 The name is derived from the Japanese anime series "The Super Dimension Fortress Macross"; the original SDF server was a BBS for anime fans.From its BBS roots, which have been well documented as part of the "" project, SDF has grown into a feature-rich provider serving members around the world.The SDF network of systems currently includes NetBSD servers for regular use (running on DEC Alpha- and AMD Opteron-powered hardware) as well as a TWENEX system running the Panda Distribution TOPS-20 MONITOR 7.1, and a Symbolics Genera system.