HAL Id: inria-00394916
https://hal.inria.fr/inria-00394916
Submitted on 12 Jun 2009
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AeDEn: un cadre général pour une distribution adaptative et dynamique des applications en
environnements mobiles
Frédéric Le Mouël, Françoise André
To cite this version:
Frédéric Le Mouël, Françoise André. AeDEn: un cadre général pour une distribution adaptative et dy- namique des applications en environnements mobiles. Proceedings of the 3rd International Conference on New Technologies in Distributed Systems (NOTERE’2000), Nov 2000, Paris, France. pp.171-182.
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C(i,j) : i composant de l’application jème
Service de gestion de l’environnement Service de distribution
Service de détection et notification de l’état de l’environnement
Politique de gestion Politique de placement Politique d’élection
Indice de charge
et notification de variations Politique de détection
C(i,j) C(i’,j’) C(i’’,j’’)
Interface de l’application
Utilisateur (1)
(2)
(4) (5)
(8,11)
Ressources & Services (9)
(3,7,12)
(10)
(13)
Application
AeDEn MiddlewareSystème & Réseau (6)
Terminal portable
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Changement dans l’environnement
Instant t+1 Instant t
Service de gestion de l’environnement Service de gestion de l’environnement
Politique de gestion de l’état de l’environnement : variante A
Politique de gestion de l’état de l’environnement : variante B
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contrôle fonctionnalité
Adaptation Strategy Controller
Implementation Inte
rac tion
Notifications de changements de conditions d’exécution Communication
fonctionnelle
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Niveau applicatif
Politique de placement
Service de gestion
Service de détection Filtrage
Décision
Politique d’élection Pas de filtrage
Filtrage par nom
Filtrage par date Interaction
Controller Adaptation
Strategy
Centralisée Répartie (n stations)
Répartie (voisins)
Adaptation
Strategy Controller
Interaction
Strategy
Adaptation Controller
Interaction
Politique d’élection Décision
Filtrage + Décision Politique d’élection
de l’environnement
et notification
Implementationpossibles Implementationcourante
... Implementationcourante
Implementationpossibles ... Implementationpossibles Implementationcourante
...
Notification de changement (communication non−fonctionnelle) Demande de service (communication fonctionnelle)
Election de C1,...,Cn
Notification de changement Notification de changement Filtrage de C1,...,Cn Résultat filtrage : C’1,...,C’n
Décision C’1,...,C’n Résultat décision : C’’1,...,C’’n
Notification de changement
Informations sur l’environnement Placement de C’’1,...,C’’n
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t = 20
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0 5 10 15 20 25 30
Bandwidth (Kbytes/s)
Time (s)
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Placement
Dynamique
Autonome Coopératif
Statique
Filtrée Non−Filtrée
Répartie Répartie Partielle Apériodique
Indirecte Directe
Périodique
Totale
Centralisée
Centralisée
Non−adaptatif Semi−adaptatif Adaptatif Migration
Placement initial Placement initial & Migration
Politique d’information
Politique d’élection
Politique de placement
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