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[Architecture] What is an Enterprise IT Architecture?

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Damir Tomicic

Posts: 2504
Nickname: damir
Registered: Apr, 2004

Damir Tomicic is Microsoft Regional Director for Germany and INETA Lead
[Architecture] What is an Enterprise IT Architecture? Posted: Dec 9, 2005 3:18 PM
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Ehrwürdiger John A. Zachman fing damit an, nun begab sich daraufhin seit einigen Jahren die Gemeinschaft auf die Suche nach einer allgemeinen Definition für die Beschreibung von IT-Strukturen, Standards, Schnittstellen und gemeinsamen Diensten - zusammengefasst hinter dem Begriff "Enterprise Architecture". Mit Hilfe dieser Definition soll sich der effiziente Einsatz von neuen Investitionen und somit eine direkte Unterstützung der Geschäftszielen eines Unternehmens verdeutlichen und erklären lassen.

Es handelt sich in jedem Fall um eine ganzheitliche Architektursicht, die Skalierbarkeit, Reaktionsfähigkeit, Schnelligkeit und strategische Weitsicht gewährleistet. Eine Vielzahl von Definitionen begleitet diesen, wie viele andere Begriffe auch.

Laut Enterprise Architecture Advisory Group des "US Department of Commerce" gilt folgende Definition:

"...An Enterprise IT Architecture (EITA) is a blueprint that explains how the results of Strategic Planning, Performance Planning, Budgeting, Capital Planning and Investment Control, Security and Privacy, Acquisition, and other related IT and general management processes work together to meet the enterprise's mission and objectives._ It is a process and an integrated framework...."

Laut Institute for Enterprise Architecture Developments dagegen:

"...Enterprise Architecture (EA) is about understanding all of the different elements that go to make up the enterprise and how those elements interrelate..."

Ruth Malan, Bredemeyer Consulting, erklärt:

"... An enterprise is made up of many interacting systems of various kinds. Enterprise Architecture identifies these systems, their key properties, and their interrelationships, and plans for and guides the evolution of the enterprise systems to support and enable the evolution of the enterprise in its pursuit of strategic advantage. ..."

und definiert ganz pragmatisch ...

"... Enterprise Architecture is fundamentally a "system of systems" architecture, while software architecture is a "system of components" architecture ..."

Eines ist sicher: die Entscheider in kleinen Unternehmen werden sich sofort angesprochen fühlen: "Kenn isch, mach isch doch mit links... ". ;-)



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