IT & HPC Glossary

A comprehensive glossary of terms and definitions covering IT infrastructure, high-performance computing, enterprise storage, networking, and data center technologies.

R

RAID

Redundant Array of Independent Disks — a method of combining multiple drives for improved performance, redundancy, or both.

RDMA

Remote Direct Memory Access — a technology enabling direct memory-to-memory data transfer between computers without CPU involvement, critical for low-latency HPC networking.

RoCE

RDMA over Converged Ethernet — a protocol enabling high-performance RDMA communication over standard Ethernet networks.