RoCEv2 on Rik Kisnah - Bloghttps://www.rik-kisnah.ai/tags/rocev2/Recent content in RoCEv2 on Rik Kisnah - BlogHugoenTue, 15 Sep 2026 09:00:00 -0700The 2026 GPU Field Guide: H200, B200, B300, GB200, GB300, Vera Rubin, MI3xx and Helios, From the Chip to the Rackhttps://www.rik-kisnah.ai/posts/ai-gpu-field-guide-2026/Tue, 15 Sep 2026 09:00:00 -0700https://www.rik-kisnah.ai/posts/ai-gpu-field-guide-2026/A blueprint for how the 2026 GPU SKUs fit together, from seven years of testing what the datasheet promises against what the data center delivers: chip design, the 8-GPU box, the NVL72 and Helios racks, watts and water, the two networks, what breaks, and the commands I run before I sign off a delivery.RDMA, RoCEv2 and InfiniBand, Explained to a Ten-Year-Old (and to the New Grad on My Team)https://www.rik-kisnah.ai/posts/rdma-roce-infiniband-for-a-ten-year-old/Sat, 12 Sep 2026 09:00:00 -0700https://www.rik-kisnah.ai/posts/rdma-roce-infiniband-for-a-ten-year-old/What RDMA is, why InfiniBand and RoCEv2 are two roads for the same traffic, which one OCI drives on, and why OCI now gives every GPU four roads instead of one. Short, with pictures, no prior networking needed.