Welcome to the 33rd iteration of the IEEE Hot Interconnects symposium. HotI’2026 will be held virtually. 2026 Conference Theme Scale-Up, Scale-Out, Scale-Across: Do they really differ? Complex high-capacity training and disaggregated inference workloads are being scaled-across multiple sites, blurring the lines between contemporary scale-out and scale-up interconnection stacks. All the classical issues, such as jitter, …
