Introduction to Enterprise I.T. systems. Lecture 1. Definition of an Enterprise System.
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An enterprise system is an interrelated set of information systems (technologies) working together for the purpose of facilitating planning, control, coordination, and decision making in Enterprises to aid in achieving the vision and mission of the organisation
Decision making in enterprise IT is driven by the need to balance a number of different factors apart from technical feasibility.
The way that these are balanced is sometimes called IT governance
Processes designed to ensure the right decisions are made and that all stakeholders, including senior management, internal customers, and departments such as finance, have the necessary input into the decision making process.
There are 5 main factors which impact the decision.
Any I.T. investment within an enterprise will be evaluated in the context of whether it fits into the overall business strategy.
“A company's strategy is its overall plan of development. Corporate strategy can be more formally defined as a comprehensive “long term” plan or action that identifies the critical direction and guides the allocation of resources of an entire organization in order that it will achieve a competitive advantage.“
localised exploitation within individual business functions. The primary objectives addressed are local efficiency and effectiveness;
internal integration between different systems and applications, generally involving not just automation, but also rationalisation, and using a common IT platform. Efficiency and effectiveness are enhanced by coordination and cooperation within the enterprise;
business process redesign, involving more thorough re-evaluation of the enterprise value-chain and the production process, and more far-reaching change.
business network redesign, the reconfiguration of the scope and tasks of the business network involved in the creation and delivery of products and services. Coordination and cooperation extend, selectively, beyond the enterprise's boundaries.
business scope redefinition, involving migration of functions across the enterprise's boundaries, to the extent of changing the organisation's conception of the business it is in.