Virtual Switching
The Virtual Switching is a technology allowing multiple switching functions to happen in one physical device or single functional switching to happen in multiple physical devices across network, while in the situation of a real switch, switching is conducted in one physical switch. Virtual switching technology enables a single switch to be used for many different applications. Each different function may have its own discrete performance and security controls. Using virtual switching technology, Service providers can create a dynamic service mix, as desired, without requiring new hardware and enabling the gradual evolution to include new services or a common control plane. Virtual switching is a core concept in the Multi service network switching architecture.
Multi service Switching Forum (MSF) defined an architectural framework for a multiplane system to provide Virtual Switching functions, which provides a high degree of flexibility, simultaneously supporting Asynchronous Transfer Mode (ATM), voice, and Internet Protocol (IP) services, with separate control planes for maximum service efficiency.