Fujitsu, 1Finity and Arrcus Forge Strategic Alliance to Advance Next-Generation AI Network Infrastructure

Fujitsu, 1Finity and Arrcus Form Strategic Partnership to Advance AI Network Infrastructure

On September 3, 2025, Fujitsu Limited, its subsidiary 1Finity Inc., and Arrcus Inc. announced a strategic partnership aimed at enhancing network solutions tailored for AI infrastructure. This collaboration focuses on delivering advanced networking capabilities to Japan and global markets, supporting the increasing demands generated by AI-driven data traffic.

As AI applications become more widespread and complex, data transfer volumes surge, creating a pressing need for networks that seamlessly connect data centers, cloud platforms, 5G/6G networks, and edge computing environments. Arrcus specializes in Ethernet-based routing and switching platforms with a Network Operating System (OS) that unifies management across data centers and multi-cloud setups. This software operates on generic white box hardware, offering flexibility and cost efficiency, with some customers reporting over 40% reduction in total cost of ownership.

Partnership Details and Market Focus

Through this partnership, 1Finity will distribute the full suite of Arrcus solutions and collaborate closely to develop global go-to-market strategies. The initial emphasis will be on Japan’s network operators, enterprise clients, and data center operators. The collaboration extends beyond Fujitsu’s internal ecosystem to include global partners, aiming to provide comprehensive solutions from network design to maintenance and operations through managed services.

Fujitsu will leverage its extensive customer base and expertise in AI services and computing to offer scalable, flexible network solutions. Combining Arrcus's software strengths with Fujitsu's AI and computing technologies positions the alliance as a provider of next-generation infrastructure services worldwide.

Industry Perspectives

Shekar Ayyar, Chairman and CEO of Arrcus, highlighted the importance of integrated innovation in software, silicon, and optics for AI data centers and 5G/6G edge networks. He expressed enthusiasm about the partnership’s potential to deliver value to enterprises, service providers, and cloud operators globally.

Masaaki Moribayashi, Corporate Executive Officer at Fujitsu and CEO of 1Finity, emphasized the critical role of networks in handling AI data transfer. He noted Arrcus’s Network OS software as a key component to offering high-performance, optimal network solutions to meet evolving customer needs.

About the Companies

Fujitsu

Fujitsu aims to build trust in society through innovation and drive sustainability transformation. With 113,000 employees worldwide, Fujitsu focuses on five key technologies: AI, Computing, Networks, Data & Security, and Converging Technologies. For the fiscal year ending March 31, 2025, Fujitsu reported consolidated revenues of 3.6 trillion yen (US$23 billion) and remains Japan’s leading digital services company by market share.

1Finity

1Finity, a Fujitsu company, delivers communication network solutions that combine open optical and wireless technologies, network automation, and applied AI/ML. The company partners with ecosystem players to help service providers and network operators reduce costs, improve performance, and enhance energy efficiency.

Arrcus

Arrcus provides networking software designed for scalability, performance, and reliability. Their disaggregated approach enables enterprises to move beyond traditional monolithic systems toward flexible and efficient network architecture. Headquartered in San Jose, California, Arrcus’s team includes leading technologists and industry experts driving innovation in core, edge, and multi-cloud routing and switching infrastructure.

For executives seeking to understand how AI infrastructure is evolving, this partnership illustrates the convergence of software innovation and network hardware flexibility, addressing the increased demands of AI data traffic and next-generation connectivity.