In 2020—the year the COVID-19 pandemic raged—the world’s networks experienced a tremendous increase in traffic as locked-down users spent unprecedented amounts of time at home, living, working, and entertaining themselves. Where there had once been regular peaks and valleys of traffic, there was now a constant barrage. Even in 2021, the trend shows no sign of slowing down. Network traffic has doubled and trebled, and network service providers (NSPs) have faced the herculean task of ensuring that their infrastructures are up to the challenge. Against stacked odds, they’ve been successful!