As video becomes a basic service, telecom carriers must redefine their networks

The video business is growing faster than anyone could have imagined. In 2016, the number of IPTV users in China doubled to 110 million. And in more than three quarters of China's provinces they have the option of watching IPTV in 4K HD. Last year both YouTube and Facebook launched virtual reality (VR) services. When the Chinese pop star Faye Wong played a concert in December, more than 20 million people streamed it over the Internet or on VR. VR services are now very much part of the online vi