Information Technology Infrastructure

Defining IT Infrastructure IT Infrastructure as the shared technology resources that provide the platform for the firm’s specific information system applications. IT Infrastructure includes investment in hardware , software , & services such as consulting ,education, training that are shared across the entire firm or across entire business units in the firm.

Evolution of IT Infrastructure : 1950-2007 Electronic Accounting Machine Era :1930-1950

A Multitiered Client/Server Network(N-Tier) Sales Producing Accounting HR Web Server Client Application Server Data A Multitiered Client/Server Network(N-Tier)

Technology Drivers of Infrastructure Evolution Moore’s Law & Micro processing Power Given by Gordon Moore in 1965 The number of components on a chip with the smallest manufacturing costs per component had doubled each year. Later reduced the rate of growth to a doubling every two years Nanotechnology

The Law of Mass Digital Storage

Declining Communications Costs & The Internet Standards & Network Effects

Infrastructure Components

Hardware Platform Trends & Emerging Technologies The Integration Of Computing & Telecommunications Platforms Grid Computing On-Demand Computing Autonomic Computing & Edge Computing Virtualization & Multicore Processors

Software Platform Trends & Emerging Technologies Linux and open-source software Java Enterprise software Web services and service-oriented architecture Software Outsourcing

Management Issues Dealing With Infrastructure Change Management & Governance Making Wise Infrastructure Investments

Total Cost Of Ownership Of Technology Assets

Hands On MIS Improving Decision Making : Making The Rent vs Buy. Buy for Hardware & Software Improving Decision Making : Using a Spreadsheet to Evaluate Hardware & Software Options

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