The ACTS ATM Internetwork is an ARPA research network providing wide area Asynchronous Transfer Mode (ATM) connectivity. It connects several DoD High Performance Computing centers (a subset known as the DREN Testbed) and the MAGIC and ATDnet gigabit testbeds. The ATM cell relay service is being provided by Sprint using NEC switches. Fore ASX-200 switches provide the demark at each site.
ARPA is supporting research on this network in the areas of: