Report on the third workshop on hot topics in software upgrades (HotSWUp'11)
ACM SIGOPS Operating Systems Review
Learning from the future of component repositories
Proceedings of the 15th ACM SIGSOFT symposium on Component Based Software Engineering
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Upgrades in component based systems can disrupt other components. Being able to predict the possible consequence of an upgrade just by analysing inter-component dependencies can avoid errors and downtime. In this paper we precisely identify in a repository the components p whose upgrades force a large set of others components to be upgraded. We are also able to discriminate whether all the future versions of p have the same impact, or whether there are different classes of future versions that have different impacts. We perform our analysis on Debian, one of the largest FOSS distributions.