Comparison Between CoAP and MQTT in Smart Healthcare and Some Threats

Smart healthcare present the most important loT applications. The Internet of Things will revolutionize our life's mode including the healthcare system. This paper will show how important is the loT in healthcare and provide a summary of some smart healthcare systems by enumerating the strengths and the weaknesses for each one in addition to an overview of the most applications protocols used in our context: CoAP and MQTT and which one should be chosen. Finally, we detail some threats against smart healthcare to highlight the importance of the security to be developed in the context of healthcare because an attack can lead to a loss of life's patient.