This document discusses how data center requirements have changed and are driving transformation, including the need for flexibility, agility, high performance, security, and simplified management. It introduces Cisco's Unified Computing System (UCS) as a solution that addresses these new requirements through a stateless, policy-based approach using service profiles. Service profiles abstract server identity and configuration from physical hardware, allowing for improved hardware utilization, workload mobility between servers, and dynamic provisioning to quickly align resources with changing business needs.