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Adaptable Access Strategies Provide a High Usefulness of the Objects in an Open Distributed Environment
Fukuoka, Japan March 29-March 31
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/AINA.2004.128383418th International Conference on Adva ...
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Rohan Samarasinghe, Kyushu Institute of Technology, Japan
Yoshihiro Yasutake, Kyushu Institute of Technology, Japan
Takeshi Kato, Kyushu Institute of Technology, Japan
Takaichi Yoshida, Kyushu Institute of Technology, Japan
New applications are being introduced for different areas such as commercial, education, and medical etc. A significant effort has been made in developing some of these applications considering the adaptability to the dynamically changing network and hosts' environments. In client-server applications, this adaptability is very important to enhance the reliability of the system and maintain the consistency of the objects.
In this paper, we describe a framework that can detect the changes in performance of the execution environment, and provide strategies in order to adapt such changes. Using these access strategies the client objects can access the server objects efficiently in a dynamically changing environment. We do not only consider the dynamic changes of the network characteristics but also consider the end-hosts performances before changing to the optimal strategy. Therefore the client objects can achieve the maximum usefulness of the environment. Here, we introduce three access strategies, namely Client Migration, Direct Access, and Lazy Access to impart an adaptive behavior to the client objects in the distributed environment. Advancing from the conventional static access models we propose algorithms to select the best-suited access strategy for the dynamic environment. Moreover the proposed model is to be implemented to the "Juice" Distributed Object-Oriented environment.
Citation:
Rohan Samarasinghe, Yoshihiro Yasutake, Takeshi Kato, Takaichi Yoshida, "Adaptable Access Strategies Provide a High Usefulness of the Objects in an Open Distributed Environment," aina, vol. 2, pp.413, 18th International Conference on Advanced Information Networking and Applications (AINA'04) Volume 2, 2004
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