IT Architecture

IT Architecture is a set of rules and policies to govern the use of IT and plots paths for future business. It is not set in concrete and must be reviewed. Usually, a technical guideline rather than a tool for decision making. It has to cope with business uncertainty and technological changes. Evolves over time, is documented and accessible to managers.

Components of IT Architecture

• Business architecture - Processes and activities to meet goals
• Data architecture - How data stores are organized and accessed
• Application architecture - How applications are designed and integrated
• Technology architecture - Hardware and Software infrastructure

Uses and Benefits of IT Architecture

• Maintain a close alignment between IT deliverables and business requirements
• Improve ability to respond quickly to business changes
• Develop closer partnerships between business and IT groups
• Reduce the risk of failed or unnecessary ISs
• Reduce complexity of existing ISs
• Improve efficiency of new IT systems
• Ensure that legal and regulatory requirements are being met