<p>➀ Broadcom launched the Tomahawk Ultra, a 51.2Tbps Ethernet switch chip optimized for small packet sizes and ultra-low latency (250ns), targeting HPC and AI clusters;</p><p>➁ The chip challenges NVIDIA's NVLink and InfiniBand by offering 'Scale-Up Ethernet' (SUE) with features like in-network collectives, compressed headers, and lossless fabric technology;</p><p>➂ Pin-compatible with Tomahawk 5 and shipping alongside Tomahawk 6, it emphasizes scalability for AI workloads while maintaining Ethernet compliance.</p>