People have been talking about software defined networking and its related network function virtualization for so long that it must appear to many organizations that everyone else is doing it. But in ...

For decades, networks have been built on the same fundamental principle: dedicated hardware appliances for each network function. Need a firewall? Buy a box. Need load balancing? Purchase another ...

The phrase software-defined networking (SDN) was coined when it was necessary to distinguish the concept from the hardware-based variety. Since that time, "SDN" has come to mean the type of dynamic ...