Guiding legacy systems for evolution. PmatE: a case study of maintenance and engineering

André Monteiro; Gonçalo Vieira

doi:10.55267/iadt.07.11689

Research Article

Journal of Information Systems Engineering and Management, 2022 - Volume 7 Issue 1, Article No: 11689
https://doi.org/10.55267/iadt.07.11689

Published Online: 31 Jan 2022

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Open Access

How to cite this article

APA 6th edition

In-text citation: (Monteiro & Vieira, 2022)
Reference: Monteiro, A., & Vieira, G. (2022). Guiding legacy systems for evolution. PmatE: a case study of maintenance and engineering. Journal of Information Systems Engineering and Management, 7(1), 11689. https://doi.org/10.55267/iadt.07.11689

Vancouver

In-text citation: (1), (2), (3), etc.
Reference: Monteiro A, Vieira G. Guiding legacy systems for evolution. PmatE: a case study of maintenance and engineering. J INFORM SYSTEMS ENG. 2022;7(1):11689. https://doi.org/10.55267/iadt.07.11689

AMA 10th edition

In-text citation: (1), (2), (3), etc.
Reference: Monteiro A, Vieira G. Guiding legacy systems for evolution. PmatE: a case study of maintenance and engineering. J INFORM SYSTEMS ENG. 2022;7(1), 11689. https://doi.org/10.55267/iadt.07.11689

Chicago

In-text citation: (Monteiro and Vieira, 2022)
Reference: Monteiro, André, and Gonçalo Vieira. "Guiding legacy systems for evolution. PmatE: a case study of maintenance and engineering". Journal of Information Systems Engineering and Management 2022 7 no. 1 (2022): 11689. https://doi.org/10.55267/iadt.07.11689

Harvard

In-text citation: (Monteiro and Vieira, 2022)
Reference: Monteiro, A., and Vieira, G. (2022). Guiding legacy systems for evolution. PmatE: a case study of maintenance and engineering. Journal of Information Systems Engineering and Management, 7(1), 11689. https://doi.org/10.55267/iadt.07.11689

MLA

In-text citation: (Monteiro and Vieira, 2022)
Reference: Monteiro, André et al. "Guiding legacy systems for evolution. PmatE: a case study of maintenance and engineering". Journal of Information Systems Engineering and Management, vol. 7, no. 1, 2022, 11689. https://doi.org/10.55267/iadt.07.11689

ABSTRACT

Even though software change is inevitable, accurate maintenance can extend software lifespan in a subtle way when both budget and time constraints get in the way of software replacement. In the University of Aveiro, the project PmatE – a quiz web platform created to encourage students to like Math – emerged in the early 1990’s and stacked several applications over the decades without major planning, cleaning or upgrade. This resulted in a huge-sized framework that was crucial to be always available and online and had high operational cost, leading to an increasing amount of technical debt. After 3 decades, the project was studied, refactored and refurbished, leading to a stable consistent framework ready for evolution and software spinouts. This work shows how to manage and engineer solutions to maintain a legacy system and evolve it even when tied up to heavy constraints.

KEYWORDS

Software and its engineering Software creation and management Software post-development issues Maintaining software Software evolution

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