BT and Huawei have announced a world-record speed of 5.6Tbps for a single fibre connection.
The speed was achieved on a connection running between BT’s Labs at Adastral Park in Ipswich and the BT Tower in London, and is a notable improvement on the 3Tbps record the company set in 2014.
BT used 28 200Gbps sub-channels bundled together to provide a single overall speed, which BT said would allow the downloading of 200 HD films in one second.
The likelihood of such a speed ever being delivered to customers is, of course, remote, but it demonstrates the potential for fibre internet connections to attain speeds vastly superior to those currently on offer.
BT and Huawei also achieved a speed of 2Tbps on part of the operator's live core network running between London and Dublin, covering 727km. This link includes a 133km unrepeatered submarine cable between Dublin and Holyhead.
Howard Watson, chief executive of BT Technology, Service and Operations, explained that this is a particularly notable achievement as it demonstrates that the firm can keep pace with rising data demands.
“The core network is the superhighway of the internet. It’s important that our core networks keep pace with the growth in bandwidth demands driven by take-up of high-speed fibre broadband, HD content, 4G smartphones and tablets and, in the future, 5G services," he said.
“So we’re investing in our core, as well as in high-speed access technology such as fibre broadband, to make sure there is no capacity crunch and to deliver the best possible speeds to customers.”
BT is also currently working on its G.fast technology that can boost copper connections to as high as 300Mbps as the company tries to provide superfast services to as many people as possible.
However, some have criticised the firm for not being ambitious enough. CityFibre CEO Greg Mesch told V3 earlier this year that his firm can become a true competitor to BT Openreach with its pure fibre offering.
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