IoT applications and challenges in smart cities and services

Abstract Internet of Things (IoT) is a revolutionary and novel platform where smart network connects to the large number electronic devices via internet through available communication systems for reliable real time connectivity, sensing thus acquiring data from sensors, computing actuating devices. A review current status IoT features, architecture, infrastructure applications presented here. Number challenges in development cities are covered about this innovative technological along with protocols characteristics applications. aided city services, health applications, transport grid improvements also discussed. Many issues related security, communication, system architecture future directions technology elaborated detail.