1.
Information architecture is a general plan of how IT is to be used by/within an organisation – useful for planning
Information infrastructure is the actual implementation that will provide for effective Information Systems, including the hardware, software, services and people involved.
You use information architecture to plan and then use the information infrastructure to implement the planed information systems.
2.
To implement a solid information architecture a organisation should concentrate on 1. back up and recovery, 2. disaster recovery and 3. Information security.
3.
The 5 required characteristics of infrastructure architecture is.
Flexibility: systems must be flexible enough to meet all types of business changes.
Scalability: how well a system can adapt to increased demands.
Reliability: ensures all systems are functioning correctly and providing accurate information.
Availability: when systems can be accessed by users, preferably for long periods of time.
Performance: how quickly a system performs a certain process or transaction.
4.
A Service oriented architecture allows enterprises to plug in new services or upgrade existing services in a granular fashion. This means they will respond more quickly and more cost-effectively to changing market-conditions.
5.
Events are the eyes and ears of the business expressed in technology. They detect threats and opportunities and alert those who can act on the information. Uses IT systems to monitor a business process for events that matter.
6.
Services are more like software products than they are coding projects. They must appeal to a broad audience and they need to be reusable if they are going to have an impact on productivity.
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