Wired computer networks comprising routers, hubs, modems, switches; optical computer networks comprising routers, hubs, modems, switches; wireless computer networks comprising routers, hubs, modems, switches, interface devices; computer network operating system programs; control units for computer network management; computer network controllers; computer network devices, namely, routers, hubs, modems, switches, interface devices; routers, switches, hubs for wireless, wired and optical data t...