IT:QD:Enterprise Architecture
- See also:
Summary
Notes
What is an Enterprise?
It is any collection of organisations that have a common set of Goals.
Enterprise Architecture covers a collection of * systems* for a collection of functional groups.
What is an Enterprise Architecture Framework?
An architecture framework provides: * method to describe a target state in terms of building blocks and how they fit together. * a set of tools and common vocab. * a list of recommended standards and to implement the building blocks.
Why Enterprise Architecture?
* To provide a strategic context in which to use and evolve IT resources in order to optimize fragmented [manual/automated] processes across the Enterprise into an integrated environment that is:
- Responsive to change
- Supportive of the delivery of the business strategy.
* to return a better investment, reduce risk for future investment.
- More efficient Business:
- Lower business operation costs
- More agile organisation
- BUsiness capabilities shared across the organisation
- Lower change management costs
- Improved business productivity
- More efficient IT:
- Lower software costs
- Increased portability
- Improved security
- Improved upgradeability
- More efficient Investment:
- Reduce complexity
- Maximize investment
- Improve procurement flexibility (and subsequent integration)
- More efficient Procurement:
- Simpler to decide due to better information
- Faster procurement
- Procure Multi-Vendor Open Systems
- Obtain economies of scale.