Estimating function points of development project in IoT systems case study

Abstract

Function point analysis (FPA) is a commonly used approach for measuring software size and evaluating software functionality from the end user’s perspective, usually based on a requirements specification. This paper explores a methodology for estimating function points in development projects using a structured model with the data flow diagram based on the Internet of Things (IoT) system specifications. The motivation for this research stems from the increasing development of IoT systems that require quantification of their size and effort. However, IoT systems pose a particular challenge as they contain hardware components, distinguishing them from traditional software solutions. To validate the methodology, a case study was conducted on the IoT infrastructure of a hydroponic farm in the Philippines to demonstrate the applicability and effectiveness of the approach for IoT systems.