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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

8jʗBDMP=]9Ž°¸¯³b¬5¸F³k·'°5¬ ´»øŽ¬}­

(6)

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(7)

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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(8)

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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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5ms

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(10)

125 130 135 140 145 150 155 160 165

0 5 10 15 20 25 30

Bandwidth (Kbytes/s)

Time (s)

"Bandwidth_Graph.data"

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(11)

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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