Architectures d'Entreprises

par Dr. Salah BAINA

Références
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Ouvrages :
Vernadat, F. B. Enterprise modelling and integration: principles and applications Chapman & Hall. ISBN: 978-0-412-60550-5, 1996 AMICE CIMOSA: Open System Architecture for CIM SpringerVerlag, 1993 O'Rourke, C., Fishman, N. & Selkow, W. Enterprise Architecture Using the Zachman Framework 2003

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Article:
Sowa, J. F. & Zachman, J. A. Extending and Formalizing the Framework for Information Systems Architecture. IBM Systems Journal,, 1992, Vol. 31, pp.-590
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A quoi ça sert ?
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EA: a “bird-eye” view on the organization
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Updating strategic vision (agility & reactivity) Enterprise performance and efficiency Complexity and change management IT alignment with business needs Information systems city planning Business process management (BPM)

Are made easier with an Enterprise Architecture
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Pourquoi utiliser une AE?
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Is foundational for modern enterprise governance and management Is a communication and management tool Provides a blueprint of:
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What the enterprise does What it knows What it produces/uses/transforms Who does what and when Who is responsible for what And the relationships among these
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Qu'est ce qu'une AE?
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It is a structured construction made of a set of models that describe or even specify the enterprise structure, functionality and behaviour Made of process models, data models, IT models, infrastructure models, economic models, etc.

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Types d'architectures
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Architectures de type 1:
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describe a particular architecture or physical structure
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My_company architecture

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Architectures de type 2:
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present a reference architecture or structure (EAF)
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ARIS, CIMOSA, GRAI, PERA Zachman Framework, MEGA GERAM
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Décomposition de l'entreprise

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