In a recent issue of Operating System Review, Hayter and McAuley (1991) arguethat future high-performance systems trade a traditional bus-based organization for one where all components are linked together by network switches (the Desk-Area Network). In the issue of Operating System Review, Leslie, McAuley and Mullender conclude that DAN-based architectures allow the exploitation of shared memory on a wider scale than just a single (multi) processor. In the paper, the authors will explore how emerging 64-bit processors can be used to implement shared address spaces spanning multiple machines.
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