The book "Internet of Things (IoT): Architecture, Protocols, and Applications" explores the transformative world of the Internet of Things (IoT). From its origins as simple sensor networks to a complex ecosystem integrated with AI and machine learning, this book delves into the foundational concepts of IoT, its layered architecture, and the critical role of communication protocols. While IoT promises immense potential, it also faces significant challenges-security vulnerabilities, data privacy concerns, and the need for interoperability. This text addresses these issues while highlighting the...