Dr. Laith Farhan received M.Sc. and PhD degrees in computer networks from Manchester Metropolitan University, in 2010 and 2020 respectively, U.K. He is working as a lecturer at the University of Diyala. He has good experience in computer networks that refer to connected computing devices (such as laptops, desktops, servers, smartphones, and tablets) and an ever-expanding array of IoT devices (such as fire alarm systems, remote monitoring systems, cameras, door locks, doorbells, and various sensors) that communicate with each another. He also works as a reviewer for many journals. His current research interests include the areas of energy optimization in the IoT and WSN networks, network management, smart city design and planning, IoT and WSN routing, machine learning, big data analytics, and wireless communications.