IT & HPC Glossary

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

I

InfiniBand

A high-bandwidth, low-latency networking technology with native RDMA support, widely used in HPC clusters and AI training infrastructure.

IOPS

Input/Output Operations Per Second — a key storage performance metric measuring random read/write operation throughput.

iSCSI

Internet Small Computer Systems Interface — a protocol enabling block-level SAN storage access over standard TCP/IP Ethernet networks.

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