Computing networks of tomorrow will be evolving meshes of different processors, various legacy and newer hardware, and numerous software and operating platforms spanning generations - making it costly, bordering on impossible, to rely solely on human programmers to build and manage so many diverse systems.
The ancient Greeks believed that, above the terrestrial sphere, the universe was filled with a mysterious element called ether or aether - the ‘fifth element'. In 19th century physics, ether was believed to be the substance that filled all of space, basically an undefined thing like
'dark matter' that is necessary or the universe does not make sense.