The Ethernet Alliance released its 2026 Ethernet Roadmap, providing a detailed guide mapping the advances and market shifts set to shape high-performance networking.

Unveiled at the group’s Technology Exploration Forum (TEF) in Mountain View, California, the roadmap details how the networking standard aims to continue supporting AI's exponential growth with speeds reaching 1.6 Tb/s (1.6T).

“A half-century down the road, Ethernet has reached its next turning point,” Ethernet Alliance Chair Peter Jones noted in a statement. “The 2026 Ethernet Roadmap shows how Ethernet is staying ahead of network changes, delivering the correct mix of performance, power, and flexibility as AI becomes central to what we do every day.”

AI was top of line for the latest edition of the association’s roadmap, with hyperscalers highlighted for their increased interconnect deployments ranging from 100 Gb/s (100G) to 800G to support AI training and inference.

In 2025, Ethernet took the crown for the most populous interconnection technology in the supercomputing world, while Dell’Oro Group data published this year projects Ethernet to dominate the data center-scale fabric space in the coming years.

But beyond high-performance backends, the Ethernet Alliance suggests AI workloads will reshape data infrastructure across industries, with the roadmap showcasing telecom carriers' use of optical transport networks to power 5G and AI services as a flagship example.

The roadmap suggests that such technologies, including linear pluggable optics (LPO) and linear receive optics (LRO), will emerge as key technologies in 2026, offering power consumption reductions of up to 50% compared to traditional retimed optical modules. The concept of power consumption also saw the Ethernet Alliance suggest the Ethernet industry is pursuing multiple strategies to reduce energy footprint, including new PHY technologies, advanced copper and optical interconnects, and intelligent traffic management systems.

The roadmap extends its vision beyond 1.6T to 3.2T and even higher speeds, with ever-increasing performance peaks being driven primarily by AI and machine learning workloads.

The roadmap also points to the eventual rollout of Wi-Fi 7, and the development of standards around Wi-Fi 8, further emphasizing Ethernet's likely critical role as the high-speed, low-latency backbone supporting wireless networks.