#InfiniBand

A co-packaged-optics engine module suspended just above its open test socket on an evaluation board, corner alignment pins still clear of their holes and a loose fibre shuffle cable coiled beside it

AI Datacenter Interconnects in 2035: Scenarios, Signals, and Falsifiable Predictions

Per-lane bandwidth, Ethernet versus InfiniBand, co-packaged optics, and a scale-up domain that now has to cross a rack boundary are each mid-curve. This article extends five of those curves to 2035 and states in advance what would prove each extension wrong.

By Brecht Corbeel · September 10, 2026 · 19 min read

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