Supporting the Evolution of Product Line Architectures with Variability Model Fragments

Evolution is a permanent challenge in product line engineering. Reusable assets such as software components or documents evolve continuously due to new customer requirements or technology changes. This leads to modifications or extensions of the product line's variability models describing the...

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Bibliographic Details
Main Authors: Dhungana, Deepak, Neumayer, Thomas, Grunbacher, Paul, Rabiser, Rick
Format: Conference Proceeding
Language:English
Subjects:
Buildings
Computer architecture
DecisionKing
Edit-Merge-Freeze Paradigm
Evolution
Laboratories
Large-scale systems
Maintenance engineering
Merging
Model Fragments
Product Line Architecture
Software architecture
Software engineering
Software maintenance
Software reusability
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Summary:Evolution is a permanent challenge in product line engineering. Reusable assets such as software components or documents evolve continuously due to new customer requirements or technology changes. This leads to modifications or extensions of the product line's variability models describing the reference architecture. Due to the large size of product lines, single stakeholders or teams can only maintain a small part of a system which poses additional challenges for evolution. This paper presents a tool-supported approach for building and maintaining variability models of large-scale product lines. We structure variability models into multiple model fragments of manageable size that can be created and maintained by individual teams. Model fragments can be merged semi- automatically into a variability model. We illustrate the approach with examples from ongoing industry collaboration.
DOI:10.1109/WICSA.2008.23