This document discusses Cisco's 16G MDS and 10/40G FCoE switches for building next generation data center storage area networks (SANs). It introduces Cisco's new 16G MDS family for deploying small, medium, and large SANs including the MDS 9148S, MDS 9396S, and MDS 9700. It also discusses using 10/40G Ethernet to converge IP and Fibre Channel storage traffic and provides an example of a large-scale converged Ethernet deployment with the Nexus 7700 and 7000 series.