AeDEn: An adaptive framework for dynamic distribution over mobile environments
نویسندگان
چکیده
Mobile computing is a domain in great expansion. Wireless networks (GSM, satellite, etc) and Portable Information Appliances PIAs (laptops, PDAs, cellular phones, etc) are developing very rapidly. More and more mobile users would like to execute their applications with the same quality of service as on their desktop station, whatever their needs in memory and computing power. Using such applications in a mobile environment raises new challenges. Some of these applications are extremely costly in system and network resources, whereas PIAs resources are poor and wireless networks offer a very variable quality of connection. In this paper, we propose an adaptive and dynamic distribution of applications on the local environment to overcome the poorness of available resources on PIAs, and to reduce and regulate variability effects. Moreover, due to the variety of distribution policies, we propose a framework providing adaptive distribution policies. RÉSUMÉ. L’informatique nomade est un secteur en pleine évolution aussi bien au niveau des terminaux mobiles (ordinateurs portables, assistants personnels, téléphones portables, etc), qu’au niveau de l’infrastructure et des protocoles des réseaux de communication sans fil (GSM, satellites, etc). De plus en plus d’utilisateurs mobiles veulent pouvoir utiliser leurs applications de la même manière qu’en environnement fixe et cela, quel que soit le volume de données à traiter et quel que soit le temps de calcul demandé. L’utilisation de telles applications à partir de mobiles posent néanmoins certains problèmes. D’un côté, ces applications sont coûteuses en ressources système et/ou réseau, et de l’autre côté, le mobile offre peu de ressources et celles-ci sont fluctuantes. Nous proposons une approche consistant en une distribution adaptative des applications permettant d’utiliser dynamiquement les ressources de l’environnement pour pallier l’insuffisance des ressources du mobile. De plus, face à la diversité des politiques de distribution existantes, nous proposons un cadre général de conception permettant une utilisation de politiques adaptables en fonction de l’environnement.
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ورودعنوان ژورنال:
- Annales des Télécommunications
دوره 57 شماره
صفحات -
تاریخ انتشار 2002