Current networking architectures are quite different from the Original Internet as we know it, they are hungry for services and applications that can’t be supported by normal Internet devices and technologies. For example, the explosion of mobile devices and content, server virtualisation and the advent of cloud services are one of the main change driven technologies for a new Internet that is able to support these various kinds of technologies without having to increase the complexity of the network.

Many Conventional networks are hierarchical, built with tiers of internet switches arranged in a tree structure, such design made sense when the client­server computing was dominant, but such a static architecture is not so dynamic when it comes to computing and storage needs of today datacenters, campuses and carrier environments or to flexible change in the network (Change­As­A­Service)…