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Arelion Upgrades Scandinavian Network to Build AI Superhighway
Arelion today announced major investments in its Scandinavian network to connect hyperscale data centers and serve the region's booming AI markets. Leveraging 1.6 Tb/s Waves and scalable 400G coherent pluggable optics on Ciena's open 6500 Reconfigurable Line System, Arelion is scaling its existing Tier-1 network between Oslo, Stockholm and Copenhagen to support wholesale and enterprise customers' AI and cloud applications. This accelerated network investment enhances diversity and bandwidth for
About this update from Ciena Corporation
[{"type":"text","content":"STOCKHOLM, June 23, 2025 /PRNewswire/ -- Arelion today announced major investments in its Scandinavian network to connect hyperscale data centers and serve the region's booming AI markets. Leveraging 1.6 Tb/s Waves and scalable 400G coherent pluggable optics on Ciena's open 6500 Reconfigurable Line System, Arelion is scaling its existing Tier-1 network between Oslo, Stockholm and Copenhagen to support wholesale and enterprise customers' AI and cloud applications. This accelerated network investment enhances diversity and bandwidth for current customers while allowing Arelion to support new customers quickly and cost-effectively.","length":653,"tagName":"p"},{"type":"image","alt":"","displaySize":"","headline":null,"caption":"","className":"","disableSlideshowImg":false,"size":{"original":{"width":400,"height":223,"url":"https://media.zenfs.com/en/prnewswire.com/9fbe46b9970728c09bd08e9b5ebe0134"},"resized":{"url":"https://s.yimg.com/ny/api/res/1.2/IvQIvjYz32uUc3kUikS6kA--/YXBwaWQ9aGlnaGxhbmRlcjt3PTcwNTtoPTM5MztjZj13ZWJw/https://media.zenfs.com/en/prnewswire.com/9fbe46b9970728c09bd08e9b5ebe0134","width":400,"height":223}},"href":"https://mma.prnewswire.com/media/2714269/Arelion_Scandinavian_network_2025.html","hrefExternal":true,"rel":"nofollow"},{"type":"text","content":"Arelion currently operates multiple terrestrial routes across Scandinavia and provides diverse access via 13 subsea cables connecting the Nordics and Baltics. Through this investment, Arelion is proactively upgrading its network to reach hyperscale data centers and new AI scale campuses by completing cable and duct construction augmenting existing network ducts. Arelion was an early adopter of open optical networking and has established industry milestones through live network field trials, including a 1,069-kilometer IP transmission with Cisco 800G ZR+ coherent optics on its long-haul route between Stockholm, Sweden, and Hamburg, Germany. The global Internet carrier also achieved the world's first live 1.6 Tb/s Wave data transmission with Ciena's Wavelogic 6 Extreme in August 2024.","length":811,"tagName":"p"},{"type":"text","content":""Arelion reinforces its standing as a trailblazer with this substantial investment, allowing it to enhance network capacity and energy efficiency through the power of open optical networking...