Early data networks allowed VPN-style remote connectivity through dial-up modems or through leased line connections utilizing Frame Relay and Asynchronous Transfer Mode (ATM) virtual circuits, provisioned through a network owned data being transmitted by the creation of logical data streams.
Early data networks allowed VPN-style remote connectivity through dial-up modems or through leased line connections. These leased line connections were utilizing Frame Relay. These leased line connections were utilizing Asynchronous Transfer Mode (ATM). Virtual circuits streams Asynchronous Transfer Mode. Virtual circuits were provisioned through a network. This network was owned data being transmitted by the creation of logical data.