AI clusters Archives

Scale-Up vs. Scale-Out: The Two Networks Inside an AI System

AI systems connect chips at two levels, tightly within a server or rack and more broadly across a cluster. Here is what scale-up and scale-out mean...

Technician inspecting an edge-computing cabinet beside a warehouse conveyor.

Networking4 months ago

RDMA in Plain English: A Q&A on Remote Direct Memory Access

RDMA lets one computer move data straight into another's memory. This question-and-answer guide explains how it works and why AI clusters depend on it.

Optical transceiver modules and fiber connectors beside a network switch.

Networking5 months ago

Ethernet vs. InfiniBand: The Two Main Ways AI Clusters Are Wired

AI clusters are usually connected with either InfiniBand or Ethernet. This explainer walks through what each technology is, where it came from and the tradeoffs builders...