This document describes the use of Cisco technology to provide a robust data center environment for enterprise serverfarms. The document reviews and references established best practices while offering new methods for improving the availability, scalability, and security of the server and its applications. The design referenced in this document heavily uses both server and network virtualization technologies to achieve the aforementioned goals. In addition, the data center benefits from the well-known by-products of virtualization namely—improved infrastructure utilization and overall operational efficiency gains.