Starlink and new satellite services could beat Internet cable breaks

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“Space lasers” on Internet-beaming satellites could reduce the impact of undersea cable breaks significantly.

The ability of SpaceX’s Starlink Internet service to transmit data packets between its fleet of satellites makes it capable of circumventing undersea cable breaks.

This is because their data traffic was not routed through these cables but relayed between satellites to ground stations on the other side of the breaks. The tech has proven so successful that SpaceX president and chief operating officer Gwynne Shotwell recently“We are going to roll out a capability, we call it ‘plug-and-plasers’,” Shotwell said at an industry conference.SpaceX engineer Travis Brashears said that the system was transmitting around 42 million gigabytes of data daily and had a peak throughput of 5.6 terabits-per-second .

To illustrate this, he presented a slide which showed how the laser links could transmit data to a Starlink dish in Antarctica using about seven different paths. Although a ground station being constructed in Mozambique could significantly reduce latency, Starlink users in South Africa currently experience latencies of over 100ms to a ground station in Nigeria.

 

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