The first transatlantic optical fibre cable, TAT-8, was completed in December 1988 and had a capacity of 280Mb/s over two pairs of fibres.

A dedicated 1.544Mb/s link between US and CERN, Geneva enabled Tim Berners-Lee to demonstrate the World Wide Web he had invented to interested parties in US.

31 years on and you have 26.4Tb/s over one fibre pair, which is 188 times faster than each fibre pair of TAT-8, or a 13.2% compounded annual growth rate in speed.

For clarification, does Cisco's latest VNI forecast for 2022 take into account the near-broadcast or multicast nature of a significant portion of internet video traffic and adjust the total traffic count downwards accordingly?