Bull and Kalray Partner on AI-Era Networking Technologies
The strategic alliance targets Ultra Ethernet compatibility for supercomputers, AI factories, and cloud infrastructure at scale.
Bull, a leader in advanced computing and artificial intelligence, and Kalray, a specialist in hardware and software technologies for high-performance computing and data infrastructure, have announced a strategic partnership focused on networking technologies for AI and HPC infrastructures.
The Grenoble-based Bull and the Euronext Growth Paris-listed Kalray will collaborate on Ultra Ethernet compatibility, described as an open standard with potential to shape networking for future generations of supercomputers, AI factories, and large-scale cloud infrastructure. The partnership reflects intensifying competition in the infrastructure layer supporting artificial intelligence workloads, where networking performance has become a critical bottleneck.
The two companies aim to accelerate innovation in AI networking and deliver solutions addressing performance, scalability, and efficiency requirements of demanding computing environments. The collaboration signals both companies' commitment to developing interoperable standards rather than proprietary approaches—a strategic positioning that could influence procurement decisions across hyperscalers and enterprise data center operators evaluating next-generation infrastructure.
For Bull, the partnership expands its networking footprint beyond traditional computing domains into the accelerating AI infrastructure market. For Kalray, the alliance with an established player in advanced computing provides leverage in promoting Ultra Ethernet compatibility as an industry standard, potentially strengthening its position in the competitive HPC and data infrastructure segment.
The timing reflects broader industry momentum around open networking standards as cloud providers and AI infrastructure builders seek to reduce vendor lock-in and optimize total cost of ownership. Success in establishing Ultra Ethernet compatibility as a preferred standard could position both companies as essential infrastructure providers during a period of sustained AI infrastructure investment.