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BT has successfully tested a long-distance 800Gbps super-channel on its core fibre network, capable of sending seven high definition DVDs in a single second. Laboratory tests have reached 800Gbps before, but this is the first time its gone long distance, covering the 410km between BTs Adastral Park research centre, near Ipswich in Suffolk, and the BT Tower in London, using equipment from network kit vendor Ciena. The surprising thing is that the test was successful on fibre which was previously not considered good enough to carry 10Gbps. |