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GMO Internet Exhibits as a Top Sponsor at JANOG58 Meeting in Matsuyama, One of Japan’s Largest Network Technology Conferences — Showcasing a 400Gbps Live Demonstration and IOWN APN Validation Results; Creating a Forum for Engineers to Discuss the Implementation and Verification of Next-Generation AI Infrastructure —

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GMO Internet, Inc. (President and CEO: Tadashi Ito; hereinafter “GMO Internet”), a member of the GMO Internet Group, will participate as a Top Sponsor at JANOG58 Meeting in Matsuyama (“JANOG58”), to be held from July 15 to July 17, 2026, at the Ehime Prefectural Culture Hall. The company will exhibit under its GPU cloud service brand, “GMO GPU Cloud,” designed for AI development and training infrastructure.
To maximize GPU computing performance in large-scale distributed training environments, low-latency, high-bandwidth networking and stable storage between multiple nodes (servers) are essential. The performance of GPU cloud services is inseparable from network architecture. Through its participation in JANOG, Japan’s largest network engineering community, GMO Internet aims to share and deepen knowledge in this field.
At the GMO GPU Cloud booth, visitors will be able to experience a variety of technology demonstrations, including a live 400Gbps wire-rate networking demonstration and validation data from a distributed AI infrastructure environment utilizing IOWN APN (*1). The booth will serve as a venue for technical exchange and discussion among engineers.
JANOG58 Meeting in Matsuyama
https://www.janog.gr.jp/meeting/janog58/

(*1): IOWN APN (All-Photonics Network) is one of the core technologies comprising NTT’s Innovative Optical and Wireless Network (IOWN) initiative.。

【Booth Exhibits】

At the GMO GPU Cloud booth, exhibits will be presented under the theme of “What Should Network Infrastructure Look Like in the AI Era?” The following demonstrations and presentations are planned. Please note that exhibit content is subject to change.

Exhibit 1: NVIDIA BlueField-3 SuperNIC Live Demonstration — 400Gbps Validation
A live hardware demonstration will showcase the NVIDIA BlueField-3 SuperNIC operating in real time within the booth environment. Visitors will be able to observe live measurements of 400Gbps wire-speed performance and real-time throughput demonstrations.

・NVIDIA BlueField-3 SuperNIC:
https://www.nvidia.com/ja-jp/networking/products/ethernet/supernic/

Exhibit 2: NVIDIA Spectrum-X, First Adopted by a Japanese Cloud Provider — An AI-Optimized Network Architecture
　This exhibit will explain why NVIDIA Spectrum-X, first adopted by a Japanese cloud service provider（※2）, is highly effective for distributed AI training workloads. GMO engineers will provide firsthand insights into the core architectural concepts, including latency reduction through adaptive routing and throughput stabilization in multi-tenant environments.

(*2) June 11, 2024: GMO Internet became the first cloud provider in Japan to adopt NVIDIA Spectrum-X for a generative AI-focused GPU cloud service.
　https://www.gmo.jp/news/article/9005/

Exhibit 3: Measured Results of Remote GPU Training Between Tokyo and Fukuoka — Demonstration Utilizing IOWN APN
This exhibit will present the results of a proof-of-concept project leveraging IOWN APN, NTT’s next-generation optical networking infrastructure, to remotely connect GPUs and storage resources between Tokyo and Fukuoka.
Conducted jointly by NTT East, NTT West, QTnet, and GMO Internet, the project demonstrates the potential for a new AI infrastructure architecture that transcends the geographical constraints of traditional data centers. Visitors will be able to review measured performance data from the remote environment and compare it directly with results obtained in a local deployment.

【About JANOG58】

JANOG (JApan Network Operators' Group) is a Japanese community of network engineers dedicated to discussion and information sharing regarding Internet technologies and operations.
The theme of the 58th JANOG Meeting, “Technology Maturity and Passing Knowledge to the Next Generation,” focuses on discussions rooted in real-world operations, covering topics ranging from the latest technological developments to practical operational expertise.

【Event Overview】

Item
Details
Event NameJANOG58 Meeting in Matsuyama
DatesJuly 15–17, 2026
VenueEhime Prefectural Culture Hall (2-5-1 Dogomachi, Matsuyama, Ehime)
ThemeTechnology Maturity and Passing Knowledge to the Next Generation
Official Websitehttps://www.janog.gr.jp/meeting/janog58/

【Future Outlook】

Guided by its group slogan, “Internet for Everyone,” the GMO Internet Group is committed to providing one of Japan’s most advanced GPU cloud services in the AI infrastructure domain.
Going forward, the Group will continue to contribute to the growth of Japan’s AI industry through the early adoption of next-generation GPU technologies, the ongoing enhancement of AI-optimized cloud infrastructure—including networking and storage—and active engagement with and support for the broader technology community. By continuously advancing its AI computing platform, GMO Internet Group aims to empower innovation and accelerate AI development across Japan.

【About GMO GPU Cloud】（URL：https://gpucloud.gmo/）

GMO GPU Cloud is equipped with NVIDIA Hopper GPUs and features Japan’s first implementation of the high-speed NVIDIA Spectrum-X networking platform together with high-performance storage. In December 2025, GMO GPU Cloud launched a cloud service powered by the NVIDIA HGX B300, featuring NVIDIA’s next-generation Blackwell Ultra GPUs （※3）, providing a high-performance environment optimized for cutting-edge AI workloads.
In the TOP500 ranking of the world’s fastest supercomputers announced in November 2024（※4）, GMO GPU Cloud ranked 37th globally and 6th in Japan, making it one of the fastest commercial cloud computing platforms in the country. Furthermore, in ClusterMAX™ 2.0 （※5）, an international GPU cloud evaluation report published by U.S.-based SemiAnalysis covering more than 200 GPU cloud providers worldwide, GMO GPU Cloud became the first Japanese GPU cloud provider to receive a “Silver” rating. This recognition demonstrates that GMO GPU Cloud delivers one of the highest levels of performance and reliability among AI computing infrastructures in Japan and has earned international recognition for its capabilities.

（※3）GMO GPU Cloud Launches NVIDIA HGX B300 Cloud Service at One of the Fastest Deployment Speeds in Japan
https://internet.gmo/news/article/122/
（※4）GMO GPU Cloud Ranked 37th in the TOP500 Global Supercomputer Ranking (as of November 2024)
https://internet.gmo/news/article/26/
（※5）GMO GPU Cloud Receives “Silver” Rating in the ClusterMAX™ 2.0 International GPU Cloud Evaluation Report
https://internet.gmo/news/article/110/

■For previous GMO GPU Cloud press releases, please visit 
https://internet.gmo/news/article/163/ 

【About GMO Internet, Inc.】

GMO Internet, Inc. is a comprehensive Internet company engaged in Internet infrastructure businesses such as domain registration, cloud and hosting services, and Internet connectivity, as well as Internet advertising and media businesses.
Guided by its corporate message, “Internet for Everyone,” GMO Internet strives to support society through safe and secure Internet infrastructure while creating new value through AI-driven innovation. The company is committed to delivering both smiles and inspiration to all stakeholders.

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