What is A-GW (Access Gateway)?

Access Gateways allow IT, administrators, to provide remote or guest access to a network and its applications. Usually hardware appliances, access gateways supply bandwidth management as well as guest Internet usage monitoring and control. An Access gateway is a device or an assembly that transforms data that is received from a device or user into a format that can be used by the network. An access gateway can adjust the modulation, protocols, and timings between two communication devices or networks.