This document discusses mobile device management (MDM) and provides an overview of key concepts. It describes the challenges of managing mobility in enterprises and different MDM approaches, such as those from Microsoft, HP, and others. The document outlines the benefits of MDM, including improved security, lower costs, and easier administration and deployment of applications. It also provides details on Microsoft's System Center Mobile Device Manager solution, covering components like enrollment servers, VPN, and how it extends management capabilities to mobile devices.