Spirent and Juniper showcase first public UET test
Spirent Communications and Juniper Networks have completed the first live public demonstration of Ultra Ethernet Transport (UET), marking a significant milestone for the evolving Ultra Ethernet Consortium (UEC) ecosystem.
The demonstration took place at Interop25 Tokyo, where Spirent, Juniper, and Spirent’s long-standing partner in Japan, TOYO Corporation, jointly generated and forwarded UET traffic in a live network environment utilising the Spirent B3 800G Appliance and the Juniper QFX 5240-64OD Switch.
The test topology also included RoCEv2 traffic, demonstrating seamless coexistence and interoperability, and earned the companies a coveted Interop ShowNet Special Prize. The Juniper switch with 800G interfaces successfully recognised and forwarded all traffic types, validating its readiness for UET-based deployments.
As hyperscalers continue to prioritise open, interoperable solutions for AI/ML back-end networks, the significance of the UEC initiative and its innovative approach to delivering AI and HPC performance is becoming increasingly apparent. With the consortium approaching its first official specification release, Spirent and Juniper are playing a pivotal role in driving progress through rigorous real-world validation, helping to strengthen and refine the evolving ecosystem.
“Validating performance and interoperability with emerging transport standards like UET is essential for ensuring next-generation infrastructure can meet the evolving demands of AI-driven networking,” said Praful Lalchandani, VP of Products, Data Center Platforms and AI Solutions, Juniper Networks.
The successful public demonstration highlights Spirent’s ability to emulate and test emerging UET transport standards, as well as Juniper’s capability to support evolving Ethernet technologies. This ensures that customers can validate and future-proof their infrastructure for AI scalability and Ultra Ethernet performance.
“Dramatic growth in AI applications and workloads continues to create challenges for the industry, and this public demonstration illustrates our dedication to helping industry partners to meet these challenges,” said Masatoshi Nishihara, General Manager, Spirent Japan.
“Spirent is committed to supporting emerging standards,” said Nishihara. “By facilitating early adoption and validation of standards with comprehensive testing, Spirent empowers organisations to confidently prepare for the transition to next-generation networking while maintaining performance and reliability in increasingly demanding environments.”
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