Scrum for safety: an agile methodology for safety-critical software systems

Abstract

In the last years, agile methodologies are gaining substantial momentum, becoming increasingly popular in a broad plethora of industrial contexts. Unfortunately, many obstacles have been met while pursuing adoption in secure and safe systems, where different standards and operational constraints apply. In this paper, we propose a novel agile methodology for the development and innovation of safety-critical systems. In particular, we developed an extension of the well-known Scrum methodology and discussed the complete workflow. We finally validated the applicability of the proposed methodology over a real case study from the railway domain.

A Method to the Specification of Safety Requirements in Agile Contexts

“…The methodology to conduct the SM, as depicted in Figure 5, was based on the guidelines proposed by Petersen et al (2015). The SM was motivated by the increase in the adoption of agile methods/practices in the safety-critical system development, as reported in many studies (Ge et al (2010), Paige et al (2011), McHugh et al (2013, Lukasiewicz and Górski (2016), , Hanssen et al (2018), and Barbareschi et al (2022)). The gaps between the traditional development of these systems, the safety standards recommendations, and agile methods and practices also encourage the need for this SM.…”