Share network resources and reduce costs while providing secure network services to diverse user communities Presents the business drivers for network virtualization and the major challenges facing network designers today Shows how to use virtualization designs with existing applications, such as VoIP and network services, such as quality of service and multicast Provides design alternatives for different real-world deployment scenarios, with configuration examples and case studiesA Today"s enterprises have several groups of users with specific needs. The differences between these groups translate into specific network requirements. Within some organizations, these requirements are so dissimilar that the different groups need to be treated as totally separate customers by the enterprise"s IT department. As the number of groups increases, keeping them separate and secure is a...