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Distributed shared memory
Distributed Shared Memory (DSM), in computer science, refers to a wide class of software and hardware implementations, in which a set of nodes has access to a large shared memory in addition to each node's limited non-shared private memory.
Shared memory architecture may involve separating memory into shared parts distributed amongst nodes and main memory; or distributing all memory between nodes. A coherence protocol, chosen in accordance with a consistency model, maintains memory coherence.
Examples of such systems include:
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