9 Computer hardware and software systems for use in network management; computer hardware and software systems for use in and with data centers; computer hardware and software systems for use in data switching networks; computer hardware and software for routing data between servers, particularly between servers in a data center; computer servers and computer server arrays; storage devices, namely, hard disc drives, hard disc drive arrays and digital memory devices; computer and computer network routers; network gateways, namely, gateway routers in the nature of computer control hardware; switches, namely, computer network switches; apparatus for linking computers into computer networks, namely, wired and wireless adapters; apparatus for network communication networks, namely, telecommunications base station equipment for cellular and fixed networking and communications applications; apparatus for telephone networks, namely, telephone transmitters and receivers; apparatus for transmitting data by the telephone network, namely, telephone call routers; apparatus for use in communications networks, namely, data routers and data switches; optic fiber cable networks incorporating fiber optic cables; capacitance resistance networks for telecommunications; communication devices for linking computer networks, namely, wired and wireless adapters; communications network hardware for networking computers; downloadable instructional materials, namely, manuals, guides, test materials and magazines in the fields of network communications and the implementation, operation and management of local, wide and global networks and switching networks in particular switching networks within data centers