Architects' Tech Alliance

Sep 2, 2026 · Artificial Intelligence

7 Scale-Up Interconnect Technologies for AI Supernodes: UALink, SUE, EthLink & More

This article analyzes seven emerging Scale-Up interconnect technologies—UALink, SUE, ESUN, EthLink, ETH+, ETH-X, and CLink—that aim to replace proprietary NVLink for connecting hundreds of XPUs in AI supernodes, detailing their protocol stacks, header optimizations, and industry backing.