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A. Figure, Machine à états pour le système de reconfiguration qui préserve un contrat de QoS. Dès la conception, le système débute dans un état de contrat-accompli. Les changements de contexte déclenchent les transitions (c'est-à-dire

. De-transition, en identifiant l'état cible à atteindre dans la situation du nouveau contexte, avec le prédicat de niveau de QoS correspondant et en garantissant l'ensemble de règles de reconfiguration. Cette fonction réalise un transition d'état, qui reconfigure la structure de l'application gérée