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CLEAR is an Enterprise Architecture meta-model, framework and method. CLEAR stands for Comprehensive, Landscaped, Enterprise Architecture Representation.

Origins

CLEAR was developed by Atos Origin in order to provide a rigorous Enterprise Architecture framework, meta-model and method aiming at facilitating alignment between an Enterprise's business objectives and the technologies it deploys to realise them.

Overview

Landscapes, Artefacts and Relationships in the modelling part of the CLEAR EA Framework

CLEAR borrows heavily from the Zachman framework for Enterprise Architecture and the TOGAF framework specification. CLEAR is divided into four landscapes which contain artefacts. These landscapes are:

• The Environmental landscape which contains the Business Objectives or Contextual landscape
• The Business landscape which contains the Conceptual Business Architecture
• The Alignment Landscape which contains a functional architecture and services catalogue
• The Technology Landscape which contains all of the technical components necessary to deliver the business services (Software, Hardware and Infrastructure elements)

CLEAR's Services Oriented Alignment layer can be used to provide the specification for a Service-oriented architecture approach.

Meta-model

The CLEAR meta-model contains the above landscapes and artefacts together with a Taxonomy and Ontology to provide traceability and consistency across the architecture.

Framework

CLEAR contains an Information Technology Governance framework and processes for Enterprise Architecture. These are largely derived from the ITIL specification for service management.

Method

CLEAR contains a method for building the Enterprise Architecture itself. This is loosely based on the TOGAF ADM but is claimed as being more focused on the solution of business problem areas rather than on building the Architecture as an end in itself.

Alternative Enterprise Architecture Frameworks

• Zachman framework
• DoDAF
• FEAF
• MODAF
• AGATE
• TOGAF

See also

• Enterprise Architecture
• Business architecture
• Information architecture
• Software architecture
• Technical architecture

Wikipedia content modification information:

• This page was last modified on 31 January 2008, at 17:59.

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