TLDR: You can build the same logical AI fabric on five different vendor stacks — Spectrum-X, Tomahawk, Jericho3-AI + DDC, Cisco Silicon One G200, and Arista EOS. They are not interchangeable. This is the procurement view: what each vendor sells, who actually buys it, and the side-by-side comparison you'll do at RFP time.
TLDR: New site, built for network engineers entering AI. Deep modules + fast blog + zero vendor noise. First module drops soon.
Welcome to Lossless Network — AI networking, distilled for network engineers.
If you've ever tried to design or operate a network fabric for large-scale AI training, you've felt the gap. The standards are public. The vendor whitepapers exist. But nowhere is there a single, opinionated, technically honest walkthrough of how the pieces fit together — written by a network engineer, for network engineers — and why some choices that look right on paper fall apart at scale.