Development methodologies for IoT-based systems: challenges and research directions

The spread of IoT-based systems presents several potential benefits to society but still has crucial challenges in different research areas. From the software development point of view, an established methodology for IoT-based systems development is still yet to be found despite the considerable research efforts that are being made in the area. This article presents a literature review of the existing methodologies for IoT-based systems development, highlighting their benefits and limitations. The article also describes and analyses the existing critical challenges in finding a methodology addressing the complex nature of IoT-based systems. This analysis leads to present the open research directions in developing IoT-based systems, which are pathways to drive the research efforts towards addressing the key issues in the area with the aim of finding a methodology that is simple for developers but that ensures high-quality IoT-based systems.