This document provides an overview of virtual desktop infrastructure (VDI) and its key components. VDI allows centralizing desktops in a data center for easier management, security and updates. It discusses the virtualization layer, connection brokers, client devices and remote access options. Live demos show examples of VDI solutions from VMware and Citrix. Benefits include cost savings, security, mobility and disaster recovery. Requirements like network performance, storage and connectivity are also reviewed.