Summary
Summary Design Methods 2 (HBO ICT)
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With this exam you are prepared for the DM2 exam
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By: raouldezoete • 3 year ago
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Functional Design & OIAmThe Problem (This makes infrastructure architecture hard)
Construction is complicated:
– Technology solutions and products
– Topology is complicated and changes all the time
– Instances of facilities are numerous
– One box can do one or more of many things…
Challenges for the Infrastructure Designer:
Dealing with increasing complexity
• Gathering insight
• Obtaining grip on and speed in the design process
Finding effective means of communications
• Dealing with legacy systems
Models make complexity manageable
Structure and abstraction
Goals of OIAm
Making complexity manageable:
• Obtain insight in IT infrastructure
• Obtain grip and accelerate the design process
• Effective way of communication
• BY: Structured approach of the design process
– Set of reusable generic patterns
Advantages of OIAm
• OIAm provides understandable, functional models
• The models clearly shows integration points
• Clear separation of duties architect, designer and builder
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