Designing AI-Centric Cloud Architectures in 2026: GPUs, Neoclouds, and the Network Bottleneck
Standard cloud doctrine says: “Span multiple Availability Zones (AZs) for reliability.” In AI training, that doctrine will bankrupt you. I recently audited a cluster of 128 H100s running at only 35% utilization. The hardware wasn’t broken. The team had simply followed the AWS “Well-Architected Framework” and spread the nodes across three AZs. In a web…