“…In addition, it provides local service logic and remote services with high-level APIs for discovering, managing, and communicating with HAN devices. The protocol used for the communication between the HAN devices and the Home Gateway is based on ZigBee, since it is a low-cost, low-power-consumption, two-way, wireless communication standard [30]. ZigBee can be used in different application domains (e.g., home automation, healthcare, energy management, and telecom services) and a set of extensions have been designed for the Energy@Home system [31] and integrated in the version 1.2 of the Home Automation profile specification, ratified by the ZigBee Alliance in the second half of 2013. - Cloud Services : the Home Gateway interacts with a remote Service Platform hosted in the telecommunication operator data centers providing storage and processing capabilities.
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