Keysight demonstrates ethernet tech with Broadcom, Alibaba

Keysight Technologies, Broadcom, and Alibaba have come together to demonstrate multi-vendor interoperability of Link Layer Retry (LLR) technology at the 2026 OCP Global Summit in San Jose. The demonstration showcases the operation of LLR across 200G and 100G SerDes implementations, along with Credit-Based Flow Control (CBFC) at 100G SerDes.

The technology is aimed at supporting Ethernet-based AI scale-up networks. Asad Khamisy, Senior Vice President and General Manager of Broadcom's Core Switching Group, highlighted the potential of Ethernet in enabling high-performance scale-up connectivity for AI systems. Dennis Cai, VP of Engineering and Head of Network Infrastructure at Alibaba Cloud, noted that the demonstration provides validation in a hyperscale implementation.

Keysight's scale-up validation solutions provide conformance, interoperability, and performance testing for LLR and CBFC technologies. The demonstrations are being showcased at Booth C83 at the San Jose Convention Center.

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