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.. Les-moyens-d-'action, 93 4.3.1 Migration de service, p.95

. Dans-ce-chapitre, ´ evaluation qui permet de valider le fonctionnement de l'heuristique, et plus particu-lì erement, la validation de l'´ etape B (section 4.7.1.2) : l'´ evaluation d'une configuration. Il montre que l'heuristique permet de trouver le premier déploiement satisfaisant les critères et plusparticulì erement, la prise en compte de l'application elle-même. Notre définition est la suivante : La qualité de service d'une application est tout d'abord la garantie de sa continuité malgré les défaillances matérielles et réseaux. La qualité de service d'une application doitégalement doitégalement refléter le bon fonctionnement de cettedernì ere par son adéquation avec les spécifications de l'application et les souhaits de l'utilisateur. Enfin, la qualité de service d'une application est fortement influencée par son infrastructure, La structure et la répartition de l'application doit permettre un fonctionnement le plus long possible

. La-méthode-aidé-egalementàegalementà-décrire-le, contextè a savoir : ? Les r` egles de contexte utilisateur ? Les r` egles de contexte d'utilisation. Ces r` egles permettent notamment de mettrè a jour les

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