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samenvatting EA
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Samenvatting van 15 pagina's voor het vak Enterprise Architecture aan de HW (samenvatting EA)
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IT architecture definitionBestaande uit principes en modellen die sturing geven op het ontwerp en de realisatie van
processen, organisatie structuur, informatie en technische infrastructuur van een organisatie.
Architectuur definities
IEEE 1471‐2000
o An architecture is the fundamental organization of a system embodied in its
components, their relationships to each other, and to the environment, and the
principles guiding its design and evolution.
o Aimed at result ‐ not the process
OIAM : Open Infrastructure Architecture Method
BEA, Beheren onder Architectuur(bart de best)
o Architectuur is gezien vanaf een bepaald aspect bv;
Informatie
Techniek
Process
Management(onderhoud)
GRAAL : Guidelines Regarding Architecture Alignment
o Ontwerpen = voorbereiden voor een actie
o Eerst denken dan doen.
o Uitkomst is een specificatie wat je gaat doen
o Architectuur is spreken over componenten en hoe ze verboden zijn, en hoe ze nuttig
zijn.
IT infrastructure definition
Een set of generieke voorziening die de technisch ondersteunende functie voorziet op het geheel van
IT‐toepassingen van een organisatie.
, Infrastructuur architecture definition
is het volledig, consistent en samenhangend geheel van methoden, regels, modellen en
instrumenten, die de herinrichting, migratie en implementatie van de technische infrastructuur van
een organisatie begeleidt op basis van een visie.
What does IT architecture do?
Make complexity manageable by
Structuring
o “Land use planning in the digital world”
Abstracting
o Omit all irrelevant information
o Just the essence
Modelling
o Decomposition in components (functional and technical)
o Relations between components
o Principles
IT Architecture Standardization
• For effective modeling and communication standardization is needed:
– Architecture methods
– Language and
– Tools
• We use
– TOGAF
– Archimate
– OIAm (Open Infrastructure Architecture method)
Doel van EA
Om een adequate, geschikte IT infrastructure ontwerp te maken op een gestructureerde manier.
NIST: National Institute of Standards and Technology
EAP: Enterprise Architecture Planning
FEAF: Federal Enterprise Architecture Framework
TISAF: Treasury Information System Architecture Framework
TEAF: Treasury Enterprise Architecture Framework
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