Web Cloud Communication Control

In Chaps. 2 and 3 , we have described the Things-side communication in the IoT system that realizes the next-generation energy service control for VRF air-conditioners. The interface to the Things side, i.e., the facility side, is called the edge and is connected to the cloud on the Internet side and to the VRF air-conditioner facility for buildings on the Things side via a common communication protocol.