Layer 2 - easy encryption on communication networks

February 21st, 2014

Trust in secure data transport was always fragile and now it's gone. Edward Snowden exposures' on common spy practice revealed, what some of us already had a gut feeling about all the way.

Over the last months we all realized, that any means of communication, regardless if voice or data of any kind, are intercepted. In a massive way! It appears that about all secret services were and still are sniffing and taping into

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Monitoring data transport with tap ports

February 14th, 2014

Tap ports on a passive infrastructure are the easy way to monitor a transport network. Implemented as a passive fiber-optical coupler, they usually are fused couplers, designed to take out a small portion (typically 1-10%) of the passing light signals. This tapped-out light can then be used for various intents.

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CUBOs new office in Hamburg

February 6th, 2014

Well, the residents of Hamburg might be the first thing in your mind when you're hungry. Now we've come up with another reason to remember the city. Rather away from food, closer to the needs of telecom ...

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Handling instruction for CUBO's passive multiplexers

February 3rd, 2014

Handling & Mounting Procedure


Please, handle fiber-optical components with extreme care. The fibers shall not be bended with extremely low radii and may not be squeezed. Fibers are very sensitive and may break. Even if the fiber does not break and does not show any visible evidence of damages micro-cracks may be caused by an inappropriate handling (e.g. to small bend radii, fiber was squeezed etc). The micro-cracks may then cause a reduced life time (i.e. fiber breaking) or / and resulted in higher / additional insertion losses. The following shall serve as a guideline outlining the handling and mounting CUBO's fiber-optic multiplexers.

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NSA/GCHQ revelations offer opportunities

January 31st, 2014

Thomas Kremer, Board member for Data Privacy, Legal Affairs and Compliance at Deutsche Telekom is certainly right, claiming Edward Snowden woke us from blue eyed day dreaming. Yet, it feels more like the headache next morning after a party.

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