The Developer Journal Issue 2 | Page 35

Finally, there’s what Van der Bergh calls ‘mission- critical services’. These refer to any situation that involves life or death, and could include remotely driven vehicles, remote medical facilities, industrial automation, and suchlike. It’s the type of high-speed, low-latency connection that would enable a medical surgeon to operate, in real time and via a surgical robot, on a patient who’s on the other side of the planet. Those trials achieved download speeds of more than 20Gbit/second, with blink-of-an-eye latency (network round-trip time) of just 5 milliseconds – the highest speeds ever achieved on a mobile network in Africa, and significantly faster than the fastest connections available to South African consumers over fixed fibre- optic lines. It all sounds very futuristic, but that future is already here. MTN recently partnered with equipment vendor Ericsson to conduct 5G trials in Africa, while rival operator Vodacom has run similar trials with Nokia – both with a view