Programming a cluster that fits in a room

Is there a term for a cluster where all the machines are in a room and separated by at most 2-3 routers ? ('distributed systems' often seem to imply internet scaled latency)

Anyway, is there a good book on programming Rust for such situations ? Where (1) there is more than 1 machine (2) but the cluster is physically close by and has low latency.




Cassandra uses the term "rack" for this: Data replication | Apache Cassandra 3.x (

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