Virtual networking has been one of the hottest areas of research and development in recent years. Kubernetes alone has, at the time of writing, 20 different networking plugins, some of which can be combined to build even more plugins. However, if we dig a bit deeper, most of these plugins and solutions are built out of two very simple constructs: a virtual switch - anything from a linux bridge through VPP and IOVisor to OVS ACL/NAT - most commonly implemented as iptables, with anything from n...
