Introduction to national enterprise architecture in Denmark

The framework

The Danish national enterprise architecture framework includes general principles as well as semantic and technical standards and common infrastructure solutions in operation both in government and in the private sector. Examples are NemID (ID and signature), NemLogin ( single sign-on) and NemHandel (procurement).

The OIO framework is widely adopted across all tiers and levels of government. Various parts of the framework are also used outside government in private business sectors including the financial sector.

National framework in an international context

The common public sector enterprise architecure framework called OIO EA, which is sort of a Danish implementation very much inspired by the Open Group framework TOGAF and the European Interoperability Framework (EIF). In fact the OIO framework can be seen as a Danish adoption or profile of TOGAF and EIF. Dansih Government is also involved in the e-SENS programme with a strong focus on alignment between the future recomendations on architecture and standards with eSENS.

The architecture guide

This site - the OIO Architecture guide - is run by the Danish Agency for Digitisation (DAD) within the Ministry of Finance. The OIO Architecture guide is part of the collaboration platform, which is the pivot point for actual work under our NIF and is the repository for our data formats, architecture artifacts, standards recommendations, OSS projects etc.

The OIO Architecture guide is set up to help Danish authorities and institutions as well as their suppliers get an overview of common, cross-governmental principles, requirements, methodologies, models, standards, infrastructure, governance etc. in relation to digitalization - alle served within the National Interoperability Framework (NIF).

Further reading

Unfortunaletly most textual information is in Danish Only.

A few English language texts can be found at our agency web site,

  • Common Digital Solutions - information about our national citizens portal, the national eID, eProcurement, the Basic Data programme and other initiatives
  • IT Architecture and Standards - information about accessibility rules, EA, Cloud, OSS and open standards
  • Policy and Strategy - information about project management, green IT and the Digitisation strategy.

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