The Internet of Things is not just about sensors and smart meters. It also includes applications such as connected vehicles, smart traffic management, and remote video monitoring. These applications demand extremely low latency (< 1ms in some cases) to ensure the safety of passengers or to provide real-time high definition video for security surveillance.
Ensuring your network is up to the task of meeting these requirements means continuous, active monitoring of the end-to-end service in real-time. Advances in networking technology, such as virtualization and network slicing, will enable ultra-low latency applications, but will require performance monitoring to become an embedded function of the service itself, rather than a network feature.