Enterprise Architecture 3

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A rock pile ceases to be a rock pile the moment
a single man sic contemplates it, bearing
within him the image of a cathedral - Antoine
de Saint Exupery, author and aviator (1900-1945)
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Information Systems Architecture

• a blueprint that provides the top-down
  structure into which data and systems must fit
  (Parker/Trainor/Benson)
• ...the framework upon which applications are
  designed and implemented. (Boar)
• ...the blueprints, drawings or models...which
  define and describe what is needed...design and
  implementation work is initiated after
  architecture (Spewak)
• A framework for overall information systems
  design describing applications, data and
  technology

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The Zachman Information Architecture Framework
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Professor Len Fertucks ISA Framework
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Framework for 3-tier C/S Development
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(No Transcript)
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The Gartner Group Information Technology
Architecture
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Index Architecture Framework
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Architecture Dimension Model
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Architecture Dimension Model - revised
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Enterprise ArchitectureIntegrated Repository
Framework
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• Enterprise Architecture is built with models as
  a house is built with stones
• - but a collection of models is no more an
  Enterprise Architecture than a heap of stones
  is a house.
• (with apologies to Poincare)