Month: April 2026

#9: A major leap forward

Another important technological milestone was the leasing of our own dark fiber, but above all the operation of our own DWDM systems on the routes. Only then did true scalability, maximum control, and independent network expansion become possible. Ulrich, Head of Network and IT Operations, looks back on the year 2015: โ€œ๐˜›๐˜ฉ๐˜ฆ ๐˜ง๐˜ช๐˜ณ๐˜ด๐˜ต ๐˜ณ๐˜ฐ๐˜ถ๐˜ต๐˜ฆ ๐˜ธ๐˜ข๐˜ด […]

20 Years Core-Backbone

More power on the DWDM Frankfurt – Amsterdam route

New Nokia hardware has arrived, been successfully tested, and has already been put into action by our network team The upgrade on the FRA-AMS route is now live, built on the Nokia GX Series. Using CHM7 line cards that support 800G wavelengths and deliver up to 1.2 Tbit/s per carrier, the upgrade enables a total […]

News

#8: Control and structure behind the scenes

There was a turning point in the 20-year history of Core-Backbone GmbH that changed a great deal. As company founder Daniel recalls: “๐˜›๐˜ฉ๐˜ฆ ๐˜ฎ๐˜ฐ๐˜ฎ๐˜ฆ๐˜ฏ๐˜ต ๐˜Š๐˜ฐ๐˜ณ๐˜ฆ-๐˜‰๐˜ข๐˜ค๐˜ฌ๐˜ฃ๐˜ฐ๐˜ฏ๐˜ฆ ๐˜ด๐˜ธ๐˜ช๐˜ต๐˜ค๐˜ฉ๐˜ฆ๐˜ฅ ๐˜ง๐˜ณ๐˜ฐ๐˜ฎ ๐˜ช๐˜ต๐˜ด ๐˜ช๐˜ฏ๐˜ช๐˜ต๐˜ช๐˜ข๐˜ญ ๐˜ต๐˜ข๐˜น ๐˜ง๐˜ช๐˜ณ๐˜ฎ ๐˜ต๐˜ฐ ๐˜ต๐˜ฉ๐˜ฆ ๐˜ฐ๐˜ฏ๐˜ฆ ๐˜ธ๐˜ฆ ๐˜ฉ๐˜ข๐˜ท๐˜ฆ ๐˜ฏ๐˜ฐ๐˜ธ. ๐˜›๐˜ฉ๐˜ฆ ๐˜ง๐˜ช๐˜ณ๐˜ด๐˜ต ๐˜ต๐˜ข๐˜น ๐˜ฐ๐˜ง๐˜ง๐˜ช๐˜ค๐˜ฆ ๐˜ฉ๐˜ฆ๐˜ญ๐˜ฑ๐˜ฆ๐˜ฅ ๐˜ฎ๐˜ฆ ๐˜ด๐˜ฉ๐˜ข๐˜ณ๐˜ฑ๐˜ฆ๐˜ฏ ๐˜ฎ๐˜บ ๐˜ข๐˜ธ๐˜ข๐˜ณ๐˜ฆ๐˜ฏ๐˜ฆ๐˜ด๐˜ด ๐˜ฐ๐˜ง ๐˜ต๐˜ฉ๐˜ฆ ๐˜ค๐˜ณ๐˜ช๐˜ต๐˜ช๐˜ค๐˜ข๐˜ญ ๐˜ช๐˜ฎ๐˜ฑ๐˜ฐ๐˜ณ๐˜ต๐˜ข๐˜ฏ๐˜ค๐˜ฆ ๐˜ฐ๐˜ง ๐˜ต๐˜ข๐˜น ๐˜ญ๐˜ข๐˜ธ ๐˜ง๐˜ฐ๐˜ณ ๐˜ข […]

20 Years Core-Backbone

#7: The first expansions: Frankfurt and Munich

โ€œ๐˜๐˜ฏ ๐˜ต๐˜ฉ๐˜ฆ ๐˜ฃ๐˜ฆ๐˜จ๐˜ช๐˜ฏ๐˜ฏ๐˜ช๐˜ฏ๐˜จ, ๐˜ต๐˜ฉ๐˜ฆ๐˜ณ๐˜ฆ ๐˜ธ๐˜ข๐˜ด ๐˜ฐ๐˜ฏ๐˜ญ๐˜บ ๐˜ต๐˜ฉ๐˜ฆ ๐˜ฏ๐˜ฆ๐˜ต๐˜ธ๐˜ฐ๐˜ณ๐˜ฌ ๐˜ช๐˜ฏ ๐˜•๐˜ถ๐˜ณ๐˜ฆ๐˜ฎ๐˜ฃ๐˜ฆ๐˜ณ๐˜จ. ๐˜๐˜ฏ ๐˜ต๐˜ฉ๐˜ฆ ๐˜ฆ๐˜ข๐˜ณ๐˜ญ๐˜บ ๐˜ด๐˜ต๐˜ข๐˜จ๐˜ฆ๐˜ด, ๐˜ช๐˜ต ๐˜ธ๐˜ข๐˜ด ๐˜ฆ๐˜น๐˜ฑ๐˜ข๐˜ฏ๐˜ฅ๐˜ฆ๐˜ฅ ๐˜ต๐˜ฐ ๐˜๐˜ณ๐˜ข๐˜ฏ๐˜ฌ๐˜ง๐˜ถ๐˜ณ๐˜ต ๐˜ข๐˜ฏ๐˜ฅ ๐˜”๐˜ถ๐˜ฏ๐˜ช๐˜ค๐˜ฉ.โ€ says Ulrich Kรถhler, Head of Network and IT Operations. With each new location, routing complexity, redundancy requirements, and the need for clean BGP policies grew.What began as a local network gradually evolved into a […]

20 Years Core-Backbone

#6: When renowned customers come knocking

According to CEO and founder Daniel, there wasnโ€™t really a single moment when it became clear that โ€œthings were getting serious.โ€ But when the first major clients started reaching out, it became clear what expectations were on the table. Enthusiasm turned into responsibility: It was no longer just about a passion for technology, but suddenly […]

20 Years Core-Backbone