A process model for the maintenance of large space systems software

Abstract
The results are given of a study carried out in the framework of the ESF/EPSOM (Eureka Software Factory/European Platform for Software Maintenance) project to analyze the processes of software maintenance followed in the European space industry. First, the authors present a generic process, from which models for usual operational processes can be easily derived. Then, they show how this generic process is to be instantiated, taking as an example a reference organization defined by the European Space Agency. Finally, two variants of this instantiated process are briefly presented, in order to consider emergency and routine situations.

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