Terminology

• Remote paging: Pages are swapped in and out to remote computers

• Shared memory built on top of the virtual memory of each node

  • No hardware support
  • Unit of sharing is typically a page

• NUMA (non uniform memory access) DSM: Can access data on remote computers, but no replication (and no coherence issues)

• CC-NUMA (cache coherent NUMA) DSM

• COMA (cache only memory architecture) DSM

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