Single address space or private address spaces?
Jacques Mossière, Xavier Rousset de Pina · 1994
The appearance of 64 bit address space architectures (DEC Alpha, HP P/A RISC and MIPS R4000), has fostered interest in single address space operating systems. Examples of such implementations are Opal[Chase 1994], Angel[Murray 1993] and Mungi[Heiser 1993]. They all offer the following advantages: