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by Justin Wilsonj2
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Fat Rail vs Thin Rail in AI compute clusters

July 1, 2026 by j2sw

We are starting to hear about “Thin” and “Fat” rails in AI fabrics.  These are just another way to say a connection from compute into the Fabric.  The link either has sufficient capacity (Fat) or insufficient capacity (Thin). A thin rail provides the node with a single path into the fabric. That may be one … Read more

Categories Internet Architecture Tags ai, cluster, compute, fabric, fat rail, thin rail

FD-IX Explainer video on Internet Peering and exchanges

March 15, 2026June 8, 2019 by j2sw

Explainer video about what an Internet exchange point (IXP) is and how peering works.  Making the internet better through peering.

Categories Internet Architecture Tags bgp, exchange, fabric, internet, IX, peering, transit 1 Comment

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