# Arista unveils rack‑scale Ethernet portfolio for AI fabrics

> Arista Networks announced an open Ethernet rack‑scale portfolio aimed at high‑density AI workloads, built with partners like AMD and Microsoft.

Oossa · 2026-10-07 · https://oossa.com/en/arista-unveils-rack-scale-ethernet-portfolio-for-ai-fabrics

Arista Networks said on Oct 7, 2026 it is releasing an open Ethernet rack‑scale portfolio for AI infrastructure. The platforms support both scale‑up (single large chassis) and scale‑out (multiple racks) designs. Arista worked with compute partners including AMD, Arm, Broadcom, d‑Matrix, Meta, Microsoft and Qualcomm. The effort is part of the Ethernet for Scale‑up Networks (ESUN) initiative.

## The facts

- Announcement date: Oct 7, 2026
- Partners: AMD, Arm, Broadcom, d‑Matrix, Meta, Microsoft, Qualcomm

## Why it matters

The portfolio gives data‑center operators a standardized, high‑density networking option for building larger or more flexible AI clusters.

## Sources & references

1. [Arista Announces Rack-Scale Architectures for Scale-Up and Scale-Out AI Fabrics](http://www.businesswire.com/news/home/20261007717725/en/Arista-Announces-Rack-Scale-Architectures-for-Scale-Up-and-Scale-Out-AI-Fabrics/?feedref=JjAwJuNHiystnCoBq_hl-WsGkFyUNMTSNrPsg57HLEqqcp-o_pnudlUwsb5apQ1S4gUE65BTfjH3-pSuqdv0gW3cb3F4oTIgUqCPafFkgu5AneicJQDNboWvodvG82E0) – Business Wire, 2026-10-07
2. [Upscale Introduces Token Fabric, the Industry's Most Comprehensive Standards-Based Networking Portfolio for AI Factories](http://www.businesswire.com/news/home/20261008869540/en/Upscale-Introduces-Token-Fabric-the-Industrys-Most-Comprehensive-Standards-Based-Networking-Portfolio-for-AI-Factories/?feedref=JjAwJuNHiystnCoBq_hl-WsGkFyUNMTSNrPsg57HLEqqcp-o_pnudlUwsb5apQ1S4gUE65BTfjH3-pSuqdv0gW3cb3F4oTIgUqCPafFkgu5AneicJQDNboWvodvG82E0) – Business Wire, 2026-10-08

Last updated: 2026-10-08