Computer hardware and software for setting up and configuring local area networks; Computer hardware and software for setting up and configuring wide area networks; Computer hardware for communicating audio, video and data between computers via a global computer network, wide-area computer networks, and peer-to-peer computer networks; Computer network adapters, switches, routers and hubs; Computer network hubs, switches and routers; Computer network switches; Computer networking hardware; Computer software for administration of computer local area networks; Computer software for administration of computer networks; Computers for network management; LAN (local area network) access points for connecting network computer users; LAN (local area network) hardware; LAN (local area network) operating software; Network routers; Telecommunications and data networking hardware, namely, devices for transporting and aggregating voice, data, and video communications across multiple network infrastructures and communications protocols; VPN (virtual private network) hardware; VPN (virtual private network) operating software; WAN (wide area network) hardware; WAN (wide area network) operating software; Wide area network (WAN) routers; Wireless adapters used to link computers to a telecommunications network