Nokia has announced a fiber-to-the-home (FTTH) digital twin and new AI-based tools, which it is pitching at operators as a way to increase network reliability. Fiber remains an encouraging growth opportunity for Nokia, which has lost ground to Ericsson in the RAN game. The term ‘digital twin’ came to the fore in the Industry 4.0 trend, part of the much-hyped Internet of Things (IoT). It describes the way in which a physical device, process, or network can be represented in a virtualized fashion inside software, using data gathered from sensors and related devices. The digital version of the physical thing is then used to better understand the former – with testing done on the latter to better optimize or maintain…