Enterprise Architecture Application

Enterprise architecture application
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Table of Contents
Introduction..................................................................................................................................................................... 2
ArchiMate and TOGAF standards.................................................................................................................................... 3
Background...................................................................................................................................................................... 4
Architectural version........................................................................................................................................................ 5
Business architecture........................................................................................................................................................ 7
Information system architecture (application).................................................................................................................. 9
Information system architecture (data)............................................................................................................................. 9
Technology Architecture................................................................................................................................................... 9
Opportunity & solution migration planning................................................................................................................... 10
Conclusion..................................................................................................................................................................... 10
Introduction
This fictitious Case Study illustrates the realistic use of the ArchiMate enterprise modelling
language in the context of the TOGAF framework. The Case Study concerns the insurance
company ArchiSurance, the result of a merger of three previously independent companies based
in different metropolitan areas.
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This Case Study shows Baseline and Target Business, Application, Data, and Technology
Architectures, making use of the appropriate ArchiMate or TOGAF viewpoints. The study
incorporates two change scenarios: Rationalization and Digital Transformation will be
investigated.
ArchiMate and TOGAF standards
Frameworks for Enterprise Architecture cover different aspects of architecture practice. They
may have, among others, any combination of the following ingredients:
• A method for creating architectures
• A set or classification of viewpoints
• A language for describing architectures including language element definitions and notations
The Open Group maintains two open standards for Enterprise Architecture: the TOGAF
framework and the ArchiMate modeling language. The core of the TOGAF framework is a
method for Enterprise Architecture development and implementation: the Architecture
Development Method (ADM). The TOGAF framework also describes viewpoints, techniques,
and reference models, as well as a content framework that identifies the types of building blocks
that make up an architecture. However, the TOGAF framework does not prescribe the use of a
specific modeling language to create architectural views.
The ArchiMate standard is a graphical language that provides a uniform representation for
models that can support the complete architecture development cycle. The ArchiMate 3.0
Specification consists of a core language, aimed at the description of Business, Information
Systems, IT, and physical Technology Architectures, and their inter-relationships. The ArchiMate
3.0 Specification also contains elements to model business and technology strategy; motivations
driving architecture development; and plans for architecture implementation and migration.
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