Computer Science – Other Computer Science
Scientific paper
2011-08-06
Lachhman Das Dhomeja, Yasir Arfat Malkani, Azhar Ali Shah and Khalil Khoumbati, "System Support For Managing Invalid Bindings"
Computer Science
Other Computer Science
Scientific paper
10.5121/iju.2011.2303
Context-aware adaptation is a central aspect of pervasive computing applications, enabling them to adapt and perform tasks based on contextual information. One of the aspects of context-aware adaptation is reconfiguration in which bindings are created between application component and remote services in order to realize new behaviour in response to contextual information. Various research efforts provide reconfiguration support and allow the development of adaptive context-aware applications from high-level specifications, but don't consider failure conditions that might arise during execution of such applications, making bindings between application and remote services invalid. To this end, we propose and implement our design approach to reconfiguration to manage invalid bindings. The development and modification of adaptive context-aware applications is a complex task, and an issue of an invalidity of bindings further complicates development efforts. To reduce the development efforts, our approach provides an application-transparent solution where the issue of the invalidity of bindings is handled by our system, Policy-Based Contextual Reconfiguration and Adaptation (PCRA), not by an application developer. In this paper, we present and describe our approach to managing invalid bindings and compare it with other approaches to this problem. We also provide performance evaluation of our approach.
Arfat Yasir
Das Lachhman
Khoumbati Khalil
Shah Azhar
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