Internet of Things, Preliminaries and Foundations

Abstract

This chapter mainly presents a detailed discussion of the IoT technologies and dependent systems with the main objectives of emphasizing the main attributes of IoT systems that might possibly threaten the security of the system. Firstly, the definition and of the IoT system and the detailed description of its architecture are presented along with a taxonomy for dividing its architecture into layers with different complementary roles. Secondly, the concepts of cloud computing, fog computing, and edge computing are discussed and compared in view of IoT systems. Finally, the learned lessons are summarized and pointed out in the last section of this chapter.