SDN: How software has (re)defined networking
By Andrea Knoblauch
Over the last few years we’ve seen just about every part of the data centre move towards virtualisation and software. First we virtualised desktops, then storage, then even our security tools. So when the idea of software defined networking (SDN) started being floated around, it wasn’t a big surprise. But what exactly is it?
SDN’s early roots can be likened...