For many of today's data centers, the existing architecture is not designed for the needs of an increasingly mobile customer base. Users — no matter their location or specific device — are increasingly demanding rich, dynamic content. In this environment, a change in the network architecture is required for Web servers/Internet-facing content. IT organizations need to keep pace with end customer demand while still delivering highly efficient infrastructure. With Web-based applications and services now mission critical, there is a new focus on the end-user experience and the performance and availability of applications.