CSC, SURF and Nokia Achieve 1.2 Tbit/s Data Transfer to prepare long haul network for new LUMI-AI supercomputer and AI Factories

Press Launch
CSC, SURF and Nokia Obtain 1.2 Tbit/s Knowledge Switch to organize lengthy haul community for brand spanking new LUMI-AI supercomputer and AI Factories

• Trial helps researchers put together community for prime efficiency computing (HPC) clusters and AI Factories dealing with large datasets and high-intensity workloads.
• Outcomes verify that multi-domain, high-capacity knowledge transfers throughout European analysis networks are each possible and future-ready.

4 June 2025
Espoo, Finland – Nokia, CSC – IT Middle for Science and SURF have efficiently examined a high-capacity, quantum-safe fibre-optic connection exceeding 1.2 terabit per second (Tbit/s) between Amsterdam, the Netherlands and Kajaani, Finland with knowledge traversing over 3500 kilometers. The trial, which was performed in Might 2025, demonstrated the potential of ultra-fast, cross-border connectivity for analysis.

Exams had been carried out alongside a number of routes, together with the longest which spanned 4,700 km by way of Norway at a capability of 1Tbit/s. To place this in perspective, 1 Tbit/s is sufficient to stream 200,000 full HD motion pictures (at 5 Mbit/s every) concurrently. 

These outcomes are significantly promising because the analysis group prepares for supercomputers and AI Factories to return on-line – the place dependable, scalable, and safe connections shall be vital to supporting a number of the world’s largest datasets and most demanding workloads.

The take a look at used a mixture of actual analysis knowledge and artificial knowledge, transferred immediately from disk to disk – from SURF’s facility in Amsterdam to CSC’s knowledge middle in Kajaani, throughout 5 manufacturing analysis and schooling networks: SURF (the Netherlands), NORDUnet (Nordic spine), Sunet (Sweden), SIKT (Norway) and Funet (CSC’s community in Finland).

The community answer was based mostly on Nokia’s IP/MPLS routing and quantum-safe optical networking gear. Nokia’s IP know-how efficiently demonstrated Versatile Ethernet (FlexE) to accommodate “elephant flows”, or very giant steady flows of information, and its high-capacity optical transport know-how confirmed the flexibility to deal with large knowledge units generated by HPCs over lengthy distances.

With the exponential development of analysis knowledge, particularly for coaching large-scale AI fashions, the necessity for resilient, high-throughput and safe connectivity is extra vital than ever. This take a look at confirms that multi-domain, high-capacity knowledge transfers throughout European analysis networks are each possible and future-ready. Testing an operational community connection over lengthy distances gives distinctive insights into knowledge transport and storage of huge knowledge volumes. The checks are essential for bettering the infrastructure for data-intensive analysis. 

“We design analysis networks with future wants in thoughts. CSC’s knowledge middle in Kajaani already hosts the pan-European LUMI supercomputer and with the upcoming LUMI-AI supercomputer and AI Manufacturing unit coming on-line, dependable and scalable knowledge connections all through Europe are important. Despite the fact that the geographical distance is important, it poses no impediment to knowledge site visitors,” mentioned Jani Myyry, Senior Community Specialist, CSC.

“As SURF we’re able to take the following step in aligning the European supercomputers. These efforts provide future views to coach GPT-nl on LUMI or for a researcher to compute on LUMI with very giant datasets hosted at SURF, such because the KNMI (The Royal Netherlands Meteorological Institute) datasets. We’re very grateful to our Nordic companions for his or her assist establishing this trial connection. That is once more an instance of the continued good cooperation between NRENs to create the very best worldwide infrastructure for analysis and schooling,” mentioned Arno Bakker, Senior Community Specialist, SURF.

“Groundbreaking trials like this spotlight how superior networks are foundational to unlocking the complete potential of AI and high-performance computing. This profitable collaboration with CSC and SURF is a testomony to the innovation and management of the scientific group, and to what’s doable after we work collectively. Because the community prepares for the following wave of supercomputers and AI Factories, we’re proud to ship the quantum-safe, high-capacity, and resilient IP/MPLS and optical infrastructure that makes these methods viable. We look ahead to persevering with our help for international analysis and schooling networks, serving to them scale with confidence and drive the following technology of discovery and innovation,” mentioned Mikhail Lenko, Buyer Options Architect, Nokia.

Assets and extra info
Product Web page: 7750 Service Router
Product Web page: 1830 Photonic Service Switch (PSS)
Product Web page: 1830 Photonic Service Interconnect – Modular (PSI-M)
Internet Web page: Quantum-safe networks

About Nokia
At Nokia, we create know-how that helps the world act collectively.

As a B2B know-how innovation chief, we’re pioneering networks that sense, assume and act by leveraging our work throughout cell, fastened and cloud networks. As well as, we create worth with mental property and long-term analysis, led by the award-winning Nokia Bell Labs, which is celebrating 100 years of innovation.

With really open architectures that seamlessly combine into any ecosystem, our high-performance networks create new alternatives for monetization and scale. Service suppliers, enterprises and companions worldwide belief Nokia to ship safe, dependable and sustainable networks right this moment – and work with us to create the digital companies and functions of the long run.

About CSC – IT Middle for Science
CSC is a Finnish middle of experience in ICT that gives world-class companies for analysis, schooling, tradition, public administration and enterprises, to assist them thrive and profit society at giant. csc.fi

About SURF 
SURF is the ICT cooperative of Dutch schooling and analysis establishments. The members, the homeowners of SURF, be a part of forces to develop or procure the very best digital companies, work collectively on complicated innovation points and develop and share information with one another. 
SURF actively collaborates with different European NRENs united in GÉANT and participates in international consortia just like the Superior North Atlantic (ANA) and Asia Pacific Europe Ring (AER).
NetherLight, SURF’s World Alternate Level (GXP) devoted to analysis and schooling knowledge in Amsterdam connects related GXPs and superior high-capacity networks for scientific and academic collaboration. The NetherLight GXP performs a significant and important function within the federation of analysis and schooling networks worldwide, also called the World Analysis and Training Community (GREN). http://www.surf.nl

Media inquiries
Nokia Press Workplace
E-mail: Press.Services@nokia.com

Nokia Media Relations
Sarah Miller
Cellphone: +1 613-720-9716
E-mail: sarah.miller@nokia.com

CSC Media Relations
Sanna Kostiainen
Cellphone: +358 40 0712072
E-mail: viestinta@csc.fi

SURF Spokesperson
Tom Hoven
Cellphone: +31 641 439 398
E-mail: tom.hoven@surf.nl 

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