ArchiMate (// AR-ki-mayt) is an open and independent enterprise architecture modeling language to support the description, analysis and visualization of architecture within and across business domains in an unambiguous way.
ArchiMate is a technical standard from The Open Group and is based on the concepts of the IEEE 1471 standard. It is supported by various tool vendors and consulting firms. ArchiMate is also a registered trademark of The Open Group. The Open Group has introduced a certification program  for ArchiMate 2.0.
Just like an architectural drawing in classical building architecture describes the various aspects of the construction and use of a building, ArchiMate offers a common language for describing the construction and operation of business processes, organizational structures, information flows, IT systems, and technical infrastructure. This insight helps the different stakeholders to design, assess, and communicate the consequences of decisions and changes within and between these business domains.
An architecture framework is used to structure the concepts and relationships of the ArchiMate language. It divides the enterprise architecture into a business, application and technology layer. In each layer, three aspects are considered: active elements that exhibit behavior (e.g. Process and Function), an internal structure and elements that define use or communicate information.
One of the objectives of the ArchiMate language is to define the relationships between concepts in different architecture domains. The concepts of this language therefore hold the middle between the detailed concepts, that are used for modeling individual domains, for example, the UML for modeling software products., and BPMN which is used for business process modeling.
ArchiMate is partly based on the IEEE 1471 standard. It was developed in the Netherlands by a project team from the Telematica Instituut in cooperation with several Dutch partners from government, industry and academia. Among the partners were Ordina, Radboud Universiteit Nijmegen, the Leiden Institute for Advanced Computer Science (LIACS) and the Centrum Wiskunde & Informatica (CWI). Later, tests were performed in organizations such as ABN AMRO, the Dutch Tax and Customs Administration and the ABP.
The development process lasted from July 2002 to December 2004, and took about 35 man years and approximately 4 million euros. The development was funded by the Dutch government (Dutch Tax and Customs Administration), and business partners, including ABN AMRO and the ABP Pension Fund.
In 2008 the ownership and stewardship of ArchiMate was transferred to the Open Group. It is now managed by the ArchiMate Forum  within The Open Group. In February 2009 The Open Group published the ArchiMate® 1.0 standard as a formal technical standard. In January 2012 the ArchiMate® 2.0 standard  was released.
- The Business layer about business processes, services, functions and events of business units. This layer "offers products and services to external customers, which are realized in the organization by business processes performed by business actors and roles".
- The Application layer about software applications that "support the components in the business with application services".
- The Technology layer deals "with the hardware and communication infrastructure to support the Application Layer. This layer offers infrastructural services needed to run applications, realized by computer and communication hardware and system software".
Each layer "aims to provide a natural way to look at service-oriented models. Each layer is self contained despite being a component of the integrated model, and caters to one or more architecture domains".
- Henk Jonkers (ed.) et al. (2004) Concepts for Architectural Description Enschede: Telematica Instituut
- What is ArchiMate? at archimate.org. Accessed 18 jan 2009
- ArchiMate 2.0 Certification
- Pallab Saha (2008) Advances in Government Enterprise Architecture. p.39.
- Zoran Stojanović et al. (2007). Service-oriented Software System Engineering. p.145-146.
- Telematica Instituut (2006) Annual Report 2005. p.7. Accessed 18 jan 2009.
- ArchiMate : Its Time Has Come? Enterprise Architecture Demystified. Posted by snair007 on August 3, 2008
- The ArchiMate Forum
- ArchiMate 1.0 Specification
- ArchiMate 2.0 Specification
- Marc Lankhorst (2004) "ArchiMate – Integrating and Visualizing Architecture", PowerPoint presentation) Telematica Instituut.
- The Open Group (2009), ArchiMate 1.0 Specification. ISBN 978-90-8753-502-5.
- The Open Group (2009), ArchiMate 1.0 Specification - online.
- The Open Group (2012), ArchiMate 2.1 Specification - online.
- Marc Lankhorst et al. (2005). Enterprise Architecture at Work - Modelling, Communication and Analysis. Berlin: Springer-Verlag.
- Marc Lankhorst and Hans van Drunen (2007). Enterprise Architecture: Development and Modelling Combining TOGAF and ArchiMate
- Marc Lankhorst (ed.) and the ArchiMate team (2004) ArchiMate Language Primer. Enschede: Novay.
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