Technology architecture

Seven layers from data centre facilities to infrastructure management and monitoring.
6

Security architecture

Eight layers from infrastructure security to governance, risk, and compliance.

Accelerating EA development

The National Reference Models for EA are part of the national EA framework. They provide reference components for various EA domains, accelerating the development of EA domain components within entities. The DGA guideline for building EA reference models describes for each domain: the full component picture, detailed components, and guidance for application.

Entities use reference models as a key input when developing target state or conducting benchmarks. All six domain reference models should be documented in a single deliverable covering the full component breakdown and detail for each domain.

Related topics

Six domains

National methodology

Maturity measurement

EA Reference Models & Guidance | NORA DGA | SAHM