In the data center, the cloud-optimized network connects virtual servers and their application workloads to other virtual servers and to virtual LUNs in storage resource pools, while maintaining secure, load-balanced client access connections to the Web, applications, and databases deployed on virtual machines. The cloud-optimized network connects to virtualized resource pools and physical clients, servers, and storage using a single logical network. Ultimately, a cloud-optimized network can consolidate multiple physical networks onto a common physical infrastructure.

More Here