Tags: Interconnect

China's State Administration for Market Regulation has opened an investigation into NVIDIA's $6.9 billion purchase of Mellanox, asserting that the deal violated national antitrust laws and the conditions China set when it approved the takeover. While no penalties have been announced, the regulator’s preliminary findings were kept confidential until now, coinciding with U.S.–China trade talks in Madrid. The original acquisition was announced in 2019 and approved by Chinese authorities the following year on the basis that NVIDIA would continue supplying GPUs and interconnect products under “fair, reasonable, and non‑discriminatory” terms. Ler mais

Huawei revealed plans to open source its UB‑Mesh interconnect, a system that combines a CLOS‑based backbone with multidimensional rack‑level meshes to streamline communication among CPUs, GPUs, memory, and networking equipment in massive AI data centers. The company claims the design can keep costs low even at scales of thousands of nodes, citing an 8,192‑node deployment and bandwidth exceeding one terabyte per second per device with sub‑microsecond latency. Huawei chief scientist Heng Liao said the protocol will be published with a free license at an upcoming conference, while industry observers note the challenge of gaining broad adoption amid existing standards and geopolitical concerns. Ler mais